| 'A various country' : essays in Mayo history, 1500-1900 | | Monograph or Collective Volume | Foilseacháin Náisiúnta Teo (FNT) | 1987 |
| 'The groans of Ireland' | | Article in Journal | | 1954 |
| 'The parliamentary traffic of this country' | Malcomson, A. P. W. (Anthony) | Article in Book | | 1979 |
| 'What did I die of?': the deaths of Parnell, Wilde... and other literary pathologies | Lyons, J. B. (John Benignus) | Monograph or Collective Volume | | 1991 |
| A Belfast chronicle, 1789 : a compilation from the "Belfast News Letter" | | Monograph or Collective Volume | Friar's Bush | 1989 |
| A bhfuil aguinn dár chum Tadhg Dall Ó Huiginn. The bardic poems of Tadhg Dall Ó Huiginn (1550-1591), 1 : introduction and texts; 2 : translation and notes. 2 pts. | | Monograph or Collective Volume | Irish Texts Society | 1922 |
| A biographical index of British and Irish botanists : revised and completed by A.B. Rendle. | | Monograph or Collective Volume | | 1931 |
| A calendar of the register of Archbishop Fleming | | Article in Journal | | 1912 |
| A calendar of the register of Archbishop Sweteman | | Article in Journal | | 1911 |
| A catalogue of the Bradshaw collection of Irish books in the University of Cambridge. 3 vols. | | Monograph or Collective Volume | | 1916 |
| A contemporary account of the martyrdom of Conor Devany, O.F.M., bishop of Down and Connor, and Patrick O'Loughran | | Article in Journal | | 1984 |
| A contemporary history of affairs in Ireland from A.D. 1641 to 1652. 3 vols. | | Monograph or Collective Volume | | 1879 |
| A courtly poem for Sir Richard Cox | | Article in Journal | | 1945 |
| A dialogue in Hybernian stile between A. and B., and Irish eloquence, by Jonathan Swift | | Monograph or Collective Volume | | 1977 |
| A distribution of forfeited land in the county of Cork, returned by the Downe Survey | | Article in Journal | | 1936 |
| A Frenchman's Walk through Ireland 1796-7; translated from the French of De Latocnaye | | Monograph or Collective Volume | Stevenson & Orr|Hodges Figgis | 1917 |
| A glossary, with some pieces of verses, of the old dialect of the English colony in the baronies of Forth and Bargy, County of Wexford, Ireland | | Monograph or Collective Volume | | 1867 |
| A great archbishop of Dublin, William King, D.D., 1650-1729 : his autobiography, family and a selection from his correspondence | | Monograph or Collective Volume | | 1906 |
| A Jacobite narrative of the war in Ireland, 1688-1691 | | Monograph or Collective Volume | | 1892 |
| A landgable roll of Cork city | | Article in Journal | | 1971 |
| A legal deed in Irish [1586] | | Article in Journal | | 1987 |
| A list of books on the postal history, postmarks and adhesive postage and revenue stamps of Great Britain. | | Monograph or Collective Volume | | 1971 |
| A list of early burials in the French church, Waterford | | Article in Journal | | 1973 |
| A mediaeval handbook of gynæcology and midwifery preceded by a section on the grades and on the treatment of wounds and some good counsel to the physician himself, finishing with a discussion on the treatment of scabies | | Monograph or Collective Volume | | 1934 |
| A medieval foundation in the borough of Drogheda in Oirghialla | | Article in Journal | | 1957 |
| A minister's money account for Clonmel, 1703 | | Article in Journal | | 1987 |
| A New History of Ireland, 2 : Medieval Ireland 1169-1534 | | Monograph or Collective Volume | Clarendon Press | 1987 |
| A new history of Ireland, 3 : Early Modern Ireland, 1534-1691 | | Monograph or Collective Volume | Clarendon Press | 1976 |
| A New History of Ireland, 4 : Eighteenth-Century Ireland | | Monograph or Collective Volume | Clarendon Press | 1986 |
| A new history of Ireland, vol. 5. Ireland under the Union, i : 1801-1870 | | Monograph or Collective Volume | Clarendon Press | 1989 |
| A plan for a Dutch invasion of Scotland, 1797 | | Article in Journal | | 1974 |
| A poem composed for Cathal Croibhdhearg Ó Conchubhair | | Article in Journal | | 1983 |
| A poem on the Airgialla | | Article in Journal | | 1952 |
| A poem on the downfall of the Gaoidhil | | Article in Journal | | 1969 |
| A Quantock family : the Stawells of Cothelstone and their descendants, the Barons Stawell of Somerton, and the Stawells of Devonshire and the county Cork | | Monograph or Collective Volume | | 1910 |
| A religious poem ascribed to Muiredhach Ó Dálaigh | | Article in Journal | | 1979 |
| A repertory of the inrolments on the patent rolls of chancery, in Ireland; commencing with the reign of James I. 1 : pts. 1 & 2 | | Monograph or Collective Volume | | 1852 |
| A short-title calendar of Hibernia, 5 : 1894-9, and of Irish material in Saxonia S. Crucis, 3 : 1890-1900, in the General Archives of the Friars Minor, Rome | Conlan, Patrick, 1940- | Article in Journal | | 1985 |
| A short-title calendar of the papers of Archbishop Thomas William Croke in Archbishop's House, Thurles. Pt. 1, 1841-85; pt. 2, 1886-1890; pt. 3, 1891-1902 | | Article in Journal | | 1974 |
| A short-title catalogue of the papers of Archbishop Michael Slattery in Archbishop's House, Thurles : part 2, 1840-1845 | | Article in Journal | | 1990 |
| A statute of the fortieth year of King Edward III, enacted in a parliament held in Kilkenny, A.D. 1367, before Lionel, duke of Clarence, lord lieutenant of Ireland | | Article in Book | | 1843 |
| A view of the Irish language | | Monograph or Collective Volume | The Stationery Office | 1969 |
| A worthy foundation : the cathedral church of St Canice, Kilkenny, 1285-1985. Essays by Siobhan Barry, John Bradley, Adrian Empey | | Monograph or Collective Volume | Dolmen Press | 1985 |
| Abercorn papers (as relating to Ireland, 1736-1816) | | Monograph or Collective Volume | | 1972 |
| Abstracts of 17th-century Irish wills in the Prerogative Court of Canterbury | | Article in Journal | | 1948 |
| Accounts of sums realised by sale of chattles of some suppressed Irish monasteries | | Article in Journal | | 1922 |
| Acta Sacrae Congregationis de Propaganda Fide, 1622-50 | | Article in Journal | | 1959 |
| Acts of Archbishop Colton in his metropolitan visitation of the diocese of Derry, A.D. MCCCXCVII, with a rental of the see estates at that time | | Monograph or Collective Volume | | 1850 |
| Additional Sidney state papers, 1566-70 | | Article in Journal | | 1970 |
| Adomnan's 'Life of Columba'. | | Monograph or Collective Volume | | 1991 |
| Advice to a Prince | | Article in Journal | | 1921 |
| Against the tide : a calendar of the papers of J.B. Armour, Irish Presbyterian minister and Home Ruler | | Monograph or Collective Volume | | 1985 |
| Agallamh na Seanórach. 3 vols. | | Monograph or Collective Volume | | 1942 |
| Aithdioghluim dána; a miscellany of Irish bardic poetry, Historical & Religious, including the Historical Poems of the Duanaire in the Yellow Book of Lecan. 1 : Introduction and text; 2 : Translation, Notes, Vocabulary, etc. 2 vols. | | Monograph or Collective Volume | Educational Company of Ireland | 1939 |
| Alexandri III Romani Pontificis Opera omnia, id est epistolae et privilegia ordine chronologico digesta : accedunt variorum ad ipsum epistola | | Monograph or Collective Volume | | 1855 |
| Alexis de Tocqueville's journey in Ireland : July-August 1835 | | Monograph or Collective Volume | | 1990 |
| America and Ireland, 1776-1976 : the American identity and the Irish connection | | Monograph or Collective Volume | Greenwood Press | 1980 |
| An account of a debate in the Irish parliament, 1787 | | Article in Journal | | 1986 |
| An ancient record relating to the families into which were married the co-heiresses of Thomas fitz Anthony, seneschal of Leinster | | Article in Journal | | 1864 |
| An early history of Fermanagh | | Article in Journal | | 1962 |
| An eighteenth-century account of Keating and his Foras feasa ar Éirinn | | Article in Journal | | 1961 |
| An eighteenth-century corn census of Co. Louth | | Article in Journal | | 1948 |
| An eighteenth-century Irish gentleman's diary | | Article in Journal | | 1953 |
| An elegy on Art Óg Ó Neill | | Article in Journal | | 1975 |
| An elegy on Donnchadh Ó Briain, fourth earl of Thomond | | Article in Journal | | 1984 |
| An introduction to the Abercorn letters (as relating to Ireland 1736-1816) | | Monograph or Collective Volume | Strule Press | 1972 |
| An Irish account of Bruce's invasion, entitled "The battle of Fochart of St. Bridget" | | Article in Journal | | 1905 |
| An Irish astronomical tract, based on part on a mediaeval Latin version of a work by Messahalah | | Monograph or Collective Volume | | 1914 |
| An Irish Corpus Astronomiae, being Manus O'Donnell's seventeenth-century version of the Lunario of Geronymo Cortès | Cortés, Jerónimo, d. 1615? | Monograph or Collective Volume | | 1915 |
| An Irish countryman in the British navy, 1809-15 : the memoirs of Henry Walsh, 1 : Introduction, 2 : Text : sections i-ii, June 1809-December 1812 | | Article in Journal | | 1961 |
| An Irish funeral oration over Owen O'Neill of the house of Clanaboy | | Article in Journal | | 1897 |
| An Irish version of Innocent III's De contemptu mundi | | Monograph or Collective Volume | | 1931 |
| An Leabhar Muimhneach maraon le suim aguisini | | Monograph or Collective Volume | Foillseacháin Rialtais | 1940 |
| An léann eaglasta in Éirinn 1000-1200 | | Monograph or Collective Volume | | 1982 |
| An Old-Irish metrical rule | | Article in Journal | | 1904 |
| An Old-Irish tract on the privileges and responsibilities of the poets | | Article in Journal | | 1940 |
| An unpublished letter of St Oliver Plunkett | | Article in Journal | | 1975 |
| Ancient charters in the Liber Albus Ossoriensis | | Article in Journal | | 1908 |
| Annales of Innisfallen : Annales Inisfalenses (from the creation to 1321) | | Monograph or Collective Volume | | 1951 |
| Annals of Ireland : Three fragments, copied from ancient sources, edited with a translation and notes from a MS preserved in the Burgundian Library at Brussels | | Monograph or Collective Volume | | 1860 |
| Annals of Ireland, A.D. 1162-1370 | | Article in Book | | 1965 |
| Annesley collection, Co. Down. | | Article in Journal | | 1946 |
| Annual bibliography of British and Irish history : publications for 1982 | | Monograph or Collective Volume | Harvester Press for the Royal Historical Society | 1983 |
| Annual bibliography of British and Irish history : Publications of 1977 | | Monograph or Collective Volume | | 1978 |
| Annual Bibliography of British and Irish History : publications of 1979 | | Monograph or Collective Volume | | 1980 |
| Annual bibliography of British and Irish History : publications of 1980 | | Monograph or Collective Volume | Harvester Press for the Royal Historical Society | 1981 |
| Annual bibliography of British and Irish history : publications of 1984 | | Monograph or Collective Volume | | 1985 |
| Annual bibliography of British and Irish history : publications of 1985 | | Monograph or Collective Volume | | 1986 |
| Annual bibliography of British and Irish history : publications of 1986 | | Monograph or Collective Volume | | 1987 |
| Annual Bibliography of British and Irish history : publications of 1988 | | Monograph or Collective Volume | | 1989 |
| Annual Bibliography of British and Irish history : publications of 1989 | | Monograph or Collective Volume | | 1990 |
| Annual Bibliography of British and Irish history : publications of 1990 | | Monograph or Collective Volume | | 1991 |
| Annual Bibliography of British and Irish History, publications of 1983 | | Monograph or Collective Volume | | 1984 |
| Annual Bibliography of British and Irish History, publications of 1985 | | Monograph or Collective Volume | | 1986 |
| Annual list and brief review of articles on agrarian history, 1988 | | Article in Journal | | 1990 |
| Annual list and brief review of articles on agrarian history, 1989 | | Article in Journal | | 1991 |
| Annual list and brief review of articles on agrarian history, 1990 | | Article in Journal | | 1992 |
| Aosdána beginnings | Duncan, Mark | Monograph or Collective Volume | Arts Council of Ireland | 2023 |
| Archaeological excavations on the Cork-Dublin gas pipeline (1981-82) | | Monograph or Collective Volume | | 1987 |
| Archaeological inventory of County Meath | | Monograph or Collective Volume | The Stationery Office | 1987 |
| Archaeological inventory of County Monaghan | | Monograph or Collective Volume | | 1987 |
| Archbishop Butler's visitation book | | Article in Journal | | 1976 |
| Archbishop Carpenter's epistolae 1770-80 | | Article in Journal | | 1956 |
| Archbishop Troy's correspondence with Dublin Castle | | Article in Journal | | 1944 |
| Archives of the municipal corporation of Waterford | | Article in Book | | 1885 |
| Armed forces of the Irish chiefs in the early 16th century | | Article in Journal | | 1932 |
| Armed forces of the Irish chiefs in the early sixteenth century (list from B.M. Cott. MS, Dom. A, xviii) | | Article in Journal | | 1932 |
| Aspects of Irish studies | | Monograph or Collective Volume | | 1990 |
| Australia and Ireland 1788-1988 : bicentenary essays | | Monograph or Collective Volume | | 1986 |
| Autobiography of Sir Richard Cox | | Monograph or Collective Volume | | 1860 |
| Balleer School copy book of letters, 1827-29 | | Monograph or Collective Volume | | 1977 |
| Barnard Letters, 1778-1824 | | Monograph or Collective Volume | | 1928 |
| Beranger's views of Ireland | | Monograph or Collective Volume | | 1991 |
| Berkeley and Percival : the correspondence of George Berkeley, afterwards Bishop of Cloyne and Sir John Percival, afterwards Earl of Egmont | | Monograph or Collective Volume | | 1914 |
| Berkeley's commonplace book. Edited with introduction, notes and index | | Monograph or Collective Volume | | 1930 |
| Betha Molaga | | Article in Book | | 1931 |
| Bethada náem nÉrenn, 1 : Introduction, Texts, Glossary; 2 : Translations, Notes, Indices | | Monograph or Collective Volume | Clarendon | 1922 |
| Bethu Phatraic. The Tripartite life of Patrick, 1, Text and Sources | | Monograph or Collective Volume | Hodges Figgis | 1939 |
| Bibliographie historischer zeitschriften, 1939-51, 2 : Lieferung : Grossbritannien, Irland, Niederlande, Belgien, Luxemburg, Frankreich, Portugal, Spanien, Italien | | Monograph or Collective Volume | | 1953 |
| Bibliography for 1971 : Anglo-Saxon studies | | Article in Journal | | 1972 |
| Bibliography for 1972 ... 1973 : Anglo-Saxon studies | | Article in Journal | | 1973 |
| Bicentenary essays : Bank of Ireland 1783-1983 | | Monograph or Collective Volume | | 1983 |
| Bishop Caulfield's 'Relatio status' 1796 | | Article in Journal | | 1966 |
| Bishop Dopping's visitation book, 1682-85 | | Article in Journal | | 1975 |
| Bishop Pococke's tour in Ireland in 1752 | | Monograph or Collective Volume | | 1891 |
| Blake family records : a chronological catalogue with notes, appendices, and the genealogies of many branches of the Blake family, 1st ser. : 1300-1600; 2nd ser., Together with a brief account of the fourteen ancient families or tribes of the town of Galway, and a description of the corporate arms used by that town at different periods : 1600-1700 | | Monograph or Collective Volume | | 1902 |
| Book of Armagh : The Patrician documents | | Monograph or Collective Volume | | 1937 |
| Brehons, serjeants and attorneys : studies in the history of the Irish legal profession | | Monograph or Collective Volume | | 1990 |
| Bretha Crólige | | Article in Journal | | 1938 |
| Britain in the first age of party, 1680-1750 : essays presented to Geoffrey Holmes | | Monograph or Collective Volume | | 1987 |
| Buaidh na naomhchroiche | | Monograph or Collective Volume | | 1972 |
| Burke's introduction to Irish ancestry | | Monograph or Collective Volume | | 1976 |
| Burke's Irish family records | | Monograph or Collective Volume | | 1976 |
| Cain Adamnáin : an Old Irish treatise on the law of Adamnáin | | Monograph or Collective Volume | | 1905 |
| Cáin Domnaig | | Article in Journal | | 1966 |
| Cairteacha meán-aoiseacha do mhainistir Fhobhair, 12-13 céad | | Article in Journal | | 1961 |
| Calendar of ... Scritture riferite nei congressi, Irlanda, in Propaganda archives | | Article in Journal | | 1978 |
| Calendar of Archbishop Alen's register, c.1172-1534. Prepared and edited from the original in the registry of the united dioceses of Dublin and Glendalough and Kildare | | Monograph or Collective Volume | Falconer | 1950 |
| Calendar of Archbishop Alen's register, c.1172-1534; prepared and edited from the original in the registry of the united dioceses of Dublin and Glendalough and Kildare | | Monograph or Collective Volume | | 1950 |
| Calendar of Irish material in ... Fondo di Vienna in Propaganda archives | | Article in Journal | | 1990 |
| Calendar of the Carew manuscripts preserved in the archiepiscopal library at Lambeth. 6 vols. | | Monograph or Collective Volume | | 1867 |
| Calendar of the Gormanston register, [c. 1175-1397] | | Monograph or Collective Volume | | 1916 |
| Calendar of the Irish Council book 1 Mar. 1581 to 1 Jul. 1586, made by John P. Prendergast, 1867-9 | | Article in Journal | | 1967 |
| Calendar of the justiciary rolls or proceedings in the court of the justiciar of Ireland preserved in the Public Record Office of Ireland. XXIII to XXXV years of Edward I. 2 vols. | | Monograph or Collective Volume | | 1914 |
| Calendar of the justiciary rolls or proceedings in the court of the justiciar of Ireland, 1 to 7 years of Edward II. Revd. by Margaret C. Griffith | | Monograph or Collective Volume | The Stationery Office | 1956 |
| Calendar of the justiciary rolls or proceedings in the court of the justiciar of Ireland, preserved in the Public Record Office of Ireland. 1 : 23-31 Edw. I, 1295-1307; 2 : 33-35 Edw. I, 1305-7. 2 vols. | | Monograph or Collective Volume | | 1905 |
| Calendar of the Liber Ruber of the diocese of Ossory | | Article in Journal | | 1908 |
| Calendar of the Orrery papers | | Monograph or Collective Volume | The Stationery Office [for the Irish Manuscripts Commission] | 1941 |
| Calendar of volume 14 of the Fondo di Vienna in Propaganda Archives : part 3, ff. 284-395 | | Article in Journal | | 1990 |
| Caoineadh Airt Uí Laoghaire | | Monograph or Collective Volume | | 1961 |
| Carn Fraoich soitheach ne saorchlann | | Article in Journal | | 1954 |
| Catalogue of Irish material in fourteen volumes of the Scritture originali riferite nelle congregazioni generali in Propaganda archives | | Article in Journal | | 1969 |
| Catalogue of Irish material in vols 370 and 371 of the Scritture riferite originali nelle congregazioni generali in Propaganda archives | | Article in Journal | | 1985 |
| Catalogue of Irish material in vols. 140-3 of the Scritture originali riferite nelle congregazioni generali in Propaganda archives | | Article in Journal | | 1971 |
| Catalogue of Irish material in vols. 370 and 371 of the Scritture riferite originali nelle congregazioni generali in Propaganda Archives | | Article in Journal | | 1985 |
| Catholicism in Meath, c. 1622 | | Article in Journal | | 1972 |
| Ceart Uí Néill | | Article in Book | | 1931 |
| Ceart Uí Néill | | Article in Journal | | 1966 |
| Cenel Fiachach m. Neíll | | Article in Journal | | 1938 |
| Chartularies of St Mary's abbey, Dublin; with the register of its house at Dunbrody, and annals of Ireland. 2 vols. | | Monograph or Collective Volume | | 1884 |
| Chronicum Scotorum. A chronicle of Irish affairs from the earliest times to A.D. 1135; with a supplement containing the events of 1141 to 1150 | | Monograph or Collective Volume | | 1866 |
| Cín lae Ó Mealláin | | Article in Journal | | 1931 |
| Cinnlae Amlaoibh Uí Shúileabháin. 4 vols. | Ó Súileabháin, Amhlaoibh | Monograph or Collective Volume | | 1936 |
| Cíos Mhic Mhathghamhna | | Article in Journal | | 1930 |
| Cíos Mhic Mhathghamhna | | Article in Journal | | 1961 |
| Cistercian art and architecture in the British Isles | | Monograph or Collective Volume | | 1986 |
| Cities and Merchants : French and Irish perspectives on urban development | | Monograph or Collective Volume | Trinity College Dublin Department of Modern Irish History | 1986 |
| City of Derry Rugby Football Club : centenary 1881-1981 | | Monograph or Collective Volume | | 1981 |
| Clerical recruitment, 1735-83 : documents from Windsor and Rome | | Article in Journal | | 1972 |
| Cogadh Gaedhel re Gallaibh : The War of the Gaedhill with the Gaill, or, the invasions of Ireland by the Danes and other Norsemen. The original Irish text edited, with translation and introduction | | Monograph or Collective Volume | | 1867 |
| Coins and tokens of Ireland | | Monograph or Collective Volume | | 1970 |
| Coins of Scotland, Ireland & the Islands (Jersey, Guernsey, Man & Lundy) | | Monograph or Collective Volume | | 1984 |
| Collectanea politica : or the political transactions of Ireland, from ...George III to the present time. 3 vols. | | Monograph or Collective Volume | | 1801 |
| Collections on Irish church history from the MSS of ... Laurence F. Renehan ... 2 vols. | | Monograph or Collective Volume | | 1861 |
| Collections relating to the dioceses of Kildare and Leighlin. 3 vols. | | Monograph or Collective Volume | | 1883 |
| Comhairle Mhic Clamha ó Achadh na Muilleann. The advice of MacClare from Aughnamullen | | Monograph or Collective Volume | | 1981 |
| Common ground : essays on the historical geography of Ireland, presented to T. Jones Hughes | | Monograph or Collective Volume | Cork University Press | 1988 |
| Commonwealth state accounts : Ireland, 1650-56 | | Article in Journal | | 1944 |
| Conall Corc and the Corco Luigde | | Article in Journal | | 1947 |
| Conall Corc and the Corcu Luigde | | Article in Book | | 1910 |
| Contemporary sketches of the members of the Irish Parliament in 1782 | | Article in Journal | | 1954 |
| Corporation book of Ennis | | Monograph or Collective Volume | Irish Academic Press | 1990 |
| Corpus genealogiarum Hiberniae, 1 | | Monograph or Collective Volume | Dublin Institute for Advanced Studies | 1962 |
| Corpus genealogiarum sanctorum Hiberniae | | Monograph or Collective Volume | Institute for Advanced Studies | 1985 |
| Corpus iuris Hibernici : ad fidem codicum manuscriptorum recognovit | | Monograph or Collective Volume | Dublin Institute for Advanced Studies | 1978 |
| Correspondence of Daniel O'Connell, the Liberator. Edited with notices of his life and times | | Monograph or Collective Volume | John Murray | 1888 |
| Correspondence of Irish interest in the Lettere in Propaganda archives : vol. 38 (1657-64) | | Article in Journal | | 1990 |
| Correspondence of Irish interest in the Lettere in Propaganda archives : vols 27-34 (1649-64) | | Article in Journal | | 1988 |
| Correspondence of Irish interest in the Lettere in Propaganda Archives, vol. 38 (1657-1664) | | Article in Journal | | 1990 |
| Correspondence of the Right Hon. John Beresford, illustrative of the last thirty years of the Irish parliament. 2 vols. | | Monograph or Collective Volume | | 1854 |
| Council books of the corporation of Waterford, 1662-1700 | | Monograph or Collective Volume | | 1964 |
| Councils and ecclesiastical documents relating to Great Britain and Ireland | | Monograph or Collective Volume | | 1869 |
| Crede mihi : the most ancient register book of the archbishops of Dublin before the reformation | | Monograph or Collective Volume | | 1897 |
| Crichad an Chaoilli : being the Topography of ancient Fermoy | | Monograph or Collective Volume | | 1932 |
| Crisis in the 'Great Republic' : essays presented to Ross J.S. Hoffman | | Monograph or Collective Volume | | 1969 |
| Críth Gablach | | Monograph or Collective Volume | | 1941 |
| Cronica regum Mannie & Insularum : Chronicle of the kings of Man and the Isles : BL Cotton Julius A.vii | | Monograph or Collective Volume | | 1979 |
| Cummian's Letter de Controversia Paschalia and the De Ratione Conputandi | | Monograph or Collective Volume | | 1988 |
| Dán do Chormac Mág Shamhradháin, easpag Ardachaidh 1444-?1476 | | Article in Journal | | 1961 |
| Dán na mBráthar Mionúr, 1 : Téacs; 2 : Aistriúcháin. 2 vols. | | Monograph or Collective Volume | | 1980 |
| Dánfhocail : Irish epigrams | | Monograph or Collective Volume | | 1921 |
| Dánta Aodhagáin Uí Rathaille : the poems of Egan O'Rahilly. | | Monograph or Collective Volume | | 1911 |
| Dánta Grádha : an anthology of Irish love poetry, A.D. 1350-1750. Pt. 1 : Text | | Monograph or Collective Volume | | 1916 |
| Dánta is amhráin Sheáin Uí Ghadhra | | Monograph or Collective Volume | | 1955 |
| Dánta Mhuiris Mhic Dháibhí Dhuibh Mhic Gearailt. (Leabhar thaighde, 30ú himleabhar) | | Monograph or Collective Volume | | 1979 |
| De Gaulle and Ireland | | Monograph or Collective Volume | Institute of Public Administration | 1991 |
| De Valera and his times | | Monograph or Collective Volume | Cork University Press | 1983 |
| Dean William Henry's topographical description of the coast of County Antrim and N. Down, c. 1740 | | Article in Journal | | 1974 |
| Demna Aeóir : 'demons of the air' | Mills, Kristen | Article in Journal | | 2021 |
| Derry in the time of George I : selections from Bishop Nicolson's letters, 1718-22 | | Article in Journal | | 1954 |
| Desiderius, otherwise called Sgáthán an Chrábaidh | | Monograph or Collective Volume | | 1941 |
| Deux épitres de Saint Bernard et de son secrétaire | | Article in Journal | | 1957 |
| Devoy's post bag, 1871-1928. Vol. 1, 1871-80; vol. 2, 1880-1928 | | Monograph or Collective Volume | Fallon | 1953 |
| Dhá leabhar nótaí le Séarlas Ó Conchubhair | | Article in Journal | | 1957 |
| Dialann Í Chonchúir | | Article in Journal | | 1957 |
| Diary and correspondence of George Rose. 2 vols. | | Monograph or Collective Volume | | 1860 |
| Die Iren und Europa im früheren Mittelalter. 2 vols. | | Monograph or Collective Volume | | 1982 |
| Die Kildare-Gedichte : die ältesten mittelenglischen Denkmäler in Anglo-Irischer Überlieferung | | Monograph or Collective Volume | | 1904 |
| Directory of Irish archives | | Monograph or Collective Volume | Irish Academic Press | 1988 |
| Do bunad imthectha Eoganachta | | Article in Journal | | 1912 |
| Documents from the State Papers concerning Miles McGrath | | Article in Journal | | 1958 |
| Documents on the affairs of Ireland before the king's council | | Monograph or Collective Volume | The Stationery Office [for the Irish Manuscripts Commission] | 1979 |
| Documents relating to the medieval diocese of Armagh | | Article in Journal | | 1947 |
| Douai College documents, 1639-1794 | | Monograph or Collective Volume | Catholic Record Society | 1972 |
| Dowdall deeds | | Monograph or Collective Volume | The Stationery Office [for the Irish Manuscripts Commission] | 1960 |
| Dower charter of John de Courcy's wife | | Article in Journal | | 1949 |
| Dr Nicholas Madgett's 'Constitutio ecclesiastica' | | Article in Journal | | 1976 |
| Dr. Campbell's diary of a visit to England in 1775. With an introduction by C. S. Roberts | | Monograph or Collective Volume | | 1947 |
| Duanaire Dháibhidh Uí Bhruadair : the poems of David Ó Bruadair. Pt. 1 : Containing poems down to the year 1666; pt. 2 : Containing poems from the year 1667 till 1682; pt. 3 : containing poems from the year 1682 till the poet's death in 1698. 3 pts. | | Monograph or Collective Volume | | 1910 |
| Duanaire Ghearóid Iarla | | Article in Journal | | 1963 |
| Duanaire Mhéig Uidhir : the poembook of Cú Chonnacht Mág Uidhir, Lord of Fermanagh 1566-1589 | | Monograph or Collective Volume | | 1972 |
| Dublin diocesan archives : Hamilton papers (3) | | Article in Journal | | 1991 |
| Dublin through the ages | | Monograph or Collective Volume | College P. | 1988 |
| Durmart le Galois : roman arthurien du treizième siècle. 2 vols. | | Monograph or Collective Volume | | 1965 |
| Early charters relating to Youghal | | Article in Journal | | 1864 |
| Early Irish literature: Media and communication|Mu¨ndlichkeit und Schriftlichkeit in der fru¨hen irischen Literatur | | Monograph or Collective Volume | Gunter Narr Verlag | 1989 |
| Early Irish lyrics | | Monograph or Collective Volume | Clarendon Press | 1956 |
| Early Irish myths and sagas | | Monograph or Collective Volume | | 1981 |
| Early Irish poetry | | Monograph or Collective Volume | Mercier Press | 1965 |
| Early Irish society | | Monograph or Collective Volume | | 1954 |
| Ecclesiastical antiquities of Down, Connor and Dromore : consisting of a taxation of those dioceses compiled in the year MCCCVI | | Monograph or Collective Volume | | 1847 |
| Economists and the Irish economy : from the eighteenth century to the present day | | Monograph or Collective Volume | Irish Academic Press | 1984 |
| Eighteenth century Irish official papers in Great Britain : private collections, 2 | | Monograph or Collective Volume | Public Record Office of Northern Ireland | 1990 |
| Encyclopaedia of Ireland | | Monograph or Collective Volume | | 1968 |
| Endurance and emergence : Catholics in Ireland in the eighteenth century | | Monograph or Collective Volume | Irish Academic Press | 1990 |
| England and her neighbours, 1066-1453 : essays in honour of Pierre Chaplais | | Monograph or Collective Volume | Hambledon | 1989 |
| English law in medieval Ireland : two illustrative documents | | Article in Journal | | 1960 |
| Eoghan Ruadh Ó Súilleabháin | | Monograph or Collective Volume | | 1937 |
| Episcopal comments on the Decreta pro recto regimine ecclesiarum hiberniae, 1635-36 | | Article in Journal | | 1964 |
| Essays in British and Irish history in honour of J.E. Todd | | Monograph or Collective Volume | Muller | 1949 |
| Essays on England, Ireland and the Empire. Introduction by Joseph Hamburger | | Monograph or Collective Volume | | 1982 |
| Estate of Benedict Pippard of Pippardeston, A.D. 1316 | | Article in Journal | | 1957 |
| European Mercantile Networks | Monod, Paul | Article in Book | Oxford University Press | 2023 |
| Expugnatio Hibernica : the conquest of Ireland by Giraldus Cambrensis. Edited with translation [from the Latin] and historical notes | | Monograph or Collective Volume | | 1978 |
| Extents of Irish monastic possessions, 1540-1541, from manuscripts in the Public Record Office, London | | Monograph or Collective Volume | The Stationery Office [for the Irish Manuscripts Commission] | 1943 |
| Extra official state papers addressed to the rt. hon. Lord Rawdon | | Monograph or Collective Volume | | 1789 |
| Extracts from the great roll of the Irish exchequer relating to Waterford and Ross, A.D. 1273-1483 | | Article in Journal | | 1918 |
| Extracts from the journal of Thomas Dineley | | Article in Journal | | 1867 |
| Extracts from the journal of Thomas Dineley | | Article in Journal | | 1913 |
| Extracts from the journal of Thomas Dinely (1681) | | Article in Journal | | 1867 |
| Extracts from the journal of Thomas Dinely (1681) | | Article in Journal | | 1913 |
| Fabian Ryan, O.P., postulated as bishop by clergy and laity of Cashel and of Emly 1652 | | Article in Journal | | 1988 |
| Facsimiles of the national manuscripts of Ireland. 4 vols. | | Monograph or Collective Volume | | 1874 |
| Fair liberty was all his cry : a tercentenary tribute to Jonathan Swift, 1667-1745 | | Monograph or Collective Volume | St. Martin's Press | 1967 |
| Father John Colgan, O.F.M., 1592-1658 : essays in commemoration of the third century of his death | | Monograph or Collective Volume | | 1959 |
| Father Luke Wadding : commemorative volume | | Monograph or Collective Volume | | 1957 |
| Feminism and nationalism in Ireland : can we learn from history? | Ward, Margaret | Article in Journal | | 1992 |
| Ferns diocesan statutes, 1722 | | Article in Journal | | 1964 |
| Filíocht Phádraigín Haicéad | | Monograph or Collective Volume | | 1962 |
| Five seventeenth-century political poems | | Monograph or Collective Volume | | 1952 |
| Flannacán mac Cellaich rí Breg hoc carmen | | Article in Journal | | 1949 |
| Flattery rejected : two seventeenth-century Irish poems | | Article in Journal | | 1985 |
| Focus on medieval Dublin | | Article in Book | | 1978 |
| Four centuries of music in Ireland : essays based on a series of programmes broadcast to mark the 50th anniversary of the BBC in Northern Ireland | | Monograph or Collective Volume | BBC | 1979 |
| Four letters of Father James White, O.F.M. of Clonmel, 1668-79 | | Article in Journal | | 1976 |
| Fragmentary annals of Ireland | | Monograph or Collective Volume | Institute for Advanced Studies | 1978 |
| Fragments of a lost register of the diocese of Clogher | | Article in Journal | | 1916 |
| Fragments of the civil survey of counties Kerry, Longford and Armagh | | Article in Journal | | 1967 |
| Fragments of two mediaeval treatises on horses | | Article in Journal | | 1954 |
| Franco-Irish correspondence : December 1688 - February 1692, 1 | | Monograph or Collective Volume | | 1983 |
| Franco-Irish correspondence, 1688-91 | | Article in Journal | | 1959 |
| Galway; town and gown 1484-1984 | | Monograph or Collective Volume | | 1984 |
| Genealogical tracts, I | | Monograph or Collective Volume | | 1932 |
| Genealogies of saints | | Article in Book | | 1931 |
| Giraldi Cambrensis opera. Vol. 5 : 'Topographia hibernica' et 'Expugnatio Hibernica' | | Monograph or Collective Volume | | 1867 |
| Giraldus Cambrensis : The first version of the Topography of Ireland | | Monograph or Collective Volume | | 1951 |
| Giraldus Cambrensis in Topographia Hibernie : text of the first recension | | Article in Journal | | 1949 |
| Goblet of St Lorcán Ua Tuathail, archbishop of Dublin, 1161-1180 | | Article in Journal | | 1933 |
| Gravestone inscriptions, Belfast, 1 : Shankill grave-yard and tablets in Christ's Church and St George's Church | | Monograph or Collective Volume | Ulster Historical Foundation | 1982 |
| Guide to English financial records for Irish history, 1461-1558, with illustrative extracts, 1461-1509 | | Article in Journal | | 1941 |
| Hearth money rolls (1663) : city and county of Derry | | Article in Journal | | 1979 |
| Henry's Upper Lough Erne in 1739, edited with notes and appendices | | Monograph or Collective Volume | | 1892 |
| Here come the mountainy men : a memoir | Rothery, Sean | Monograph or Collective Volume | The Liffey Press | 2018 |
| History of the Irish College, Paris, 1578-1800 : calendar of the papers of the Irish College, Paris | | Article in Journal | | 1980 |
| History of the town and county of Wexford. 6 vols. | | Monograph or Collective Volume | | 1900 |
| Hume and the enlightenment : essays presented to Ernest Campbell Mossner | | Monograph or Collective Volume | | 1974 |
| Humfrey Owen's account of the seigniory of Castleisland in 1686 | | Article in Journal | | 1978 |
| Hutchinson's popular and illustrated story of the nations, 3 : British Isles and America | | Monograph or Collective Volume | | 1934 |
| Ideas and politics in modern Britain | | Monograph or Collective Volume | | 1990 |
| Imperialism and its Legacy : Issues and Perspectives | | Monograph or Collective Volume | | 1990 |
| Imtheacht an dá nónbhar agus tóraigheacht Taise Taobhghile | | Monograph or Collective Volume | | 1954 |
| Index to Analecta Hibernica no. 10 (1941) and no. 12 (1943) | | Monograph or Collective Volume | | 1944 |
| Index to Analecta Hibernica no. 6 (1934) and no. 8 (1938) | | Monograph or Collective Volume | | 1940 |
| Index to Clonfert and Kilmacduagh wills | | Monograph or Collective Volume | The editor | 1977 |
| Index to Kilmore diocesan wills | | Monograph or Collective Volume | [s.n.] | 1975 |
| Index to the Irish Ecclesiastical Record 1864-1917 : documents | | Article in Journal | | 1959 |
| Index to the manuscripts of military interest in the National Library of Ireland | | Article in Journal | | 1954 |
| Inquisitions of 1224 from the 'Miscellanea of the Exchequer' | | Article in Journal | | 1972 |
| Inquisitionum in officio rotulorum cancellariae Hiberniae asservatarum repertorium. 1 : Province of Leinster; 2 : Province of Ulster. 2 vols. | | Monograph or Collective Volume | | 1826 |
| Instructions, admonitions, etc. of Archbishop Carpenter, 1770-86 | | Article in Journal | | 1958 |
| Into all the World : A history of 150 years of the Overseas work of the Presbyterian Church in Ireland | | Monograph or Collective Volume | | 1990 |
| Inventories of five Dublin quaker merchants in the late seventeenth century | | Article in Journal | | 1978 |
| Iomarbhágh na bhfileadh : the contention of the bards. 2 pts. | | Monograph or Collective Volume | | 1918 |
| Ireland and Christendom : the bible and the missions | | Monograph or Collective Volume | | 1987 |
| Ireland from Grattan's Parliament to the Great Famine, 1783-1850; a documentary record | | Monograph or Collective Volume | Fallon | 1949 |
| Ireland in '98, as illustrated from contemporary writings | | Article in Journal | | 1940 |
| Ireland in early mediaeval Europe : studies in memory of Kathleen Hughes | | Monograph or Collective Volume | Cambridge University Press | 1982 |
| Ireland in the War Years and After, 1939-51 | | Monograph or Collective Volume | | 1969 |
| Ireland under Elizabeth. Chapters towards a history of Ireland in the reign of Elizabeth : being a portion of the history of catholic Ireland ... by Don Philip O'Sullivan Beare. Translated from the original Latin by Matthew J. Byrne | | Monograph or Collective Volume | | 1903 |
| Ireland under the Commonwealth. Being a selection of documents relating to the government of Ireland from 1651 to 1659, edited with historical introduction and notes. 2 vols | | Monograph or Collective Volume | | 1913 |
| Ireland under the Union : varieties of tensions : essays in honour of T.W. Moody | | Monograph or Collective Volume | Clarendon Press | 1980 |
| Ireland's terrorist trauma : interdisciplinary perspectives | | Monograph or Collective Volume | | 1989 |
| Ireland's unknown soldiers : 16th (Irish) Division in the Great War, 1914-1918 | Denman, Terence | Monograph or Collective Volume | Irish Academic Press | 2008 |
| Irish art loan exhibitions, 1765-1927 : Index of Artists, vol. 1, A-L | | Monograph or Collective Volume | Manton Publishing | 1990 |
| Irish bardic poetry : texts and translations together with an introductory lecture by Osborn Bergin | | Monograph or Collective Volume | | 1970 |
| Irish catholic petition of 1805 : the diary of Denys Scully | | Monograph or Collective Volume | | 1992 |
| Irish church records : their history, availability and use in family and local history research | | Monograph or Collective Volume | Flyleaf Press | 1992 |
| Irish College, Rome : Kirby papers : guide to material of public and political interest, 1862-83 | | Article in Journal | | 1972 |
| Irish culture and nationalism, 1750-1950 | | Monograph or Collective Volume | Macmillan | 1983 |
| Irish Franciscan mission to Scotland, 1619-46 : documents from Roman archives | | Monograph or Collective Volume | Assisi Press | 1964 |
| Irish genealogy : a record finder | | Monograph or Collective Volume | Heraldic Artists | 1981 |
| Irish geographical studies in honour of E. Estyn Evans | | Monograph or Collective Volume | | 1970 |
| Irish historical documents since 1800 | | Monograph or Collective Volume | Gill & Macmillan | 1992 |
| Irish history and culture : aspects of a people's heritage | | Monograph or Collective Volume | University Press of Kansas | 1979 |
| Irish Jacobites : lists from Trinity College Dublin Ms.N. 1. 3 | | Article in Journal | | 1960 |
| Irish law tracts re-edited | | Article in Journal | | 1955 |
| Irish litanies : texts and translation | | Monograph or Collective Volume | | 1925 |
| Irish material in the Augustinian General Archives, Rome, 1354-1624 | | Article in Journal | | 1956 |
| Irish monks in the Golden Age | | Monograph or Collective Volume | | 1963 |
| Irish Neutrality - an historical review | Fanning, Ronan | Article in Journal | | 1982 |
| Irish officers in the Neapolitan service | Garland, J. L. | Article in Journal | | 1979 |
| Irish official publications : a guide to Republic of Ireland papers, with a breviate of reports 1922-1972 | Maltby, A.McKenna, B. | Monograph or Collective Volume | Pergamon | 1980 |
| Irish parliamentary elections and the influence of the Catholic vote, 1801-20 | Jupp, Peter, 1940-2006 | Article in Journal | | 1967 |
| Irish parliamentary elections, 1727-68 | McCracken, J. L. | Article in Journal | | 1947 |
| Irish peasant society | Connell, Kenneth Hugh | Monograph or Collective Volume | Clarendon Press | 1968 |
| Irish peasant women in revolt : the Land League years | Tebrake, J. K. | Article in Journal | | 1992 |
| Irish peasants : violence and political unrest, 1780-1914 | | Monograph or Collective Volume | Manchester University Press | 1983 |
| Irish pioneers in ocean navigation of the middle ages | Marcus, G. J. | Article in Journal | | 1951 |
| Irish place names in Co. Antrim | Magill, P. | Article in Journal | | 1939 |
| Irish poetry from the English invasion to 1798. | Alspach, R. K. | Monograph or Collective Volume | | 1959 |
| Irish poets, historians, and judges in English documents, 1538-1615 | | Article in Journal | | 1921 |
| Irish political documents, 1869-1916 | | Monograph or Collective Volume | Irish Academic Press | 1989 |
| Irish politics and social conflict in the age of the American Revolution | O'Connell, Maurice R. | Monograph or Collective Volume | University of Pennsylvania Press | 1965 |
| Irish postal history, sixteenth century to 1935 | Cooke, C. J. | Monograph or Collective Volume | | 1935 |
| Irish preachers and confessors in the archdiocese of Malines, 1607-1794 | | Article in Journal | | 1960 |
| Irish presbyterians under the restored Stuart monarchy | Neville, J. D. | Article in Journal | | 1981 |
| Irish printing in the early seventeenth century | Gillespie, Raymond, 1955-2024 | Article in Journal | | 1988 |
| Irish privateers during the Civil War, 1642-1650 | Ohlmeyer, Jane H. | Article in Journal | | 1990 |
| Irish Protestant nationalism in the 19th century | Boyle, J. W. (John William) | Article in Journal | | 1969 |
| Irish psychiatry, 1 : the formation of a profession | Finnane, Mark | Article in Book | | 1991 |
| Irish psychiatry, 2 : use of the Medico-Psychological Association by its Irish members - plus ça change! | Healy, David | Article in Book | | 1991 |
| Irish Quaker perspectives on the anti-slavery movement | Harrison, R. S. | Article in Journal | | 1991 |
| Irish railways in 1869 | Mahon, G. R. | Article in Journal | | 1971 |
| Irish railways in 1870 | Mahon, G. R. | Article in Journal | | 1973 |
| Irish re-creations of the Gaelic past : the challenge of Macpherson's Ossian | O'Halloran, Clare | Article in Journal | | 1989 |
| Irish rebels and English radicals, 1798-1820 | Smith, A. W. | Article in Journal | | 1955 |
| Irish records, 1920-33, a survey | Quinn, D. B. (David Beers) | Article in Journal | | 1934 |
| Irish recusant lawyers in politics in the reign of James I | Cregan, Donal F. | Article in Journal | | 1970 |
| Irish regimental marches | Paine, J. | Article in Journal | | 1936 |
| Irish regimental pipers and their dress | Gael, pseud. | Article in Journal | | 1942 |
| Irish religious opinion on the American Civil War | Hernon, Joseph M. | Article in Journal | | 1964 |
| Irish reports; or reports of cases determined in the king's courts, Dublin; with select cases in the house of lords of Ireland | Scriven, J. B.Vernon, G. W. | Monograph or Collective Volume | | 1790 |
| Irish representatives and Irish ecclesiastical affairs at the Fourth Lateran Council | Dunning, P. J. | Article in Book | | 1961 |
| Irish revenue, 1278-1384 | Richardson, Henry GeraldSayles, George Osborne | Article in Journal | | 1962 |
| Irish revenues and English subventions, 1559-1622 | Sheehan, A. J. (Anthony J.) | Article in Journal | | 1990 |
| Irish sagas | | Monograph or Collective Volume | The Stationery Office for Radio Éireann | 1959 |
| Irish saints in the Martiloge in Englyssche, 1526 | Hennig, John | Article in Journal | | 1958 |
| Irish saints' lives, romance and cultural history | Heist, W. W. | Article in Journal | | 1975 |
| Irish scholars in Dublin circa 1720 | Ó Casaide, Séamus | Article in Journal | | 1940 |
| Irish scholars in Dublin in the early eighteenth century | | Article in Journal | | 1912 |
| Irish scholarship and the Renaissance, 1580-1673 | Silke, John J. | Article in Journal | | 1973 |
| Irish seminaries in the eighteenth century | Dowling, Edward | Article in Journal | | 1941 |
| Irish sepulchural monuments of the later middle ages | Rae, E. C. | Article in Journal | | 1971 |
| Irish settlement in Tyrone before the Ulster plantation | Robinson, Philip S. | Article in Journal | | 1976 |
| Irish silver coins of Henry VIII | Smith, Aquilla | Article in Journal | | 1879 |
| Irish silver dish rings | Westropp, Michael Seymour Dudley | Article in Journal | | 1936 |
| Irish smuggling in the 18th century | James, F. G. | Article in Journal | | 1961 |
| Irish society, Anglo-Norman settlers, Angevin kingship : interactions in Ireland in the late twelfth century | Flanagan, Marie Therese | Monograph or Collective Volume | Clarendon Press | 1989 |
| Irish soldiers and plotters in Williamite England, 1 | Melvin, P. | Article in Journal | | 1981 |
| Irish soldiers and the Irish College in Paris, 1706-1791 | Walsh, Micheline | Article in Book | | 1978 |
| Irish soldiers in India | Cadell, Patrick, Sir | Article in Journal | | 1950 |
| Irish soldiers in South America, 1818-30 | Lambert, Eric | Article in Journal | | 1969 |
| Irish spirituality | Ó Laoghaire, Diarmuid, SJ | Article in Book | | 1984 |
| Irish Studies 3 : Ireland and the European Community | | Monograph or Collective Volume | | 1984 |
| Irish Studies, 1 | | Monograph or Collective Volume | | 1980 |
| Irish term reports : or reports of cases determined in the king's courts, Dublin, from Easter term, 34 Geo. III, to Hilary term, 35 Geo. III, inclusive | Lapp, W.Ridgeway, WilliamSchoales, John | Monograph or Collective Volume | | 1796 |
| Irish tower houses : a Co. Tipperary case study | Cairns, C. T. | Monograph or Collective Volume | Group for the Study of Irish Historic Settlement | 1987 |
| Irish towns in a period of change 1558-1625 | Sheenan, Anthony | Article in Book | | 1986 |
| Irish Towns in the Eighteenth and Nineteenth Centuries | Freeman, W. E. | Article in Book | | 1977 |
| Irish trade unions and politics, 1830-50 | O'Higgins, Rachel | Article in Journal | | 1961 |
| Irish travellers in the Norse world | Power, Rosemary | Article in Book | | 1990 |
| Irish unionism and the Russellite threat, 1894-1906 | Jackson, Alvin | Article in Journal | | 1987 |
| Irish unionism. Vol. 1, The Anglo-Irish and the new Ireland, 1885-1922 | Buckland, Patrick | Monograph or Collective Volume | | 1972 |
| Irish Unionism. Vol. 2, Ulster Unionism and the origins of Northern Ireland, 1886-1922 | Buckland, Patrick | Monograph or Collective Volume | Gill & Macmillan | 1973 |
| Irish vernacular law and the Old Testament | Ó Corráin, Donnchadh | Article in Book | | 1987 |
| Irish Volunteer glass | MacLeod, Catriona | Article in Journal | | 1965 |
| Irish whales and whaling | Farley, J. | Monograph or Collective Volume | | 1981 |
| Irish work-house children in Australia | Collingwood, Judy | Article in Book | | 1991 |
| Irishmen in the Forty-Five | Petrie, Charles Alexander, Sir | Article in Journal | | 1956 |
| Irishmen ordained at Lisbon 1587-1625, 1641-60 | | Article in Journal | | 1990 |
| Irishmen ordained at Prague, 1629-1786 | Hösler, Matthäus | Article in Journal | | 1991 |
| Irishwomen and property in the sixteenth century | Nicholls, K. W. (Kenneth W.) | Article in Book | | 1991 |
| Irland : Überformung eines keltischen Siedlungsraumes am Rande Europas durch externe Kolonisationsbewegungen | Simms, Anngret | Article in Book | | 1979 |
| Irland im Mittelalter : Kultur und Geschichte | Richter, Michael, 1943-2011 | Monograph or Collective Volume | Kohlhammer | 1983 |
| Irland in der deutschen Geschichtswissenschaft, Politik und Propaganda vor 1914 und im ersten Weltkrieg | Kluge, H. D. | Monograph or Collective Volume | | 1985 |
| Irland in der europäischen Geisteswelt des 8. Jahrhunderts | Byrne, Francis John, 1934-2017 | Article in Book | | 1985 |
| Irland sedan 1800 | Aberg, Alf | Monograph or Collective Volume | Tiden | 1971 |
| Irland und das Friderizianische Preussen | Hennig, John | Article in Journal | | 1966 |
| Irland und Europa -Ireland and Europe. Die Kirche im Frühmittelalter - the early Church | | Monograph or Collective Volume | | 1984 |
| Irland und Europa : die Kirche im Frühmittelalter | Richter, Michael, 1943-2011 | Article in Book | | 1984 |
| Irlanda en la estrategia franco-española de 1779 | Voltes Bou, Pedro | Article in Journal | | 1958 |
| Irlandafsnittet i konungs skuggsía | Hallseth, Benedicte Tulinius | Article in Journal | | 1967 |
| Irlande | Gwynn, Aubrey | Article in Book | | 1960 |
| Irlande : la participation des classes populaires au mouvement national (1800-1921) | Bédarida, François | Monograph or Collective Volume | Armand Colin | 1971 |
| Irlandiia v bor'be za svoiu nezavisimost'. | Kerzhentsev, P. M. | Monograph or Collective Volume | | 1936 |
| Irlandkunde in der festländischen Tradition irischer Heiliger | Hennig, John | Article in Book | | 1982 |
| Iron "slave-collars" from Lagore crannog, Co. Meath | Scott, Brian G. | Article in Journal | | 1978 |
| Is the British Commonwealth withering away? | Wheare, Kenneth Clinton, Sir | Article in Journal | | 1950 |
| Isaac Butt (1813-1879) and the inner failure of Protestant Home Rule | McCormack, W. J. | Article in Book | | 1989 |
| Isaac Butt and Home Rule | Thornley, David | Monograph or Collective Volume | Macgibbon & Kee | 1964 |
| Isaac Butt and the Home Rule movement : a study in conservative nationalism | McCaffrey, Lawrence J., 1925- | Article in Journal | | 1960 |
| Isaac Butt and the Union, 1843-70 | Thornley, David | Article in Journal | | 1956 |
| Isaac Corry, 1755-1813 : an adventurer in the field of politics | Malcomson, A. P. W. (Anthony) | Monograph or Collective Volume | | 1974 |
| Isidore of Seville and early Irish cosmography | Smyth, M. | Article in Journal | | 1987 |
| Islands apart : the story of Ireland from St. Patrick to De Valera | Ryan, A. P. | Monograph or Collective Volume | Morrow | 1954 |
| Isle of destiny. The clash of cultures | Devane, James | Monograph or Collective Volume | Browne and Nolan | 1937 |
| Isle of the saints : monastic settlement and Christian community in early Ireland | Bitel, Lisa M., 1958- | Monograph or Collective Volume | Cornell University Press | 1990 |
| Ist Irland jemals von einem römischen Heere betreten worden? Eine ... Untersuchung über Tacitus Agr. Kap. 24 | Pfitzner, Wilhelm | Monograph or Collective Volume | | 1893 |
| Italian merchant bankers in Ireland in the thirteenth century : a study in the social and economic history of medieval Ireland | O'Sullivan, M. D. (Mary Donovan) | Monograph or Collective Volume | Allen Figgis | 1962 |
| Italy and Ireland in the 19th century : contacts and misunderstandings between two national movements | D'Angelo, G. | Monograph or Collective Volume | St Paul's | 1975 |
| Italy and Ireland in the middle ages | Berardis, Vincenzo | Monograph or Collective Volume | Clonmore & Reynolds | 1950 |
| Itineraria Symonis Simeonis et Willelmi de Worcestre | | Monograph or Collective Volume | | 1778 |
| Itinerarium Symonis Semeonis ab Hybernia ad Terram Sanctam | | Monograph or Collective Volume | | 1960 |
| Itinerarium Symonis Simeonis ab Hybernia ad Terram Sanctam. (translated) | Symon Simeonis | Article in Book | | 1952 |
| J.J. O'Kelly, the Catholic Bulletin and contemporary Irish cultural historians | Murphy, Brian | Article in Journal | | 1989 |
| J.S. Mill and Irish land : a reassessment | Kinzer, Bruce L., 1948- | Article in Journal | | 1984 |
| J.S. Mill and the Irish question : the principles of political economy, 1848-65 | Steele, Edward David | Article in Journal | | 1970 |
| Jacobite Ireland, 1685-91 | Simms, J. G. (John Gerald) | Monograph or Collective Volume | Routledge & Kegan Paul | 1969 |
| James Anthony Froude, a biography, 1 : 1818-56; 2 : 1856-1894. 2 vols. | Dunn, W. H. | Monograph or Collective Volume | | 1961 |
| James Archer of Kilkenny : an Elizabethan Jesuit : first rector of the Irish College at Salamanca and ally of the great Hugh O'Neill | Morrissey, Thomas J. | Monograph or Collective Volume | Studies, Special Publication | 1979 |
| James Bonnell, churchman (1653-99) | McAdoo, H. R. | Article in Journal | | 1952 |
| James Connolly (1868-1916) and Irish socialism | Bew, Paul | Article in Book | | 1989 |
| James Fintan Lalor : radical | Buckley, D. N. (David N.) | Monograph or Collective Volume | Cork University Press | 1990 |
| James Henry of Dublin : physician, versifier, pamphleteer, wanderer and classical scholar | Richmond, J. | Monograph or Collective Volume | | 1976 |
| James Huston : a forgotten Irish-American patriot | O'Flaherty, Patrick | Article in Journal | | 1973 |
| James II : a study in kingship. | Miller, John | Monograph or Collective Volume | | 1989 |
| James II's money of necessity, often called gunmoney | Went, A. E. J. | Article in Journal | | 1960 |
| James Martineau and the Catholic spirit amid the tensions of Dublin, 1828-1832 | Waller, Ralph | Article in Book | | 1989 |
| James Shaw-Kennedy and the reformation of the Irish constabulary, 1836-38 | Fulham, G. J. | Article in Journal | | 1981 |
| James Stephens and the Fenian rising | Gwynn, D. R. (Denis Rolleston), 1893-1972 | Article in Journal | | 1968 |
| James Ussher and his times | Styles, Philip | Article in Journal | | 1956 |
| James Ussher, archbishop of Armagh | Knox, Robert Buick | Monograph or Collective Volume | | 1967 |
| Jane Austen's Irish friend : Rt. Hon. Thomas Langlois Lefroy, 1776-1869 | Lefroy, J. A. P. | Article in Journal | | 1979 |
| Jerpoint | Hegarty, Maureen | Article in Journal | | 1971 |
| Jetsam, treasure trove, and the lord's share in medieval Ireland | Mac Niocaill, Gearóid | Article in Journal | | 1971 |
| John Anderson : entrepreneur | Brunicardi, Niall | Monograph or Collective Volume | Eigse Books | 1988 |
| John B. MacNeill | Sheehy, Jeanne | Article in Journal | | 1974 |
| John Blake Dillon : young Irelander | Ó Cathaoir, Brendan | Monograph or Collective Volume | Irish Academic Press | 1990 |
| John Callaghan and the controversies among the Irish in Paris, 1648-54 | Corish, Patrick J. | Article in Journal | | 1954 |
| John Chambers, printer and United Irishman | Pollard, Mary | Article in Journal | | 1964 |
| John Colton, justiciar of Ireland (1382) and archbishop of Armagh (1383-1404) | Watt, J. A. | Article in Book | | 1981 |
| John Denton desires William Kearney to print books for use in Down, c.1588 : a sidelight on printing in Ireland | Quinn, D. B. (David Beers) | Article in Journal | | 1977 |
| John Dillon and the Home Rule movement | Tierney, Michael | Article in Journal | | 1969 |
| John Dongan of Dublin, an Elizabethan gentleman | Dungan, T. P. | Article in Journal | | 1989 |
| John Dongan of Dublin, an Elizabethan gentleman | Dungan, T. P. | Article in Journal | | 1988 |
| John Foster and the speakership of the Irish house of commons | Malcomson, A. P. W. (Anthony) | Article in Journal | | 1972 |
| John Garzia, a noted priest-catcher and his activities, 1717-23 | MacGrath, Kevin. | Article in Journal | | 1949 |
| John Henry Cardinal Newman. The idea of a university, defined and illustrated, 1 : In nine discourses delivered to the Catholics of Dublin; 2 : In occasional lectures and essays addressed to the members of the Catholic university. | | Monograph or Collective Volume | | 1947 |
| John Henry Newman and Frank Duff | Kennedy, F. | Monograph or Collective Volume | Praedicanda Publications | 1982 |
| John in Ireland, 1185 | Warren, Wilfred Lewis, 1929- | Article in Book | | 1976 |
| John Kent's report on the state of the Irish mission, 1742 | | Article in Journal | | 1966 |
| John Mandeville and the Irish Crimes Act of 1887 | Geary, Laurence M. | Article in Journal | | 1987 |
| John Milton's student, Richard Barry : a biographical note | Taaffe, J. G. | Article in Journal | | 1962 |
| John Mitchel and Irish nationalism | Newsinger, John | Article in Journal | | 1980 |
| John Neville, Louth county surveyor | Casey, Christine | Article in Journal | | 1985 |
| John O'Connell and the Great Famine | O'Connell, Maurice R. | Article in Journal | | 1986 |
| John O'Connor Power, Charles Stewart Parnell and the centralisation of popular politics in Ireland | Jordan, D. | Article in Journal | | 1986 |
| John Philpot Curran : his life and times | Hales, Leslie | Monograph or Collective Volume | | 1958 |
| John Redmond (1856-1918) and Home Rule | Laffan, Michael | Article in Book | | 1989 |
| John Tennent 1777-1813, United Irishman and Chevalier de la Légion d'Honneur | Black, Eileen | Article in Journal | | 1977 |
| John Tennent, 1777-1813, United Irishman and Chevalier de la Légion d'Honneur | Black, Eileen | Article in Journal | | 1977 |
| John Toland (1670-1722), a Donegal heretic | Simms, J. G. (John Gerald) | Article in Journal | | 1969 |
| John Toland (1670-1722), a Donegal heretic | Simms, J. G. (John Gerald) | Article in Journal | | 1969 |
| John Verdon, Clonmore, Co. Louth, parish priest of Drogheda, bishop of Ferns (1709-28) | | Article in Journal | | 1980 |
| John Wesley and his Ulster contacts | Cole, F. J. | Article in Journal | | 1946 |
| John Wesley and Ireland | Bowmer, J. C. | Article in Journal | | 1954 |
| John Wesley in Ireland | Freeman, T. W. | Article in Journal | | 1975 |
| John, lord of Ireland, 1185-1216 | Martin, F. X. (Francis Xavier), 1922-2000 | Article in Book | | 1987 |
| Jonathan Swift : 1667-1967, a Dublin tercentenary tribute | Edwards, PhilipMcHugh, Roger Joseph | Monograph or Collective Volume | Dolmen Press | 1967 |
| Jonathan Swift and Ireland | Ferguson, O. W. | Monograph or Collective Volume | University of Illinois Press | 1962 |
| Jonathan Swift and Ireland | Tupoleva, L. F. | Article in Book | | 1984 |
| Jonathan Swift and Thomas Sheridan : the 'Intelligencer' | | Monograph or Collective Volume | | 1992 |
| Jonathan Swift, Aodh Buí Mac Cruitín and contemporary Thomond scholars | MacCarvill, Eileen | Article in Journal | | 1968 |
| Joseph Chamberlain | Powell, J. E. | Monograph or Collective Volume | | 1977 |
| Joseph Chamberlain, English nationalism and the Ulster question | Loughlin, James | Article in Journal | | 1992 |
| Joseph Stock and Killala | Clarke, B. | Article in Journal | | 1985 |
| Journal of the Very Rev. Rowland Davies, LL.D., dean of Ross, and afterwards dean of Cork, from March 8, 1688/9, to September 29, 1690. | Caulfield, RichardDavies, Rowland, 1649-1721 | Monograph or Collective Volume | | 1857 |
| Journals of the House of Commons of the kingdom of Ireland from the 18th May 1613 to the 2nd August 1800. 19 vols. in 21. | Anonymous | Monograph or Collective Volume | | 1796 |
| Journals of the House of Lords [of Ireland], Vol. 1 (1634-98); vol. 2 (1703-25); vol. 3 (1727-1752); vol. 4 (1753-1776); vol. 5 (1776-1786); vol. 6 (1787-1791); vol. 7 (1792-1797); vol. 8 (1798-1800). 8 vols. | Anonymous | Monograph or Collective Volume | | 1779 |
| Journey of an abbey, 1292-1972 : history of the Augustinians in Dungarvan | Butler, T. C. | Monograph or Collective Volume | Good Counsel Press | 1973 |
| Justin MacCarthy, Lord Mountcashel : commander of the first Irish brigade in France | Murphy, John A. | Monograph or Collective Volume | Cork University Press | 1959 |
| Juvenal in Ireland? | McElderry, R. K. | Article in Journal | | 1922 |
| Katharine O'Shea and C.S. Parnell | Callaghan, M. R. | Article in Book | | 1991 |
| Kells | Simms, Anngret,Simms, Katharine | Monograph or Collective Volume | Royal Irish Academy | 1990 |
| Kells : early and medieval | O'Connell, Philip | Article in Journal | | 1960 |
| Kentstown churchyard | Fitzgerald, Lord Walter, 1858-1923 | Article in Journal | | 1910 |
| Kilcooly abbey | Conway, Colmcille | Article in Journal | | 1985 |
| Kildare | Andrews, J. H. (John Harwood), 1927-2019 | Monograph or Collective Volume | Royal Irish Academy | 1986 |
| Kildare in 1798 | Mac Suibhne, Peadar | Monograph or Collective Volume | | 1978 |
| Kildare Place : the history of the Church of Ireland Training College, 1811-1969 | Parkes, Susan M. | Monograph or Collective Volume | Church of Ireland College of Education | 1984 |
| Kilkenny : an urban history, 1391-1843 | Neely, W. G. (William G.) | Monograph or Collective Volume | Institute of Irish Studies, Queen's University Belfast | 1989 |
| Kilkenny : History and Society : Interdisciplinary Essays on the History of an Irish County | | Monograph or Collective Volume | Geography Publications | 1990 |
| Kilkenny : its architecture and history | | Monograph or Collective Volume | An Taisce | 1977 |
| Kilkenny : its architecture and history. | | Monograph or Collective Volume | Appletree Press | 1987 |
| Kilkenny corporation accounts in the eighteenth century | Pilsworth, W. J. | Article in Journal | | 1957 |
| Kilkenny's short-lived university (Feb-July 1690) | Leonard, John | Article in Journal | | 1988 |
| Kilkenny's short-lived university (Feb.-July 1690) | Leonard, John | Article in Journal | | 1988 |
| Killure, Fohenagh and Kilgerill | Mac Lochlainn, T. | Monograph or Collective Volume | | 1975 |
| Kilmainham - the treaty that never was | Powell, J. E. | Article in Journal | | 1978 |
| Kilmallock Dominican priory : an architectural perspective, 1291-1991 | Hogan, Arlene | Monograph or Collective Volume | | 1991 |
| Kinelmeaky and the Munster plantation | Nicholls, K. W. (Kenneth W.) | Article in Journal | | 1980 |
| King Henry III and Ireland : the shaping of a peripheral lordship | Frame, Robin | Article in Book | | 1992 |
| King John and Ireland | Warren, Wilfred Lewis, 1929- | Article in Book | | 1981 |
| King John's castle, Carlingford, Co. Louth | Leask, H. G. (Harold G.) | Monograph or Collective Volume | The Stationery Office | 1941 |
| King's Inns admission papers, 1607-1867 | | Monograph or Collective Volume | Stationery Office for the Irish Manuscripts Commission | 1982 |
| King's Inns and the kingdom of Ireland : the Irish 'Inn of court', 1541-1800 | Kenny, Colum | Monograph or Collective Volume | Irish Academic Press in association with the Irish Legal History Society | 1992 |
| King, church and property : mortmain in the lordship of Ireland | Brand, Paul | Article in Journal | | 1984 |
| Kingdom and colony : Ireland in the westward enterprise 1536-1660 | Bottigheimer, Karl S. | Article in Book | | 1978 |
| Kingdom in reversion : the Irish viceroyalty of the earl of Wharton, 1708-10 | Dralle, L. A. | Article in Journal | | 1951 |
| Kings in conflict : the revolutionary war in Ireland and its aftermath, 1689-1750 | | Monograph or Collective Volume | Blackstaff Press | 1990 |
| Kingsbridge station | Sheehy, Jeanne | Monograph or Collective Volume | Gifford & Craven | 1973 |
| Kinsale : the Spanish intervention in Ireland at the end of the Elizabethan wars | Silke, John J. | Monograph or Collective Volume | University P. | 1970 |
| Knights' fees in counties Wexford, Carlow and Kilkenny, 13th-15th century | | Monograph or Collective Volume | The Stationery Office [for the Irish Manuscripts Commission] | 1950 |
| L'aventure de James Fitzmaurice, 'généralissime du pape' (1570-1579) | De la Roche, C. | Article in Journal | | 1931 |
| L'émigration irlandaise et les prêtres irlandais en France | Eliot, François | Article in Book | | 1978 |
| L'Empire britannique, son évolution politique et constitutionelle | Magnan de Bornier, J. | Monograph or Collective Volume | | 1930 |
| L'enseignement des maîtres irlandais dans l'Europe continentale du IXe siècle | Holtz, Louis | Article in Book | | 1991 |
| L'épopée celtique d'Irlande | Markale, Jean | Monograph or Collective Volume | | 1971 |
| L'Évolution de l'Empire britannique, 2 vols. | Chevalier, Jean Jacques | Monograph or Collective Volume | | 1931 |
| L'évolution politique de l'Angleterre moderne, 1485-1660 | Braure, MauriceCahen, Lëon | Monograph or Collective Volume | | 1960 |
| L'importation en France au dix-huitième siècle du boeuf salé d'Irlande | Vignols, Léon | Article in Journal | | 1928 |
| L'Irlande | Rivoallan, A. | Monograph or Collective Volume | | 1934 |
| L'Irlande contemporaine et la question irlandaise | Paul-Dubois, Louis | Monograph or Collective Volume | | 1907 |
| L'Irlande de Ptolémée | Berthelot, André | Article in Journal | | 1933 |
| L'Irlande et la théorie médiévale des 'trois ordres' | Dubuison, D. | Article in Journal | | 1975 |
| L'Irlande et le romantisme : la littérature irlandaise-anglaise de 1789 à 1850 et sa place dans le mouvement occidentale | Rafroidi, Patrick | Monograph or Collective Volume | Editions Universitaires | 1972 |
| L'Irlande sociale, politique et religieuse. 2 vols. | La Bonninière de Beaumont, G. A. de | Monograph or Collective Volume | | 1839 |
| L'Irlande. Vol. 1, Milieu et histoire | Guiffan, JeanVerrière, Jacques | Monograph or Collective Volume | | 1970 |
| La cuestión agraria en Irlanda : su historia y estado actual | Jordana de Pozas, Luis | Monograph or Collective Volume | | 1916 |
| La cultura irlandese precarolingia : miracolo o mito? | Coccia, Edmondo | Article in Journal | | 1967 |
| La France et l'Irlande pendant la révolution | Guillon, Édouard | Monograph or Collective Volume | | 1888 |
| La grande famine d'Irlande | Boué, André | Article in Journal | | 1969 |
| La missione di Sir Kenelm Digby all corte di Innocenze X, 1645-1648 | Gabrieli, V. | Article in Book | | 1954 |
| La propagation en Irlande des idées de la révolution française | Calkin, Homer L. | Article in Journal | | 1955 |
| La révolte irlandaise (1641-1650) | Sturdy, D. J. | Article in Journal | | 1978 |
| La sculpture irlandaise à la fin du moyen âge | Duport, Marie | Article in Journal | | 1934 |
| La sublevación de Shane O'Neil contra Isabel de Inglaterra | Fernández, M. | Article in Journal | | 1950 |
| La transformation de la géographie politique de l'Irlande au 17e siècle dans les cartes et essais anthropogéographiques de Sir William Petty 2 vols. | Goblet, Y. M. | Monograph or Collective Volume | | 1930 |
| Labour and partition : the Belfast working class, 1905-1923 | Morgan, Austen | Monograph or Collective Volume | Pluto | 1991 |
| Labour and partition : the Belfast working class, 1905-1933 | Morgan, Austen | Monograph or Collective Volume | | 1991 |
| Labour in the post-independence Irish State : an overview | Hutton, Seán | Article in Book | | 1991 |
| Labour specialization and the Irish economy in 1841 : an aggregate operational analysis | Almquist, E. L. | Article in Journal | | 1983 |
| Lady Gregory : the woman behind the Irish renaissance | Kohfeldt, M. L. | Monograph or Collective Volume | | 1985 |
| Lake-names on Mercator's map of Ireland | Mac Aodha, Breandán S. | Article in Journal | | 1988 |
| Lancashire and the new unionism : the Unionist party and the growth of popular politics, 1906-1914 | Dutton, David J. | Article in Journal | | 1981 |
| Land and lordship in sixteenth and early seventeenth-century Ireland | O'Dowd, Mary | Article in Book | | 1988 |
| Land and people, c.1600 | Butlin, Robin Alan | Article in Book | | 1976 |
| Land and people, c.1841 | Freeman, T. W. | Article in Book | | 1989 |
| Land inheritance in early modern Sligo | O'Dowd, Mary | Article in Journal | | 1983 |
| Land League power : the Tralee poor-law election of 1881 | Feingold, W. L. | Article in Book | | 1983 |
| Land occupation and ownership in Kenmare, Bonane and Tuosist, 1598-1716 | Lyne, G. J. | Article in Journal | | 1982 |
| Land ownership in east Waterford, 1640-1703 | Carroll, J. S. | Article in Journal | | 1979 |
| Land tenure in Kenmare and Tuosist, 1696-c.1716, with notes on the tenants and their holdings | Lyne, G. J. | Article in Journal | | 1977 |
| Land tenure in Kenmare, Bonane and Tuosist, 1720-70 | Lyne, G. J. | Article in Journal | | 1978 |
| Land tenures, enclosures and field patterns in Co. Derry in the eighteenth and nineteenth centuries | Currie, E. A. | Article in Journal | | 1976 |
| Land use in medieval Ireland : a review of the documentary evidence | Jäger, H. | Article in Journal | | 1983 |
| Land war and eviction in Derryveagh, 1840-65 | Dolan, Liam | Monograph or Collective Volume | Annaverne Press | 1980 |
| Land, people and politics : a history of the land question in the United Kingdom, 1878-1952 | Douglas, Roy | Monograph or Collective Volume | Allison and Busby | 1976 |
| Land, politics and agricultural development | Commins, P. | Article in Book | | 1982 |
| Land-transfer in sixteenth-century Thomond : the case of Domhnall Óg Ó Cearnaigh | Mac Niocaill, Gearóid | Article in Journal | | 1977 |
| Landlord and tenant on the estate of Trinity College, Dublin, 1851-1903 | Lowe, W. J. | Article in Journal | | 1976 |
| Landlord and tenant relations in Ireland between the famine and the land war 1850-1878 | Vaughan, W. E. | Article in Book | | 1977 |
| Landlord domination in nineteenth-century Ireland | Clark, Samuel | Article in Journal | | 1988 |
| Landlord indebtedness in Ulster in the seventeenth and eighteenth centuries | Roebuck, P. | Article in Book | | 1982 |
| Landlord influence at elections in Ireland, 1760-1885 | Whyte, J. H. | Article in Journal | | 1965 |
| Landlords and tenants | Donnelly, James S., Jr | Article in Book | | 1989 |
| Landlords, planning and urban growth in eighteenth and early nineteenth-century Ireland | Graham, B. J. (Brian J.)Proudfoot, Lindsay J. | Article in Journal | | 1992 |
| Landlords, society and electoral politics in mid-nineteenth-century Ireland | Hoppen, K. Theodore, 1941- | Article in Book | | 1987 |
| Landlords, society and electoral politics in mid-nineteenth-century Ireland | Hoppen, K. Theodore, 1941- | Article in Journal | | 1977 |
| Landowners in Scotland, Ireland and Denmark in the age of improvement | Smout, Thomas Christopher | Article in Journal | | 1987 |
| Landownership and power in nineteenth-century Ireland : the decline of an elite | Hoppen, K. Theodore, 1941- | Article in Book | | 1991 |
| Landscape archaeology in Ireland | | Monograph or Collective Volume | BAR | 1983 |
| Landscape development in south Derry in the eighteenth century | Currie, A. | Article in Journal | | 1979 |
| Language and literature | Bliss, Alan J. | Article in Book | | 1984 |
| Language in Ulster, 1820-50 | Adams, G. B. (George B.) | Article in Journal | | 1973 |
| Languages in contact : some problems of Hiberno-English | Bliss, Alan J. | Article in Journal | | 1972 |
| Last words : letters and statements of the leaders executed after the rising at Easter 1916 | MacLochlainn, P. F. | Monograph or Collective Volume | | 1990 |
| Late eighteenth-century politicization in Ireland : problems in its study and its French links | Cullen, L. M. (Louis Michael) | Article in Book | | 1991 |
| Late medieval crosses in county Meath, c. 1470-1635 | King, H. A. | Article in Journal | | 1984 |
| Late-thirteenth-century Ireland as a region | Russell, Josiah Cox | Article in Journal | | 1966 |
| Later Eoganacht pedigrees | Ó Corráin, Donnchadh | Article in Journal | | 1969 |
| Later medieval castles | Johnson, D. N. | Article in Book | | 1991 |
| Later relations between the Primate Peter Lombard and Hugh O'Neill | Silke, John J. | Article in Journal | | 1955 |
| Later Victorian Britain | | Monograph or Collective Volume | | 1988 |
| Latin and Irish in the Annals of Ulster, A.D. 431-1050 | Dumville, David N. | Article in Book | | 1982 |
| Latin quotations in 'Parliament na mBan' | Killeen, J. F. | Article in Journal | | 1977 |
| Lattice-works, open and closed : some reflections on diocesan archives | Silke, John J. | Article in Journal | | 1990 |
| Laud Misc. 610 | Dillon, Myles | Article in Journal | | 1963 |
| Laurence Nihell (1726-95), bishop of Kilfenora and Kilmacduagh | Mitchell, James | Article in Journal | | 1975 |
| Laurence Richardson, O.P., bishop of Kilmore, 1747-53 | Fenning, Hugh | Article in Journal | | 1968 |
| Laurent O'Toole, archevêque du Dublin | Legris, Albert | Monograph or Collective Volume | | 1908 |
| Laurentius von Dublin und das irische Normannentum | O'Doherty, J. F. | Monograph or Collective Volume | | 1933 |
| Law, Order and Popular Protest in Early Eighteenth-Century Ireland : The Case of the Houghers | Connolly, Sean J. | Article in Book | | 1985 |
| Lawyers in early Ireland | Breatnach, Liam | Article in Book | | 1990 |
| Le corps irlandais au service de la France sous le consulat et l'empire | Carles, P. | Article in Journal | | 1976 |
| Le corsaire François Thurot et l'expédition de Carrickfergus en Irlande, (1759-1760) | Malo, Henri | Article in Journal | | 1918 |
| Le jardin irlandais des supplices : la grande rebellion de 1641 vue à travers les pamphlets anglais | Loupès, Philippe | Article in Book | | 1991 |
| Le lettere inedite di Luca Wadding ad Antonio Caracciolo e la riforma liturgica di Urbano VIII | | Article in Journal | | 1973 |
| Le livre de la description des pays | Hamy, E. T.Le Bouvier, Gilles | Monograph or Collective Volume | | 1908 |
| Le martyrologe de Tallaght | Grosjean, Paul | Article in Journal | | 1933 |
| Le Molière du 20e siècle : Bernard Shaw | Hamon, A. F. A. | Monograph or Collective Volume | | 1913 |
| Le money del Oraylly (O'Reilly's money) | Dolley, MichaelSeaby, W. A. | Article in Journal | | 1967 |
| Le nom celtique du canton en Gaule et en Grande Bretagne | Quentel, Paul | Article in Journal | | 1973 |
| Le primer report des cases et matters en ley resolues et adiudges en las court del roy en Ireland : collect et digest per Sir John Davys | Davies, John | Monograph or Collective Volume | | 1615 |
| Le Tractatus de Purgatorio Sancti Patricii de H. de Saltrey : sa date et ses sources | de Pontfarcy, Yolande | Article in Journal | | 1984 |
| Le vocabulaire de scribe irlandais | Lambert, Pierre-Yves | Article in Book | | 1991 |
| Leabhar Branach : the book the O'Byrnes | | Monograph or Collective Volume | Institute for Advanced Studies | 1944 |
| Leabhar Breac, the Speckled Book, otherwise styled Leabhar Mór Dúna Doighre, the Great Book of Dún Doighre | Anonymous | Monograph or Collective Volume | | 1876 |
| Leabhar Chloinne Suibhne : an account of the Mac Sweeney families in Ireland, with pedigrees | | Monograph or Collective Volume | | 1920 |
| Leabhar na nUrnaightheadh gComhchoidchiond | | Monograph or Collective Volume | | 1608 |
| Leabhuir na Sein-Tiomna ... tre chúram ... Uilliam Bedel | Anonymous | Monograph or Collective Volume | | 1685 |
| Leagan cainte in Párliament na mBan | Williams, N. J. A. | Article in Journal | | 1978 |
| Léann agus diagacht phrotastúnach in Éirinn, 1500-1700 | Ó Glaisne, Risteárd, 1927-2003 | Article in Book | | 1988 |
| Lebor na Cert | | Monograph or Collective Volume | Educational Company of Ireland | 1962 |
| Lecky and Dicey : English and Irish histories | Pilling, Norman | Article in Journal | | 1981 |
| Lecky's Leaders of public opinion in Ireland | McCartney, Donal | Article in Journal | | 1964 |
| Lectures on the manuscript materials of ancient Irish history: delivered at the Catholic University of Ireland during the sessions of 1855 and 1856 | O'Curry, Eugene | Monograph or Collective Volume | James Duffy | 1861 |
| Legal aspects of the Irish secret service fund, 1793-1833 | McEldowney, J. F. | Article in Journal | | 1986 |
| Leinster states and kings in Christian times | Walsh, Paul, Revd, 1885-1941 | Article in Journal | | 1939 |
| Les aventures démographiques comparées de la France et de l'Irlande (XVIIIe-XXe siècles) | Dupquier, J. | Article in Journal | | 1978 |
| Les chrétientés celtiques | Gougaud, Louis | Monograph or Collective Volume | | 1911 |
| Les débuts de l'art cistercien en Irlande d'après les vestiges des abbayes de Mellifont (Louth) et de Baltinglass (WIcklow) | Beuer-Szlechter, H. V. | Article in Journal | | 1970 |
| Les diocèses d'Irlande jusqu'au XVe siècle | Millett, Benignus | Article in Journal | | 1985 |
| Les Grammairiens Hiberno-Latins étaient-ils des Anglo-Saxons? | Holtz, Louis | Article in Journal | | 1983 |
| Les invasions d'Irlande pendant la Révolution française | Calkin, Homer L. | Article in Journal | | 1955 |
| Les Irlandais et les princes carolingiens aux VIIIe et IXe siècles | Riché, Pierre | Article in Book | | 1982 |
| Les moulins en Irlande et l'aventure de Ciarnot | Vendryes, Joseph | Article in Journal | | 1921 |
| Les projets de descente en Irlande et les réfugiés irlandais et anglais en France sous la Convention, d'après des documents inédits | Woodward, L. D. | Article in Journal | | 1931 |
| Les saintes irlandais hors d'Irlande, étudiés dans le culte et dans la dévotion traditionelle | Gougaud, Louis | Monograph or Collective Volume | | 1936 |
| Let sects and Parties fall : A short history of the Association of Churches of Christ in Great Britain and Ireland | Thompson, David Michael | Monograph or Collective Volume | Berean Press | 1980 |
| Letter from Domnal O'Neill to Fieneen Mac Carthy, 1317 | | Article in Journal | | 1926 |
| Letter from the archbishops of Tuam and Dublin to William Marshall, earl of Pembroke, requiring him to restore the possessions of the bishopric of Ferns...1216 | | Article in Journal | | 1864 |
| Letter-book of the earl of Clanricarde : 1643-47 | | Monograph or Collective Volume | | 1983 |
| Letters and memorials of state ... written and collected by Sir Henry Sidney ... Sir Philip Sidney and his brother Sir Robert Sidney ... transcribed from the originals at Penshurst Place in Kent ... and his Majesty's office of papers and records. 2 vols. | | Monograph or Collective Volume | | 1746 |
| Letters and papers relating to the Irish Rebellion between 1642-46 | | Monograph or Collective Volume | The Stationery Office [for the Irish Manuscripts Commission] | 1936 |
| Letters concerning the trade and manufactures of Ireland, principally so far as the same relate to the making of iron in this kingdom | O'Brien, Lucius, Sir | Monograph or Collective Volume | | 1785 |
| Letters from an Armenian in Ireland to his friends in Trebisonde | Anonymous | Monograph or Collective Volume | | 1756 |
| Letters from Bartholomew van Homrigh to General Ginkel, earl of Athlone, 1692 to 1700 : from the Huisarchief Amerongen, Amerongen castle, near Utrecht | | Article in Journal | | 1986 |
| Letters from Connaught to a Wild Goose | De Breffny, Brian | Article in Journal | | 1978 |
| Letters from Georgian Ireland : the correspondence of Mary Delany, 1731-1768 | | Monograph or Collective Volume | | 1991 |
| Letters of Lord Longford and others on Irish affairs, 1687-1702 : Ellis Papers, BL MS | | Article in Journal | | 1985 |
| Letters of Orellana, an Irish helot, to the seven northern counties not represented in the national assembly of delegates held at Dublin, October 1784-1785 | [Drennan, William] | Monograph or Collective Volume | | 1785 |
| Letters of Owen Roe O'Nial | [Pollock, Joseph] | Monograph or Collective Volume | | 1779 |
| Letters of Pope Innocent III to Ireland : a calendar supplementary to that of Calendar of Papal Registers I (ed. W.H. Bliss) | Dunning, J. | Article in Journal | | 1947 |
| Letters of Pope Innocent IV relating to Ireland | | Article in Journal | | 1959 |
| Letters patent to Sir Edward Blaney, dated 18 June 1612 | Coyle, Michael | Article in Journal | | 1979 |
| Letters to the inhabitants of ... Newry | Anonymous | Monograph or Collective Volume | | 1793 |
| Letters written by his excellency, Hugh Boulter, D.D., lord primate of all Ireland, etc. 2 vols. | Boulter, Hugh | Monograph or Collective Volume | | 1770 |
| Letters, speeches and tracts on Irish affairs by Edmund Burke | | Monograph or Collective Volume | | 1881 |
| Li romans de Durmart le Galois | | Monograph or Collective Volume | | 1873 |
| Liber Dubliniensis : chapter documents of the Irish Franciscans, 1719-1875 | | Monograph or Collective Volume | Franciscan Friary | 1978 |
| Liber Lovaniensis : a collection of Irish Franciscan documents, 1629-1717 | | Monograph or Collective Volume | Clonmore & Reynolds | 1956 |
| Liber primus Kilkenniensis | | Monograph or Collective Volume | Kilkenny Journal | 1961 |
| Liber primus Kilkenniensis : the earliest of the books of the Corporation of Kilkenny now extant | | Monograph or Collective Volume | | 1931 |
| Liberalism in north Antrim, 1900-14 | McMinn, J. R. B. | Article in Journal | | 1982 |
| Liberty and Catholic politics, 1790-1990 | O'Ferrall, Fergus | Article in Book | | 1991 |
| Library history research in Ireland, 1918-1988 | Brown, Barbara Traxler | Article in Journal | | 1990 |
| Life and times of Dr Patrick O'Donnelly, 1649-1716 | McRory, Michael | Article in Journal | | 1969 |
| Life and writings of William Preston, 1753-1807 | | Article in Journal | | 1942 |
| Life in Wexford Port 1600-1800 | Furlong, N. | Article in Book | | 1987 |
| Life of Sir William Rowan Hamilton. 3 vols. | Graves, R. P. | Monograph or Collective Volume | | 1882 |
| Life of St Laurence O'Toole, archbishop of Dublin, 1128-1180 | Legris, Albert | Monograph or Collective Volume | | 1914 |
| Life of the Right Honourable John Philpot Curran. 2 vols. | | Monograph or Collective Volume | | 1819 |
| Life of Theobald Wolfe Tone ... written by himself and continued by his son. 2 vols. | | Monograph or Collective Volume | | 1826 |
| Limerick tokens of the seventeenth century | Marrinan, S. | Article in Journal | | 1989 |
| Limerick, Killaloe, and Kells, 1194-1250 | | Article in Journal | | 1977 |
| Lisburn seventeenth century tokens | Heslip, Robert | Article in Journal | | 1986 |
| Lismore papers viz. Autobiographical notes, Remembrances, and Diaries of Sir Richard Boyle, First and 'Great' Earl of Cork, never before printed. 10 vols. | | Monograph or Collective Volume | | 1886 |
| Lismore papers. 1st ser., 5 vols.; 2nd ser., 5 vols. 10 vols. | | Monograph or Collective Volume | | 1886 |
| List of books and articles on agrarian history issued since June 1967 | Beecham, H. A. | Article in Journal | | 1969 |
| List of books and articles on agrarian history issued since June 1969 ... June 1970 | | Article in Journal | | 1972 |
| List of books and articles on agrarian history issued since Sept. 1960; Sept. 1961; Sept. 1962 | Thirsk, Joan | Article in Journal | | 1964 |
| List of books and pamphlets on agrarian history 1985 | Morris, V. J.Orton, D. J. | Article in Journal | | 1986 |
| List of books and pamphlets on agrarian history 1991 | | Article in Journal | | 1992 |
| List of books and pamphlets on agrarian history, 1989 | | Article in Journal | | 1990 |
| List of books and pamphlets on agrarian history, 1990 | | Article in Journal | | 1991 |
| List of books and pamphlets printed in Armagh in the eighteenth century. | Dix, E. R. McC. (Ernest Reginald McClintock), 1857-1936 | Monograph or Collective Volume | | 1910 |
| List of books, newspapers and pamphlets printed in Ennis, Co. Clare in the eighteenth century | Dix, E. R. McC. (Ernest Reginald McClintock), 1857-1936 | Monograph or Collective Volume | | 1912 |
| List of books, newspapers, pamphlets, &c. printed in Londonderry from the earliest period to 1800 | Dix, E. R. McC. (Ernest Reginald McClintock), 1857-1936 | Monograph or Collective Volume | | 1911 |
| List of books, pamphlets and newspapers printed in Drogheda, Co. Louth, to the end of the eighteenth century. | Dix, E. R. McC. (Ernest Reginald McClintock), 1857-1936 | Monograph or Collective Volume | | 1911 |
| List of books, pamphlets and newspapers printed in Monaghan in the eighteenth century | Dix, E. R. McC. (Ernest Reginald McClintock), 1857-1936 | Monograph or Collective Volume | | 1911 |
| List of books, pamphlets, and newspapers printed in Limerick from the earliest period to 1800 | Dix, E. R. McC. (Ernest Reginald McClintock), 1857-1936 | Monograph or Collective Volume | | 1907 |
| List of books, tracts, broadsides, &c., printed in Dublin from 1601-1700. 4 parts, supplement [of additions to parts 1-4] | | Monograph or Collective Volume | | 1912 |
| List of Irish material in the class of Chancery Files (Recorda) (C.260) Public Record Office, London | Connolly, Philomena | Article in Journal | | 1984 |
| List of publications on the economic and social history of Great Britain and Ireland published in 1974 | | Article in Journal | | 1975 |
| List of publications on the economic and social history of Great Britain and Ireland published in 1987 | | Article in Journal | | 1988 |
| List of publications on the economic and social history of Great Britain and Ireland published in 1988 | | Article in Journal | | 1989 |
| List of publications on the economic and social history of Great Britain and Ireland published in 1989 | | Article in Journal | | 1990 |
| List of publications on the economic and social history of Great Britain and Ireland published in 1990 | | Article in Journal | | 1991 |
| Literacy in Ireland : the evidence of the Patrick dossier in the Book of Armagh | Stevenson, Jane | Article in Book | | 1990 |
| Literacy in north-west Ulster 1680-1860 | Kirkham, G. | Article in Book | | 1990 |
| Literary creation and Irish historical tradition | Ó Cuív, Brian | Article in Journal | | 1965 |
| Literary life in eighteenth-century Ireland | Beckett, J. C. (James Camlin) | Article in Book | | 1979 |
| Literary tradition in the Old Norse and Celtic world | Chadwick, Nora Kershaw, 1891-1972 | Article in Journal | | 1955 |
| Literature in English, 1801-1891 | Flanagan, Thomas | Article in Book | | 1989 |
| Literature in Irish, 1169-1534 | Carney, James Patrick, 1914-1989 | Article in Book | | 1987 |
| Literature in Norman-French and English | Bliss, Alan J.Long, Julia | Article in Book | | 1987 |
| Little woman | Armytage, W. H. G. | Article in Journal | | 1949 |
| Lives of saints from the Book of Lismore | Stokes, Whitley | Monograph or Collective Volume | | 1890 |
| Living with the troubles : Northern Ireland since 1972 | Harkness, D. W. | Article in Book | | 1989 |
| Locke, Berkeley and Hume as monetary theorists | Johnston, Joseph, 1890- | Article in Journal | | 1940 |
| Logistics and supply in Cromwell's conquest of Ireland | Wheeler, James Scott | Article in Book | | 1991 |
| Londonderry and the London Companies, 1609-1629 : being a survey and other documents submitted to King Charles I by Sir Thomas Phillips | Public Record Office of Northern Ireland | Monograph or Collective Volume | | 1928 |
| Londonderry beseiged [sic] by General Hamilton and Conrard [sic] de Rosen, Mareschall Generall of all the Irish forces, 1689 | Maculloch, Archibald, Capt. | Monograph or Collective Volume | | 1689 |
| Londonderry, 1689 | Hargreaves, Reginald | Article in Book | | 1946 |
| Long forgotten days (leading to Waterloo) | | Monograph or Collective Volume | | 1928 |
| Long Shadows Cast Before : Nine Lives in Ulster, 1625-1977 | Brett, C. E. B. (Charles Edward Bainbridge), Sir, 1928-2005 | Monograph or Collective Volume | Bartholomew | 1978 |
| Lord Broghill, Vincent Gookin and the Cork elections of 1659 | Barnard, T. C. (Toby Christopher) | Article in Journal | | 1973 |
| Lord Broghill, Vincent Gookin, and the Cork election of 1659 | Barnard, T. C. (Toby Christopher) | Article in Journal | | 1973 |
| Lord Deputy Chichester and the English government's "mandates policy" in Ireland, 1605-1607 | McCavitt, John | Article in Journal | | 1991 |
| Lord Donegall and the sale of Belfast : a case history from the Encumbered Estates Court | Maguire, W. A. (William Alexander) | Article in Journal | | 1976 |
| Lord Dunboyne | Kingston, John | Article in Journal | | 1961 |
| Lord Dunboyne | Blackall, Henry, Sir | Article in Journal | | 1963 |
| Lord Edward Fitzgerald | Byrne, Patrick | Monograph or Collective Volume | Talbot Press | 1955 |
| Lord Galway and the penal laws | Kelly, Patrick | Article in Book | | 1987 |
| Lord Glenavy, admitted to Gray's Inn, 1876, Lord Chancellor of Ireland, 1918-21 | Cowper, Francis | Article in Journal | | 1948 |
| Lord Kilmallock's letters to his wife | Simms, J. G. (John Gerald) | Article in Journal | | 1957 |
| Lord Orrery's travels in Kerry, 1735 | Knight of Glin, 1937-2011 | Article in Journal | | 1972 |
| Lords and commons in seventeenth century Mayo | Gillespie, Raymond, 1955-2024 | Article in Book | | 1987 |
| Lorgaireacht an tSoidhigh Naomhtha : an Early Modern Irish translation of the 'Quest of the Holy Grail' | | Monograph or Collective Volume | Institute for Advanced Studies | 1953 |
| Lorrha motte, County Tipperary | Talbot, E. J. | Article in Journal | | 1972 |
| Lost demesnes : Irish landscape gardening, 1660-1845 | Knight of Glin, 1937-2011Malins, E. | Monograph or Collective Volume | Barrie and Jenkins | 1976 |
| Lough Derg in native Irish poetry | Ó Dúshláine, Tadhg | Article in Journal | | 1988 |
| Lough Gur excavations : Carrig Aille and the "Spectacles" | Ó Ríordáin, S. P. | Article in Journal | | 1949 |
| Louis XIV et l'Irlande | Pillorget, René | Article in Journal | | 1992 |
| Loyalty and humanity, or a variety of scenes which a clergyman of the established church and his family evinced and came through in a disturbed part of Ireland ... | McKay, James, Rev. | Monograph or Collective Volume | | 1803 |
| Mac Dalbaig, a Leinster chieftain | Flanagan, Marie Therese | Article in Journal | | 1982 |
| Macariae excidium, or the destruction of Cyprus | O'Callaghan, John Cornelius, 1805-1883O'Kelly, Charles, 1621-1695 | Monograph or Collective Volume | | 1850 |
| Machtalewi, a Leinster chieftain | Brooks, E. St. J. | Article in Journal | | 1941 |
| MacNeill's study of the ancient Irish laws | Binchy, D. A. (Daniel Anthony), 1900-1989 | Article in Book | | 1973 |
| Mad with much heart : a life of the parents of Oscar Wilde | Lambert, Eric | Monograph or Collective Volume | Muller | 1967 |
| Magazinist Maginn | Greer, Patrick | Article in Journal | | 1947 |
| Magna Carta Hiberniae | Richardson, Henry Gerald | Article in Journal | | 1942 |
| Máire Rua : lady of Leamaneh. | MacNeill, MáireMurphy, Maureen | Monograph or Collective Volume | Ballinkella Press | 1990 |
| Making nations : O'Connell, religion and the creation of political identity | Girvin, Brian | Article in Book | | 1991 |
| Making the documents of conquest speak : the transformation of property, society, and settlement in seventeenth-century counties Tipperary and Kilkenny | Smyth, W. J. (William John), 1944- | Article in Book | | 1992 |
| Mallow district in 1775 | Mockler, James | Article in Journal | | 1915 |
| Malone, Belfast : the early history of a suburb | Carleton, T. | Article in Journal | | 1978 |
| Man and Environment in South-West Ireland, 4000 B.C.-A.D. 800 : a study of man's impact on the development of soil and vegetation | Lynch, Ann | Monograph or Collective Volume | BAR | 1981 |
| Man and the Landscape in Ireland | Aalen, F. H. A. | Monograph or Collective Volume | Academic Press | 1978 |
| Manual of Public Health for Ireland | Furlong, R. O'B.Grimshaw, T. W.Moore, J. W.Reynolds, J. E. | Monograph or Collective Volume | | 1875 |
| Manus "the magnificent" : O'Donnell as Renaissance prince | Bradshaw, Brendan, 1937-2017 | Article in Book | | 1979 |
| Manuscripts and incunabula in the library of San Clemente | Boyle, Leonard E. | Article in Book | | 1978 |
| Manuscripts of the right honourable Lord Talbot de Malahide, Malahide Castle, Co. Dublin | Gilbert, J. T. (John Thomas), Sir, 1829-1898 | Article in Book | | 1883 |
| Maol Íosa Ó Brolcháin : an assessment | Ní Bhrolcháin, Muireann | Article in Journal | | 1986 |
| Map of Ireland | Mercator, Gerard | Article in Book | | 1595 |
| Map of Ireland | Vallancey, Charles | Monograph or Collective Volume | | 1793 |
| Map of monastic Ireland. | | Monograph or Collective Volume | | 1964 |
| Map of the county of Westmeath | Larkin, W. | Monograph or Collective Volume | | 1810 |
| Maps of the escheated counties in Ireland, 1609 | | Monograph or Collective Volume | | 1861 |
| Maps of the roads of Ireland, surveyed 1777 | Skinner, AndrewTaylor, George | Monograph or Collective Volume | | 1778 |
| Margaret Anna Cusack : one woman's campaign for women's rights : a biography | Eager, I. F. | Monograph or Collective Volume | | 1979 |
| Margaret Thatcher, the Conservative Party and the Northern Ireland conflict, 1975-1990 | Kelly, Stephen | Monograph or Collective Volume | Bloomsbury Academic | 2021 |
| Maria Edgeworth, 1767-1849. A bibliographical tribute | Slade, B. C. | Monograph or Collective Volume | Constable | 1937 |
| Marianus Scottus als Universalhistoriker iuxta veritatem evangelii | Von den Brincken, Anna-Dorothee | Article in Book | | 1982 |
| Marianus Scotus : scribe and monastic founder | Dilworth, Mark, 1924-2004 | Article in Journal | | 1965 |
| Markets and fairs in Ireland 1600-1800 : index of economic development and regional growth | O'Flanagan, Patrick | Article in Journal | | 1985 |
| Marlborough in Ireland - last sieges of Cork and Kinsale | Cox, G. S. | Article in Journal | | 1948 |
| Marriage entries from the registers of the parishes of St Andrew, St Anne, St Audoen, and St Bride, Dublin, 1632-1800 | | Monograph or Collective Volume | | 1913 |
| Marriage entries in the registers of the parishes of St Marie, St Luke, St Catharine and St Werburgh, 1627-1800 | | Monograph or Collective Volume | | 1915 |
| Marriage in Ireland | | Monograph or Collective Volume | College P. | 1985 |
| Mary : a history of devotion in Ireland | O'Dwyer, Peter | Monograph or Collective Volume | | 1988 |
| Mary in early Irish tradition | O'Dwyer, Peter | Article in Journal | | 1986 |
| Mass politics and sectarian conflict, 1823-1830 | Connolly, Sean J. | Article in Book | | 1989 |
| Material used in Calendar of documents relating to Ireland | Hand, Geoffrey Joseph | Article in Journal | | 1960 |
| Materials for the Dublin Society agricultural survey of County Louth | | Article in Journal | | 1975 |
| Matters relating to the indictments of 'the fugitive earls and their principal adherents' | Harris, F. W. | Article in Journal | | 1983 |
| Matthew Arnold and Ireland | Robbins, William | Article in Journal | | 1947 |
| Maud Gonne : Ireland's Joan of Arc | Ward, Margaret | Monograph or Collective Volume | Pandora | 1990 |
| Maurice O'Connell and the French expedition to Bantry, 1796 | Edwards, R. W. D. (Robert Walter Dudley) | Article in Journal | | 1947 |
| Mausolea in Ulster | Curl, James Stevens | Monograph or Collective Volume | | 1978 |
| Maynooth : students and ordinations 1895-1984 | Hamell, P. J. | Monograph or Collective Volume | | 1984 |
| Maynooth : students and ordinations index 1795-1895 | Hamell, P. J. | Monograph or Collective Volume | Cardinal | 1982 |
| Maynooth and Georgian Ireland | Newman, Jeremiah | Monograph or Collective Volume | Kenny | 1979 |
| Maynooth and Victorian Ireland | Newman, Jeremiah | Monograph or Collective Volume | Kenny's Bookshops & Art Galleries | 1983 |
| Maynooth students and ordinations, 1795-1893 : index | | Article in Journal | | 1968 |
| Mayo and the Jacobite war of 1688-91 | Mulloy, Sheila | Article in Journal | | 1988 |
| Mayo and the rising of 1641 | Gillespie, Raymond, 1955-2024 | Article in Journal | | 1985 |
| Me Guidhir Fearmanach, The Maguires of Fermanagh | | Monograph or Collective Volume | | 1917 |
| Meabhrán dlí ó Mhuintír Eolais, 1497-1513 | | Article in Journal | | 1957 |
| Meal and money : the harvest crisis of 1621-1624 and the Irish economy | Gillespie, Raymond, 1955-2024 | Article in Book | | 1989 |
| Measgra dánta : miscellaneous Irish poems | O'Rahilly, T. F. | Monograph or Collective Volume | | 1927 |
| Measgra i gcuimhne Mhichíl Uí Chléirigh. Miscellany of historical and linguistic studies in honour of Brother Michael Ó Cléirigh, chief of the Four Masters, 1643-1943 | | Monograph or Collective Volume | Assisi Press | 1944 |
| Meath in the Book of Rights | Walsh, Paul, Revd, 1885-1941 | Article in Book | | 1940 |
| Mechanics' Institutes and the attempted diffusion of useful knowledge in Ireland, 1825-79 | Morton, Richard Grenfell | Article in Journal | | 1972 |
| Mechanics' Institutes in Ireland, 1825-1850 | Byrne, K. | Article in Journal | | 1980 |
| Mediaeval dwellings at Caherguillamore, Co. Limerick | Hunt, JohnÓ Ríordáin, S. P. | Article in Journal | | 1942 |
| Mediaeval Ireland : saints and martyrologies : selected studies. | Hennig, JohnRichter, Michael, 1943-2011 | Monograph or Collective Volume | Vaviorum | 1989 |
| Medical Dublin | Logan, Patrick | Monograph or Collective Volume | | 1984 |
| Medical history of the Meath Hospital and County Dublin Infirmary, from its foundation in 1753 down to the present time; including biographical sketches of the surgeons ... with the names of apprentices ... and prizemen; also all students who studied at the Hospital from ... 1838 | Ormsby, Lambert Hepenstal, Sir | Monograph or Collective Volume | Fannin | 1888 |
| Medical services in the armies of the confederate wars (1641-52) | Logan, Patrick | Article in Journal | | 1959 |
| Medieval agriculture and settlement in Oughterard and Castlewarden. Co. Kildare | Hall, David, 1938-Hennessy, MarkO'Keeffe, Tadhg | Article in Journal | | 1985 |
| Medieval Anglo-Irish coins | Dolley, Michael | Monograph or Collective Volume | | 1972 |
| Medieval architecture and the village of Newcastle Lyons | O'Keeffe, Tadhg | Article in Book | | 1986 |
| Medieval Bristol and Dublin | Gwynn, Aubrey | Article in Journal | | 1947 |
| Medieval Britain in 1978, 2 : post-Conquest | Cherry, J. | Article in Journal | | 1979 |
| Medieval cathedral chapters | Hand, Geoffrey Joseph | Article in Journal | | 1956 |
| Medieval coin hoards in north-east Ireland | Seaby, W. A. | Article in Journal | | 1955 |
| Medieval Dublin : a topographical analysis | Simms, Anngret | Article in Journal | | 1981 |
| Medieval Dublin in a European context : from proto-town to chartered town | Simms, Anngret | Article in Book | | 1990 |
| Medieval fonts of Ireland | Pike, H. K. J. | Monograph or Collective Volume | The author | 1989 |
| Medieval fonts of Meath | Roe, H. M. | Monograph or Collective Volume | | 1968 |
| Medieval Frontier Societies | | Monograph or Collective Volume | Clarendon Press | 1989 |
| Medieval Galway : its origins and charter | Mac Niocaill, Gearóid | Article in Book | | 1984 |
| Medieval Ireland 1169-1534 | Cosgrove, Art | Article in Book | | 1981 |
| Medieval Ireland : a view from across the water | Carr, A. D. | Article in Journal | | 1988 |
| Medieval Ireland : the enduring tradition | Richter, Michael, 1943-2011 | Monograph or Collective Volume | | 1988 |
| Medieval Ireland in Cistercian records | Hennig, John | Article in Journal | | 1950 |
| Medieval Ireland, 1169-1534 | Cosgrove, Art | Article in Book | | 1981 |
| Medieval Ireland, c. 1170-1495 : a bibliography of secondary works | Asplin, P. W. A. | Monograph or Collective Volume | Royal Irish Academy | 1971 |
| Medieval Irish cathedral chapters | Nicholls, K. W. (Kenneth W.) | Article in Journal | | 1973 |
| Medieval Irish homilies | Mac Donncha, Frederic | Article in Book | | 1976 |
| Medieval Irish saints' lives : an introduction to 'Vitae Sanctorum Hiberniae' | Sharpe, Richard | Monograph or Collective Volume | | 1991 |
| Medieval Irish settlement : a review | Graham, B. J. (Brian J.) | Monograph or Collective Volume | Geo Abstracts | 1980 |
| Medieval jewellery from Ireland : a preliminary survey | Cherry, John | Article in Book | | 1988 |
| Medieval jug from Castleinch | Prendergast, Ellen | Article in Journal | | 1977 |
| Medieval Knocktopher : a study in manorial settlement | Empey, C. A. (Adrian) | Article in Journal | | 1983 |
| Medieval landscape terms of Ireland : the evidence of Latin and English documents | Jäger, Helmut | Article in Book | | 1988 |
| Medieval Latin Liturgy : A Select Bibliography | Pfaff, Richard William | Monograph or Collective Volume | | 1982 |
| Medieval Leinster dynasties and families : three topographical notes | Nicholls, K. W. (Kenneth W.) | Article in Journal | | 1986 |
| Medieval Meath manuscripts | O'Sullivan, William, 1921-2000 | Article in Journal | | 1985 |
| Medieval medico-philosophical treatises in the Irish language | Shaw, Francis | Article in Book | | 1995 |
| Medieval moated sites in Ireland : some new conclusions on their chronology and function | Barry, Terence B. | Article in Book | | 1988 |
| Medieval pottery imported into Ireland | Hurst, J. G. | Article in Book | | 1988 |
| Medieval regionalism in north County Kerry : concepts and criteria | O'Connor, P. J. | Article in Journal | | 1988 |
| Medieval settlement in county Roscommon | Graham, B. J. (Brian J.) | Article in Journal | | 1988 |
| Medieval settlements in County Meath | Graham, B. J. (Brian J.) | Article in Journal | | 1974 |
| Medieval sources : Registrum Clogherense | | Article in Journal | | 1961 |
| Medieval studies presented to Aubrey Gwynn, S.J. | | Monograph or Collective Volume | Three Candles | 1961 |
| Medieval timber and earthwork fortifications in western Ireland | Graham, B. J. (Brian J.) | Article in Journal | | 1988 |
| Medieval tower houses in the barony of Bunratty Lower | Ryan, Gerrard | Article in Journal | | 1983 |
| Medieval town wall off Lambley's Lane, Cork City | Cleary, R. M. | Article in Journal | | 1988 |
| Meitheal : a study of co-operative labour in rural Ireland | O'Dowd, Anne | Monograph or Collective Volume | Comhairle Bealoideas Éireann | 1981 |
| Members of the Irish parliament, 1784-7 | Johnston, E. M. | Article in Journal | | 1971 |
| Memoir of ... Power le Poer Trench, last Archbishop of Tuam | D'Arcy, Joseph, Sir | Monograph or Collective Volume | | 1845 |
| Memoir of Gabriel Beranger and his labours in the cause of Irish art and antiquities from 1760 to 1780 | Wilde, W. R. W. | Monograph or Collective Volume | | 1880 |
| Memoirs of Richard Whately, Archbishop of Dublin | | Monograph or Collective Volume | Richard Bentley | 1864 |
| Memoirs of the different rebellions in Ireland from the arrival of the English, with a particular detail of that which broke out 23 May, 1798 | Musgrave, Richard, Sir, c.1755-1818 | Monograph or Collective Volume | | 1801 |
| Memoirs of the life and correspondence of the rt. hon. Henry Flood | | Monograph or Collective Volume | | 1838 |
| Memoirs of the life and times of the rt. hon. Henry Grattan. 5 vols. | | Monograph or Collective Volume | | 1839 |
| Memoirs of the marquess of Rockingham and his contemporaries. 2 vols. | | Monograph or Collective Volume | | 1852 |
| Memoirs of the political and private life of James Caulfeild, earl of Charlemont | | Monograph or Collective Volume | | 1810 |
| Memoirs of the twentieth century | Madden, Samuel | Monograph or Collective Volume | | 1733 |
| Memoirs, including particulars of his adventures in various parts of Europe. A short sketch of the history of Ireland particularly as it respects the spirit of British domination in that country | Sampson, William | Monograph or Collective Volume | | 1807 |
| Memorandum on the destruction and reconstruction of the records | Anonymous | Article in Book | | 1922 |
| Memorial of 1784 for a mail packet service between Waterford & Milford | | Article in Journal | | 1914 |
| Memorial on behalf of the native Irish, with a view to their improvement on moral and religious knowledge, through the medium of their own language | Anderson, Christopher | Monograph or Collective Volume | | 1815 |
| Memorials of Adare manor. With historical notices of Adare, edited by [E.R. Wyndham Quin], earl of Dunraven | Wyndham-Quin, Caroline, Countess of Dunraven | Monograph or Collective Volume | | 1865 |
| Men's clothes in Ireland, 1660-1850 | Ffolliott, Rosemary | Article in Journal | | 1972 |
| Mercantilism and Ireland, 1620-40 | Kearney, H. F. | Article in Book | | 1958 |
| Mercator's map of Ireland as a source for mountain-names | Mac Aodha, Breandán S. | Article in Journal | | 1987 |
| Merchant communities overseass, the navigation acts, and Irish and Scottish responses | Cullen, L. M. (Louis Michael) | Article in Book | | 1977 |
| Merchants in plenty : Joseph Smyth's Belfast directories of 1807 and 1808 : with an historical introduction and bibliography of Belfast directories to 1900 | Adams, J. R. R. | Monograph or Collective Volume | | 1991 |
| Merchants, strong farmers and Fenians : the post-Famine political elite and the Irish Land War | Jordan, Donald | Article in Book | | 1987 |
| Mere Irish and Fíor Ghael : studies in the idea of Irish nationality, its development and literary expression prior to the nineteenth century | Leerssen, J. Th. (Joep) | Monograph or Collective Volume | | 1986 |
| Metamorphosis 1603 : dán le hEochaidh Ó hEodhasa | | Article in Journal | | 1978 |
| Metaphysics of George Berkeley (1685-1753), Irish philosopher | Kingston, F. T. | Monograph or Collective Volume | | 1992 |
| Methodism in Galway | Cooney, Dudley A. Levistone | Monograph or Collective Volume | Methodist Church | 1978 |
| Methodism in Irish society, 1770-1830 | Hempton, David | Article in Journal | | 1986 |
| Methodism in Omagh : An historical account of Methodism, over two centuries, in the Omagh and Fintona circuit | Johnston, N.Preston, D. | Monograph or Collective Volume | | 1982 |
| Metra Miscellanea | Baron, Bonaventure | Monograph or Collective Volume | | 1645 |
| Michael Davitt, 1846-1906 : a survey and appreciation | Moody, T. W. (Theodore William), 1907-1984 | Article in Journal | | 1946 |
| Michael MacDonogh, O.P., bishop of Kilmore, 1728-46 | Fenning, Hugh | Article in Journal | | 1966 |
| Micheal Óg Ó Longain (1766-1837) | Ó Murchadha, Tadhg | Article in Book | | 1947 |
| Middlemen | Dickson, David | Article in Book | | 1979 |
| Mide magen chloinne Cuinn | Walsh, Paul, Revd, 1885-1941 | Monograph or Collective Volume | Drogheda Independent | 1930 |
| Migration and economic growth : a study of Great Britain and the Atlantic economy | Thomas, Brinley | Monograph or Collective Volume | | 1954 |
| Migration and economic growth : a study of Great Britain and the Atlantic economy. | Thomas, Brinley | Monograph or Collective Volume | | 1973 |
| Migration and opportunity : a comment | Gillespie, Raymond, 1955-2024 | Article in Journal | | 1986 |
| Migration and opportunity : a further comment | Perceval-Maxwell, Michael | Article in Journal | | 1987 |
| Migration and upward mobility : the Meagher family in Ireland and Newfoundland, 1780-1830 | Mannion, John | Article in Journal | | 1988 |
| Miles Symner and the new learning in seventeenth-century Ireland | Barnard, T. C. (Toby Christopher) | Article in Journal | | 1972 |
| Military service in medieval Ireland | MacNeill, Eoin | Article in Journal | | 1941 |
| Milton's Dublin editor : Edward Hill, MD | Lyons, J. B. (John Benignus) | Article in Book | | 1990 |
| Miracles in the lives of the Irish saints | Ó Briain, F. | Article in Journal | | 1945 |
| Miscellanea hagiographica hibernica : vitae adhuc ineditae sanctorum Mac Creiche Naile Cranat | | Monograph or Collective Volume | | 1925 |
| Miscellanea Melchor de Pobladura. 2 vols. | | Monograph or Collective Volume | | 1964 |
| Miscellanea Vaticano-Hibernica | | Article in Journal | | 1917 |
| Miscellaneous Irish annals, A.D. 1114-1437 | | Monograph or Collective Volume | Institute for Advanced Studies | 1947 |
| Miscellany from H.2.7 | | Article in Journal | | 1939 |
| Miscellany of the Celtic Society | | Monograph or Collective Volume | | 1849 |
| Mission and monasticism in the Confessio of Patrick | Herren, Michael | Article in Book | | 1989 |
| Mitteilungen aus irischen Handschriften | | Article in Journal | | 1912 |
| Moated sites and deserted boroughs and villages : two neglected aspects of Anglo-Norman settlement in Ireland | Glasscock, Robin E. | Article in Book | | 1970 |
| Moated sites in Ireland | Barry, Terence B. | Article in Book | | 1978 |
| Modern Ireland, 1600-1972 | Foster, R. F. (Robert Fitzroy) (Roy), 1949- | Monograph or Collective Volume | Allen Lane | 1988 |
| Modern Ireland, 1850-1950 | Tierney, Mark | Monograph or Collective Volume | Gill & Macmillan | 1972 |
| Modus tenendi parliamentum : Irish or English? | Sayles, George Osborne | Article in Book | | 1981 |
| Monaghan in the eighteenth century | Rushe, Denis Carolan | Monograph or Collective Volume | | 1916 |
| Monastic sites in the West of Ireland | O'Kelly, M. J. (Michael Joseph) | Article in Journal | | 1974 |
| Monasticon Praemonstratense. 3 vols. | Backmund, Norbert | Monograph or Collective Volume | | 1949 |
| Money of necessity issued in Ireland in the reign of Charles I | Smith, Aquilla | Article in Journal | | 1860 |
| Money of necessity issued in Ireland in the reign of James II | Smith, Aquilla | Article in Journal | | 1870 |
| Monument to Sir Thomas Cusack | Hickey, Elizabeth | Article in Journal | | 1971 |
| Monumental inscriptions from Esker, co. Dublin | McAuliffe, E. J.Walton, J. C. | Article in Journal | | 1980 |
| Monumental inscriptions from Lucan | McAuliffe, E. J.Walton, J. C. | Article in Journal | | 1979 |
| Monumental inscriptions from Palmerstown | McAuliffe, E.Walton, J. | Article in Journal | | 1978 |
| Monumental inscriptions in the church and graveyard of Agher, Co. Meath | Kenny, M.Moore, B. F. E. | Article in Journal | | 1978 |
| More Irish families | MacLysaght, Edward | Monograph or Collective Volume | O'Gorman | 1960 |
| More Penn correspondence : Ireland 1669-70 | | Article in Journal | | 1949 |
| Morris of Ballybeggan and Castle Morris | Massue de Ruvigny, Melville Amadeus Henry Douglas Heddle de la Caillemotte de, Marquis de Ruvigny et Raineval | Monograph or Collective Volume | | 1904 |
| Motes and Norman castles in Ossory | Orpen, G. H. (Goddard Henry), 1852-1932 | Article in Journal | | 1909 |
| Mother Ireland | Daly, Eugene | Article in Journal | | 2012 |
| Motte-castles in Ireland | Armitage, Ella Sophia, 1841-1931 | Article in Book | | 1912 |
| Mountiford Longfield's appointment to the chair of political economy in Trinity College, 1832 | Murphy, A. E. | Article in Journal | | 1983 |
| Mountifort Longfield, 1802-1884 : economist and lawyer | Tait, A. A. | Article in Journal | | 1982 |
| Mountjoy : Elizabethan general | Falls, Cyril Bentham | Monograph or Collective Volume | Odhams P. | 1955 |
| Mountjoy as a soldier | Falls, Cyril Bentham | Article in Journal | | 1954 |
| Mountjoy, 1563-1606 : the last Elizabethan deputy | Jones, F. M. | Monograph or Collective Volume | Clonmore & Reynolds | 1958 |
| Moutray of Seafield and Roscobie, now of Favour Royal, Co. Tyrone : an historical and genealogical memoir of the family in Scotland, England, Ireland and America | Massue de Ruvigny, Melville Amadeus Henry Douglas Heddle de la Caillemotte de, Marquis de Ruvigny et Raineval | Monograph or Collective Volume | | 1902 |
| Mr Punch and Daniel O'Connell | Petuchowski, Elizabeth | Article in Journal | | 1972 |
| Mr. Burke's imperial mentality and the proposed Irish absentee tax of 1773 | Mahoney, T. H. D. | Article in Journal | | 1956 |
| Mr. de Valera's Dominion : Irish Relations with Britain and the Commonwealth, 1932-1938 | Harkness, D. W. | Article in Journal | | 1970 |
| Mrs. Delany : an eighteenth-century Handelian | Myers, R. M. | Article in Journal | | 1946 |
| Muircheartach Ó Domhnalláin, easbog Chluain Fearta, 1695-1706 | Mac Fhinn, Pádraig Eric, 1895-1987 | Article in Journal | | 1952 |
| Muirchertach Ua Briain, politics and naval activity in the Irish Sea, 1075-1119 | Candon, Anthony | Article in Book | | 1988 |
| Muiris Ó Gormáin's English-Irish phrasebook | McCaughey, T. P. | Article in Journal | | 1967 |
| Multi-Level Governance and Northern Ireland | Birrell, DerekGormley-Heenan, Cathy | Monograph or Collective Volume | Palgrave MacMillan | 2015 |
| Municipal government in Ireland : mediaeval and modern | Webb, J. J. | Monograph or Collective Volume | | 1918 |
| Municipal politics and popular disturbances, 1660-1800 | Murphy, Seán | Article in Book | | 1988 |
| Municipal reform and the repeal movement in Cork, 1833-1844 | Cronin, Maura (née Murphy) | Article in Journal | | 1976 |
| Murder as a metaphor : Griffin's portrayal of Ireland in the year of Catholic emancipation | Dunne, Tom, 1942-2025 | Article in Book | | 1986 |
| Music in eighteenth-century Dublin | Boydell, Brian | Article in Book | | 1979 |
| Musical instruments in Ireland from the ninth to the fourteenth centuries | Buckley, Ann | Article in Book | | 1990 |
| Mutiny in Bantry Bay, 1799 | Jones, E. H. S. | Article in Journal | | 1951 |
| My Irish journal, 1669-70 | Grubb, IsobelPenn, William | Monograph or Collective Volume | Longmans | 1952 |
| My naval life, 1886-1941 | Boyle, W. H. D., Earl of Cork and Orrery | Monograph or Collective Volume | | 1942 |
| Mythical Ireland : new light on the ancient past (revised and expanded version) | Murphy, Anthony | Monograph or Collective Volume | The Liffey Press | 2021 |
| Na Stíobhartaigh agus an taos léinn : Cing Séamas | Ó Buachalla, Breandán | Article in Journal | | 1983 |
| Naemsenchus Náemh nÉrenn | Grosjean, Paul | Article in Book | | 1931 |
| Nathaniel Clements and some 18th-century Irish houses | Knight of Glin, 1937-2011 | Article in Journal | | 1966 |
| Nathaniel Hone the younger | Campbell, Julian | Monograph or Collective Volume | | 1991 |
| Nation building and the Irish Language Revival Movement | Cronin, S. | Article in Journal | | 1978 |
| National Commercial Bank of Scotland Ltd. | Anonymous | Article in Journal | | 1969 |
| National festivals, the state and "protestant ascendancy" in Ireland, 1790-1829 | Hill, Jacqueline R. | Article in Journal | | 1984 |
| National libraries of the world : their history, administration and public services | Esdaile, Arundell James Kennedy | Monograph or Collective Volume | | 1934 |
| National Library of Ireland : catalogue of topographical prints and original drawings. | Elmes, R. M.Hewson, Michael | Monograph or Collective Volume | | 1975 |
| National politics and local realities in mid-nineteenth-century Ireland | Hoppen, K. Theodore, 1941- | Article in Book | | 1979 |
| Nationale Organisationen in Irland 1801-1921 | Alter, P. | Article in Book | | 1978 |
| Nationalism and popular protest in Ireland | | Monograph or Collective Volume | Cambridge University Press | 1987 |
| Nationalism and the Irish peasant, 1800-48 | Brown, T. N. | Article in Journal | | 1953 |
| Nationalism in Ireland | Boyce, D. G. (David George) | Monograph or Collective Volume | | 1991 |
| Nationalism in Ireland | Boyce, D. G. (David George) | Monograph or Collective Volume | Gill & Macmillan | 1982 |
| Nationalisms and the Crisis of Empire, 1919-1922 | Gallagher, John Andrew, 1919-1980 | Article in Journal | | 1981 |
| Nationalist historiography and the decline of the Irish economy : George O'Brien revisited | Johnson, D. S.Kennedy, Liam, 1946- | Article in Book | | 1991 |
| Nationality and kingship in pre-Norman Ireland | Ó Corráin, Donnchadh | Article in Book | | 1978 |
| Nationality and local politics in late nineteenth-century Ireland : the case of County Westmeath | Murray, A. C. | Article in Journal | | 1986 |
| Native Irish arms and armour in medieval Gaelic literature, 1170-1600 | Harbison, Peter | Article in Journal | | 1977 |
| Native reaction to the westward enterprise : a case-study in Gaelic ideology | Bradshaw, Brendan, 1937-2017 | Article in Book | | 1978 |
| Natives and newcomers : essays on the making of Irish colonial society, 1534-1641 | | Monograph or Collective Volume | Irish Academic Press | 1986 |
| Natives and newcomers in Mayo, 1560-1603 | Cunningham, Bernadette | Article in Book | | 1987 |
| Négociations de M. le Comte d'Avaux en Irlande, 1689-90 : supplementary volume with indexes by Lilian Tate | | Monograph or Collective Volume | The Stationery Office [for the Irish Manuscripts Commission] | 1958 |
| Negotiations between Edward II and John XXII concerning Ireland | Watt, J. A. | Article in Journal | | 1956 |
| Neill Garve : English ally and victim | Falls, Cyril Bentham | Article in Journal | | 1949 |
| Neueste Reise durch England, Schottland, und Irland, haupsächlich in Bezug auf Produkte, Fabriken, und Handlung | Nemnich, P. A. | Monograph or Collective Volume | | 1807 |
| New dates for old songs, 1766-1803 | Shields, Hugh, 1929-2008 | Article in Journal | | 1978 |
| New Gate, Dublin | McNeill, Charles | Article in Journal | | 1921 |
| New information on the development of Ballymacarrett : Lord Templemore's plan of 1853 | Boal, F. W. (Frederick Wilgar)Pringle, M. E.Royle, Stephen A. (Stephen Arthur) | Article in Journal | | 1984 |
| New light on a 10th century find from the west of the county Kilkenny | Dolley, MichaelMartin, J. S. | Article in Journal | | 1960 |
| New light on County Wexford architecture and estates in the seventeenth century | Loeber, Rolf | Article in Journal | | 1988 |
| New light on Palladius | Ó Cróinín, Dáibhí | Article in Journal | | 1986 |
| New Ross in the thirteenth century : an address delivered before the New Ross Literary Society | Orpen, G. H. (Goddard Henry), 1852-1932 | Monograph or Collective Volume | | 1911 |
| New Zealand | Duggan, Eileen | Monograph or Collective Volume | Gill | 1971 |
| New Zealand Catholicism and the Irish issue, 1914-1922 | Sweetman, Rory M. | Article in Book | | 1989 |
| Newcastle as a medieval settlement | Simms, Anngret | Article in Book | | 1986 |
| Newspaper writings, December 1822 - July 1831 | | Monograph or Collective Volume | | 1986 |
| Newspaper writings, December 1847 - July 1873. The collected works of John Stuart Mill | | Monograph or Collective Volume | | 1986 |
| Newspaper writings, January 1835 - June 1847 | | Monograph or Collective Volume | | 1986 |
| Nicholas Slevin, Maynooth professor (1823-9) in the McCormick Papers, 1815-16 | Ó Súilleabháin, Pádraig | Article in Journal | | 1965 |
| Nicholas Walsh and his friends : a forgotten chapter in the Irish Reformation | Quin, C. | Article in Journal | | 1984 |
| Nicolas Mac Maol Íosa, archbishop of Armagh, 1272-1303 | Gwynn, Aubrey | Article in Book | | 1995 |
| Nineteenth century railway politics in the Belfast-Dublin-Enniskillen triangle, with a note on sources | Leckey, J. J. | Monograph or Collective Volume | | 1973 |
| Nipper days | White, Terence De Vere | Article in Journal | | 1966 |
| No hero in the house : Diarmait Mac Murchada and the coming of the Normans to Ireland | Martin, F. X. (Francis Xavier), 1922-2000 | Monograph or Collective Volume | National University of Ireland | 1977 |
| No man's man : a biographical memoir of Joseph Brennan - civil servant & first governor of the Central Bank | Ó Broin, León, 1902-1990 | Monograph or Collective Volume | | 1982 |
| No surrender! : the siege of Londonderry 1689 | Gray, Tony, 1922- | Monograph or Collective Volume | Hamilton | 1975 |
| Non-subscribing presbyterians and the Irish census in the 19th century : an example of confusion for statisticians | Macourt, M. P. A. | Article in Journal | | 1977 |
| Norman French and English languages in Ireland, 1170-1540 | Cahill, Edward | Article in Journal | | 1938 |
| Norman graveslabs from Co. Down | Davies, OliverGeorge, A. H.Others | Article in Journal | | 1947 |
| Norman ringwork castles | Twohig, D. C. | Article in Journal | | 1978 |
| Norman splendour : Duiske abbey, Graignamanagh | Carville, Geraldine | Monograph or Collective Volume | | 1979 |
| Norse Dublin | Curtis, E. | Article in Journal | | 1942 |
| Norse loanwords in Irish | Bugge, A. | Article in Book | | 1912 |
| North country bishop : a biography of William Nicolson | James, F. G. | Monograph or Collective Volume | | 1957 |
| North European pottery imported into Ireland, A.D. 1200-1500 | Wallace, Patrick F. | Article in Book | | 1983 |
| Northern Ireland : a putting together of parts | Aughey, Arthur | Article in Book | | 1992 |
| Northern Ireland : studies in social and economic life | | Monograph or Collective Volume | Gower | 1989 |
| Northern Ireland : the Historical Background to the Present Situation | Acheson, AlanDuke, RosemaryGregory, StephenWilson, Jim | Monograph or Collective Volume | | 1985 |
| Northern Ireland as a problem in the economic war 1932-38 | Johnson, D. S. | Article in Journal | | 1980 |
| Northern Ireland since 1945 | Wichert, Sabine | Monograph or Collective Volume | | 1991 |
| Northern Ireland; its history, resources and people. | Shearman, H. F. | Monograph or Collective Volume | | 1948 |
| Northumbria and the Book of Kells | Brown, T. J. | Article in Journal | | 1972 |
| Nótaí ar Óglaigh, ar Chaithearnigh, ar Mhílístigh is ar Oráistigh Chontae na Gaillimhe | Ó Snodaigh, Pádraig | Article in Journal | | 1980 |
| Notaí éagsúla ar Phairlement Chloinne Tomáis | Williams, N. J. A. | Article in Journal | | 1978 |
| Note of the register of Archbishop Alen | Lawlor, H. J. (Hugh Jackson), 1860-1938 | Article in Journal | | 1907 |
| Note on a massive bronze armlet found in Ireland | Smith, J. A. | Article in Journal | | 1881 |
| Notes d'hagiographie celtique | Grosjean, Paul | Article in Journal | | 1963 |
| Notes d'hagiographie celtique, 48 : Les noms d'Adomnán et de Brendan | Grosjean, Paul | Article in Journal | | 1960 |
| Notes of a short tour through the Midland Counties of Ireland in the summer of 1836, etc. | Noel, Baptist Wriothesley | Monograph or Collective Volume | | 1837 |
| Notes on Irish legal history | Newark, F. H. | Monograph or Collective Volume | Queen's University of Belfast | 1960 |
| Notes on Irish money weights and foreign coin current in Ireland | Westropp, Michael Seymour Dudley | Article in Journal | | 1917 |
| Notes on Latin learning and literature in medieval Ireland | Esposito, M. | Article in Journal | | 1937 |
| Notes on monastic archaeology and the Annals of Ulster, 650-1050 | MacDonald, Aidan | Article in Book | | 1981 |
| Notes on social life and craftwork in Ballygawley | Gillespie, George | Article in Journal | | 1968 |
| Notes on some Irish place names | O'Tuathail, Éamonn | Article in Journal | | 1937 |
| Notes on the Besnard family | Evans, T. E. | Article in Journal | | 1934 |
| Notes on the devolution of title to the manors of Louth, Castlering and Ash, County Louth | Clarke, J. P. | Article in Journal | | 1987 |
| Notes on the family of de Lacy in Ireland | Synott, N. J. | Article in Journal | | 1919 |
| Notes on the historical geography of the Irish iron industry | Andrews, J. H. (John Harwood), 1927-2019 | Article in Journal | | 1956 |
| Notes on the history of Lebor na hUidre | Oskamp, H. P. A. | Article in Journal | | 1967 |
| Notes on the History of Turf as Fuel in Ireland to 1700 AD | Lucas, A. T. | Article in Journal | | 1970 |
| Notes on the Irish coins of James I | Smith, Aquilla | Article in Journal | | 1879 |
| Notes on the Irish hammered coinage | Harris, E. J. | Article in Journal | | 1965 |
| Notes on the Irish house | Campbell, Åke | Article in Journal | | 1938 |
| Notes on the Irish parliament in 1773 | | Article in Journal | | 1942 |
| Notes on the Laud genealogies | Mac Neill, John | Article in Journal | | 1912 |
| Notes on the origins of some important families once possessed of an English, Irish or Scottish baronetage | Telford, Christopher | Article in Journal | | 1934 |
| Notes on the pottery manufacture in Ireland | Westropp, Michael Seymour Dudley | Article in Journal | | 1913 |
| Notes on the scripts and make-up of the Book of Leinster | O'Sullivan, William, 1921-2000 | Article in Journal | | 1966 |
| Notes on the Volunteers, militia, Orangemen and yeomanry of County Roscommon | Snoddy, Oliver | Article in Journal | | 1975 |
| Notes on the volunteers, militia, yeomanry and orangemen of County Louth | Ó Snodaigh, P. | Article in Journal | | 1977 |
| Notes on the Volunteers, militia, yeomanry and Orangemen of County Waterford | Snoddy, Oliver | Article in Journal | | 1975 |
| Notes on the Volunteers, militia, yeomanry, and Orangemen of Co. Meath | Snoddy, Oliver | Article in Journal | | 1978 |
| Notes on the Volunteers, militia, yeomanry, and Orangemen of County Monaghan | Ó Snodaigh, Pádraig | Article in Journal | | 1977 |
| Notes on the Volunteers, militia, yeomanry, Orangemen and fencibles in County Limerick | Snoddy, Oliver | Article in Journal | | 1971 |
| Notes on Volunteers, militia, yeomen and Orangemen of Co. Donegal | Snoddy, Oliver | Article in Journal | | 1969 |
| Notes towards a biographical dictionary of the Irish in Spain : some O'Neills | Walsh, Micheline | Article in Journal | | 1959 |
| Notices of remarkable medieval coins | Lindsay, John | Monograph or Collective Volume | | 1849 |
| Notices of the manor of St Sepulchre, Dublin, in the fourteenth century | | Article in Journal | | 1889 |
| Notices sur les établissements religieux anglais, écossais et irlandais fondés à Paris avant la Révolution | Daumet, Georges | Article in Journal | | 1912 |
| Noveishaia angliiskaia i irlandskaia burzhuaznaia istoriografiia razdela Irlandii | Poliakova, E. I. A. | Article in Journal | | 1980 |
| Novum Castrum McKynegan, Newcastle, County Wicklow | Orpen, G. H. (Goddard Henry), 1852-1932 | Article in Journal | | 1908 |
| Nugent papers | Ainsworth, John F.MacLysaght, Edward | Article in Journal | | 1958 |
| Nunziatura in Irlanda | Aiazzi, Giuseppe | Monograph or Collective Volume | | 1844 |
| Ó Corcora agus an 'Hidden Ireland' | Ó Buachalla, Breandán | Article in Journal | | 1979 |
| Ó Domhnaill's claims for military service | Ó Lochlainn, Colm, 1892-1972 | Article in Journal | | 1961 |
| O'Connell : the life of Daniel O'Connell, 1775-1847 | MacDonagh, Oliver | Monograph or Collective Volume | | 1991 |
| O'Connell and German politics | Alter, Peter | Article in Book | | 1991 |
| O'Connell and La Fontaine. Two national leaders in an age of reform | McDougall, D. J. | Article in Journal | | 1948 |
| O'Connell and the making of Irish political culture | Garvin, Tom | Article in Book | | 1991 |
| O'Connell and the Repeal Party | Blackall, Henry, SirWhyte, J. H. | Article in Journal | | 1960 |
| O'Connell family tracts, 1 | | Monograph or Collective Volume | Browne and Nolan | 1947 |
| O'Connell in Irish folk tradition | Ó Muirithe, Diarmaid | Article in Book | | 1991 |
| O'Connell papers | Anonymous | Article in Book | | 1944 |
| O'Connell's impact on the organisation and development of German political Catholicism | Grogan, Geraldine F. | Article in Book | | 1991 |
| O'Connell, Davis and the Colleges Bill | Gwynn, D. R. (Denis Rolleston), 1893-1972 | Monograph or Collective Volume | Basil Blackwell | 1948 |
| O'Conor's house at Cloonfree | Quiggin, E. C.Ó Dálaigh, Áongus Rúadh | Article in Book | | 1913 |
| O'Donnell genealogies | | Article in Journal | | 1938 |
| O'Donovan Rossa : Irish rebels in English prisons | | Monograph or Collective Volume | | 1991 |
| O'Mellan's account of the battle of Benburb, 1646 | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Book | | 1947 |
| O'Sullivan Beare in Spain : some unpublished documents | Walsh, M. K. | Article in Journal | | 1990 |
| O'Sullivan Bere : the story of the fight for the southern ports and the great retreat | De Blacam, Aodh | Article in Journal | | 1947 |
| Obituary. Most Rev. John Healy, Archbishop of Tuam | Anonymous | Article in Journal | | 1918 |
| Obligationes pro annatis diocesis Ardfertensis | | Article in Journal | | 1958 |
| Obligationes pro annatis diocesis Cassellensis, [1433-1534] | | Article in Journal | | 1966 |
| Obligationes pro Annatis Diocesis Clonfertensis | | Article in Journal | | 1958 |
| Obligationes pro annatis diocesis Cloynensis, [1413-1526] | | Article in Journal | | 1961 |
| Obligationes pro annatis diocesis Corcagiensis | | Article in Journal | | 1970 |
| Obligationes pro annatis diocesis Darensis, 1413-1521 | | Article in Journal | | 1913 |
| Obligationes pro annatis diocesis Dublinensis, 1421-1520 | | Article in Journal | | 1913 |
| Obligationes pro annatis diocesis Elphinensis, [1426-1548] | | Article in Journal | | 1959 |
| Obligationes pro annatis diocesis Fernensis, 1413-1524 | | Article in Journal | | 1955 |
| Obligationes pro annatis diocesis Imelacesis, [1429-1532] | Costello, M. A.Ryan, L.Skehan, W. | Article in Journal | | 1966 |
| Obligationes pro annatis diocesis Laoniensis, 1421-1535 | | Article in Journal | | 1943 |
| Obligationes pro annatis diocesis Limiricensis, 1421-1519 | | Article in Journal | | 1943 |
| Obligationes pro annatis diocesis Lismorensis, 1426-1529 | | Article in Journal | | 1946 |
| Obligationes pro annatis diocesis Ossoriensis, 1413-1531 | | Article in Journal | | 1957 |
| Obligationes pro annatis diocesis Rossensis. [1432-1533] | | Article in Journal | | 1970 |
| Obligationes pro annatis diocesis Waterfordendis, 1421-1507 | | Article in Journal | | 1946 |
| Obligationes pro annatis provinciae Tuamensis (1413-1548) from a transcript by M.A. Costello | | Article in Journal | | 1963 |
| Observations in a voyage through the kingdom of Ireland ... in the year 1681. From the Journal of the Kilkenny & South East of Ireland Archaeological Society | Dineley, ThomasGraves, James | Monograph or Collective Volume | | 1870 |
| Observations on affairs in Ireland ... | Taaffe, Viscount | Monograph or Collective Volume | | 1766 |
| Observations on Mr Archer's statistical survey of the county of Dublin | Dutton, Hely | Monograph or Collective Volume | | 1802 |
| Observations on the brewing trade of Ireland | Anonymous | Monograph or Collective Volume | | 1777 |
| Observations on the manufactures, trade and present state of Ireland. [3 vols.] | Holroyd, John Baker, 1st Earl of Sheffield | Monograph or Collective Volume | | 1785 |
| Observations on the necessity of publishing the scriptures in Irish | Stokes, Whitley | Monograph or Collective Volume | | 1806 |
| Observations on the social habits and dialect of the baronies of Forth and Bargy (commonly called "The English Baronies" in the County of Wexford). By 'an officer of the line' | | Article in Journal | | 1834 |
| Occupants of Ormond houses in Clonmel, 1641 and 20 year later | Marescaux de Saubruit, Geoffrey | Article in Journal | | 1978 |
| Occupants of Ormond houses, Kilkenny, 1641 & 20 years later | Marescaux de Saubruit, Geoffrey | Article in Journal | | 1977 |
| Occupation of Connaught by the Anglo-Normans after A.D. 1237 | Knox, H. T. (Hubert Thomas) | Article in Journal | | 1903 |
| Occupation of the county of Galway by the Anglo-Normans after 1237 | Knox, H. T. (Hubert Thomas) | Article in Journal | | 1901 |
| Of the genus called 'discoverer' | Meagher, John | Article in Journal | | 1955 |
| Official reaction to native land claims in the plantation of Munster | Sheehan, A. J. (Anthony J.) | Article in Journal | | 1983 |
| Oideadh an Athar Uí Shíthigh | De Bhail, Tomás | Monograph or Collective Volume | | 1954 |
| Oireachtas library, list of outlaws, 1641-7 | | Article in Journal | | 1966 |
| Old Chartists, Fenians and new socialists | Newsinger, John | Article in Journal | | 1982 |
| Old Galway : the history of a Norman colony in Ireland | O'Sullivan, M. D. (Mary Donovan) | Monograph or Collective Volume | Heffer | 1942 |
| Old Ireland | | Monograph or Collective Volume | Gill | 1965 |
| Old Ireland and her liturgy | Hennig, John | Article in Book | | 1965 |
| Old Ireland, her scribes and scholars | McNally, Robert | Article in Book | | 1965 |
| Old Ireland, Scotland and Northumbria | Dunleavy, G. W. (Gareth W.) | Article in Book | | 1965 |
| Old Irish buttermaking | Ó Sé, M. | Article in Journal | | 1949 |
| Old Irish cheeses and other milk products | Ó Sé, M. | Article in Journal | | 1948 |
| Old Irish lexical and semantic influence on Hiberno-Latin | Herren, Michael | Article in Book | | 1984 |
| Old Irish links with France : some echoes of exiled Ireland | Hayes, Richard Francis | Monograph or Collective Volume | Gill | 1940 |
| Old Irish personal names | O'Brien, M. A. (Michael Alphonsus) | Article in Journal | | 1973 |
| Old parochial registers of Scotland : references to parishes from Ireland | Whyte, Donald | Article in Journal | | 1973 |
| Old time music - the old bands | O'Leary, P. | Monograph or Collective Volume | | 1904 |
| Old ways and new in history | Keir, D. L. | Article in Journal | | 1966 |
| Oliver Cromwell in Ireland | Butler, William, Sir | Article in Book | | 1903 |
| Oliver Plunkett, 2 : In his own words | Forristal, Desmond | Monograph or Collective Volume | Veritas | 1975 |
| On a lyric stave called in Irish ochtfhoclach bec. | Ker, W. P. | Article in Book | | 1912 |
| On a manuscript description of the city and county of Cork, circa 1685, written by Sir Richard Cox. With notes by T.A. Lunham | | Article in Journal | | 1902 |
| On an Irish litany of pilgrim saints compiled c. 800 | Hughes, Kathleen Winifred | Article in Journal | | 1959 |
| On an unpublished Irish ballad | Lloyd, A. L. | Article in Book | | 1978 |
| On inedited silver farthings coined in Ireland | Smith, Aquilla | Article in Journal | | 1863 |
| On some ancient remains at Kilmaclenine, with illustrations from the Pipa Colmani | Olden, Thomas | Article in Journal | | 1879 |
| On some instances of Celtic art patterns inscribed on grave-slabs discovered at Carrowntemple, County Sligo, Ireland | Kilbride-Jones, H. E. | Article in Journal | | 1989 |
| On St. Columban of Bobbio. 1, Bobbio : an Irish monastery; 2, Did St. Columban pass through Britain? | Chute, Desmond | Article in Journal | | 1949 |
| On the account of Thomas de Chaddisworth, custodee of the temporalities of the archbishop of Dublin from 1221 to 1256 from the great roll of the pipe | | Article in Journal | | 1850 |
| On the alleged occupation of Ireland by the Romans | Brash, R. R. | Article in Journal | | 1867 |
| On the ancient deeds of the parish of St John, Dublin, preserved in the Library of Trinity College | Robinson, J. L. | Article in Journal | | 1916 |
| On the bell of Kilmainham | Wright, E. P. | Article in Journal | | 1900 |
| On the bogs and loughs of Ireland | King, William, archbishop of Dublin | Article in Journal | | 1685 |
| On the Calendar of Oengus | | Article in Journal | | 1880 |
| On the collation of Lebor na hUidre | Oskamp, H. P. A. | Article in Journal | | 1974 |
| On the copper coin commonly called St Patrick's | Smith, Aquilla | Article in Journal | | 1854 |
| On the date and authorship of the Book of Rights | Dillon, Myles | Article in Journal | | 1958 |
| On the earliest Latin life of St. Brigid of Kildare | Esposito, Mario | Article in Journal | | 1912 |
| On the external evidences bearing on the historic character of the 'Wars of Torlough' by John, son of Rory MacGrath | Westropp, Thomas Johnston | Article in Journal | | 1902 |
| On the inhabitants and dialect of the barony of Forth in the county of Wexford | Russell, C. W. (Charles William) | Article in Journal | | 1858 |
| On the intercourse of the Romans with Ireland | Wright, Thomas | Article in Journal | | 1866 |
| On the intercourse of the Romans with Ireland | Wright, Thomas | Article in Journal | | 1867 |
| On the Irish 'St. Patrick' or 'floreat rex' coinage, subsequently circulated in New Jersey by Mark Newbie : with reasons for connecting it with Lord Glamorgan's attempts to levy troops in Ireland for Charles | Frazer, William | Article in Journal | | 1895 |
| On the Irish coins of Edward IV | Smith, Aquilla | Article in Journal | | 1838 |
| On the Irish coins of Henry the Seventh | Smith, Aquilla | Article in Journal | | 1838 |
| On the Irish coins of Mary | Smith, Aquilla | Article in Journal | | 1854 |
| On the Irish coins of Richard III | Smith, Aquilla | Article in Journal | | 1881 |
| On two collections of Latin lives of Irish saints in the Bodleian Library : Rawl. B. 485 and Rawl. B. 505 | Plummer, Charles | Article in Journal | | 1905 |
| On two finds of Edward 1st and 2nd obtained in Ireland, and also some foreign sterlings | Frazer, William | Article in Journal | | 1879 |
| Opera in Dublin, 1705-1797 : the social scene | Walsh, T. J. | Monograph or Collective Volume | Figgis | 1973 |
| Operations of the parliamentary squadron at the siege of Duncannon in 1645 | Powell, J. R. | Article in Journal | | 1954 |
| Opposition to tithe payment in 1832-3 | O'Donoghue, Patrick | Article in Journal | | 1972 |
| Orangeism in Ireland and Britain, 1795-1836 | Senior, Hereward | Monograph or Collective Volume | Routledge & Kegan Paul | 1966 |
| Ordnance survey of the county of Londonderry. 1 : Memoir of the city and north-western Liberties of Londonderry. Parish of Templemore | Anonymous | Monograph or Collective Volume | | 1837 |
| Orientalische Einflüsse auf die insulare Kunst im Zeitalter des hl. Vergil | Mersmann, W. | Article in Book | | 1985 |
| Origin and history of the O'Dohertys | Mathews, Anthony | Monograph or Collective Volume | The author | 1973 |
| Origin and history of the O'Donoghues | Mathews, Anthony | Monograph or Collective Volume | | 1973 |
| Origin of the McCanns with a history of the sept | Mathews, Anthony | Monograph or Collective Volume | | 1973 |
| Origin of the McKennas with a history of the sept | Mathews, Anthony | Monograph or Collective Volume | Mathews | 1972 |
| Origin of the O'Reillys and a history of the sept | Mathews, Anthony | Monograph or Collective Volume | Mathews | 1970 |
| Origin of the surname McGuinness, with a short history of the sept | Mathews, Anthony | Monograph or Collective Volume | Mathews | 1968 |
| Origin of the surname O'Flaherty, with a short history of the sept | Mathews, Anthony | Monograph or Collective Volume | Mathews | 1968 |
| Origin of the surname O'Kelly, with a short history of the sept | Mathews, Anthony | Monograph or Collective Volume | Mathews | 1968 |
| Original documents and early charters relating to the county and city of Cork | | Article in Journal | | 1865 |
| Original documents relating to the Butler lordship of Achill, Burrishoole and Aughrim. 1236-1640 | | Article in Journal | | 1931 |
| Original letters ... to the rt hon. Henry Flood | | Monograph or Collective Volume | | 1820 |
| Original letters and papers in illustration of the history of the church in Ireland during the reigns of Edward VI, Mary and Elizabeth | | Monograph or Collective Volume | | 1851 |
| Origins and consolidation, 1783-1826 | Whitaker, T. K. (Thomas Kenneth), 1916-2017 | Article in Book | | 1983 |
| Origins and development of the land-war in mid-Ulster, 1879-85 | Kirkpatrick, R. W. | Article in Book | | 1980 |
| Origins of Irish nationalism | Murtagh, D. | Article in Journal | | 1950 |
| Origins of King's County : the King's County and Uí Failghe | Walsh, Paul, Revd, 1885-1941 | Article in Journal | | 1938 |
| Origins of the O'Rourkes, with a history of the sept | Mathews, Anthony | Monograph or Collective Volume | | 1970 |
| Origins of the Royal Irish Academy | O'Conor, C. | Article in Journal | | 1949 |
| Ormond deeds in National Library of Ireland | Empey, C. A. (Adrian) | Article in Journal | | 1977 |
| Oscar Wilde | Fido, Martin | Monograph or Collective Volume | | 1973 |
| Output and productivity in Irish agriculture from the famine to the Great War | Turner, Michael | Article in Journal | | 1990 |
| Outsiders by birth and blood : racist ideologies and realities around the peripheries of medieval European culture | Hoffman, R. C. | Article in Journal | | 1983 |
| Overlord becomes feudal lord, 1172-85 | Martin, F. X. (Francis Xavier), 1922-2000 | Article in Book | | 1987 |
| Owein at St Patrick's Purgatory | Easting, R. | Article in Journal | | 1986 |
| Owen Roe O'Neill | Taylor, J. F. | Monograph or Collective Volume | | 1896 |
| Owen Roe O'Neill | O'Neill, Elizabeth | Monograph or Collective Volume | Talbot Press | 1937 |
| Owen Roe O'Neill and the struggle for catholic Ireland | Casway, J. I. | Monograph or Collective Volume | | 1984 |
| Owen Roe O'Neill's return to Ireland in 1642 : the diplomatic background | Casway, J. I. | Article in Journal | | 1969 |
| Pacification, plantation and the Catholic question | Clarke, Aidan, 1933-2020Edwards, R. W. D. (Robert Walter Dudley) | Article in Book | | 1976 |
| Pádraig Mac a Liondain : dánta | Mag Uidhir, Seosamh | Monograph or Collective Volume | | 1977 |
| Pádraigín Haicéad : an sagart agus an file i gcomhthéacs a aimsire | Canny, Nicholas P. | Article in Book | | 1986 |
| Pádraigín Haicéad, O.P., 1604?-1654 | Valkenburg, Augustine | Article in Journal | | 1985 |
| Pagan and Christian burial in Ireland during the first millennium AD : continuity and change | O'Brien, Elizabeth | Article in Book | | 1992 |
| Pagan past and Christian present in early Irish literature | McCone, Kim | Monograph or Collective Volume | | 1990 |
| Pagan survivals : the evidence of early Irish narrative | Ó Cathasaigh, Tomás | Article in Book | | 1984 |
| Pagans and holymen 600-800 | Wood, Ian N. | Article in Book | | 1987 |
| Págántacht agus Críostaíocht i bhfilíocht na scoileanna (A.D. 1200-1700) | Ó Madagáin, Breandán | Article in Book | | 1988 |
| Paintings at Adare 'abbey', County Limerick | Westropp, Thomas Johnston | Article in Journal | | 1915 |
| Pairlement Chloinne Tomáis | | Monograph or Collective Volume | Institute for Advanced Studies | 1981 |
| Pairlement Chloinne Tomáis | | Article in Journal | | 1912 |
| Palaeographical considerations in the study of the Patrician documents in the Book of Armagh (Dublin, Trinity College, MS 52) | Sharpe, Richard | Article in Journal | | 1982 |
| Paléographie de l'antiquité et du moyen âge occidental | Atsma, HartmutBischoff, BernhardVezin, Jean | Monograph or Collective Volume | | 1985 |
| Palmer Vs. Brown : The society of United Irishmen in the Batavian republic | Homan, G. D. | Article in Journal | | 1979 |
| Papal legates in Ireland during the twelfth century | Gwynn, Aubrey | Article in Journal | | 1944 |
| Papal letters of Clement VII of Avignon (1378-94) relating to Ireland and England | | Article in Journal | | 1982 |
| Papal letters of the fifteenth century as a source for Irish history | Flanagan, U. G. | Article in Journal | | 1958 |
| Papal provisions in Ireland, 1305-78 | Flanagan, U. G. | Article in Book | | 1961 |
| Papal secretariate and datary correspondence relating to Great Britain and Ireland in the fifteenth and early sixteenth centuries : summary report of a survey in the Vatican archives | Haren, M. J. | Article in Journal | | 1986 |
| Papermaking in Ireland in 1590 | Pollard, Mary | Article in Journal | | 1977 |
| Papers of Anthony Gearnon, O.F.M. | | Article in Journal | | 1964 |
| Papers of Richard Joachim Hayes, O.F.M., 1810-1824, in Franciscan Library, Killiney : part 7, July 1817 | | Article in Journal | | 1988 |
| Papers of Richard Joachim Hayes, O.F.M., 1810-24, in Franciscan Library, Killiney, 6 : April-June 1817 | | Article in Journal | | 1985 |
| Papers of Richard Joachim Hayes, OFM, 1810-1824, in the Franciscan Library, Killiney : part 8, August-December 1817 | Giblin, Cathaldus | Article in Journal | | 1988 |
| Papst Gregor der Grosse und Columban der Jüngere | Prinz, Friedrich | Article in Book | | 1984 |
| Parallel and paradox : compensation in the legal systems of Celtic Ireland and Anglo-Saxon England | McLeod, Neil | Article in Journal | | 1983 |
| Parish history, 1878-1978 | Beckett, J. C. (James Camlin) | Monograph or Collective Volume | | 1978 |
| Parkgate packet | Aylward, J. de V.Jarvis, R. C.Others | Article in Journal | | 1946 |
| Párliament na mBan | | Monograph or Collective Volume | | 1952 |
| Parliament, politics and people : essays in eighteenth-century Irish history | | Monograph or Collective Volume | Irish Academic Press | 1989 |
| Parliamentary election results in Ireland, 1801-1922 | | Monograph or Collective Volume | Royal Irish Academy | 1978 |
| Parliamentary representation in County Kilkenny in the eighteenth century | Power, Thomas P. | Article in Book | | 1990 |
| Parliamentary representation, being a political and critical review of all the counties, cities, and boroughs of the kingdom of Ireland with regard to their representation. By Falkland | Scott, John, Rev. | Monograph or Collective Volume | | 1790 |
| Parnassus in Waterford. (Apropos of Latin Proses) | Wall, Thomas | Article in Journal | | 1947 |
| Parnell : orator and speaker | O'Day, Alan | Article in Book | | 1991 |
| Parnell : the lost leader | Deane, Seamus | Article in Book | | 1991 |
| Parnell and Bagehot | Boyce, D. G. (David George) | Article in Book | | 1991 |
| Parnell and Davitt | Bew, Paul | Article in Book | | 1991 |
| Parnell and Parnellism | McCartney, Donal | Article in Book | | 1991 |
| Parnell and the first Home Rule episode 1884-87 | O'Day, Alan | Monograph or Collective Volume | | 1986 |
| Parnell and the Irish land question | Geary, Laurence M. | Article in Book | | 1991 |
| Parnell and the leadership of nationalist Ireland | Mansergh, Martin, 1946-2025 | Article in Book | | 1991 |
| Parnell and the Ulster question | Travers, Pauric | Article in Book | | 1991 |
| Parnell and William O'Brien : partners and friends - from consensus to conflict in the land war | Warwick-Haller, Sally | Article in Book | | 1991 |
| Parnell i ego vremia | Kerzhentsev, V. [i.e. Lebedev, Platon Mikhailovich] | Article in Journal | | 1916 |
| Parnell in the spectrum of nationalisms | Hurst, Michael | Article in Book | | 1991 |
| Parnellism and crime : constructing a conservative strategy of containment 1887-1891 | O'Callaghan, Margaret | Article in Book | | 1991 |
| Parochial organisation in medieval Tipperary | Hennessy, Mark | Article in Book | | 1985 |
| Parsons, priests and the people : the rise of Irish anticlericalism, 1785-9 | Burns, R. E. | Article in Journal | | 1962 |
| Particulars relative to Wexford and the barony of Forth, by Colonel Solomon Richards, 1682 | | Article in Journal | | 1862 |
| Party organisation in Ulster 1865-92 : registration agents and their activities | Walker, B. M. (Brian Mercer) | Article in Book | | 1981 |
| Patrick Darcy, an argument | Caldicott, C. E. J. | Article in Book | | 1991 |
| Patrick Darcy, Galway lawyer and politician, 1598-1668 | O'Malley, Liam | Article in Book | | 1984 |
| Patrick Dorrian, bishop of Down and Connor, 1865-1885 | Macaulay, Ambrose | Monograph or Collective Volume | Irish Academic Press | 1987 |
| Patrick McGilligan : man of Commonwealth | Harkness, D. W. | Article in Journal | | 1979 |
| Patrick Sarsfield | Curtayne, Alice | Monograph or Collective Volume | | 1934 |
| Patrilineal kinship in early Irish society : the evidence from the Irish law texts | Patterson, Nerys | Article in Journal | | 1990 |
| Patriotism as pastime : the appeal of fenianism in the mid-1860s | Comerford, R.V. (Richard Vincent) | Article in Journal | | 1981 |
| Patronage and purchase in the Irish standing army under Thomas Wentworth, earl of Strafford, 1632-1640 | Hardacre, P. H. | Article in Journal | | 1989 |
| Patrons, Teachers and literacy in Irish, 1700-1850 | Cullen, L. M. (Louis Michael) | Article in Book | | 1990 |
| Patterns of landownership in Gaelic Monaghan in the late 16th century | Duffy, Patrick J. | Article in Journal | | 1981 |
| Paul Cullen and his contemporaries : with their letters from 1820 to 1902, 5 | Mac Suibhne, Peadar | Monograph or Collective Volume | Leinster Leader | 1977 |
| Peadar Ó Doirnín | De Rís, Seán | Monograph or Collective Volume | | 1969 |
| Pedagogue | Nihill, J. J. | Article in Journal | | 1947 |
| Pedigree of the Stewarts of Ballylawn, Co. Donegal, now Marquesses of Londonderry | MacGregor, John | Article in Journal | | 1937 |
| Pedigree of the Stewarts of Ballylawn, Co. Donegal, now Marquesses of Londonderry | Stewart, W. A. | Article in Journal | | 1936 |
| Peel and police reform in Ireland | Ó Ceallaigh, Tadhg | Article in Journal | | 1966 |
| Peg Woffington | Costigan, E. B. | Article in Journal | | 1979 |
| Penn's attempt to relieve Youghal, 1645 | Powell, J. R. | Article in Journal | | 1954 |
| People and pins in Dark Age Scotland | Laing, L. R. | Article in Journal | | 1973 |
| Perceptions of Locke in eighteenth-century Ireland | Kelly, P. | Article in Journal | | 1989 |
| Personal sketches of his own times. 3 vols. | Barrington, Jonah, Sir | Monograph or Collective Volume | | 1827 |
| Pestilence in the Irish Wars : the earlier phase | Logan, Patrick | Article in Journal | | 1966 |
| Peter Browne : provost, bishop, metaphysician | Winnett, A. R. | Monograph or Collective Volume | | 1974 |
| Peter de Bermingham, lord of Tethmoy | Hickey, N. M. | Article in Journal | | 1981 |
| Peter of Ireland : Aquinas's teacher of the artes liberales | Crowe, M. B. | Article in Book | | 1969 |
| Peter Walsh and the remonstrance | Mulrean, B. | Article in Journal | | 1946 |
| Philip Bocht Ó hUiginn | | Monograph or Collective Volume | | 1931 |
| Philip O Reilly, O.F.M. (c.1600-1660) | Faulkner, Anselm | Article in Journal | | 1979 |
| Pictish and Celtic marriage in early literary tradition | Chadwick, Nora Kershaw, 1891-1972 | Article in Journal | | 1955 |
| Pieces of Irish history illustrative of the condition of the catholics of Ireland, of the origin and progress of the political system of the United Irishmen, and of their transactions with the Anglo-Irish government | MacNeven, W. J. | Monograph or Collective Volume | | 1807 |
| Pieces of Irish history, illustrative of the condition of the Catholics of Ireland, of the origin and progress of the political system of the United Irishmen; and of their transactions with the Anglo-Irish government | MacNeven, W. J. | Monograph or Collective Volume | | 1807 |
| Pieces of the past : archaeological excavations by the Department of the Environment for Northern Ireland, 1970-1986 | | Monograph or Collective Volume | | 1988 |
| Pierre Drelincourt : l'exil en Angleterre et en Irlande | McKee, Jane | Article in Journal | | 1991 |
| Pilgrimage in Ireland : the monuments and the people | Harbison, Peter | Monograph or Collective Volume | [s.n.] | 1991 |
| Pilotage and navigation in the times of St Brendan | McGrail, Seán | Article in Book | | 1989 |
| Place names of County Wicklow. The Irish form and meaning of parish, townland and local names | Price, Liam, 1891-1967 | Monograph or Collective Volume | | 1935 |
| Place-Names of Northern Ireland, 1 : County Down, pt. 1 : Newry and South-West Down; 2 : County Down, pt. 2 : The Ards | | Monograph or Collective Volume | | 1992 |
| Plan and source analysis of Das Bibelwerk - Old Testament | McNamara, Martin | Article in Book | | 1987 |
| Planned Anglo-Norman towns in Ireland | Bradley, John, 1954-2014 | Article in Book | | 1985 |
| Plantation and colonisation : the historical background | Robinson, Philip S. | Article in Book | | 1982 |
| Plantation to Partition : Essays in Ulster History in Honour of J.L. McCracken | | Monograph or Collective Volume | | 1981 |
| Plantations in Ulster, c.1600-41 | Hunter, R. J. (Robert J.) | Monograph or Collective Volume | | 1974 |
| Planters and policies in Cromwellian Ireland | Barnard, T. C. (Toby Christopher) | Article in Journal | | 1973 |
| Pleas held before the chief governors of Ireland, 1308-76 | Connolly, Philomena | Article in Journal | | 1983 |
| Plunkett of Loughcrew | Barnwell, S. B. | Article in Journal | | 1977 |
| Pocket book of English ceramic marks, and those of Wales, Scotland and Ireland, in collaboration with W.B. Honey | | Monograph or Collective Volume | | 1959 |
| Pococke's tour of south and south-west Ireland in 1758 | Ó Maidín, Pádraig | Article in Journal | | 1960 |
| Poem on the battle of Dun, 1260 | Mac Con Midhe, Giolla Brighde | Article in Book | | 1849 |
| Poems by Flann Mainistrech on the dynasties of Ailech, Mide and Brega | MacNeill, Eoin | Article in Journal | | 1913 |
| Poems from the Book of the Dean of Lismore, with a catalogue of the book and indexes | | Monograph or Collective Volume | Cambridge University Press | 1937 |
| Poems on marcher lords from a sixteenth-century Tipperary manuscript | | Monograph or Collective Volume | | 1987 |
| Poems on the O'Reillys | | Monograph or Collective Volume | Institute for Advanced Studies | 1950 |
| Poetry and the avoidance of nationalism | Buckley, Vincent | Article in Book | | 1983 |
| Poetry as politics : a view of the present state of The Faerie Queene | Canny, Nicholas P. | Article in Book | NA | 1999 |
| Poets on the battle of Clontarf, 1 and 2 | Ó Lochlainn, Colm, 1892-1972 | Article in Journal | | 1943 |
| Police in Ireland before the union | Boyle, Kevin | Article in Journal | | 1973 |
| Policing the empire : government, authority and control, 1830-1940 | | Monograph or Collective Volume | Manchester University Press | 1991 |
| Policy on the run : Henry II and Irish Sea diplomacy | Hays, L.Jones, E. D. | Article in Journal | | 1990 |
| Polite letters and Clio's fashions | Lukacs, John | Article in Book | | 1991 |
| Political arithmetic of the population, commerce and manufactures of Ireland with observations of the relative situation of Great Britain and Ireland | Laffan, James | Monograph or Collective Volume | | 1785 |
| Political economy and colonial Ireland : the propagation and ideological functions of economic discourse in the nineteenth century | Boylan, Thomas A.Foley, Timothy P. (Tadhg) | Monograph or Collective Volume | Routledge | 1992 |
| Political independence, economic growth and the role of economic policy | McAleese, D. | Article in Book | | 1982 |
| Political problems 1860-78 | Corish, Patrick J. | Monograph or Collective Volume | Gill | 1967 |
| Political problems, 1850-60 | Whyte, J. H. | Monograph or Collective Volume | Gill | 1967 |
| Political violence in Ireland : government and resistance since 1848 | Townshend, Charles | Monograph or Collective Volume | Clarendon Press | 1983 |
| Political women and reform in Tudor Ireland | Brady, Ciarán, 1952- | Article in Book | | 1991 |
| Politicization in county Wexford and the origins of the 1798 rebellion | Whelan, Kevin | Article in Book | | 1990 |
| Politics in the streets : the origins of the civil rights movement in Northern Ireland | Purdie, Bob | Monograph or Collective Volume | | 1990 |
| Politics, 1830-1845 | MacDonagh, Oliver | Article in Book | | 1989 |
| Politics, religion, and economy : Cork in the seventeenth century | Irwin, Liam | Article in Journal | | 1980 |
| Politics, the law, and the nature of the Irish electorate 1832-1850 | Hoppen, K. Theodore, 1941- | Article in Journal | | 1977 |
| Politika Kromvelia v Irlandii 1649-1650 godov | Semenov, V. | Article in Journal | | 1945 |
| Pontificia hibernica : medieval papal chancery documents concerning Ireland, 640-1261. 2 vols. | | Monograph or Collective Volume | | 1965 |
| Poor and getting poorer? living standards in Ireland before the famine | Mokyr, JoelÓ Gráda, Cormac | Article in Journal | | 1988 |
| Poor law in Ireland | Clifford, A. | Monograph or Collective Volume | Athol | 1983 |
| Pope Gregory VII and the Irish church | Gwynn, Aubrey | Article in Journal | | 1941 |
| Popery and Protestantism, Civil and Religious Liberty : The Disputed Lessons of Irish History, 1690-1812 | Hill, Jacqueline R. | Article in Journal | | 1988 |
| Popular ballads, revolutionary rhetoric and politicization | Dunne, Tom, 1942-2025 | Article in Book | | 1990 |
| Popular music in eighteenth-century Dublin | | Monograph or Collective Volume | Folk Music Society of Ireland /Na Píobairí Uilleann | 1985 |
| Popular politicization, Defenderism and the Catholic question | Smyth, Jim | Article in Book | | 1990 |
| Popular Protestantism in Ulster in the post-rebellion period, c.1790-1810 | Hill, Myrtle | Article in Book | | 1989 |
| Popular recreation in nineteenth-century Ireland | Malcolm, E. | Article in Book | | 1983 |
| Portraits : Belvedere College 1832-1982 | | Monograph or Collective Volume | | 1982 |
| Portraits by Hugh Howard (1675-1738) in the college collection | Wynne, Michael | Article in Journal | | 1971 |
| Portumna Castle - a little-known early survey and some observations | Johnson, D. N. | Article in Book | | 1988 |
| Post-boreal pollen diagrams from Irish raised bogs | Mitchell, G. F. (George Francis), 1912-1997 | Article in Journal | | 1954 |
| Post-medieval Britain in 1974 | Cherry, John | Article in Journal | | 1975 |
| Pottery and Britain's Foreign Trade in the Later Roman Period | Fulford, Michael Gordon | Article in Book | | 1977 |
| Power, politics and land : Sligo, 1562-1688 | O'Dowd, Mary | Monograph or Collective Volume | Institute of Irish Studies, Queen's University Belfast | 1991 |
| Powerscourt and the territory of Fercullen | Price, Liam, 1891-1967 | Article in Journal | | 1953 |
| Practical agriculture epitomized | Baker, J. W. | Monograph or Collective Volume | | 1771 |
| Pre-Norman Dublin | Ryan, J. | Article in Journal | | 1949 |
| Preaching, pastoral care, and sola scriptura in later medieval Ireland : Richard FitzRalph and the use of the Bible | Walsh, Katherine | Article in Book | | 1985 |
| Precedents and abstracts from the journals of the trustees of the linen and hempen manufactures of Ireland, 1711-37 | Corry, John | Monograph or Collective Volume | | 1784 |
| Prefamine Ireland : a study in historical geography | Freeman, T. W. | Monograph or Collective Volume | University P. | 1957 |
| Prefamine Ireland and the theory of European proto-industrialization : evidence from the 1841 census | Almquist, E. L. | Article in Journal | | 1979 |
| Prefamine peasantry in Ireland : definition and theme | MacCurtain, Margaret, 1929-2020 | Article in Journal | | 1974 |
| Prehistoric and early Christian Ireland | Ó Corráin, Donnchadh | Article in Book | | 1989 |
| Presbyterian exodus from County Longford in 1729 | Barron, T. J. | Article in Journal | | 1977 |
| Presbyterian-Roman Catholic relations in Ireland (1780-1975) | Barkley, John M. | Article in Journal | | 1981 |
| Presbyterianism and "modernization" in Ulster | Miller, David William, 1940- | Article in Journal | | 1978 |
| Presenza dei Penitenziali irlandesi nel pensiero medievale | Paganini, Carlo | Article in Journal | | 1967 |
| Priests and people in pre-famine Ireland | Connolly, Sean J. | Monograph or Collective Volume | | 1981 |
| Priests and people in pre-famine Ireland, 1780-1845 | Connolly, Sean J. | Monograph or Collective Volume | Gill & Macmillan | 1982 |
| Priests, parsons and politics : the Rightboy protest in County Cork 1785-1788 | Bric, Maurice J. | Article in Book | | 1987 |
| Primary education | Murphy, Ignatius | Article in Book | | 1968 |
| Primate Lombard and James I | Silke, John J. | Article in Journal | | 1955 |
| Primate Mac Maoilíosa and County Louth | Mac Íomhair, Diarmuid | Article in Journal | | 1971 |
| Primate Reginald and Henry III | O'Halloran, M. | Article in Journal | | 1952 |
| Prince of Dublin printers : the letters of George Faulkner | | Monograph or Collective Volume | University of Kentucky Press | 1972 |
| Printed aids to folk singing, 1700-1900 | Shields, Hugh, 1929-2008 | Article in Book | | 1990 |
| Printers and booksellers in Dublin, 1800-1850 | Benson, Charles | Article in Book | | 1990 |
| Printing in Cork in the first quarter of the eighteenth century (1701-1725) | Dix, E. R. McC. (Ernest Reginald McClintock), 1857-1936 | Article in Journal | | 1921 |
| Printing the journal of the Irish House of Commons 1753-1802 | Englefield, D. | Article in Book | | 1981 |
| Private libraries in eighteenth-century Ireland | Cole, R. C. | Article in Journal | | 1974 |
| Privateers and privateering off the Irish coast in the eighteenth century | Raymond, R. J. | Article in Journal | | 1977 |
| Privateers fitted out in Irish ports in the eighteenth century | Cullen, L. M. (Louis Michael) | Article in Journal | | 1958 |
| Probatica piscina naturae per peccatum lapsae morbos sanans .. | Burke, A. G. | Monograph or Collective Volume | | 1687 |
| Problems common to both protestant and catholic churches in eighteenth-century Ireland | Johnston, E. M. | Article in Book | | 1983 |
| Problems in alcoholic production and controls in early 19th century Ireland | Shipkey, Robert | Article in Journal | | 1973 |
| Problems of Irish patronage during the chief secretaryship of Robert Peel, 1812-18 | Shipkey, Robert | Article in Journal | | 1967 |
| Procedure without writ in the court of the Justiciar of Ireland | Hand, G. S. | Article in Journal | | 1962 |
| Proceedings at the catholic meeting of Dublin duly convened 31st October 1792 at the Exhibition Room, Exchequer Street, with the letter of the corporation of Dublin to the protestants of Ireland | Anonymous | Monograph or Collective Volume | | 1792 |
| Proceedings of the corporation for paving the streets of Dublin. 3 vols. | Anonymous | Monograph or Collective Volume | | 1779 |
| Proceedings of the Seventh Viking Congress, Dublin, 15-21 August 1973 | | Monograph or Collective Volume | | 1976 |
| Processional cross, pricket-candlestick, and bell, found together at Sheephouse, near Oldbridge, Co. Meath | Armstrong, E. C. R. | Article in Journal | | 1915 |
| Proclamation against Patrick MacCowan, priest, 16 July 1583 | | Article in Journal | | 1983 |
| Prodigal father : the life of John Butler Yeats (1839-1922) | Murphy, W. M. | Monograph or Collective Volume | Cornell University Press | 1978 |
| Production, prices, and exports, 1846-1851 | Donnelly, James S., Jr | Article in Book | | 1989 |
| Progress and suppression of the United Irishmen in the western counties in 1798-99 | Egan, Patrick K. | Article in Journal | | 1954 |
| Prolegomena apologetica de usu dogmatum philosophicorum, praecipue Stoicorum, in theologia | Dodwell, Henry | Monograph or Collective Volume | | 1672 |
| Prolegomena to a study of medieval Anglo-Irish | McIntosh, AngusSamuels, M. L. | Article in Journal | | 1968 |
| Prologomena to a study of the Ancient laws of Ireland. Introduction and notes by D.A. Binchy | Mac Néill, Eoin | Article in Journal | | 1967 |
| Promenade d'un français dans l'Irlande | De Latocnaye | Monograph or Collective Volume | | 1797 |
| Propaganda use of the Táin in the later middle ages | Simms, Katharine | Article in Journal | | 1983 |
| Property and politics : essays in later medieval English history | | Monograph or Collective Volume | Sutton | 1984 |
| Prophecy against reason : Ireland and the Apocalypse | Colgan, M. | Article in Journal | | 1985 |
| Proposals to register Irish priests, 1756-7 | Brady, John, d.1963 | Article in Journal | | 1962 |
| Prosperous, 1776-98 | Longfield, A. K. (Ada Kathleen), 1899-1987 | Article in Journal | | 1967 |
| Protection, economic war and structural change : the 1930s in Ireland | Neary, J. P.Ó Gráda, Cormac | Article in Journal | | 1991 |
| Protestant dissent in Ireland, 1687-1780 | Beckett, J. C. (James Camlin) | Monograph or Collective Volume | Faber | 1948 |
| Protestant nationalists in revolutionary Ireland : the Stopford connection | Ó Broin, León, 1902-1990 | Monograph or Collective Volume | Gill & Macmillan | 1985 |
| Proto-industrialization and pre-famine emigration | Collins, B. | Article in Journal | | 1982 |
| Provincial and diocesan decrees of the diocese of Dublin during the Anglo-Norman period | | Article in Journal | | 1944 |
| Provost Huntington : injunctions to schoolmasters in 1684 | Barnard, T. C. (Toby Christopher) | Article in Journal | | 1975 |
| Psalter text and psalter study in the early Irish church | McNamara, Martin | Article in Journal | | 1973 |
| Pseudo-Cyprian De Duodecim Abusivis Saeculi and the Bible | Breen, Aidan | Article in Book | | 1987 |
| Ptolemy's map of Ireland | Orpen, G. H. (Goddard Henry), 1852-1932 | Article in Journal | | 1894 |
| Public building and colonial policy in Dublin, 1760-1800 | Fraser, M. | Article in Journal | | 1985 |
| Public virtue, public love : the early years of the Dublin lying-in hospital, the Rotunda | | Monograph or Collective Volume | The O'Brien Press | 1986 |
| Publications of the Irish Manuscripts Commission, 1930-7. A complete catalogue to 31 December, 1937 | Anonymous | Article in Journal | | 1938 |
| Quaker schools in Dublin | Quane, Michael | Article in Journal | | 1964 |
| Quaker weavers at Newport, Ireland, 1720-1740 | Carroll, K. L. | Article in Journal | | 1976 |
| Quakerism and the Cromwellian army in Ireland | Carroll, K. L. | Article in Journal | | 1978 |
| Quakerism in Connaught, 1656-1978 | Carroll, K. L. | Article in Journal | | 1979 |
| Quakers in Ireland, 1654-1900 | Grubb, Isobel | Monograph or Collective Volume | | 1927 |
| Quebec and the Fenians | Senior, Hereward | Article in Journal | | 1967 |
| Queen Victoria in Ireland, 1849 | Hone, J. | Article in Journal | | 1949 |
| Queen Victoria in Ireland, 1853 | Hone, J. | Article in Journal | | 1953 |
| Queries concerning the lawfulnesse of the present cessation | Walsh, Peter | Monograph or Collective Volume | | 1648 |
| R.R. Madden, historian of the United Irishmen | Ó Broin, León, 1902-1990 | Article in Journal | | 1972 |
| Rage or raillery : the Swift manuscripts at the Huntington Library | Mayhew, G. P. | Monograph or Collective Volume | | 1967 |
| Ragnarr Loðbrók in the Irish annals? | McTurk, R. W. | Article in Book | | 1976 |
| Ralahine : an Irish Owenite community (1831-1833) | Geoghegan, Vincent | Article in Journal | | 1991 |
| Raleigh's Ireland | Canny, Nicholas P. | Article in Book | | 1987 |
| Randbemerkninger til det norsk-irske spørsmål | Marstrander, Carl | Monograph or Collective Volume | | 1928 |
| Raphoe and Derry in the twelfth & thirteenth centuries | Gwynn, Aubrey | Article in Journal | | 1959 |
| Rath Melsigi, Willibrord and the earliest Echternach manuscripts | Ó Cróinín, Dáibhí | Article in Journal | | 1984 |
| Rathnageeragh and Ballyloo : a study of stone castles of probable 14th to early 15th century date in county Carlow | O'Keeffe, Tadhg | Article in Journal | | 1988 |
| Raths and Clacháns : the homogeneity of early Irish society | Toumey, C. P. | Article in Journal | | 1980 |
| Reading societies in Ulster | Adams, J. R. R. | Article in Journal | | 1980 |
| Rebellion, emancipation, starvation : the dilemma of peaceful protest in Ireland, 1798-1848 | Palmer, S. H. | Article in Book | | 1977 |
| Recent discovery of Roman coins and other articles near Coleraine, co. Derry | Porter, J. S. | Article in Journal | | 1854 |
| Recent geographical literature relating to Ireland (1991) | Anonymous | Article in Journal | | 1992 |
| Recent times : a history of Britain and its continental background, 1868-1939 | Rayner, R. M. | Monograph or Collective Volume | | 1949 |
| Records of the general synod of Ulster, 1691-1820. 3 vols. | Anonymous | Monograph or Collective Volume | | 1890 |
| Rectangular keeps of the 13th century at Grenan (Kilkenny) and Glanworth (Cork) | Waterman, D. M. | Article in Journal | | 1968 |
| Rectory, vicarage, and parish in the western Irish dioceses | Nicholls, K. W. (Kenneth W.) | Article in Journal | | 1971 |
| Recusancy and the Dublin Stanyhursts | Lennon, Colm | Article in Journal | | 1975 |
| Red herrings in Ireland | Went, A. E. J. | Article in Journal | | 1979 |
| Red Hugh and Rose O'Neill | Donnelly, Morwena | Article in Journal | | 1986 |
| Red, white and blue martyrdom | Stancliffe, Clare | Article in Book | | 1982 |
| Reflections on Hiberno-Norse coinage | Heslip, Robert | Article in Journal | | 1985 |
| Regestum monasterii fratum praedicatorum de Athenry | | Article in Journal | | 1912 |
| Regimen na sláinte : regimen sanitatis. 3 vols. | Magninus of MilanÓ Ceithearnaigh, Séumus | Monograph or Collective Volume | | 1942 |
| Regiment of Walsh, Irish brigade, 1691-1791 : French 92nd infantry regiment | Forde, Frank | Article in Journal | | 1970 |
| Regimental marches. English regiments with Scottish, Irish and foreign airs | Paine, J. | Article in Journal | | 1934 |
| Register of wills and inventories of the diocese of Dublin in the time of archbishops Tregury and Walton, 1457-1483 | Berry, H. F. | Monograph or Collective Volume | | 1898 |
| Registers of baptisms, marriages, and burials ... church of St Patrick [Dublin] ... 1677-1800 | | Monograph or Collective Volume | | 1900 |
| Registers of the church of St Michan [Dublin] ... 1636-1700. 2 vols. | | Monograph or Collective Volume | | 1907 |
| Registers of the parish of St. Catherine [Dublin], 1636-1715 | | Monograph or Collective Volume | | 1908 |
| Registre de la comptablie de Bordeaux, 1482-3 | Ducaunnes-Duval, M. G. | Article in Journal | | 1915 |
| Registrum cantariae S. Salvatoris Waterfordensis : (B.M. Harl. 3765) | | Article in Journal | | 1966 |
| Registrum de Kilmainham : register of chapter acts of the hospital of Saint John of Jerusalem in Ireland, 1326-1339, under the grand prior, Sir Roger Outlawe, with additions for the times of his successors, Sir John Mareschall, Sir John Larcher and Sir John Fitzrichard, grand priors of Ireland | | Monograph or Collective Volume | Stationery Office | 1932 |
| Registrum diocesis Dublinensis : a sixteenth-century Dublin precedent book | | Monograph or Collective Volume | The Stationery Office [for the Irish Manuscripts Commission] | 1959 |
| Registrum epistolarum Stephani de Lexington abbatis de Stanlegia et de Savigniaco | | Article in Journal | | 1952 |
| Registry of Deeds, Dublin : abstracts of wills, 1 : 1708-45; 2 : 1746-85 | | Monograph or Collective Volume | The Stationery Office [for the Irish Manuscripts Commission] | 1956 |
| Regnum and Sacerdotium : notes on Irish tradition | Mac Cana, Proinsias | Article in Journal | | 1981 |
| Regnum Corcagiense; or a description of the kingdom of Cork. | Cox, RichardDay, Robert, 1746-1841 | Article in Journal | | 1902 |
| Relations between the Abbey of St Thomas the Martyr and the municipality of Dublin c. 1176-1527 | Davis, Virginia, 1958- | Article in Journal | | 1987 |
| Religion and land tenure in eighteenth-century Ireland : tenancy in the south-east | Gahan, Daniel | Article in Book | | 1990 |
| Religion in late medieval Ireland | Lynch, Anthony | Article in Journal | | 1981 |
| Religion in Victorian Britain, 1 : traditions; 2 : controversies; 3 : sources; 4 : interpretations. 4 vols. | | Monograph or Collective Volume | | 1988 |
| Religion, conflict and coexistence in Ireland : essays presented to Monsignor Patrick Corish. | | Monograph or Collective Volume | | 1990 |
| Religion, law and power : the making of Protestant Ireland, 1660-1760 | Connolly, Sean J. | Monograph or Collective Volume | | 1992 |
| Religious issues in the early workhouse | Robins, J. A. | Article in Journal | | 1968 |
| Religious rivalries in France and Ireland in the Age of the French Revolution | Bartlett, Thomas | Article in Journal | | 1991 |
| Religious toleration and the relaxation of the penal laws : an imperial perspective, 1763-1780 | Hill, Jacqueline R. | Article in Journal | | 1989 |
| Remarks on a Trim groat marked B on the obverse | Parsons, H. A. | Article in Journal | | 1945 |
| Remarks on the religion, trade, government, police, customs, manners, maladies of the city of Cork | Alexander the Coppersmith | Monograph or Collective Volume | | 1737 |
| Remedies proposed for the Church of Ireland (1697) | | Article in Journal | | 1959 |
| Remembering 1690 | Simms, J. G. (John Gerald) | Article in Journal | | 1974 |
| Remembering Dr Beaufort | Ellison, C. C. | Article in Journal | | 1975 |
| Reminiscences of Daniel O'Connell, during the agitations of the Veto, Emancipation, and Repeal. By a Munster Farmer. [i.e. W.F. Taylor] | O'Connell, Daniel | Monograph or Collective Volume | | 1847 |
| Rent roll of the earl of Ardglass, 1669 | | Article in Journal | | 1985 |
| Rental of Connello, [c. 1452] | Anonymous | Article in Book | | 1927 |
| Rental of Gerald, earl of Kildare, A.D. 1518 | | Article in Book | | 1884 |
| Rental of the manor of Lisronagh, 1333, and notes on betagh tenure in medieval Ireland | | Article in Journal | | 1936 |
| Report from the select committee on poor removal [Chairman : Thomas Salt] | Anonymous | Monograph or Collective Volume | | 1878-9 |
| Report of the debates in both houses of the parliament of Ireland on the Roman Catholic bill ... 1792 | Anonymous | Monograph or Collective Volume | | 1792 |
| Report of the deputy keeper of the records for the year 1924 [etc.] | Public Record Office of Northern Ireland | Monograph or Collective Volume | | 1925 |
| Report of the Deputy Keeper of the Records for the year 1935 | Public Record Office of Northern Ireland | Monograph or Collective Volume | | 1936 |
| Report of the Irish Manuscripts Commission | Anonymous | Article in Journal | | 1940 |
| Report of the trial of John McCann | Anonymous | Monograph or Collective Volume | | 1798 |
| Report on a survey of manuscripts of Irish interest in Yale University Library | Craig, David | Article in Journal | | 1982 |
| Report on documents relating to the wardenship of Galway | MacLysaght, Edward | Article in Journal | | 1944 |
| Report on manuscripts of the corporation of Waterford | Royal Commission on Historical Manuscripts | Article in Book | | 1870 |
| Report on the compilation of a bibliography of source material for the history of Ireland, 1685-1702 | Simms, J. G. (John Gerald) | Article in Journal | | 1960 |
| Report to the Right Honourable the Master of the Rolls upon the Carte and Carew papers in the Bodleian and Lambeth libraries | Brewer, J. S.Hardy, Thomas Duffus, Sir, 1804-1878 | Monograph or Collective Volume | | 1864 |
| Reports of cases and appeals and writs of error since the restoration of the appellate jurisdiction, 1784-96. 3 vols. | Ridgeway, William | Monograph or Collective Volume | | 1795 |
| Reports of cases in the king's bench and chancery, during the time of Lord Hardwicke; with notes | Ridgeway, William | Monograph or Collective Volume | | 1794 |
| Reports of select cases in the court of chancery in Ireland, principally in the time of Lord Lifford : with cases determined in the other superior courts during the same period. Edited from the notes of John Wallis | Lyne, James | Monograph or Collective Volume | | 1839 |
| Reports of the Deputy Keeper of the Public Records and Keeper of the State Papers in Ireland | Public Record Office, Ireland | Monograph or Collective Volume | | 1869 |
| Reports of trials upon indictments for high treason. 3 vols. | Ridgeway, William | Monograph or Collective Volume | | 1797 |
| Representation of houses on some Irish maps | Ó Danachair, Caoimhín, 1913-2002 | Article in Book | | 1969 |
| Representative Government in Ireland : A Study of the Dáil Éireann 1919-1948 | McCracken, J. L. | Monograph or Collective Volume | Oxford University Press | 1958 |
| Rerum Hibernicarum scriptores veteres. 4 vols | O'Conor, Charles | Monograph or Collective Volume | | 1814 |
| Research in Ireland | Ainsworth, John F. | Article in Journal | | 1939 |
| Research on Irish history in British and American universities, 1952-53 | Anonymous | Article in Journal | | 1953 |
| Research on Irish history in Irish and British universities, 1939-40, 1941-42 | Anonymous | Article in Journal | | 1942 |
| Research on Irish history in Irish universities, 1942-44, 1944-45 | Anonymous | Article in Journal | | 1944 |
| Research on Irish history in Irish universities, 1945-6, 1946-7, 1947-8 | Anonymous | Article in Journal | | 1948 |
| Research on Irish history in Irish universities, 1948-51 | Anonymous | Article in Journal | | 1950 |
| Research on Irish history in Irish universities, 1951-52, 1952-53, 1953-54 | Anonymous | Article in Journal | | 1954 |
| Research on Irish history in Irish, British and American universities, 1937-8 | Anonymous | Article in Journal | | 1938 |
| Research on Irish history in Irish, British and American universities, 1938-39 | Anonymous | Article in Journal | | 1939 |
| Research on Irish history in Irish, British and American universities, 1939-41 | Anonymous | Article in Journal | | 1941 |
| Researches in the south of Ireland : illustrative of the scenery, architectural remains, and the manners and superstitions of the peasantry; with an appendix, containing a private narrative of the rebellion of 1798 | Croker, Thomas Crofton, 1798-1854 | Monograph or Collective Volume | | 1824 |
| Return of all the record publications relating to England and Wales published by the late record and state-paper commissioners, or under the Master of the Rolls, up to the end of the year 1866, including the Irish and Scotch records | Anonymous | Monograph or Collective Volume | | 1867 |
| Review article : women, gender and the writing of Irish history | Fitzpatrick, David | Article in Journal | | 1991 |
| Review of the principal characters in the Irish house of commons | Scott, John, Rev. | Monograph or Collective Volume | | 1799 |
| Revoliutsionnaia Irlandiia | Kerzhentsev, V. [i.e. Lebedev, Platon Mikhailovich] | Article in Journal | | 1914 |
| Revoliutsionnoe dvizhenie v Irlandii v 1848 godu | Kunina, V. | Article in Journal | | 1949 |
| Revolution and Catholicism in Ireland, 1848-1922 | Newsinger, John | Article in Journal | | 1979 |
| Revolutionary nationalism in Ireland : the I.R.B, 1858-1924 | Ó Broin, León, 1902-1990 | Article in Book | | 1978 |
| Revolutionary underground : the story of the Irish Republican Brotherhood 1858-1924 | Ó Broin, León, 1902-1990 | Monograph or Collective Volume | Gill & Macmillan | 1976 |
| Revolyutsionnaia Irlandiia | Kerzhentsev, V. [i.e. Lebedev, Platon Mikhailovich] | Monograph or Collective Volume | | 1918 |
| Rialacha do chúirt éigse i gContae an Chláir | | Article in Journal | | 1964 |
| Rich and Greene : Elizabethan beast fables and Ireland | Carroll, D. A. | Article in Journal | | 1990 |
| Richard Boyle and the making of an Irish fortune, 1588-1614 | Ranger, Terence Osborn | Article in Journal | | 1956 |
| Richard Boyle's ironworks in County Waterford | Power, Thomas | Article in Journal | | 1978 |
| Richard Boyle, ironmaster | Kearney, H. F. | Article in Journal | | 1953 |
| Richard de Burgh and the conquest of Connaught | Orpen, G. H. (Goddard Henry), 1852-1932 | Article in Journal | | 1911 |
| Richard de Ledrede, John Clyn, James Grace, David Rothe : the earliest chroniclers of Kilkenny | Phelan, Margaret M. | Article in Book | | 1990 |
| Richard Dobbs' notes for his description of County Antrim, 1683 | Irvine, James | Article in Journal | | 1979 |
| Richard Dobbs, 1634-1701 | Montgomery, J. S. | Article in Journal | | 1983 |
| Richard FitzRalph and the fourteenth-century poverty controversies | Dawson, J. D. | Article in Journal | | 1983 |
| Richard FitzRalph of Armagh (d. 1360) : professor-prelate-saint | Walsh, Katherine | Article in Journal | | 1992 |
| Richard Heaton of Ballyskenagh, 1601-1666 | Walsh, Laurence | Monograph or Collective Volume | Parkmore Press | 1978 |
| Richard II and the chieftains of Thomond | Gwynn, Aubrey | Article in Journal | | 1956 |
| Richard II and the submissions of Gaelic Ireland | Johnston, Dorothy | Article in Journal | | 1980 |
| Richard Kirwan, 1733-1812 | McLaughlin, P. J. | Article in Journal | | 1940 |
| Richard Kirwan, the Dublin philosopher | Dixon, F. E. | Article in Journal | | 1971 |
| Richard Mant, 1776-1848, bishop of Down, Connor and Dromore | Bolton, F. R. | Article in Journal | | 1948 |
| Richard Stanihurst (1547-1618) and Old English identity | Lennon, Colm | Article in Journal | | 1978 |
| Richard Talbot, earl of Tyrconnell (1630-91) and the Catholic counter-revolution | McGuire, James | Article in Book | | 1989 |
| Richard Whately and political economy in school books, 1833-80 | Goldstrom, J. M. | Article in Journal | | 1966 |
| Richard, duke of York and the development of an Irish faction | Gorman, V. | Article in Journal | | 1985 |
| Rickard O'Connell (1572-1653) | O'Shea, Kieran | Article in Journal | | 1978 |
| Ringforts in the south-west midlands of Ireland | Stout, Matthew | Article in Journal | | 1991 |
| Rinmore fort : a seventeenth-century fortification at Renmore, Galway | Walsh, Paul | Article in Journal | | 1987 |
| Rinuccini's censure of 27 May 1648 | Corish, Patrick J. | Article in Journal | | 1951 |
| Roach's new and complete history of the stage ... including, all the entertaining anecdotes, of London, Dublin, and Edinburgh, etc., recorded by our most eminent historians | Roach, John | Monograph or Collective Volume | | 1796 |
| Road planning in Ireland before the railway age | Andrews, J. H. (John Harwood), 1927-2019 | Article in Journal | | 1964 |
| Roadways in ancient Ireland | Ó Lochlainn, Colm, 1892-1972 | Article in Book | | 1995 |
| Robe and sword in the conquest of Ireland | Bradshaw, Brendan, 1937-2017 | Article in Book | | 1988 |
| Robert Boyle and the Irish Bible | Maddison, R. E. W. | Article in Journal | | 1958 |
| Robert Dawson (1589-1643), bishop of Clonfert and Kilmacduagh | Wiseman, W. G. | Article in Journal | | 1990 |
| Robert Dolling : et blad af den engelske statskirkes historie i det 19. aarhundrede | Thomsen, Richard | Monograph or Collective Volume | | 1908 |
| Robert I and the De Mandevilles of Ulster | Greeves, J. R. H. | Article in Journal | | 1957 |
| Robert Jameson's Irish journal, 1797 | Sweet, J. M. | Article in Journal | | 1967 |
| Robert Lythe's petitions, 1571 | Andrews, J. H. (John Harwood), 1927-2019 | Article in Journal | | 1967 |
| Robert Peel and the Church of Ireland | Brynn, Edward | Article in Journal | | 1973 |
| Robert Peel and the pursuit of Catholic emancipation, 1813-1817 | O'Brien, Gerard | Article in Journal | | 1988 |
| Robert Peel's Irish policy, 1812-1846 | Shipkey, R. C. | Monograph or Collective Volume | Garland | 1987 |
| Robert Stearne's diary of the Williamite campaign | Hewson, Michael | Article in Journal | | 1977 |
| Rochelle : the story of a school in Cork, 1829-1979 | Rudd, Dorothy | Monograph or Collective Volume | | 1979 |
| Roger de Montgomery and his sons, 1067-1102 | Mason, J. F. A. | Article in Journal | | 1963 |
| Roisín/ruisín | De Bhaldraithe, Tomás | Article in Journal | | 1980 |
| Roman coins from Ireland and the date of St Patrick | Dolley, Michael | Article in Journal | | 1976 |
| Roman intercourse with Ireland | Anonymous | Article in Journal | | 1866 |
| Roman material in Ireland | Ó Ríordáin, S. P. | Article in Journal | | 1947 |
| Rome and the Anglo-Norman invasion of Ireland | O'Doherty, J. F. | Article in Journal | | 1933 |
| Roots of Presbyterianism in Donegal, 1 : The Laggan and its Presbyterianism; 2 : In the days of the Laggan Presbytery. (The Laggan Presbytery books, 1, 2). 2 vols. | Lecky, A. G. | Monograph or Collective Volume | | 1905 |
| Rory O'Tunney and the Ossory tomb sculpture | Hunt, John | Article in Journal | | 1950 |
| Roscommon authors : a contribution towards a biographical and bibliographical index of Roscommon authors | Maher, H. | Monograph or Collective Volume | Roscommon County Library | 1978 |
| Roscrea : a history of the Catholic parish of Roscrea from the earlies t times to the present day with some account of the territories of Uí Cairin and Éile Uí Cearbhaill | Gleason, D. F | Monograph or Collective Volume | | 1947 |
| Rotulus pipae Clonensis | | Monograph or Collective Volume | | 1859 |
| Rowland White's "The dysorders of the Irisshery", 1571 | Canny, Nicholas P. | Article in Journal | | 1979 |
| Royal Munster Fusiliers, 1652 to present day | | Monograph or Collective Volume | | 1950 |
| Royal service in Ireland | Otway-Ruthven, Annette Jocelyn, 1909-1989 | Article in Journal | | 1968 |
| Royal succession and abbatial prerogative in Adomnán's Vita Columbae | Enright, M. J. | Article in Journal | | 1985 |
| Rubbings taken of the inscriptions on the Cross of the Scriptures, Clonmacnois | Ó Murchadha, Domhnall | Article in Journal | | 1981 |
| Rugby in Leinster, 1879 to 1979 | | Monograph or Collective Volume | | 1980 |
| Rules and orders to be observed in the proceedings of causes in the high court of chancery in Ireland, 1659 | Hand, Geoffrey Joseph | Article in Journal | | 1974 |
| Rural disorder and police reform in Ireland, 1812-36 | Broeker, Galen | Monograph or Collective Volume | Routledge & Kegan Paul | 1970 |
| Rural Ireland : modernisation and change 1600-1900 | | Monograph or Collective Volume | Cork University Press | 1987 |
| Rural settlement in medieval Ireland : the example of the royal manors of Newcastle Lyons and Esker in south County Dublin | Simms, Anngret | Article in Book | | 1983 |
| Rural settlement in the neighbourhood of Kells, County Meath : a review of the Civil and Down survey evidence | Kelly, J. | Article in Journal | | 1976 |
| Rural society in Connacht, 1600-1640 | Graham, Jean M. | Article in Book | | 1970 |
| Rural society in post-Cromwellian Ireland | MacCurtain, Margaret, 1929-2020 | Article in Book | | 1979 |
| Saga themes in Irish historiography | Ó Briain, F. | Article in Book | | 1947 |
| Sages, saints and storytellers : Celtic studies in honour of Professor James Carney | | Monograph or Collective Volume | An Sagart | 1989 |
| Saint Columba : the Lord's song in a strange land | Troup, George Elmslie | Monograph or Collective Volume | | 1913 |
| Saint Columba of Iona : a study of his life, his times and his influence | Menzies, Lucy | Monograph or Collective Volume | | 1920 |
| Saint Máedóc and saint Molaisse | Doherty, Charles | Article in Journal | | 1986 |
| Saint Oliver Plunkett and the diocese of Raphoe | Ó Fiaich, Tomás | Article in Journal | | 1975 |
| Saint Patrick | Mac Néill, Eoin | Monograph or Collective Volume | Clonmore & Reynolds | 1964 |
| Saints, seaways and dispute settlements | Watkin, Thomas Glyn, 1952- | Article in Book | | 1991 |
| Samuel Johnson and the eighteenth-century Irish book trade | Cole, R. C. | Article in Journal | | 1981 |
| Samuel Molyneux's 'Tour of Kerry', 1709 | | Article in Journal | | 1970 |
| Sancti Columbani opera | | Monograph or Collective Volume | Institute for Advanced Studies | 1957 |
| Sanguinea eremus martyrum Hiberniae ord. eremit. S.P. Augustini (1655). | O'Mahony, James, d.1666 | Article in Journal | | 1950 |
| Sarsfield's defence of the Shannon 1690-91 | Mangan, Henry | Article in Journal | | 1949 |
| Scandinavian place-names in Ireland | Oftedal, Magne | Article in Book | | 1976 |
| Scandinavian relations with Ireland during the Viking period | Walshe, A. | Monograph or Collective Volume | | 1922 |
| Scandinavian York and Dublin : the history and archaeology of two related Viking kingdoms. 2 vols. | Smyth, Alfred P., 1942- | Monograph or Collective Volume | Templekieran | 1975 |
| Scarce and valuable tracts and sermons occasionally published by the late reverend and learned John Abernethy, M.A. | Abernethy, John | Monograph or Collective Volume | | 1751 |
| Scheme to prevent the running of Irish wools to France | Anonymous | Monograph or Collective Volume | | 1745 |
| Schomberg at Dundalk, 1689 | Simms, J. G. (John Gerald) | Article in Journal | | 1971 |
| Schools and schooling in Cork city, 1700-1831 | Ó Coindealbháin, Seán | Article in Journal | | 1943 |
| Schools of metalworking in eleventh- and twelfth-century Ireland | Ó Floinn, Raghnall | Article in Book | | 1987 |
| Science and cartography in the Ireland of William and Samuel Molyneux | Andrews, J. H. (John Harwood), 1927-2019 | Article in Journal | | 1980 |
| Scoláirí Éireannacha thar lear 1200-1900 | Mac Conmara, Mairtín | Article in Book | | 1988 |
| Scoláirí Gaeilge i nGaillimh sa seachtú céad déag | Ó Concheanainn, Tomás | Article in Book | | 1984 |
| Scotichronicon ... cum ... continuatione [by Walter Bower]. 5 vols. | Fordun, Johannis deHearne, Thomas | Monograph or Collective Volume | | 1722 |
| Scotland and Ireland, 1600-1800 : their role in the evolution of British society | Cullen, L. M. (Louis Michael) | Article in Book | | 1989 |
| Scotland and Ireland, 1742-1789 | Lenman, Bruce | Article in Book | | 1990 |
| Scots mercenary forces in Ireland (1565-1603) : an account of their service during that period, of the reaction of their activities on Scottish affairs, and of the effect of their presence in Ireland, together with an examination of the Gallóglaigh or Galloglas. With an introduction by Eoin MacNeill | Hayes-McCoy, G. A. (Gerard Anthony) | Monograph or Collective Volume | Burns & Oates | 1937 |
| Scottish and Irish metalwork and the 'conspiratio barbarica' | Laing, JenniferLaing, Lloyd | Article in Journal | | 1986 |
| Scottish trade with Ireland in the eighteenth century | Cochrane, L. E. | Monograph or Collective Volume | | 1985 |
| Sculptured memorials to the dead in early 17th-century Ireland : a survey from Monumenta Eblanae and other sources | Loeber, Rolf | Article in Journal | | 1981 |
| Seán na Ráithíneach | Ó Murchadha, S. | Monograph or Collective Volume | | 1954 |
| Seán Ó Neachtuin : an eighteenth-century Irish writer | Risk, M. H. | Article in Journal | | 1975 |
| Seanmóireacht in Éirinn ó 1000 go 1200 | Mac Donncha, Frederic | Article in Book | | 1982 |
| Seasonable advice to the electors of members of parliament at the ensuing general election | Lucas, Charles | Monograph or Collective Volume | | 1760 |
| Seasonal migration and post-famine adjustment in the West of Ireland | Ó Gráda, Cormac | Article in Journal | | 1973 |
| Seathrún Céitinn (c.1580-c.1644) : an cúlra stairiúil | Ó Corráin, Donnchadh | Article in Book | | 1986 |
| Seathrún Céitinn agus an stíl Bharócach a thug sé go hÉirinn | Ó Dúshláine, Tadhg | Article in Book | | 1986 |
| Secondary education | Ó Súillebháin, S. V. | Article in Book | | 1971 |
| Secondary education in Ireland : 1870-1921 | McElligott, T. J. | Monograph or Collective Volume | Irish Academic Press | 1981 |
| Secret Ireland : a fresh evaluation of some penal poetry, with some new translations | De Blacam, Aodh | Article in Journal | | 1949 |
| Secret service under Pitt | Fitzpatrick, W. J., 1830-1895 | Monograph or Collective Volume | | 1892 |
| Secret societies and agrarian violence in Ireland, 1790-1840 | Christianson, G. E. | Article in Journal | | 1972 |
| Secret societies in Ireland | | Monograph or Collective Volume | Gill & Macmillan | 1973 |
| Secular urban origins in early medieval Ireland | Graham, B. J. (Brian J.) | Article in Journal | | 1989 |
| Select bibliography of writings on Irish economic and social history published in 1987 | | Article in Journal | | 1988 |
| Select Documents III. Agreement between Ó Domhnaill and Tadgh Ó Conchobhair concerning Sligo Castle (23 June 1539) | | Article in Journal | | 1943 |
| Select Documents IV. Edward Walshe's 'Conjectures' concerning the state of Ireland [1552] | | Article in Journal | | 1947 |
| Select Documents IX. The Irish Parliamentary Party and the Liberals in mid-Ulster, 1894 | | Article in Journal | | 1951 |
| Select documents VIII. The vindication of the Earl of Kildare from treason, 1496 | | Article in Journal | | 1950 |
| Select documents XIX. The Irish House of Commons in 1769 | | Article in Journal | | 1958 |
| Select documents XL : An address to Aodh Ó Domhnaill in captivity, 1590 | | Article in Journal | | 1986 |
| Select documents XLI. Johann Friedrich Hering's description of Connacht, 1806-1807 | | Article in Journal | | 1987 |
| Select Documents XVI. The Irish wine trade, 1614-15 | | Article in Journal | | 1955 |
| Select documents XVII. The siege of Carrickfergus castle, 1315-16 | | Article in Journal | | 1956 |
| Select documents XXIV. Edward II and the revenues of Ireland in 1311-12 | | Article in Journal | | 1964 |
| Select documents XXIX. The justiciar and the murder of the MacMurroughs in 1282 | | Article in Journal | | 1972 |
| Select documents XXXII. The I.R.B. supreme council 1868-78 | | Article in Journal | | 1975 |
| Select documents XXXIX. The religious outlook of a Gaelic lord : a new light on Thomas Óg Maguire | | Article in Journal | | 1986 |
| Select documents XXXVI. Is the O'Neill-McCarthy letter of 1317 a forgery? | | Article in Journal | | 1982 |
| Select statutes, cases and documents to illustrate English constitutional history, 1660-1832. With additional matter on Irish and Canadian documents (1840-1931). New issue, containing additional matter. | | Monograph or Collective Volume | | 1935 |
| Selections from old Kerry records | Hickson, M. A. | Monograph or Collective Volume | | 1872 |
| Selections from the Zoilomastix of O'Sullivan Beare. Edited by T.J. O'Donnell | O'Sullivan Beare, Philip | Monograph or Collective Volume | | 1960 |
| Selections of Irish melodies, with symphonies and accompaniments by Sir John Stevenson, Mus. Doc., and characteristic words by Thomas Moore esq. 10 vols. | Moore, Thomas, 1779-1852Stevenson, John, Sir | Monograph or Collective Volume | | 1808 |
| Selling royal favours, 1624-32 | Clarke, Aidan, 1933-2020 | Article in Book | | 1976 |
| Senchas : the nature of Gaelic historical tradition | Byrne, Francis John, 1934-2017 | Article in Book | | 1974 |
| Sentry Hill : an Ulster farm and family | Walker, B. M. (Brian Mercer) | Monograph or Collective Volume | Blackstaff Press | 1981 |
| Septennial parliaments vindicated, or freedom against the oligarchy | [Mac Aulay, Alexander] | Monograph or Collective Volume | | 1762 |
| Sergeant Costume and the bridge of Athlone | Murtagh, Diarmuid | Article in Journal | | 1948 |
| Sermon and pamphlet literature in the Irish reformed Church, 1613-34 | Kilroy, P. | Article in Journal | | 1975 |
| Sermons on the following subjects : 1, The advantages of national repentance. 2, The ruinous effects of civil war. 3, The coming of the Son of Man. 4, The hope of meeting ... virtuous friends in a future world | Dickson, W. S. | Monograph or Collective Volume | | 1776 |
| Serpent-salve, 1643 : the royalism of John Bramhall | Sanderson, John | Article in Journal | | 1974 |
| Settlement and architecture in county Fermanagh, 1610-41 | Johnston, J. D. | Article in Journal | | 1981 |
| Settlement and society in Eighteenth-century Ireland | Whelan, Kevin | Article in Book | | 1991 |
| Settlement and society in medieval Ireland : studies presented to F.X. Martin, OSA | | Monograph or Collective Volume | Boethius Press | 1988 |
| Settlement and survival on an Ulster estate : the Brownlow leasebook, 1667-1711 | | Monograph or Collective Volume | Public Record Office of Northern Ireland | 1988 |
| Settlement development and trading in Ireland 1600-1800 : a preliminary investigation | O'Flanagan, P. | Article in Book | | 1983 |
| Settlement on a plantation estate : the Balfour rentals of 1632 and 1636 | Johnston, J. | Article in Journal | | 1985 |
| Settlement patterns and medieval colonization in Ireland : the example of Duleek in County Meath | Simms, Anngret | Article in Book | | 1979 |
| Settlement patterns in county Fermanagh, 1610-1660 | Johnston, J. | Article in Journal | | 1980 |
| Settlement terms in Irish place-names | Flanagan, Deirdre | Article in Journal | | 1972 |
| Seven centuries of Irish learning 1000-1700 | | Monograph or Collective Volume | The Stationery Office for Radio Éireann | 1961 |
| Seven Irish documents from the Inchiquin archives | | Article in Journal | | 1970 |
| Seventeenth century portraits in the Ormonde collection : four portraits of James, 1st Duke of Ormonde (1610-1688) | Fenlon, Jane | Article in Journal | | 1985 |
| Seventeenth-century Clare : a brief survey | Ó Murchadha, Ciarán | Article in Journal | | 1983 |
| Seventeenth-century effigial sculpture in the north Meath area | King, Heather | Article in Book | | 1987 |
| Seventeenth-century English radicals and Ireland | Hill, Christopher, 1912-2003 | Article in Book | | 1985 |
| Seventeenth-century fortifications, forts and garrisons in Ireland : a preliminary list | Kerrigan, P. M. | Article in Journal | | 1980 |
| Seventeenth-century hearth-money rolls with full transcript relating to Co. Sligo | | Article in Journal | | 1967 |
| Seventeenth-century interpretations of the past : the case of Geoffrey Keating | Cunningham, Bernadette | Article in Journal | | 1986 |
| Seventeenth-century Ireland : the war of religions | Fitzpatrick, Brendan | Monograph or Collective Volume | Gill & Macmillan | 1988 |
| Seventeenth-century Ireland, 1603-1702 | Simms, J. G. (John Gerald) | Article in Book | | 1971 |
| Seventeenth-century regal visitations | Phair, P. B. | Article in Journal | | 1979 |
| Seventh-century documents | Byrne, Francis John, 1934-2017 | Article in Journal | | 1967 |
| Several special cases on the laws against the further growth of popery in Ireland | Howard, G. E. | Monograph or Collective Volume | | 1775 |
| Sex and marriage in ancient Ireland | Power, P. C. | Monograph or Collective Volume | | 1976 |
| Sgiath lúithreach an Choxaigh | | Article in Journal | | 1948 |
| Shane O'Neill comes to the court of Elizabeth | Hogan, James | Article in Book | | 1947 |
| Sheets of many colours : the mapping of Ireland's rocks, 1750-1890 | Heines Davies, G. L. | Monograph or Collective Volume | | 1983 |
| Sheridan Le Fanu and Victorian Ireland | McCormack, W. J. | Monograph or Collective Volume | Clarendon Press | 1980 |
| Sheriffs of the County Cork : Henry III to 1660 | Berry, H. F. | Article in Journal | | 1905 |
| Ship graffiti and models | Christensen, Arne Emil | Article in Book | | 1988 |
| Shipbuilders to the world : 125 years of Harland and Wolff, Belfast | Hume, John RobertMoss, Michael S. | Monograph or Collective Volume | Blackstaff Press | 1986 |
| Shipbuilding in Belfast, 1861-1986 | Geary, FrankJohnson, W. | Article in Journal | | 1989 |
| Ships, harbours and navigation between the Continent and the Celtic Islands during the early Middle Ages | Gildas, Bernier | Article in Book | | 1989 |
| Shopkeeper-graziers and land agitation in Ireland, 1895-1900 | Gibbons, J. P.Higgins, M. D. | Article in Book | | 1982 |
| Short study of a transplanted family in the seventeenth century | MacLysaght, Edward | Monograph or Collective Volume | | 1935 |
| Sick-maintenance in Irish law | Binchy, D. A. (Daniel Anthony), 1900-1989 | Article in Journal | | 1938 |
| Sidelights on eighteenth-century Irish estate management | Ainsworth, John F. | Article in Journal | | 1963 |
| Sidelights on the Dublin diocesan archives | Purcell, Mary | Article in Journal | | 1981 |
| Sidley, Sir Ralph | Lambert, G. W. | Article in Journal | | 1945 |
| Sidney state papers, 1565-70 | | Monograph or Collective Volume | | 1962 |
| Siege city : the story of Derry and Londonderry | Lacy, Brian | Monograph or Collective Volume | | 1990 |
| Siege city : the story of Derry and Londonderry | Lacy, Brian | Monograph or Collective Volume | | 1991 |
| Silva gadelica : a collection of tales in Irish. 2 vols. | | Monograph or Collective Volume | Williams & Norgate | 1892 |
| Sint-Truiden : Irish Franciscan documents | | Article in Journal | | 1963 |
| Sir Antony MacDonnell and Crime Branch Special | Mandle, W. F. | Article in Book | | 1986 |
| Sir Charles Gavan Duffy : Young Irelander and imperial statesman | Mulvey, H. F. | Article in Journal | | 1952 |
| Sir Charles Wogan and the Oran campaign | Lasok, K. P. E. | Article in Journal | | 2025 |
| Sir George Cornewall Lewis, a different kind of Englishman | Palmer, S. H. | Article in Journal | | 1981 |
| Sir Hans Sloane, founder of the British Museum : legend and lineage | Sloan, W. R. | Monograph or Collective Volume | | 1981 |
| Sir Henry Sidney's Memoir of his Government in Ireland, 1583 | Anonymous | Article in Journal | | 1860 |
| Sir Horace Plunkett and agricultural reform | Ehrlich, C. | Article in Book | | 1982 |
| Sir James Ware, historian and antiquary, 1594-1666 : an address delivered in Trinity College, Dublin, June 1932 | Jourdan, G. V. | Monograph or Collective Volume | | 1953 |
| Sir John Davies in Cavan in 1606 and 1610 | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Journal | | 1961 |
| Sir John Davies's Law Reports and the case of proxies | Pawlisch, Hans | Article in Journal | | 1983 |
| Sir John Howley, 1789-1866 | Finegan, Francis | Article in Journal | | 1951 |
| Sir John T. Gilbert, 1829-98 | Dixon, F. E. | Article in Journal | | 1968 |
| Sir Niall Garbh O'Donnell and the rebellion of Sir Cahir O'Doherty | Ó Domhnaill, N. G. | Article in Journal | | 1942 |
| Sir Paul Rycaut's memoranda and letters from Ireland, 1686-7 | | Article in Journal | | 1972 |
| Sir Ralph Bingley, c.1570-1627 : Ulster planter | Hunter, R. J. (Robert J.) | Article in Book | | 1981 |
| Sir Richard Cox's description of Kerry, 1687 | De Brún, Pádraig | Article in Journal | | 1972 |
| Sir Richard Grenville, governor of Trim : the career and character of an English soldier in Ireland, 1642-3 | Miller, Amos Calvin | Article in Journal | | 1973 |
| Sir Richard Griffith : the man and his work | Hussey, M. O. | Article in Journal | | 1965 |
| Sir Richard Reade, Lord Chancellor of Ireland | Sorley, M. E. | Article in Journal | | 1962 |
| Sir Robert Anderson, K.C.B., Ll.D., and Lady Agnes Anderson | Moore-Anderson, A. P. | Monograph or Collective Volume | | 1947 |
| Sir Roland Fitz Eustace | O'Farrell, Rory | Article in Journal | | 1982 |
| Sir Thomas Cusack | Kelly, J. P. | Article in Book | | 1962 |
| Sir Thomas Phillips of Hammersmith and Limavady | Phillips, Frank | Article in Journal | | 1986 |
| Sir Thomas Smith (1513-77) and the beginnings of English colonial theory | Quinn, D. B. (David Beers) | Article in Journal | | 1945 |
| Sir Thomas Stucley, c 1525-78 : traitor extraordinary | Izon, John | Monograph or Collective Volume | Andrew Melrose | 1956 |
| Sir Walter Crofton and the reform of the Irish convict system, 1854-61 | Hinde, S. E. | Article in Journal | | 1977 |
| Sir Walter Scott and Ireland | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Book | | 1977 |
| Sir Warham St. Leger and the first Munster plantation | Piveronus, P. J. | Article in Journal | | 1979 |
| Sir William Gregory | Hone, Joseph Maunsell, 1882-1959 | Article in Journal | | 1955 |
| Sir William Gregory of Coole : the biography of an Anglo-Irishman | Jenkins, Brian A. | Monograph or Collective Volume | | 1986 |
| Sir William Hull in seventeenth century Bandon | Bradley, Pamela | Article in Journal | | 1988 |
| Sir William Petty as Kerry ironmaster | Barnard, T. C. (Toby Christopher) | Article in Journal | | 1982 |
| Sir William Petty, Irish landowner | Barnard, T. C. (Toby Christopher) | Article in Book | | 1981 |
| Sir William Wilde, 1815-1876 | Froggatt, P. | Article in Journal | | 1977 |
| Six generations : life and work in Ireland from 1790 | Cullen, L. M. (Louis Michael) | Monograph or Collective Volume | Mercier Press | 1970 |
| Six silver finds of the Viking period from the vicinity of Lough Ennell, Co. Westmeath | OthersRyan, MichaelÓ Floinn, Raghnall | Article in Journal | | 1984 |
| Six unpublished letters of Charles Stewart Parnell | | Article in Journal | | 1983 |
| Sixteenth century Irish swords in the National Museum of Ireland | Hayes-McCoy, G. A. (Gerard Anthony) | Monograph or Collective Volume | | 1977 |
| Sixteenth century swords found in Ireland | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Journal | | 1948 |
| Sixteenth-century Ulster and the failure of Tudor reform | Brady, Ciarán, 1952- | Article in Book | | 1989 |
| Sketches of Ireland sixty years ago | [Walsh, J.E.] | Monograph or Collective Volume | | 1849 |
| Sliocht do Riaghail na sacart | | Article in Journal | | 1919 |
| Smaointe Beatha Chríost. i. innsint Ghaelge a chuir Tomás Gruamdha Ó Bruacháin (fl. c.1450) ar an Meditationes vitae Christi | | Monograph or Collective Volume | Institiúid Árd-Léinn Bhaile Átha Cliath [Dublin Institute for Advanced Studies] | 1944 |
| Smart, Berkeley, the scientists and the poets : a note on eighteenth-century anti-Newtonianism | Greene, D. J. | Article in Journal | | 1953 |
| Smashing times : a history of the Irish Women's Suffrage Movement 1889-1922 | Owens, Rosemary Cullen | Monograph or Collective Volume | Attic | 1984 |
| Smith O'Brien and the 'secession' | Gwynn, D. R. (Denis Rolleston), 1893-1972 | Article in Journal | | 1947 |
| Smollett and the eighteenth-century Irish book trade | Cole, R. C. | Article in Journal | | 1975 |
| Social and economic history of Ireland since 1800 | Daly, Mary E., 1948- | Monograph or Collective Volume | Educational Company of Ireland | 1981 |
| Social life in County Clare, 1800-50 | Mac Lochlainn, Alf, 1926- | Article in Journal | | 1972 |
| Social order and the ghost of moral economy in pre-famine Mayo | McCabe, Desmond | Article in Book | | 1987 |
| Social policy in early modern Ireland | Powell, Fred | Article in Journal | | 1982 |
| Socialism and republican schism in Ireland : the emergence of the Republican Congress in 1934 | English, Richard, 1963- | Article in Journal | | 1990 |
| Society and settlements in 19th century Ireland | Hughes, T. Jones (Thomas Jones) 1922-2011 | Article in Journal | | 1965 |
| Society of the United Irishmen of Dublin | Anonymous | Monograph or Collective Volume | | 1794 |
| Socio-demographic characteristics of Irish immigrants, 1846-1851 | Glazier, I. A.Mageen, DeidreOkeke, Barnabus | Article in Book | | 1989 |
| Soil Erosion following Deforestation in the Early Christian Period in South Wexford | Culleton, E. B.Mitchell, G. F. (George Francis), 1912-1997 | Article in Journal | | 1978 |
| Some 19th century roots of the Ulster problem, 1829-48 | Cahill, G. A. | Article in Journal | | 1971 |
| Some account of the first apparent symptoms of the late rebellion in the county of Kildare ... with a narrative of some of the most remarkable passages in the rise and progress of the rebellion in the county of Wexford... | Alexander, James | Monograph or Collective Volume | | 1800 |
| Some account of the public life and a selection from the unpublished writings of the earl of Macartney. 2 vols. | | Monograph or Collective Volume | | 1807 |
| Some account of the territory or dominion of Farney in the province and earldom of Ulster | Shirley, E. P. | Monograph or Collective Volume | | 1845 |
| Some ancient deeds of the parish of St Werburgh, Dublin, 1243-1676 | Berry, H. F. | Article in Journal | | 1915 |
| Some ancient deeds of the parishes of St. Catherine and St. James, Dublin, 1296-1743 | | Article in Journal | | 1918 |
| Some ancient Irish salmon fishing weirs | Went, A. E. J. | Article in Journal | | 1966 |
| Some aspects of hagiography as a source for Irish economic history | Doherty, Charles | Article in Journal | | 1982 |
| Some aspects of law and policy in the administration of criminal justice in nineteenth-century Ireland | McEldowney, J. F. | Article in Book | | 1990 |
| Some aspects of medieval culture in Ireland | Roe, H. M. | Article in Journal | | 1966 |
| Some aspects of the Ireland of 1860 | Travers, C. S. | Article in Journal | | 1962 |
| Some aspects of the wars in Ireland, 1641-1649 | Lowe, John | Article in Journal | | 1960 |
| Some aspects of the wars in Ireland, 1641-9 | Lowe, John | Article in Journal | | 1959 |
| Some aspects of theme and structure in Pers of Bermingham | Benskin, MichaelRøstvig, Maren-Sofie | Article in Book | | 1989 |
| Some attitudes to religious freedom and ecumenism in pre-emancipation Ireland | Murphy, Ignatius | Article in Journal | | 1966 |
| Some Celtic legal terms | Binchy, D. A. (Daniel Anthony), 1900-1989 | Article in Journal | | 1956 |
| Some coin names in Ceart Uí Néill | Dolley, MichaelMac Niocaill, Gearóid | Article in Journal | | 1967 |
| Some comparative aspects of Irish law | Donaldson, A. G. | Monograph or Collective Volume | Duke University Press | 1957 |
| Some considerations for the promoting of agriculture, and employing the poor | Molesworth, Robert, Viscount Molesworth | Monograph or Collective Volume | | 1723 |
| Some correspondence of Father Luke Wadding, O.F.M. | Jennings, Brendan | Article in Journal | | 1959 |
| Some cross-inscribed slabs from the Irish midlands | Fanning, ThomasÓ Heailidhe, Pàdraig | Article in Book | | 1980 |
| Some destroyed sites at Shannon airport, County Clare | Rynne, Etienne | Article in Journal | | 1964 |
| Some documents on Irish law and custom in the sixteenth century | Nicholls, K. W. (Kenneth W.) | Article in Journal | | 1970 |
| Some early 17th century Butlers | Jackson, Donald | Article in Journal | | 1972 |
| Some early Christian and medieval sculpture from Coolcashin, Co. Kilkenny | Higgins, James | Article in Journal | | 1989 |
| Some earthworks in Co. Wexford | Hadden, George | Article in Journal | | 1964 |
| Some English, Scottish, Welsh and Irish arms in medieval continental rolls | Collins, S. M. | Article in Journal | | 1941 |
| Some further light on the 1891 Viking-age coin-hoard from Ballycastle | Dolley, Michael | Article in Journal | | 1973 |
| Some further medieval seals out of the Ormond archives, including that of Donal Reagh MacMurrough Kavanagh, king of Leinster | Curtis, Edmund, 1881-1943 | Article in Journal | | 1937 |
| Some Hiberno-Norse coins of Dublin recently discovered on the Baltic island of Gotland. (Two numismatic notes, i) | Dolley, Michael | Article in Journal | | 1968 |
| Some Hiberno-Norse headcoverings from Fishamble Street and St. John's Lane, Dublin | Heckett, Elizabeth Wincott | Article in Journal | | 1987 |
| Some hints for the better improvement of husbandry ... In a letter humbly submitted to ... the Earl of Halifax ... President of the Dublin Society | Baker, J. W. | Monograph or Collective Volume | | 1762 |
| Some hitherto unrecorded mementoes of William III (1650-1702), prince of Orange and king of England, from Lismullen, Navan, Co. Meath | MacLeod, Catriona | Article in Journal | | 1976 |
| Some illustrations of the commercial history of Dublin in the eighteenth century | Falkiner, C. L. (Caesar Litton) | Article in Journal | | 1903 |
| Some Irish bardic poems | McKenna, Lambert | Article in Journal | | 1952 |
| Some Irish dimensions to Manx history | Dolley, Michael | Monograph or Collective Volume | Queen's University | 1976 |
| Some Irish evidence for the date of the Crux coins of Aethelred II | Dolley, Michael | Article in Journal | | 1973 |
| Some Irish items relating to the MacDonnells of Antrim | Ó Cuív, Brian | Article in Journal | | 1984 |
| Some Irish scholars of the sixteenth century | Brady, John, d.1963 | Article in Journal | | 1948 |
| Some late 18th- and early 19th-century Dublin printers' account books : the Graisberry ledgers | Benson, CharlesKinane, Vincent | Article in Book | | 1990 |
| Some late medieval crosses in County Roscommon | Siggins, Albert | Article in Journal | | 1986 |
| Some late survivals of box-framed 'plantation' houses in Coleraine, County Londonderry | Robinson, Philip S. | Article in Journal | | 1984 |
| Some lesser known sources of Irish Baptist history | Gribbon, H. D. | Article in Journal | | 1974 |
| Some lists of priests in Ireland, 1684-94 | | Article in Journal | | 1985 |
| Some medieval documents | | Article in Journal | | 1937 |
| Some medieval Thomond tomb-sculpture : lost, found and imaginary | Harbison, Peter | Article in Journal | | 1971 |
| Some new facts concerning the knowledge of Vergil in early medieval Ireland | Hofman, Rijcklof | Article in Journal | | 1988 |
| Some notes on parliament and its Limerick members (1767-1771) | Snoddy, Cliodhna | Article in Journal | | 1965 |
| Some notes on the early British church | Best, W. S. | Article in Journal | | 1949 |
| Some notes on the history of the Book of Leinster | Gwynn, Aubrey | Article in Journal | | 1960 |
| Some notices of the castle and of the ecclesiastical buildings at Trim. | Butler, Richard, 1794-1862 | Monograph or Collective Volume | | 1861 |
| Some Ó Néill country maps 1575-1602 | Ó Conluain, Proinsias | Article in Journal | | 1987 |
| Some observations on a paper, call'd the report of the committee of the most honourable the privy council in England, relating to Wood's half-pence | Drapier, M. B. [i.e. Jonathan Swift] | Monograph or Collective Volume | | 1724 |
| Some observations on the context and importation of exotic material in Ireland, from the first century B.C. to the second century A.D. | Warner, R. B. | Article in Journal | | 1976 |
| Some observations on the production of flour and meal in the early historic period | Rynne, Colin | Article in Journal | | 1990 |
| Some palaeographical and linguistic features in early lives of Brigit | Connolly, Seán | Article in Book | | 1984 |
| Some parallels to New Ross | Glasscock, Robin E. | Article in Journal | | 1978 |
| Some place-names from 'The Red Book of the Earls of Kildare' | Nicholls, K. W. (Kenneth W.) | Article in Journal | | 1969 |
| Some police and military aspects of the Irish Volunteers | Ó Snodaigh, Pádraig | Article in Journal | | 1979 |
| Some problems concerning the organization of the Church in early medieval Ireland | Sharpe, Richard | Article in Journal | | 1984 |
| Some problems of the Irish mission, 1733-1774 : documents from Roman archives | | Article in Journal | | 1965 |
| Some protestant settlers in Ireland, 1662-1737 | Christmas, B. W. | Article in Journal | | 1988 |
| Some reasons shewing the necessity the people of Ireland are under for continuing to refuse Mr Wood's coinage | Anonymous | Monograph or Collective Volume | | 1724 |
| Some recent writings on Irish history | Hurst, Michael | Article in Journal | | 1970 |
| Some reflections concerning the reduction of gold coin in Ireland | Anonymous | Monograph or Collective Volume | | 1737 |
| Some reflections on the English coinages of Sihtric Caoch, king of Dublin and York | Dolley, MichaelMoore, C. N. | Article in Journal | | 1976 |
| Some remarks on a notice in Revue Celtique of Maurice O'Gibellan, a fourteenth century canonist, in connexion with his knowledge of Ogham | Berry, H. F. | Article in Journal | | 1902 |
| Some remarks on Cummian's Paschal Letter and the Commenta on Mark ascribed to Cummian | Walsh, Maura | Article in Book | | 1987 |
| Some remarks on Hiberno-Latin | Löfstedt, Bengt | Article in Journal | | 1979 |
| Some repercussions of the Act of Union on the Church of Ireland, 1801-20 | Brynn, Edward | Article in Journal | | 1971 |
| Some researches in ancient Irish law | Ó Buachalla, Liam | Article in Journal | | 1947 |
| Some responses to the protestant reformation in sixteenth-century Meath | Walshe, H. C. | Article in Journal | | 1987 |
| Some seventeenth-century links with Brittany | Mulloy, Sheila | Article in Journal | | 1985 |
| Some thoughts on the bill ... for prohibiting the exportation of the woollen manfactures of Ireland to foreign parts | Anonymous | Monograph or Collective Volume | | 1698 |
| Some unpublished Barry charters | | Article in Journal | | 1972 |
| Some unpublished letters of Mateo de Oviedo, archbishop of Dublin | | Article in Journal | | 1955 |
| Some unpublished texts from the Black Book of Christ Church, Dublin | | Article in Journal | | 1946 |
| Some verses of Tadhg Ó Cearbhaill | | Article in Journal | | 1982 |
| Souperism : myth or reality? A study of Catholics and Protestants during the Great Famine | Bowen, Desmond | Monograph or Collective Volume | Mercier Press | 1970 |
| Sources for early modern Irish history 1534-1641 | Edwards, R. W. D. (Robert Walter Dudley)O'Dowd, Mary | Monograph or Collective Volume | Cambridge University Press | 1985 |
| Sources for Irish genealogy in the library of the Society of Genealogists | | Monograph or Collective Volume | | 1990 |
| Sources for the history of the Irish Capuchins | De Meijer, A.Martin, F. X. (Francis Xavier), 1922-2000 | Article in Journal | | 1956 |
| Sources for the history of the Irish College, Rome | Hanley, John | Article in Journal | | 1964 |
| Sources for the study of the history of the secondary school curriculum : a survey of the Irish scene, 1921-1962 | O'Donoghue, T. A. (Thomas A.), 1953- | Article in Journal | | 1990 |
| South Africa | Doyle, F. B. | Monograph or Collective Volume | Gill | 1971 |
| South America | Canning, A. M. | Monograph or Collective Volume | Gill | 1971 |
| South Western Britain in the Dark Ages | Pearse, S. M. | Article in Journal | | 1971 |
| South-west Donegal in the seventeenth century | Graham, J. M. | Article in Journal | | 1969 |
| Spade making in Ireland | Gailey, Alan | Monograph or Collective Volume | Ulster Folk and Transport Museum | 1982 |
| Spade tillage in south-west Ulster and north Connacht | Gailey, Alan | Article in Journal | | 1968 |
| Spalpeens and tattie hokers : History and folk-lore of the Irish Migratory Agricultural Worker in Ireland and Britain | O'Dowd, Anne | Monograph or Collective Volume | Irish Academic Press | 1991 |
| Spanish intervention in Ireland, 1601-2 : Spanish bibliography | Silke, John J. | Article in Journal | | 1963 |
| Speaker Pery and the Pery papers | Malcomson, A. P. W. (Anthony) | Article in Journal | | 1973 |
| Speaking yet : Limavady Presbyterians and Balteagh | Black, J. S. P. | Monograph or Collective Volume | North-West Books | 1986 |
| Spenser and Ireland | Jenkins, R. | Article in Journal | | 1952 |
| Spenser and Ireland : an interdisciplinary perspective | | Monograph or Collective Volume | | 1989 |
| Spenser and the Munster officials | Judson, A. C. | Article in Journal | | 1947 |
| Spenser in Ireland | Henley, Pauline | Monograph or Collective Volume | | 1928 |
| Spenser's defense of Lord Grey | Jones, H. S. V. | Monograph or Collective Volume | | 1919 |
| Spenser's Irish crisis : humanism and experience in the 1590s | Brady, Ciarán, 1952- | Article in Journal | | 1986 |
| Spioradáltacht na hÉireann 1200-1500 | Ó Laoghaire, Diarmuid, SJ | Article in Book | | 1988 |
| Splendid failures | Graham, H. J. C. | Monograph or Collective Volume | | 1913 |
| Spoken English in Ireland, 1600-1740 : twenty-seven representative texts | Bliss, Alan J. | Monograph or Collective Volume | Cadenus Press | 1979 |
| Sprachliche Eigentümlichkeiten in den hiberno-lateinischen Texten des 7. und 8. Jahrhunderts | Herren, Michael | Article in Book | | 1982 |
| Spuren irischer Gebetsverbrüderungen zur Zeit Virgils | Ó Riain-Raedel, Dagmar | Article in Book | | 1985 |
| St Anthony's College of the Irish Franciscans, Louvain : 1927-1977, 1607-1977 | Conlan, Patrick, 1940- | Monograph or Collective Volume | | 1977 |
| St Bernard as an historian : the 'Life of St Malachy of Armagh' | O'Dwyer, B. W. | Article in Journal | | 1978 |
| St Brigid's crosses | O'Sullivan, J. C. | Article in Journal | | 1973 |
| St Canice's cathedral, Kilkenny | Leask, H. G. (Harold G.) | Article in Journal | | 1949 |
| St Columban : monk or missionary? | Walker, G. S. M. | Article in Book | | 1970 |
| St Malachy of Armagh | Gwynn, Aubrey | Article in Journal | | 1949 |
| St Mary's cathedral, Limerick : its development and growth | Hewson, R. F. | Article in Journal | | 1944 |
| St Patrick and the Defensio | Ó Raifeartaigh, T. | Article in Journal | | 1983 |
| St Patrick's Day parades in nineteenth-century Toronto : a study of immigrant adjustment and elite control | Cottrell, Michael | Article in Journal | | 1992 |
| St Patrick's Purgatory : pilgrimage motifs in a medieval otherworld vision | Zaleski, C. G. | Article in Journal | | 1985 |
| St Patrick's Rock, Cashel, Co. Tipperary | Leask, H. G. (Harold G.) | Monograph or Collective Volume | | 1940 |
| St. Bega : cult, fact and legend | Todd, John M. | Article in Journal | | 1980 |
| St. Bernard of Clairvaux's Life of St. Malachy of Armagh | Lawlor, H. J. (Hugh Jackson), 1860-1938 | Monograph or Collective Volume | | 1920 |
| St. Brendan sources : St. Brendan and early Irish hagiography | Ó Caoimh, Tomás | Article in Book | | 1989 |
| St. Cuthbert, his Cult and his Community to AD 1200 | | Monograph or Collective Volume | | 1989 |
| St. Enoch's congregation, 1872-1972 : an account of Presbyterianism in Belfast | Barkley, John M. | Monograph or Collective Volume | St Enoch's Church | 1972 |
| St. Kieran's College Kilkenny 1782-1982 | Ó Fearghail, F. | Monograph or Collective Volume | | 1982 |
| St. Kilian : 1300 Jahre Märtyrium der Frankenapostel. 2 vols. | | Monograph or Collective Volume | | 1989 |
| St. Patrick : his writings and Muirchu's 'Life' | | Monograph or Collective Volume | | 1978 |
| St. Patrick and Armagh | Ó Fiaich, Tomás | Article in Journal | | 1958 |
| St. Patrick and Coroticus | Thompson, E. A. | Article in Journal | | 1980 |
| St. Patrick and Irish Christianity | Corfe, Tom | Monograph or Collective Volume | Cambridge University Press | 1973 |
| St. Patrick and the coming of Christianity | Bieler, Ludwig | Monograph or Collective Volume | Gill | 1967 |
| St. Patrick and the see of Armagh | Sharpe, Richard | Article in Journal | | 1982 |
| St. Patrick's "First Synod" | Binchy, D. A. (Daniel Anthony), 1900-1989 | Article in Journal | | 1968 |
| St. Patrick's journey through West Limerick | Keane, Edward | Article in Book | | 1967 |
| St. Patrick's Purgatory : Francesco Chiericati's letter to Isabella d'Este | Purcell, M. | Article in Journal | | 1987 |
| St. Patrick, Confession et Lettre à Coroticus : introduction, texte critique, traduction et notes | Blanc, CécileHanson, R. P. C. | Monograph or Collective Volume | | 1978 |
| St. Patrick. His origins and career | Hanson, R. C. P. | Monograph or Collective Volume | | 1968 |
| St. Willibrord and Ireland | Janssens, H. | Article in Journal | | 1952 |
| Stair Éamuinn Uí Chléire, do réir Sheáin Uí Neachtain, i n-eagar ag Eoghan Ó Neachtain | Ó Neachtáin, Seán | Monograph or Collective Volume | | 1918 |
| Stair Ercuil ocus a bás. The life and death of Hercules | | Monograph or Collective Volume | Educational Company of Ireland | 1939 |
| Stair fhir-cheart ar Éirinn | | Monograph or Collective Volume | | 1941 |
| State of the borough representation | Newport, John, Sir | Article in Book | | 1832 |
| State-aided emigration schemes from crown estates in Ireland, c. 1850 | Ellis, Eilish | Article in Journal | | 1960 |
| Statistical survey of the county of Armagh | Coote, Charles, Sir | Monograph or Collective Volume | | 1803 |
| Statistical survey of the county of Cavan | Coote, Charles, Sir | Monograph or Collective Volume | | 1802 |
| Statistical survey of the county of Monaghan | Coote, Charles, Sir | Monograph or Collective Volume | | 1801 |
| Statute rolls of the parliament of Ireland. 1 : Statutes and ordinances and acts of the parliament of Ireland : King John to Henry V; 2 : Hen. VI; 3 : 1-12 Edw. IV; 4 : 12-22 Edw. IV. [4 vols]. | | Monograph or Collective Volume | | 1939 |
| Statutes 10 Henry VI to 14 Elizabeth established in Ireland | Anonymous | Monograph or Collective Volume | | 1572 |
| Steam in the Irish Sea | Pearsall, A. W. H. | Article in Book | | 1989 |
| Stopping the hunt 1881-1882 | Curtis, L. Perry, jr. | Article in Book | | 1987 |
| Stottiana for 1000 years | Stott, M. D.Stott, W. T. | Article in Journal | | 1952 |
| Strafford and Ireland : the history of his viceroyalty, with an account of his trial. 2 vols. | O'Grady, W. H. A. | Monograph or Collective Volume | | 1923 |
| Strafford and the Byrnes' country | Cooper, John Phillips | Article in Journal | | 1966 |
| Strafford in Ireland, 1633-41 : a study in absolutism | Kearney, H. F. | Monograph or Collective Volume | | 1959 |
| Strange changes at King John's castle | Wiggins, Kenneth | Article in Journal | | 1991 |
| Strongbow's conquest of Ireland. Translations from the works of Gerald de Barri, Roger of Howden [and others] | Barnard, F. P. (Francis Pierrepont) | Monograph or Collective Volume | | 1888 |
| Structural patterns in early Hiberno-Latin hagiography | Picard, Jean-Michel | Article in Journal | | 1985 |
| Students of the Irish College, Salamanca | O'Doherty, D. J. | Article in Journal | | 1914 |
| Studia Hibernica | Blatt, Franz | Article in Journal | | 1953 |
| Studies in building history : essays in recognition of the work of B.H.St.J. O'Neil | Jope, E. M. | Monograph or Collective Volume | | 1961 |
| Studies in Celtic survival | | Monograph or Collective Volume | | 1977 |
| Studies in early Irish law | Binchy, D. A. (Daniel Anthony), 1900-1989Dillon, MylesKnoch, AugustMulchrone, KathleenPower, NancyRyan, JohnThurneysen, Rudolf | Monograph or Collective Volume | | 1936 |
| Studies in Irish history : presented to R. Dudley Edwards | Cosgrove, ArtMcCartney, Donal | Monograph or Collective Volume | University College Dublin | 1979 |
| Studies in Late Quaternary deposits and flora-history of Ireland | Jessen, Knud | Article in Journal | | 1948 |
| Studies in medieval Cistercian history presented to J.F. O'Sullivan | Anonymous | Monograph or Collective Volume | | 1971 |
| Studies in the history of classical teaching, Irish and Continental, 1500-1700 | Corcoran, Timothy Joseph, 1872-1943 | Monograph or Collective Volume | | 1911 |
| Studies on early Ireland : essays in honour of M.V. Duignan | | Monograph or Collective Volume | | 1982 |
| Supplement to Irish families | MacLysaght, Edward | Monograph or Collective Volume | Helicon | 1964 |
| Supply elasticities in Irish agriculture : a reply | Ó Gráda, Cormac | Article in Journal | | 1980 |
| Supply responsiveness in Irish agriculture during the nineteenth century | Ó Gráda, Cormac | Article in Journal | | 1975 |
| Survey of documents in private keeping, 2nd series | Ainsworth, John F.MacLysaght, Edward | Article in Journal | | 1958 |
| Survey of documents in private keeping. 3rd series. | Ainsworth, John F. | Article in Journal | | 1967 |
| Survey of documents in private keeping. First series | MacLysaght, Edward | Article in Journal | | 1944 |
| Surveys of Ireland in the seventeenth century | McLaughlin, P. J. | Article in Journal | | 1950 |
| Survival and reorganisation, 1650-95 | Millett, Benignus | Monograph or Collective Volume | Gill | 1968 |
| Swift : the priest in politics | Beckett, J. C. (James Camlin) | Article in Book | | 1972 |
| Swift and Anglican nationalism : the religious background of 'A tale of a tub' | Harth, Philip | Monograph or Collective Volume | Chicago University Press | 1961 |
| Swift and the Gaelic tradition | Mercier, Vivian | Article in Journal | | 1962 |
| Swift and the Ireland of his day | Jeffares, A. N. | Article in Journal | | 1972 |
| Swift's "Strange Sermon" | Daw, C. P. | Article in Journal | | 1975 |
| Swift's first will and the first use of the provost's negative at T[rinityl C[ollege] D[ublin] | Mayhew, G. P. | Article in Journal | | 1958 |
| Swift's hospital : a history of St Patrick's Hospital, Dublin, 1746-1989 | Malcolm, Elizabeth | Monograph or Collective Volume | Gill & Macmillan | 1989 |
| Swifts's deanery income : a new document | Landa, Louis A., 1901- | Article in Book | | 1949 |
| Sword, Word, and strategy in the Reformation in Ireland | Bradshaw, Brendan, 1937-2017 | Article in Journal | | 1978 |
| Sylvester Devenish and the Irish in 19th Century Trinidad | De Verteuil, Anthony | Monograph or Collective Volume | Paria | 1986 |
| T.W.M. | Lyons, F. S. L. (Francis Stewart Leland) | Article in Book | | 1980 |
| Tables relating to some Dublin newspapers of the eighteenth century, shewing what volumes, &c., of each are extant and where access to them can be had in Dublin | Dix, E. R. McC. (Ernest Reginald McClintock), 1857-1936 | Monograph or Collective Volume | | 1910 |
| Tablets and headstones in the church and graveyard of Dunboyne Church of Ireland, Co. Meath (continued) | Kenny, MichaelMoore, B. F. E. | Article in Journal | | 1979 |
| Tablets and headstones in the church and graveyard of Dunboyne Church of Ireland, Co. Meath, 1 | Kenny, MichaelMoore, B. F. E. | Article in Journal | | 1979 |
| Tadgh O'Daly and Sir George Carew | O'Sullivan, Anne | Article in Journal | | 1971 |
| Tadhg O Roddy and two surveys of Co. Leitrim | Logan, John | Article in Journal | | 1971 |
| Tale of a great sham by Anna Parnell | | Monograph or Collective Volume | | 1986 |
| Tales of the British aristocracy | Pine, L. G. | Monograph or Collective Volume | | 1956 |
| Tartans | Hesketh, Christian | Monograph or Collective Volume | | 1961 |
| Taxation and community in Wales and Ireland, 1272-1327 | Rudisill, GeorgeStrayer, J. R. | Article in Journal | | 1954 |
| Telling it slant : Swift and the journal to Stella | Steele, P. | Article in Book | | 1986 |
| Temperance and Irish nationalism | Malcolm, Elizabeth | Article in Book | | 1980 |
| Temptation in Kilkea again : 15th century representation of St Anthony | Harbison, Peter | Article in Journal | | 1979 |
| Temptation in Kilrea | Anderson, Jorgen | Article in Journal | | 1971 |
| Tenant farmers of the Barrymore estate, 1768 | Ó Buachalla, Liam | Article in Journal | | 1946 |
| Tenants and agriculture near Dublin in the fourteenth century | Mills, James | Article in Journal | | 1890 |
| Tercentenary of Owen Roe O'Neill | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Journal | | 1949 |
| Territorial divisions | Andrews, J. H. (John Harwood), 1927-2019 | Article in Book | | 1968 |
| Terryglass castle, Co. Tipperary | Leask, H. G. (Harold G.) | Article in Journal | | 1943 |
| Testing the depth of Catholic/ Protestant conflict : the case of Thomas Leland's "History of Ireland", 1773 | Liechty, Joseph | Article in Journal | | 1987 |
| Texts and calendars : an analytical guide to serial publications | Mullins, E. L. C. | Monograph or Collective Volume | | 1958 |
| Texts and calendars II : an analytical guide to serial publications 1957-1982 | Mullins, E. L. C. | Monograph or Collective Volume | | 1983 |
| Thaddaeus Connellan and his books of Irish poetry | O'Sullivan, Donal | Article in Journal | | 1941 |
| The "Appeal to the hillsides" : Parnell and the Fenians 1890-1891 | Callanan, Frank | Article in Book | | 1991 |
| The "blessed turf " : cholera and popular panic in Ireland, June 1832 | Connolly, Sean J. | Article in Journal | | 1983 |
| The "crech ríg" or "regal prey" | Ó Riain, Pádraig, 1939- | Article in Journal | | 1973 |
| The "David cycle" in Pictish art | Henderson, Isabel | Article in Book | | 1986 |
| The "vagabond friar" : Father Mathew's difficulties with the Irish bishops, 1840-1856 | Quinn, J. F. | Article in Journal | | 1992 |
| The 'Black Book' of King's Inns : an introduction with an abstract of contents | Power, Thomas | Article in Journal | | 1985 |
| The 'Crech Ríg' or 'Regal Prey' | Ó Riain, Pádraig, 1939- | Article in Journal | | 1973 |
| The 'Despard conspiracy' reconsidered | Elliott, Marianne | Article in Journal | | 1977 |
| The 'Hungry Forties' and the new Poor Law : a case study | Dunkley, Peter | Article in Journal | | 1974 |
| The 'illegitimate sons' of Owen Roe O'Neil | Casway, J. I. | Article in Journal | | 1986 |
| The 'Ireland' find (c. 1842) of profile halfpence of John | Dolley, Michael | Article in Journal | | 1966 |
| The 'Irish model' and the empire : a case for reassessment | Hawkins, Richard | Article in Book | | 1991 |
| The 'Irishes' in Scotland, 1644-7 | Roberts, Alasdair | Article in Journal | | 1984 |
| The 'moat' at Castletown Kilberry, Co. Meath | Moore, M. J. | Article in Journal | | 1988 |
| The 1639 coin hoard from near Glendalough as a case study in 'improvement' of seventeenth-century and later line illustrations of coins | Dolley, Michael | Article in Journal | | 1981 |
| The 1641 deposition | Clarke, Aidan, 1933-2020 | Article in Book | | 1986 |
| The 1641 war in Clogher | Ó Gallachair, Pádraig | Article in Journal | | 1962 |
| The 1798 Rebellion in Wexford : United Irishman Organisation, Membership and Leadership | Cullen, L. M. (Louis Michael) | Article in Book | | 1987 |
| The 1822 settlement of the Donegall estates | Maguire, W. A. (William Alexander) | Article in Journal | | 1976 |
| The abandoned mines of West Carbery : promoters, adventurers and miners | Cowman, D.Reilly, T. A. | Monograph or Collective Volume | | 1988 |
| The Abbé Edgeworth (1745-1807) | Woodgate, M. V. | Monograph or Collective Volume | Browne and Nolan | 1945 |
| The abbey of St Francis, Galway | Jennings, Brendan | Article in Journal | | 1946 |
| The abbey of St Thomas the Martyr, near Dublin | Elliott, A. L. | Article in Book | | 1990 |
| The active Irish peers in the early eighteenth century | James, F. G. | Article in Journal | | 1979 |
| The Acts of Trade | Andrews, Charles McLean | Article in Book | | 1929 |
| The additional letters of the Ogam alphabet | Simms-Williams, Patrick | Article in Journal | | 1992 |
| The address to Sir Richard Cox | Killeen, J. F. | Article in Journal | | 1982 |
| The administration of Ireland, 1172-1377 | Richardson, Henry Gerald,Sayles, George Osborne | Monograph or Collective Volume | The Stationery Office [for the Irish Manuscripts Commission] | 1963 |
| The adoption of the Solemn League and Covenant by the Scots in Ulster | Perceval-Maxwell, Michael | Article in Journal | | 1978 |
| The Advocacy of Passive Resistance in Ireland, 1916-1922 | Davis, Richard | Article in Journal | | 1977 |
| The age of Daniel O'Connell (1800-47) | Whyte, J. H. | Article in Book | | 1967 |
| The age of O'Connell, 1830-1845 | MacDonagh, Oliver | Article in Book | | 1989 |
| The age of the penal laws (1691-1778) | Wall, Maureen (née Mac Geehin) | Article in Book | | 1967 |
| The age of the stage coach | McCracken, J. L. | Article in Book | | 1972 |
| The age of the Viking wars (9th and 10th centuries) | De Paor, Liam | Article in Book | | 1967 |
| The aggrandisement of Armagh | De Paor, Liam | Article in Book | | 1971 |
| The agrarian opposition in Ulster politics | Bew, PaulWright, F. | Article in Book | | 1983 |
| The aims and achievements of Lord Grenville | Jupp, Peter, 1940-2006 | Article in Book | | 1976 |
| The Algerian attack on Baltimore, 1631 | Barnby, Henry | Article in Journal | | 1970 |
| The all-Irish 'Patriot Parliament' of 1689 | Savory, D. | Article in Journal | | 1953 |
| The alleged descent of the Marshalls from Dermot Mac Murrough | Griffith, L.Others | Article in Journal | | 1932 |
| The alternating dynasties, 734-1022 | Dalton, G. F. | Article in Journal | | 1976 |
| The American revolution and Ireland | O'Connell, Maurice R. | Article in Journal | | 1976 |
| The American trade | Heaton, Herbert, 1890- | Article in Book | | 1948 |
| The Anatomy of a Nationalist Revolution : Ireland, 1858-1928 | Garvin, Tom | Article in Journal | | 1986 |
| The ancestry of St. Oliver Plunket : a genealogical puzzle | Barnwell, S. B. | Article in Journal | | 1977 |
| The ancient and noble family of the Savages of the Ards | Savage-Armstrong, G. F. | Monograph or Collective Volume | | 1888 |
| The ancient chapter-house of the priory of the Holy Trinity, Dublin | Drew, Thomas | Article in Book | | 1990 |
| The ancient laws of Ireland. 1 : Senchus Mor : introduction and law of distress; 2 : Senchus Mor : law of distress (concluded) and other laws; 3 : Senchus Mor : customary law. Book of Aicill; 4 and 5 : Brehon law tracts, selected to illustrate early Irish land laws and the constitution of the Celtic family and tribe; 6 : Glossary | Atkinson, RobertHancock, W. NeilsonO'Mahony, ThaddeusRichey, A. G. (Alexander George) | Monograph or Collective Volume | Alexander Thom and Co., for H.M.S.O | 1865 |
| The ancient music of Ireland | Bunting, Edward | Monograph or Collective Volume | | 1797 |
| The ancient official seals of the city of Dublin | Strickland, W. G. | Article in Book | | 1990 |
| The Anglican world : problems of coexistence during the pontificates of Urban VIII and Innocent X (1623-1655) | Conway, Dominic | Article in Book | | 1972 |
| The anglicisation of Irish place-names | De hÓir, Éamonn | Article in Journal | | 1972 |
| The Anglo-American Alliance and the Irish Application for Membership of the United Nations | Fanning, Ronan | Article in Journal | | 1986 |
| The Anglo-Irish | White, Terence De Vere | Monograph or Collective Volume | Gollancz | 1972 |
| The Anglo-Irish | O'Faolain, Sean | Article in Book | | 1947 |
| The Anglo-Irish coinage and the ancient arms of Ireland | Dykes, David Wilmer | Article in Journal | | 1966 |
| The Anglo-Irish coinage of Edward III | Dykes, David Wilmer | Article in Journal | | 1976 |
| The Anglo-Irish coins and tokens in the Helsinki collection | Dolley, Michael | Article in Journal | | 1978 |
| The Anglo-Irish colony under strain, 1327-99 | Watt, J. A. | Article in Book | | 1987 |
| The Anglo-Irish tradition | Beckett, J. C. (James Camlin) | Monograph or Collective Volume | Faber | 1976 |
| The Anglo-Norman advance into the south-west midlands of Ireland, 1185-1221 | Cunningham, George | Monograph or Collective Volume | Parkmore Press | 1987 |
| The Anglo-Norman community in Tipperary and Kilkenny in the Middle Ages : change and continuity | Empey, C. A. (Adrian) | Article in Book | | 1988 |
| The Anglo-Norman invasion, 1167-71 | O'Doherty, J. F. | Article in Journal | | 1938 |
| The Anglo-Norman settlement in the cantred of Eliogarty | Empey, C. A. (Adrian) | Article in Book | | 1988 |
| The Anglo-Saxon pennies from the 'Upper Souterrain' at Knowth | Dolley, Michael | Article in Journal | | 1970 |
| The annals attributed to Tigernach | Walsh, Paul, Revd, 1885-1941 | Article in Journal | | 1940 |
| The annals in Cotton MS Titus A XXV | | Monograph or Collective Volume | | 1929 |
| The annals in Cotton MS Titus A XXV | | Article in Journal | | 1927 |
| The Annals of Connacht and Loch Cé and the monasteries of Boyle and Holy Trinity | O'Dwyer, B. W. | Article in Journal | | 1972 |
| The annals of Loch Cé. A chronicle of Irish affairs from A.D. 1014 to A.D. 1590. | | Monograph or Collective Volume | | 1965 |
| The annals of Tigernach | | Article in Journal | | 1897 |
| The Anne of Dublin : a sixteenth-century man-of-war | Appleby, John C. | Article in Journal | | 1988 |
| The anomalous long-cross coins in the Anglo-Irish portion of the Brussels hoard | Dolley, MichaelSeaby, W. A. | Article in Book | | 1971 |
| The antient and present state of the county and city of Cork. 2 vols. | Smith, Charles | Monograph or Collective Volume | | 1750 |
| The antient and present state of the county of Kerry | Smith, Charles | Monograph or Collective Volume | | 1756 |
| The Antient Concert Rooms | Stephenson, P. J. | Article in Journal | | 1942 |
| The antiquities of the County of Kerry | O'Donovan, John, 1806-1861 | Monograph or Collective Volume | Royal Carberry Books | 1983 |
| The application of water power to industrial purposes in the north of Ireland | McCutcheon, W. A. | Article in Journal | | 1965 |
| The appointment of blessed Oliver Plunket to Armagh | Ó Fiaich, Tomás | Article in Journal | | 1958 |
| The appointment of Catholic bishops in 19th century Ireland | Whyte, J. H. | Article in Journal | | 1962 |
| The appointment of Coabh and Erenagh | Barry, J. G. | Article in Journal | | 1960 |
| The appointment of coarb and erenagh | Barry, J. G. | Article in Journal | | 1960 |
| The appointment of Dr Troy to the see of Dublin | Peel, H. E. | Article in Journal | | 1971 |
| The appointment of sheriffs and the administration of justice in nineteenth-century Ireland | McEldowney, J. F. | Article in Book | | 1987 |
| The approach to an Irish poor law, 1828-33 | Conway, T. G. | Article in Journal | | 1971 |
| The archaeological significance of Wood Quay, Dublin | Wallace, Patrick F. | Article in Journal | | 1979 |
| The archaeology of Anglo-Norman Dublin | Wallace, Patrick (Patrick F.) | Article in Book | | 1985 |
| The archaeology of early historic Irish kingship | Warner, R. B. | Article in Book | | 1988 |
| The Archaeology of Early Medieval Ireland | Edwards, Nancy | Monograph or Collective Volume | Batsford | 1990 |
| The archaeology of Ireland | Harbison, Peter | Monograph or Collective Volume | The Bodley Head | 1976 |
| The Archaeology of Late Celtic Britain and Ireland, c.400-1200 AD | Laing, Lloyd | Monograph or Collective Volume | Methuen | 1975 |
| The archaeology of medieval Drogheda | Campbell, Kieran | Article in Journal | | 1987 |
| The archaeology of medieval Ireland | Barry, Terence B. | Monograph or Collective Volume | Methuen | 1987 |
| The archaeology of the Irish church in the eighth century | Hamlin, Ann | Article in Journal | | 1985 |
| The archdeacons of Armagh 1417-71 | Lynch, A. | Article in Journal | | 1981 |
| The archdeacons of Kells | Brady, John, d.1963 | Article in Journal | | 1947 |
| The architecture of Ireland : from the earliest times to 1880 | Craig, Maurice James | Monograph or Collective Volume | Batsford | 1982 |
| The architecture of the Cistercian churches of Ireland, 1142-1272 | Stalley, Roger | Article in Book | | 1986 |
| The archives of the archdiocese of Dublin | Sheehy, David C. | Article in Journal | | 1989 |
| The archives of the diocese of Cork & Ross, Ireland | Bolster, M. A. | Article in Journal | | 1988 |
| The archives of the Missionary Sisters of the Holy Rosary | Richardson, Cora | Article in Journal | | 1991 |
| The Armagh diocesan archives | Murray, Raymond | Article in Journal | | 1975 |
| The Armagh diocesan archives | Murray, Raymond | Article in Journal | | 1974 |
| The Armagh registers : an under-explored source for late medieval Ireland | Cosgrove, Art | Article in Journal | | 1990 |
| The Armagh Troubles, 1784-95 | Miller, David William, 1940- | Article in Book | | 1983 |
| The army and politics in Ireland, 1625-30 | Clarke, Aidan, 1933-2020 | Article in Journal | | 1964 |
| The army of Ulster, 1593-1601 | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Journal | | 1949 |
| The Arthur manuscript | | Article in Journal | | 1962 |
| The Atherton file | Clarke, Aidan, 1933-2020 | Article in Journal | | 1979 |
| The Augustinian abbey of St Mary the Virgin, Cong, Co. Mayo | Leask, H. G. (Harold G.) | Article in Journal | | 1941 |
| The Augustinian friaries in pre-reformation Ireland | Martin, F. X. (Francis Xavier), 1922-2000 | Article in Journal | | 1956 |
| The Augustinian priory of St Mary, Clontuskert O Many | Egan, Patrick K. | Article in Journal | | 1946 |
| The author and case of transplanting the Irish into Connaught vindicated from the unjust aspersions of Col. R. Laurence | Goodkin, Vincent | Monograph or Collective Volume | | 1655 |
| The authorship and structure of the 'Annals of Tigernach' | Mac Néill, Eoin | Article in Journal | | 1914 |
| The authorship of the manuscript Irish parliamentary diary (1776-89) in the Library of Congress | Thomas, Peter David Garner | Article in Journal | | 1962 |
| The authorship, date of composition and provenance of the so-called Lorica Gildae | Herren, Michael | Article in Journal | | 1973 |
| The autobiography of Theobald Wolfe Tone, 1763-98. 2 vols. | | Monograph or Collective Volume | | 1911 |
| The autograph manuscripts of the Annals of the Four Masters | Ó Muraíle, Nollaig | Article in Journal | | 1987 |
| The Background of the Battle of Tarbga | Mac Niocaill, Gearóid | Article in Journal | | 1976 |
| The background to a hidden age | Verschoyle, Denis | Article in Journal | | 1965 |
| The background to the arrest of Sir Christopher Preston in 1418 | Otway-Ruthven, Annette Jocelyn, 1909-1989 | Article in Journal | | 1981 |
| The Ballagh barracks riot of 1815 : an early tithe protest in co. Tipperary | Brennan, Niamh | Article in Book | | 1989 |
| The Ballyhagan inventories, 1716-40 | Gailey, Alan | Article in Journal | | 1977 |
| The Bank of Ireland, 1721 : land, credit and dependency | Ryder, M. | Article in Journal | | 1982 |
| The baronial possessions of Bangor and Saul in Man | Broderick, George | Article in Journal | | 1981 |
| The barons of Norragh, Co. Kildare, 1171-1660 | Curtis, Edmund, 1881-1943 | Article in Journal | | 1935 |
| The barony names of Fermanagh and Monaghan | Ó Muraíle, Nollaig | Article in Journal | | 1982 |
| The barony of Dunboyne | Butler, T. Blake | Article in Journal | | 1949 |
| The barony of Dunboyne | Butler, T. Blake | Article in Journal | | 1943 |
| The basilica in early Ireland | Doherty, Charles | Article in Journal | | 1984 |
| The Bath estate, 1700-77 | Ó Mearáin, Lorcán | Article in Journal | | 1966 |
| The battle of Affane | Butler, George | Article in Journal | | 1967 |
| The battle of Aughrim : two Danish sources | Jordan, J. | Article in Journal | | 1955 |
| The battle of Bantry Bay, 1 May 1689 | Le Fevre, Peter | Article in Journal | | 1990 |
| The battle of Callann, A.D. 1261 | Ó Murchadha, Diarmuid | Article in Journal | | 1961 |
| The battle of Clones, 1643 | Ó Mórdha, Pilib | Article in Journal | | 1962 |
| The battle of Clontarf | Ryan, J. | Article in Journal | | 1938 |
| The battle of Faughart | Sayles, George Osborne | Article in Book | | 1964 |
| The battle of Garvagh | McClelland, Aiken | Article in Journal | | 1973 |
| The battle of Móin Mhór, 1151 | Kelleher, J. V. | Article in Journal | | 1988 |
| The battle of Mullabrack, 5 September 1595 | McGleeson, C. F. | Article in Journal | | 1989 |
| The battle of Mullabrack, 5 September 1595 | McGleenon, C. F. | Article in Journal | | 1989 |
| The battle of the Boyne | Petrie, Charles Alexander, Sir | Article in Journal | | 1947 |
| The beauties of the press, with an appendix concerning the speech of Arthur O'Connor, on the Catholic question ... May 4, 1775; also, his letter to Lord Castlereagh | Anonymous | Monograph or Collective Volume | | 1800 |
| The beginning of the veto controversy in Ireland | O'Brien, Gerard | Article in Journal | | 1987 |
| The beginnings of a national protectorate : curial cardinals and the Irish church in the 15th century | Walsh, Katherine | Article in Journal | | 1974 |
| The beginnings of a national protectorate : curial cardinals and the Irish Church in the fifteenth century | Walsh, K. | Article in Journal | | 1974 |
| The beginnings of Christianity (5th and 6th centuries) | Ó Fiaich, Tomás | Article in Book | | 1967 |
| The beginnings of modern Ireland | Bradshaw, Brendan, 1937-2017 | Article in Book | | 1973 |
| The beginnings of the 'undertaker' system | Hayton, D. W. (David William) | Article in Book | | 1979 |
| The beginnings of the Irish creamery system, 1880-1914 | Ó Gráda, Cormac | Article in Journal | | 1977 |
| The Belfast Bank, 1827-1970 : 150 years of banking in Ireland | Simpson, N. | Monograph or Collective Volume | | 1975 |
| The Belfast cotton industry revisited | Geary, Frank | Article in Journal | | 1989 |
| The Belfast Fire Brigade, 1880-1914 | Brown, Kenneth Douglas, 1943- | Article in Journal | | 1989 |
| The Belfast labour dispute and riots of 1907 | McHugh, J. | Article in Journal | | 1977 |
| The Belfast letters, the Irish volunteers, 1778-79, and the catholics | Burns, R. E. | Article in Journal | | 1959 |
| The Belfast politics enlarged ... | | Monograph or Collective Volume | | 1818 |
| The Bell and the Blanket: journals of Irish Republican dissent | Carson, NiallHoey, Paddy | Article in Journal | | 2012 |
| The Belturbet Council and the election of March, 1650 | Casway, J. I. | Article in Journal | | 1986 |
| The Berkeley window in Trinity College, with an account of Berkeleian studies in the College, 1830-1900 | Furlong, E. J. | Article in Journal | | 1972 |
| The Bible and the Collectio Canonum Hibernensis | Sheehy, Maurice P. | Article in Book | | 1987 |
| The Bible used by Adomnán | Picard, Jean-Michel | Article in Book | | 1987 |
| The birth date of Hugh O'Neill, 2nd Earl of Tyrone | Graham, J. K. | Article in Journal | | 1938 |
| The bishop of Clogher's case | Micklewright, F. H. Amphlett | Article in Journal | | 1970 |
| The bishopric of Derry and the Irish Society of London, 1602-1705, 1 : 1602-70; 2 : 1670-1705. 2 vols. | Moody, T. W. (Theodore William), 1907-1984Simms, J. G. (John Gerald) | Monograph or Collective Volume | | 1968 |
| The bishops of Cork in the twelfth century | Gwynn, Aubrey | Article in Journal | | 1950 |
| The bishops' banishment act of 1697 (9 Will. III, c.1) | Simms, J. G. (John Gerald) | Article in Journal | | 1970 |
| The Black Book of Limerick | Russell, C. W. (Charles William) | Article in Book | | 1872 |
| The Black Book of Limerick | | Monograph or Collective Volume | | 1907 |
| The black north. An account of the six counties of unrecovered Ireland : their people, their treasures, and their history. With a foreword by Éamon de Valéra | De Blácam, Aodhysandrach | Monograph or Collective Volume | Gill | 1938 |
| The Blessed Virgin's Joys and Sorrows | Breeze, Andrew | Article in Journal | | 1990 |
| The Bloody Bridge and other papers relating to the insurrection of 1641 (Sir Phelim O'Neill's rebellion) | Fitzpatrick, Thomas | Monograph or Collective Volume | | 1903 |
| The bonfire in north Irish tradition. With appendix by G.B. Adams | Gailey, Alan | Article in Journal | | 1977 |
| The Book of Ballymote : a collection of pieces (prose and verse) in the Irish language compiled about the beginning of the fifteenth century | | Monograph or Collective Volume | Royal Irish Academy | 1887 |
| The book of Belfast | | Monograph or Collective Volume | | 1937 |
| The Book of Glendalough, or Rawlinson B502 | Ó Riain, Pádraig, 1939- | Article in Journal | | 1981 |
| The book of Kells : Reproductions of the manuscript in Trinity College, Dublin | Henry, Françoise, 1902-1982 | Monograph or Collective Volume | | 1974 |
| The Book of Leinster, formerly Lebar na Núachongbála. 5 vols. | | Monograph or Collective Volume | Institute for Advanced Studies | 1954 |
| The Book of Mac Carthaigh Riabhach : otherwise, The Book of Lismore | | Monograph or Collective Volume | The Stationery Office [for the Irish Manuscripts Commission] | 1950 |
| The Book of Magauran. Leabhar Méig Shamhradháin | | Monograph or Collective Volume | Institute for Advanced Studies | 1947 |
| The book of O'Hara : leabhar í Eadhra | | Monograph or Collective Volume | Institute for Advanced Studies | 1951 |
| The book of rights | | Monograph or Collective Volume | | 1847 |
| The Book of Survey and Distribution, of the estates in the county of Westmeath forfeited in the year MDCLII [1652] | | Monograph or Collective Volume | | 1852 |
| The Book of Uí Maine : otherwise called 'The Book of the O'Kellys' | | Monograph or Collective Volume | The Stationery Office [for the Irish Manuscripts Commission] | 1942 |
| The book of Uí Maine, formerly the book of Ó Dubhágain : scripts and structure | O'Sullivan, William, 1921-2000 | Article in Journal | | 1989 |
| The book of Ulster surnames | Bell, Robert | Monograph or Collective Volume | Blackstaff Press | 1989 |
| The books of 1798 | Carty, James | Article in Journal | | 1948 |
| The bothán scóir | Ó Danachair, Caoimhín, 1913-2002 | Article in Book | | 1967 |
| The boundaries of Fir Rois | Mac Íomhair, Diarmuid | Article in Journal | | 1961 |
| The Boyne Water, the Battle of the Boyne, 1690 | Ellis, Peter Berresford, 1943- | Monograph or Collective Volume | Hamilton | 1976 |
| The Boyton finds of coin of Edward I and II | Allen, Derek | Article in Journal | | 1936 |
| The breakdown of public security : the case of Ireland 1916-1921 and Palestine 1936-1939 | Bowden, Tom | Monograph or Collective Volume | | 1977 |
| The Brehon laws and their relation to the ancient Welsh institutes | Brynmor-Jones, David | Article in Journal | | 1904 |
| The brehons of later medieval Ireland | Simms, Katharine | Article in Book | | 1990 |
| The Bridge Castle, Thomastown, Co. Kilkenny | Murtagh, Ben | Article in Book | | 1988 |
| The British background to the Irish Rebellion of 1641 | Russell, Conrad Sebastian Robert, 5th earl Russell, 1937-2004 | Article in Journal | | 1988 |
| The British Campaign in Ireland, 1919-1921 : The Development of Political and Military Policies | Townshend, Charles | Monograph or Collective Volume | Oxford University Press | 1975 |
| The British Empire and Commonwealth | Harvey, HeatherSomervell, David Churchill | Monograph or Collective Volume | | 1959 |
| The British empiricists : Locke, Berkeley, Hume | Ayer, Alfred Jules, Sir, 1910-1989Dunn, JohnUrmson, J. O. | Monograph or Collective Volume | | 1992 |
| The British Isles, 1100-1500 : Comparisons, Contrasts and Connections | | Monograph or Collective Volume | Donald | 1988 |
| The British problem and the English Civil War | Russell, Conrad Sebastian Robert, 5th earl Russell, 1937-2004 | Article in Journal | | 1986 |
| The Bruce invasion and County Louth, 1315-1318 | Smith, Brendan, 1963- | Article in Journal | | 1989 |
| The buannadha : Irish professional soldiery of the sixteenth century | Ó Báille, M. | Article in Journal | | 1946 |
| The buffs and blues in Kinsale | Breathnach, Séamus | Article in Journal | | 1943 |
| The Buildings of Ireland : North west Ulster : the counties of Londonderry, Donegal, Fermanagh, and Tyrone. | Rowan, Alistair | Monograph or Collective Volume | | 1979 |
| The bull Laudabiliter | Norgate, Kate | Article in Journal | | 1893 |
| The bull Laudabiliter : a problem in medieval diplomatique and history | Sheehy, Maurice P. | Article in Journal | | 1961 |
| The bull Laudabiliter : a problem in medieval diplomatique and history | Sheehy, Maurice P. | Article in Journal | | 1960 |
| The burning of Wildgoose Lodge | Ó Muirí, Réamonn | Article in Journal | | 1986 |
| The Butler lordship | Empey, C. A. (Adrian) | Article in Journal | | 1968 |
| The Butlers of Aherlow and Owles | Nicholls, K. W. (Kenneth W.) | Article in Journal | | 1969 |
| The Cain Adomnain | Ryan, J. | Article in Book | | 1936 |
| The Cambro-Normans and the lordship of Leinster | Eagar, Brian | Article in Book | | 1988 |
| The campaign guide ... a handbook for Unionist speakers | Anonymous | Monograph or Collective Volume | | 1892 |
| The campaign of Red Hugh O'Donnell, 1 | Emerson, L. J. | Article in Journal | | 1960 |
| The canals of the north of Ireland | McCutcheon, W. A. | Monograph or Collective Volume | David & Charles | 1965 |
| The canals of the south of Ireland | Delany, D. RDelany, V. T. H. | Monograph or Collective Volume | David & Charles | 1966 |
| The cantreds of medieval Tipperary | Empey, C. A. (Adrian) | Article in Journal | | 1970 |
| The cantreds of the medieval county of Kilkenny | Empey, C. A. (Adrian) | Article in Journal | | 1971 |
| The capture of the Hoche in 1798 | Kerrigan, P. M. | Article in Journal | | 1977 |
| The career of Diarmait mac Mael na mBó | Ó Corráin, Donnchadh | Article in Journal | | 1972 |
| The career of Hugh, son of Rory O'Donnell, earl of Tyrconnell, in the Low Countries, 1607-42 | Jennings, Brendan | Article in Journal | | 1941 |
| The Careys | Rudnitzky, Honor | Monograph or Collective Volume | Blackstaff Press | 1978 |
| The Carmelite order in pre-Reformation Ireland | O'Dwyer, Peter | Article in Journal | | 1969 |
| The Caroline tradition of the Church of Ireland, with particular reference to Bishop Jeremy Taylor | Bolton, F. R. | Monograph or Collective Volume | | 1958 |
| The Carrick-on-Suir woollen industry in the eighteenth century | Clarkson, L. A. (Leslie A.) | Article in Journal | | 1989 |
| The case of Ireland's being bound by acts of parliament in England stated | Molyneux, William | Monograph or Collective Volume | | 1698 |
| The case of tanistry | Buckley, Fred | Article in Journal | | 1984 |
| The case of The Queen v. McKenna (1869) and jury packing in Ireland | McEldowney, J. F. | Article in Journal | | 1977 |
| The case of the Roman Catholics of Ireland | [O'Conor, Charles] | Monograph or Collective Volume | | 1755 |
| The castle of Castlereagh, Co. Down | McNeill, T. E. | Article in Journal | | 1987 |
| The castle of Dún Mic Óghmainn and the overlordship of Carbery | Ó Murchadha, Diarmuid | Article in Journal | | 1988 |
| The Castle of Inniskilling in 1593-1594 | Trimble, W. C. | Article in Journal | | 1931 |
| The castle of Raymond le Gros at Fodredunolan | Orpen, G. H. (Goddard Henry), 1852-1932 | Article in Journal | | 1906 |
| The castles of Co. Cavan | Davies, Oliver | Article in Journal | | 1948 |
| The cathedral church of St Patrick | Bernard, J. H. (John Henry), 1860-1927 | Monograph or Collective Volume | | 1903 |
| The cathedrals of Ireland. Photographs by Cormac Simms | Galloway, Peter | Monograph or Collective Volume | | 1992 |
| The Catholic Church and Ireland in the age of rebellion, 1859-73 | Norman, E. R. | Monograph or Collective Volume | Longmans | 1965 |
| The Catholic Church and the Irish temperance movement, 1838-1901 | Malcolm, Elizabeth | Article in Journal | | 1982 |
| The Catholic Church and the Northern Ireland crisis, 1968-1986 | McElroy, Gerald | Monograph or Collective Volume | | 1991 |
| The Catholic Church in nineteenth-century Ireland : a sociological study | Keenan, D. J. | Monograph or Collective Volume | Gill & Macmillan | 1983 |
| The Catholic Church in the Diocese of Ardagh : 1650-1870 | Kelly, James, 1959- | Article in Book | | 1991 |
| The Catholic Committee and the Kenmare secession | Wall, Maureen (née Mac Geehin) | Article in Journal | | 1947 |
| The Catholic community in eighteenth-century county Wexford | Whelan, Kevin | Article in Book | | 1990 |
| The catholic community in the nineteenth century | Corish, Patrick J. | Article in Journal | | 1983 |
| The Catholic Convention and Anglo-Irish politics, 1791-3 | O'Flaherty, E. | Article in Journal | | 1985 |
| The Catholic emancipation crisis in Ireland, 1823-29 | Reynolds, J. A. | Monograph or Collective Volume | Yale University Press | 1954 |
| The Catholic Irish soldier in the first World War : the 'racial environment' | Denman, Terence | Article in Journal | | 1991 |
| The catholic merchants, manufacturers and traders of Dublin, 1778-82 | Wall, Maureen (née Mac Geehin) | Article in Journal | | 1960 |
| The Catholic pamphlets of Charles O'Conor (1710-91) | Ward, C. C.Ward, R. E. | Article in Journal | | 1979 |
| The Catholic Question in Ireland and England, 1798-1822 : The Papers of Denys Scully | | Monograph or Collective Volume | | 1988 |
| The Catholic question, 1801-1812 | Connolly, Sean J. | Article in Book | | 1989 |
| The Catholic Record Society | Brady, John, d.1963 | Article in Journal | | 1950 |
| The catholic relief act in Ireland, 1778 | Burns, R. E. | Article in Journal | | 1963 |
| The catholics of the towns and the quarterage dispute in eighteenth-century Ireland | Wall, Maureen (née Mac Geehin) | Article in Journal | | 1952 |
| The celebrated Mr Dinwiddie : An Eighteenth-Century Scientist in Ireland | Lunney, L. | Article in Journal | | 1988 |
| The Céli Dé reform | O'Dwyer, P. | Article in Book | | 1984 |
| The Celtic churches : a history, AD 200-1200 | McNeill, J. T. | Monograph or Collective Volume | Chicago University Press | 1974 |
| The Celtic expansion : a lecture given during the St. Columba celebrations ... in 1963 | Johnston, T. J. | Monograph or Collective Volume | A.P.C.K. | 1965 |
| The Celtic saints : our heritage | Mould, D. D. C. P. | Monograph or Collective Volume | Clonmore & Reynolds | 1956 |
| The chair of German at Trinity College, Dublin, 1775-1866 | Raraty, M. M. | Article in Journal | | 1966 |
| The changing course of Mayo politics, 1867-1874 | Moran, Gerard | Article in Book | | 1987 |
| The chantries in the Irish Reformation; the case of St Anne's Guild, Dublin, 1550-1630 | Lennon, Colm | Article in Book | | 1990 |
| The Charles II charter | Butler, Hubert | Article in Journal | | 1977 |
| The charm of Ireland. Her places of beauty, entertainment, sport and historic association | Gwynn, Stephen Lucius, 1864-1950 | Monograph or Collective Volume | | 1934 |
| The charters of John, lord of Ireland, to the see of Dublin | | Article in Journal | | 1964 |
| The Chief Justice and the Governor General Controversy in 1932 | McMahon, Deirdre, d.2026 | Article in Journal | | 1982 |
| The chief secretaries in Ireland 1566-1921 | Hughes, J. L. J. | Article in Journal | | 1952 |
| The chief's poet | Breatnach, Pádraig A. | Article in Journal | | 1983 |
| The Christian impact on early Ireland : place-names evidence | Flanagan, Deirdre | Article in Book | | 1984 |
| The Christian kings of Connacht | Walsh, Paul, Revd, 1885-1941 | Article in Journal | | 1937 |
| The Christian mission | Corish, Patrick J. | Monograph or Collective Volume | Gill | 1972 |
| The chronology of St. Patrick | Bieler, Ludwig | Article in Book | | 1965 |
| The chronology of the first Anglo-Irish coinage | Dolley, MichaelO'Sullivan, William, 1908-1992 | Article in Book | | 1967 |
| The church and English law in medieval Ireland | Hand, Geoffrey Joseph | Article in Journal | | 1959 |
| The Church and settlement | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 1984 |
| The church and the native tradition of learning in early medieval Ireland | Moisl, Hermann | Article in Book | | 1987 |
| The Church and the two nations in medieval Ireland | Watt, J. A. | Monograph or Collective Volume | University P. | 1970 |
| The church at the end of the sixth century | Ryan, J. | Article in Journal | | 1951 |
| The Church in Celtic Britain | Radford, Courtenay Arthur Ralegh, 1900-1998 | Article in Book | | 1965 |
| The church in early Irish society | Hughes, Kathleen Winifred | Monograph or Collective Volume | Methuen | 1966 |
| The church in Gaelic Ireland : thirteenth to fifteenth centuries | Mooney, Canice | Monograph or Collective Volume | Gill & Macmillan | 1969 |
| The Church in medieval Ireland | Watt, John | Monograph or Collective Volume | Gill & Macmillan | 1972 |
| The Church in the English lordship, 1216-1307 | Hand, Geoffrey Joseph | Monograph or Collective Volume | Gill | 1968 |
| The church of Armagh under lay control | Ó Fiaich, Tomás | Article in Journal | | 1969 |
| The Church of Ireland : a history | Milne, Kenneth | Monograph or Collective Volume | A.P.C.K. | 1966 |
| The Church of Ireland AD 432-1932. The Report of the Church of Ireland Conference held in Dublin, 11th-14th October, 1932, to which is appended on account of the commemoration by the Church of Ireland of 1500th anniversary of the landing of St Patrick | | Monograph or Collective Volume | | 1932 |
| The Church of Ireland and the Glorious Revolution of 1688 | McGuire, J. I. | Article in Book | | 1979 |
| The Church of Ireland and the patriot movement in the late eighteenth century | James, F. G. | Article in Journal | | 1982 |
| The Church of Ireland in the early eighteenth century | James, F. G | Article in Journal | | 1979 |
| The Church of Ireland's apologetic position in the years before disestablishment | Pinnington, J. E. | Article in Journal | | 1967 |
| The Church since emancipation : Church building | Kennedy, T. P. | Monograph or Collective Volume | Gill & Macmillan | 1970 |
| The Church since emancipation : Church reorganization | Cunningham, T. P. | Monograph or Collective Volume | Gill & Macmillan | 1970 |
| The Church since emancipation : Ecclesiastical learning | Corkery, John | Monograph or Collective Volume | Gill & Macmillan | 1970 |
| The Church since emancipation : Epilogue : Modern Ireland | McKevitt, Peter | Monograph or Collective Volume | Gill & Macmillan | 1970 |
| The church under the penal code | Brady, John, d.1963Corish, Patrick J. | Monograph or Collective Volume | Gill | 1971 |
| The churches and abbeys of Ireland | De Breffny, BrianMott, George | Monograph or Collective Volume | Thames & Hudson | 1976 |
| The Churches, Ireland and the Irish : papers read at the 1987 Summer Meeting and the 1988 Winter Meeting of the Ecclesiastical History Society | | Monograph or Collective Volume | Blackwell Publishers | 1989 |
| The Cistercian monasteries of Ireland : an account of the history, art and architecture of the White Monks in Ireland from 1142 to 1540 | Stalley, Roger | Monograph or Collective Volume | Yale University Press | 1987 |
| The Cistercian settlement of Ireland | Carville, Geraldine | Article in Journal | | 1973 |
| The city music and city bands | Dawson, Timothy | Article in Journal | | 1972 |
| The civic history of the town of Cavan | Smyth, T. S. | Monograph or Collective Volume | | 1934 |
| The civil survey, A.D. 1654-1656. Vol. 1 : County of Tipperary, Eastern and southern baronies | | Monograph or Collective Volume | | 1931 |
| The classics in Celtic Ireland | Bieler, Ludwig | Article in Book | | 1971 |
| The cleavage between grazers and peasants in the Land Struggle, 1890-1910 | Jones, David Seth | Article in Book | | 1983 |
| The clergy and Fenianism, 1860-70 | Ó Fiaich, Tomás | Article in Journal | | 1968 |
| The clerical estate in later medieval Ireland : alien settlement or element of conciliation? | Walsh, Katherine | Article in Book | | 1988 |
| The cloister arcade from Cook Street, Dublin | Ó Héailidhe, P. | Article in Book | | 1988 |
| The Cloncreen Bog (Clonbulloge) find of Elizabethan coins from the Co. Offaly | Dolley, MichaelGunstone, A. | Article in Journal | | 1970 |
| The coarb and twelfth-century reform | Barry, J. G. | Article in Journal | | 1957 |
| The coarb in medieval times | Barry, J. G. | Article in Journal | | 1958 |
| The coarb in the mediaeval Irish church (circa 1200-1550) | Seymour, St. John D. | Article in Journal | | 1933 |
| The coarbs of Killaloe diocese | Gleeson, Dermot F. | Article in Journal | | 1949 |
| The coastal trading ports of the Irish sea | Griffiths, David, 1965- | Article in Book | | 1992 |
| The coinage of Richard Olof | Dykes, David Wilmer | Article in Journal | | 1965 |
| The coinage of William Wood, 1722-33 | Nelson, Philip | Monograph or Collective Volume | | 1959 |
| The coinages for Ireland of Henry VIII | Dolley, MichaelHackmann, W. D. | Article in Journal | | 1970 |
| The coinages of Edward I and II | North, Jeffrey James | Monograph or Collective Volume | | 1968 |
| The coins and tokens of Drogheda | Rice, Gerard | Article in Journal | | 1983 |
| The coins from Beal Boru | Dolley, Michael | Article in Journal | | 1962 |
| The coins of the ancient Celts | Allen, D. F. | Monograph or Collective Volume | | 1980 |
| The Collectio Canonum Hibernensis - a Celtic phenomenon | Sheehy, Maurice P. | Article in Book | | 1982 |
| The collegiate church of St Nicholas, Galway : a study of the structure | Leask, H. G. (Harold G.) | Article in Journal | | 1936 |
| The colonial town in Irish documents | Mac Niocaill, Gearóid | Article in Book | | 1985 |
| The colonial venture of Sir Thomas Smith in Ulster, 1571-1575 | Morgan, Hiram | Article in Journal | | 1985 |
| The colonisation of the Maghera region of south Derry during the seventeenth and eighteenth centuries | Macafee, William | Article in Journal | | 1977 |
| The colonisation of Ulster and the rebellion of 1641 (1603-60) | Clarke, Aidan, 1933-2020 | Article in Book | | 1967 |
| The colonisation of Ulster, 2 pts. | Maxwell, Constantia | Article in Journal | | 1916 |
| The Colophon Drawing in the Book of Mulling : A Supposed Irish Monastery Plan and the Tradition of Terminal Illustration in Early Medieval Manuscripts | Nees, L. | Article in Journal | | 1983 |
| The combination acts in Ireland, 1727-1825 | Park, Patrick | Article in Journal | | 1979 |
| The combined byre-and-dwelling in Ireland | Ó Danachair, Caoimhín, 1913-2002 | Article in Journal | | 1964 |
| The coming of joint-stock banking to Scotland and Ireland 1820-1845 | Munn, C. W. | Article in Book | | 1983 |
| The commercial aspect of the Irish penal code | Arkins, T. | Article in Journal | | 1912 |
| The commercial restraints of Ireland considered in a series of letters to a noble lord | [Hely-Hutchinson, John] | Monograph or Collective Volume | | 1779 |
| The common law in Ireland in the thirteenth and fourteenth centuries : two cases involving Christ Church, Dublin | Hand, Geoffrey Joseph | Article in Journal | | 1967 |
| The common law tradition : essays in Irish legal history | | Monograph or Collective Volume | Irish Academic Press | 1990 |
| The common law tradition in Irish legal history | McEldowney, J. F.O'Higgins, Paul | Article in Book | | 1990 |
| The common scientist in the seventeenth century : a study of the Dublin Philosophical Society, 1683-1708 | Hoppen, K. Theodore, 1941- | Monograph or Collective Volume | Routledge & Kegan Paul | 1970 |
| The comparative history of urban origins in non-Roman Europe. Ireland, Wales, Denmark, Germany, Poland and Russia from the ninth to the thirteenth century. 2 vols. | | Monograph or Collective Volume | | 1985 |
| The completion of the Tudor conquest and the advance of the Counter-Reformation, 1571-1603 | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Book | | 1976 |
| The Composition of Connacht in the lordships of Clanricard and Thomond, 1577-1641 | Cunningham, Bernadette | Article in Journal | | 1984 |
| The composition of the Irish section of the calendar of saints | Ó Riain, Pádraig, 1939- | Article in Journal | | 1977 |
| The Compossicion Booke of Conought. | | Monograph or Collective Volume | The Stationery Office | 1936 |
| The computer as a source for Irish history | Day, Angélique | Article in Book | | 1990 |
| The concept of law in ancient Irish jurisprudence | McLeod, Neil | Article in Journal | | 1982 |
| The concept of the High Cross | Richardson, Hilary | Article in Book | | 1984 |
| The concept of the march in medieval Ireland : the case of Uriel | Smith, Brendan, 1963- | Article in Journal | | 1988 |
| The Concordat between Primate John Mey and Henry O'Neill (1455) | | Article in Journal | | 1976 |
| The confederation of Kilkenny | Cregan, Donal F. | Article in Book | | 1973 |
| The confederation of Kilkenny reviewed | Beckett, J. C. (James Camlin) | Article in Book | | 1959 |
| The conflict between Flood and Grattan, 1782-3 | O'Connor, Theresa M. | Article in Book | | 1949 |
| The Congregation of Propaganda and the publication of Dr O'Brien's Irish dictionary, 1768 | Jones, F. M. | Article in Journal | | 1952 |
| The Connaught Rangers | Kilfeather, T. P. | Monograph or Collective Volume | Anvil Books | 1969 |
| The connection between the Scottish clan MacQueen and the Irish clan MacSweeney | Sweeney, R. M. | Article in Journal | | 1962 |
| The Connerys | Reece, Bob | Article in Book | | 1991 |
| The Conollys of Castletown : a family history | Boylan, Lena, d. 2000 | Article in Journal | | 1968 |
| The consecration of Irish kings | Dillon, Myles | Article in Journal | | 1973 |
| The consolidation of the Roman Catholic Church in Ireland, 1860-1870 | Larkin, Emmet, 1927-2012 | Monograph or Collective Volume | Gill & Macmillan | 1987 |
| The Constitution of the Irish Free State | Kohn, Leo | Monograph or Collective Volume | | 1932 |
| The constitutional and parliamentary history of Ireland till the Union | MacNeill, J. G. S. | Monograph or Collective Volume | | 1917 |
| The constitutional position of the Irish military establishment from the restoration to the union | Hand, Geoffrey Joseph | Article in Journal | | 1968 |
| The Constitutions of Ireland and the Development of National Identity, 1919-84 | Harkness, D. W. | Article in Journal | | 1988 |
| The construction costs of Irish railways, 1830-53 | Lee, J.J. (John Joseph), 1942- | Article in Journal | | 1967 |
| The construction of the Irish annals, 429-466 | Ó Buachalla, Liam | Article in Journal | | 1958 |
| The contents of Mac Carthaigh's Book | Ó Fiaich, Tomás | Article in Journal | | 1950 |
| The continental hoard-evidence for the chronology of the Anglo-Irish pence of John | Dolley, Michael | Article in Journal | | 1966 |
| The continuity of the Gaelic tradition in eighteenth-century Ireland | Bromwich, R. S. | Article in Journal | | 1947 |
| The continuity of the Irish tradition at Würzburg | Gwynn, Aubrey | Article in Book | | 1952 |
| The contribution of Charles O'Conor of Belanagare to Celtic scholarship in eighteenth-century Ireland | Sheehan, C. A. (Catherine A.) | Article in Journal | | 1959 |
| The contribution of Irish Franciscans on the Continent in the seventeenth century | Giblin, Cathaldus | Article in Book | | 1981 |
| The contribution of seamen of Irish birth or descent to hydrography | Ireland, John de Courcy, 1911-2006 | Article in Book | | 1989 |
| The contribution of Young Ireland to the development of the Irish national idea | Edwards, R. W. D. (Robert Walter Dudley) | Article in Book | | 1947 |
| The Convention of Druim Cett | Bannerman, John | Article in Journal | | 1966 |
| The conversion of the Barbarian peoples | Wood, Ian N. | Article in Book | | 1981 |
| The convert rolls | | Monograph or Collective Volume | Stationery Office for the Irish Manuscripts Commission | 1981 |
| The Cork merchant community in the eighteenth century : a regional perspective | Dickson, David | Article in Book | | 1980 |
| The corn mill in Ulster | McCutcheon, W. A. | Article in Journal | | 1970 |
| The Corofin (Co. Clare) hoard : late twelfth - early thirteenth centuries | Dolley, MichaelO'Sullivan, William, 1908-1992 | Article in Journal | | 1965 |
| The corporation of Dublin, 1660-1760 | Murphy, Seán | Article in Journal | | 1984 |
| The Corporation of Waterford in the Eighteenth Century | Milne, Kenneth | Article in Book | | 1992 |
| The correspondence of Daniel O'Connell, 4 : 1829-1832 | | Monograph or Collective Volume | The Stationery Office [for the Irish Manuscripts Commission] | 1977 |
| The correspondence of Daniel O'Connell, 5 : (1833-1836); 6 : (1837-1840) | | Monograph or Collective Volume | Blackwater | 1977 |
| The correspondence of Daniel O'Connell. 1, 1792-1814; 2, 1815-23; 3, 1824-28; 4, 1829-1832; 5, 1833-1836; 6, 1837-1840; 7, 1841-1845; 8, 1846-7 | | Monograph or Collective Volume | | 1972 |
| The correspondence of Daniel O'Connell. Vols. 7 (1841-1845) and 8 (1846-1847) | | Monograph or Collective Volume | Irish Manuscripts Commission | 1980 |
| The cots of Rosslare Harbour and of Wexford | Roberts, Owain T. P. | Article in Journal | | 1985 |
| The council book of the corporation of Drogheda Vol. 1 ... 1649 to 1734 | | Monograph or Collective Volume | | 1915 |
| The council book of the corporation of Kinsale, from 1652 to 1800 | | Monograph or Collective Volume | | 1879 |
| The council book of the corporation of the city of Cork, from 1609 to 1643, and from 1690 to 1800 | | Monograph or Collective Volume | | 1876 |
| The council book of the corporation of Youghal, from 1610 to 1659, from 1666 to 1687, and from 1690 to 1800 | | Monograph or Collective Volume | | 1878 |
| The Counter-Reformation | Jones, F. M. | Monograph or Collective Volume | Gill | 1967 |
| The counter-reformation and the people of catholic Ireland, 1596-1641 | Bossy, John | Article in Book | | 1971 |
| The County of Down election | Meade, John, Hon. | Monograph or Collective Volume | | 1805 |
| The Course of Irish history | | Monograph or Collective Volume | Mercier Press | 1967 |
| The court of wards and liveries in Ireland, 1622-41 | Kearney, H. F. | Article in Journal | | 1955 |
| The court poet in medieval Ireland | Williams, John Ellis Caerwyn, 1912-1999 | Article in Journal | | 1973 |
| The courthouse, Dundalk, and the contract for its erection dated 30th April 1813 | O'Sullivan, Harold | Article in Journal | | 1962 |
| The Cratloe O'Briens | O'Brien, P. I. D. | Article in Journal | | 1980 |
| The creation of Adam and the Apocrypha in early Ireland | Wasserstein, David | Article in Journal | | 1988 |
| The creation of Britain : multiple kingdoms or core and colonies? | Wormald, Jenny | Article in Journal | | 1992 |
| The crisis in Ireland in 1648 : the nuncio and the Supreme council. Conclusions | Corish, Patrick J. | Article in Journal | | 1955 |
| The Cromwellian and Restoration settlements in the civil parish of Dundalk, 1649 to 1673 | O'Sullivan, Harold | Article in Journal | | 1978 |
| The Cromwellian settlement in Balyna parish, 1641-1688 | Hickey, N. M. | Article in Journal | | 1985 |
| The Cromwellian settlement of County Dublin, 1652-60 | Arnold, Lawrence J. | Article in Journal | | 1971 |
| The Cromwellian settlement of Ireland | Prendergast, J. P. (John Patrick), 1808-1893 | Monograph or Collective Volume | | 1865 |
| The Cromwellian settlement of Tipperary | Simms, J. G. (John Gerald) | Article in Journal | | 1989 |
| The cross of St. Patrick : the Catholic Unionist tradition in Ireland | Biggs-Davison, JohnChowdharay-Best, G. | Monograph or Collective Volume | Kensal | 1984 |
| The crowning of a king at Dublin, 24 May 1487 | Martin, F. X. (Francis Xavier), 1922-2000 | Article in Journal | | 1988 |
| The Culdees | Booth, H. C. | Article in Journal | | 1947 |
| The culmination and causation of Irish philosophy | Berman, David | Article in Journal | | 1982 |
| The cult of St. Brigit | Bowen, E. G. | Article in Journal | | 1973 |
| The cult of St. Martin in Ireland | Gwynn, Aubrey | Article in Journal | | 1966 |
| The culture and ideology of Irish Franciscan historians at Louvain, 1607-1650 | Cunningham, Bernadette | Article in Book | | 1991 |
| The curse of Cromwell : a history of the Ironside conquest of Ireland, 1649-53 | Esson, Denis Main Ross | Monograph or Collective Volume | Leo Cooper | 1971 |
| The Cusack family of Counties Meath and Dublin | Gallwey, H. D. | Article in Journal | | 1980 |
| The D-text of Patrick's Confession : original or reduction? | Hanson, R. P. C. | Article in Journal | | 1977 |
| The Dal Riata and Northern Ireland in the 6th and 7th centuries | Bannerman, J. W. | Article in Book | | 1968 |
| The dam builders : the story of the men who built the Silent Valley reservoir | Carson, W. H. | Monograph or Collective Volume | Mourne Observer | 1981 |
| The Danish corps in Ireland, 1690-1 | Ó Danachair, Caoimhín, 1913-2002 | Article in Journal | | 1961 |
| The Danish force in Ireland, 1690-91 | | Monograph or Collective Volume | The Stationery Office [for the Irish Manuscripts Commission] | 1962 |
| The date and authorship of the Apgitir Chrabaid : some internal evidence | Ó Néill, P. P. | Article in Book | | 1987 |
| The date and dedication of the Tractatus de Purgatorio Sancti Patricii | Easting, Robert | Article in Journal | | 1978 |
| The date and provenance of Uraicecht Becc | Binchy, D. A. (Daniel Anthony), 1900-1989 | Article in Journal | | 1958 |
| The date of St Patrick | Hanson, R. P. C. | Article in Journal | | 1978 |
| The date of the 'Crede Mihi' | Hand, Geoffrey Joseph | Article in Journal | | 1964 |
| The date of the Tripartite Life of St. Patrick | Jackson, Kenneth | Article in Journal | | 1986 |
| The dating of the Irish annals | Walsh, Paul, Revd, 1885-1941 | Article in Journal | | 1941 |
| The de Ridelesfords, [1] | Brooks, E. St. J. | Article in Journal | | 1952 |
| The De Ridelisford connection | Cairns, Henry | Article in Journal | | 1985 |
| The de Ridelisfords | Brooks, E. St. J. | Article in Journal | | 1952 |
| The death of Red Hugh O'Donnell | Mooney, Canice | Article in Journal | | 1954 |
| The death of Turgesius | Stewart, James | Article in Journal | | 1970 |
| The Debates of the Irish House of Commons 1776-1789 | Jernegan, M. W. | Article in Journal | | 1909 |
| The decline of Rundale 1750-1850 | McCourt, D. | Article in Book | | 1981 |
| The Decline of the Irish Language | Wall, Maureen (née Mac Geehin) | Article in Book | | 1969 |
| The Decline of the Irish Language 1771-1871 | FitzGerald, Garret | Article in Book | | 1990 |
| The defence of Ireland a century ago | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Journal | | 1948 |
| The defence of the Moyry Pass, 1600 | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Journal | | 1957 |
| The defences of the Shannon : Portumna to Athlone 1793-1815 | Kerrigan, P. M. | Article in Book | | 1980 |
| The definition and classification of medieval Irish towns | Graham, B. J. (Brian J.) | Article in Journal | | 1988 |
| The demographic implications of Dublin's growth : 1650-1850 | Dickson, David | Article in Book | | 1989 |
| The Demography of Carrick-on-Suir, 1799 | Clarkson, L. A. (Leslie A.) | Article in Journal | | 1987 |
| The demography of the Irish Quakers 1630-1830 | Eversley, D. E. C. | Article in Book | | 1982 |
| The Department of Science and Art and control of Irish science, 1853-1905 | Jarrett, R. A. | Article in Journal | | 1983 |
| The Deramfield Hoard : English and Spanish Silver Coins Deposited during the Great Rebellion, 1641-53 | Kenny, Michael | Article in Journal | | 1982 |
| The Derrynaflan and other early Irish eucharistic chalices : some speculations | Ryan, Michael | Article in Book | | 1984 |
| The Derrynaflan hoard, 1 : a preliminary account | | Monograph or Collective Volume | National Museum of Ireland | 1983 |
| The descendants of Margaret Dartas | Nicholls, K. W. (Kenneth W.) | Article in Journal | | 1972 |
| The descent of the Somervilles of Drishane, Co. Cork | Charles-Edwards, Gifford | Article in Journal | | 1979 |
| The Desmond survey of County Kerry | | Monograph or Collective Volume | | 1923 |
| The devaluation of 1460 and the origins of the Irish Pound | McDowell, J. M. | Article in Journal | | 1986 |
| The development and evolution of the medieval borough and port of Dungarvan, County Waterford, c. 1200 to c. 1530 | O'Brien, A. F. | Article in Journal | | 1987 |
| The development of a standing army in Ireland | Ferguson, Kenneth | Article in Journal | | 1983 |
| The development of Belfast Harbour | Sweetnam, Robin | Article in Book | | 1989 |
| The development of civil bill procedure in Ireland | Greer, D. S. | Article in Book | | 1990 |
| The development of Derry c.600-c.1600 | Lacy, Brian | Article in Book | | 1988 |
| The development of the Irish town | | Monograph or Collective Volume | Croom Helm | 1977 |
| The devotional revolution in Ireland, 1850-75 | Larkin, Emmet, 1927-2012 | Article in Journal | | 1972 |
| The dialect of Ulster | Marshall, J. J. | Article in Journal | | 1906 |
| The Diamond fight of 1795 and the resultant expulsions | Tohall, Patrick | Article in Journal | | 1958 |
| The diaries of John Singleton of Quinville, co. Clare | Hewon, M. | Article in Journal | | 1977 |
| The diary of Richard Farrell, barrister-at-law (1798) | Farrell, Richard | Article in Journal | | 1944 |
| The dimensions of British radicalism : the case of Ireland, 1874-95 | Heyck, Thomas William | Monograph or Collective Volume | University of Illinois Press | 1974 |
| The dimensions of the Irish question and the Home Rule crisis | McCaffrey, Lawrence J., 1925- | Article in Journal | | 1961 |
| The diocese of Clogher in 1714 | | Article in Journal | | 1955 |
| The diocese of Elphin in 1637 | McGreevy, John | Article in Journal | | 1988 |
| The diocese of Emly | Seymour, St. John D. | Monograph or Collective Volume | | 1913 |
| The diocese of Ferns and the penal days | Corish, Patrick J. | Article in Journal | | 1970 |
| The diocese of Killaloe in the eighteenth century | Murphy, Ignatius | Monograph or Collective Volume | | 1991 |
| The Diocese of Killaloe, 1800-1850 | Murphy, Ignatius | Monograph or Collective Volume | | 1992 |
| The diocese of Limerick from 1691 to the present time | Begley, John | Monograph or Collective Volume | Browne and Nolan | 1938 |
| The diocese of Limerick in the twelfth century | Gwynn, Aubrey | Article in Journal | | 1946 |
| The diocese of Raphoe, 1773-1805 : documents illustrating the history of the diocese from the 'Congressi' volumes in the archives of the 'Propaganda Fide', Rome | | Monograph or Collective Volume | | 1980 |
| The disappearance of the Irish agricultural labourer, 1841-1913 | Fitzpatrick, David | Article in Journal | | 1980 |
| The disestablished home churches | Moss, C. B. | Article in Book | | 1948 |
| The dissolution of the religious orders in Ireland under Henry VIII | Bradshaw, Brendan, 1937-2017 | Monograph or Collective Volume | University P. | 1974 |
| The distilling industry in Offaly 1780-1954 | Byrne, Michael | Article in Book | | 1980 |
| The distinction between coarb and erenagh | Barry, J. G. | Article in Journal | | 1960 |
| The distribution of Scots and Irish in Upper Canada, 1851-1871 | Brunger, Alan G. | Article in Journal | | 1990 |
| The distribution, origins, and development of Temple as a church name in the south-west of Ireland | Hurley, Vincent | Article in Journal | | 1979 |
| The divine gospel of discontent : story of the Belfast dockers and carters strike 1907 | O'Hare, F. | Monograph or Collective Volume | | 1981 |
| The domestic packets between Great Britain and Ireland, 1635-1840 | Salt, Denis | Monograph or Collective Volume | | 1991 |
| The domesticated cat in early Christian and medieval Ireland | McCormick, Finbar | Article in Book | | 1988 |
| The Dominicans in medieval Dublin | O'Sullivan, Benedict, 1887-1970 | Article in Book | | 1990 |
| The Donegall family and the development of Belfast, 1600-1850 | Roebuck, Peter | Article in Book | | 1986 |
| The Downshire estates in Ireland, 1801-45 : the management of Irish landed estates in the early 19th century | Maguire, W. A. (William Alexander) | Monograph or Collective Volume | Clarendon Press | 1972 |
| The Drafting of the Irish Free State Constitution : I & II | Farrell, Brian | Article in Journal | | 1970 |
| The Drafting of the Irish Free State Constitution : III & IV | Farrell, Brian | Article in Journal | | 1971 |
| The Drapier Letters to the people of Ireland against receiving Wood's Halfpence | Davis, HerbertSwift, Jonathan, 1667-1745 | Monograph or Collective Volume | | 1935 |
| The Drummond martyrology and its sources | Schneiders, Marc | Article in Journal | | 1990 |
| The Dual Nature of the Irish Colonization of Dyfed in the Dark Ages | Coplestone-Crow, Bruce | Article in Journal | | 1981 |
| The Duan Albanach | Jackson, Kenneth | Article in Journal | | 1957 |
| The Dublin convention, the protestant community and the emergence of an ecclesiastical settlement in 1660 | McGuire, J. I. | Article in Book | | 1983 |
| The Dublin fragment of Tigernach's Annals | | Article in Journal | | 1897 |
| The Dublin Fusiliers | MacCauley, J. A. | Article in Journal | | 1964 |
| The Dublin newspaper press, a bird's eye view, 1659-1916 | Brown, S. J. | Article in Journal | | 1936 |
| The Dublin Orator : Thomas Sheridan's Influence on Eighteenth-Century Rhetoric and Belles Lettres | Benzie, William | Monograph or Collective Volume | University of Leeds | 1972 |
| The Dublin pennies in the name of Sihtric Silkbeard in the Hermitage Museum in Leningrad | Dolley, Michael | Article in Journal | | 1963 |
| The Dublin Review, 1836-1936. Complete list of articles published between May 1836 and April 1936 | Anonymous | Monograph or Collective Volume | | 1936 |
| The duke of Argyll and the land question in late nineteenth-century Britain | Mason, J. W. | Article in Journal | | 1976 |
| The duke of Devonshire's Irish estates, 1794-7 : reports by Henry Bowman, agent... with a brief description of the Lismore castle Mss. in the National Library | | Article in Journal | | 1960 |
| The duties of Coarb and Erenach | Barry, J. G. | Article in Journal | | 1960 |
| The duties of coarbs and erenaghs | Barry, J. G. | Article in Journal | | 1960 |
| The duty and authority of the justices of the peace | Bullingbroke, Edward | Monograph or Collective Volume | | 1766 |
| The dynamite war : Irish-American bombers in Victorian Britain | Short, K. R. M. | Monograph or Collective Volume | Gill & Macmillan | 1979 |
| The earl of Clermont : a forgotten Co. Monaghan magnate of the late eighteenth century | Malcomson, A. P. W. (Anthony) | Article in Journal | | 1975 |
| The earl of Strafford and the arts | Wedgwood, Cicely Veronica, Dame, 1910-1997 | Article in Journal | | 1961 |
| The Earl of Strafforde's letters and despatches with an essay towards his life by Sir George Radcliffe ... 2 vols. in 1 | | Monograph or Collective Volume | | 1739 |
| The earl-bishop : the life of Frederick Hervey, bishop of Derry, earl of Bristol. 2 vols. | Childe-Pemberton, W. S. | Monograph or Collective Volume | | 1925 |
| The earl-bishop of Derry | Falkiner, C. L. (Caesar Litton) | Article in Book | | 1902 |
| The earldom of Ulster | Orpen, G. H. (Goddard Henry), 1852-1932 | Article in Journal | | 1921 |
| The earldoms of Ormond in Ireland | Round, John Horace, 1854-1928 | Article in Book | | 1887 |
| The earliest Dublin printing, with lists of books, proclamations, &c., printed in Dublin prior to 1601 | Dix, E. R. McC. (Ernest Reginald McClintock), 1857-1936 | Monograph or Collective Volume | | 1901 |
| The earliest German imitations of Anglo-Irish coins | Dolley, Michael | Article in Book | | 1965 |
| The earliest Irish annals : their first contemporary entries, and the earliest centres of recording | Smyth, Alfred P., 1942- | Article in Journal | | 1972 |
| The earliest Irish coinage | O'Sullivan, William, 1908-1992 | Article in Journal | | 1949 |
| The earliest National Meeting of Friends in Ireland; new evidence as to its date | Grubb, Isobel | Article in Journal | | 1946 |
| The earliest records of Fermanagh | Walsh, Paul, Revd, 1885-1941 | Article in Journal | | 1924 |
| The earls of Kildare and their ancestors, from 1057 to 1773. | Fitzgerald, C. W., Marquis of Kildare | Monograph or Collective Volume | | 1858 |
| The early Celtic idea of history and the modern historian | Hughes, Kathleen Winifred | Monograph or Collective Volume | Cambridge University Press | 1977 |
| The early Christian cross-slabs, pillar stones and related monuments of County Galway, Ireland | Higgins, J. G. | Monograph or Collective Volume | B.A.R. | 1987 |
| The early Christian ecclesiastical sites of County Westmeath | Swan, Leo, 1930-2001 | Article in Book | | 1988 |
| The early Christians in Britain | Dodd, B. E.Heritage, T. C. | Monograph or Collective Volume | | 1966 |
| The early development of the medieval town of Kilkenny | Bradley, John, 1954-2014 | Article in Book | | 1990 |
| The early history of guns in Ireland | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Journal | | 1938 |
| The early history of the legal profession of the lordship of Ireland, 1250-1350 | Brand, Paul | Article in Book | | 1990 |
| The early history of Trinity College, Dublin, 1591-1660 | Urwick, William | Monograph or Collective Volume | | 1891 |
| The early interpretation of Poynings' law, 1494-1534 | Quinn, D. B. (David Beers) | Article in Journal | | 1941 |
| The early Irish church : problems of identification | Hamlin, Ann | Article in Book | | 1992 |
| The early Irish church : some observations on pastoral care and dues | Etchingham, Colmán | Article in Journal | | 1991 |
| The early Irish church and the Holy See | Ryan, J. | Article in Journal | | 1960 |
| The early Irish Church and the Western patriarchate | Corish, Patrick J. | Article in Book | | 1984 |
| The early Irish churches : some aspects of organization | Ó Corráin, Donnchadh | Article in Book | | 1981 |
| The early Irish Comyns | Brooks, E. St. J. | Article in Journal | | 1956 |
| The early Irish stage : the beginnings to 1720 | Clark, W. S. | Monograph or Collective Volume | Clarendon Press | 1955 |
| The early Irish vocabulary of mills and milling | Mac Eoin, Gearóid | Article in Book | | 1982 |
| The early Keatings | Nicholls, K. W. (Kenneth W.) | Article in Journal | | 1976 |
| The early political activity of Isaac Butt | Lord, J. L. | Article in Journal | | 1948 |
| The early residential buildings of Trinity College Dublin : architecture, financing, people | Somerville, R.A. | Monograph or Collective Volume | Four Courts Press | 2021 |
| The early speeches of Henry Grattan | Koebner, Richard | Article in Journal | | 1957 |
| The East Ulster bardic family of Ó Gnímh | Cunningham, BernadetteGillespie, Raymond, 1955-2024 | Article in Journal | | 1984 |
| The ecclesiastical element in the Old-Irish legal tract Cáin Fhuithirbe | Breatnach, Liam | Article in Journal | | 1986 |
| The ecclesiastical history of the diocese of Meath ancient and modern | Cogan, Anthony, 1826-1872 | Monograph or Collective Volume | | 1874 |
| The economic and political ideas of James Fintan Lalor | O'Neill, Thomas Patrick | Article in Journal | | 1950 |
| The economic and social scene in County Carlow in the 1790s | Duggan, Maura | Article in Journal | | 1976 |
| The economic and social structure of nineteenth-century Cork | Cronin, Maura (née Murphy) | Article in Book | | 1981 |
| The economic history of livestock in Ireland | O'Donovan, John | Monograph or Collective Volume | Cork University Press | 1940 |
| The economic situation and the functions of substantial landowners, 1600-1815 : Ulster and Lowland Scotland compared | Roebuck, Peter | Article in Book | | 1988 |
| The economic thought of the nation's lost leader : Charles Stewart Parnell | Kennedy, Liam, 1946- | Article in Book | | 1991 |
| The economy of the Irish rath | Proudfoot, V. B. | Article in Journal | | 1961 |
| The educational ideas of Paul Cardinal Cullen | Hayes, C. | Article in Journal | | 1980 |
| The effects of Norman rule in Ireland, 1169-1333 | Orpen, G. H. (Goddard Henry), 1852-1932 | Article in Journal | | 1913 |
| The effects of the Viking invasion on Irish art | Henry, Françoise, 1902-1982 | Article in Book | | 1962 |
| The egalitarian giant : representations of justice in history/ literature | Patterson, Annabel M. | Article in Journal | | 1992 |
| The eighteenth-century maps of the Clanbrassil estate, Dundalk | O'Sullivan, Harold | Article in Journal | | 1961 |
| The eighteenth-century memorials of Dennis Cullen of Monaseed | Longfield, A. K. (Ada Kathleen), 1899-1987 | Monograph or Collective Volume | Avoca Handweavers | 1948 |
| The element áth/ford in Irish place-names | Mac Aodha, Breandán S. | Article in Journal | | 1987 |
| The Elizabethan coinages for Ireland | Symonds, Henry | Article in Journal | | 1917 |
| The Elizabethan colony in Co. Roscommon | Cronin, T. | Article in Book | | 1980 |
| The Elizabethan conquest of Ireland : a pattern established, 1565-1576 | Canny, Nicholas P. | Monograph or Collective Volume | Harvester P. | 1976 |
| The Elizabethan soldier in Ireland | Falls, Cyril Bentham | Article in Journal | | 1951 |
| The Elizabethans and the Irish | Bradshaw, Brendan, 1937-2017 | Article in Journal | | 1977 |
| The Elizabethans and the Irish | Quinn, D. B. (David Beers) | Monograph or Collective Volume | Cornell University Press | 1966 |
| The Emancipist, Daniel O'Connell 1830-1847 | MacDonagh, Oliver | Monograph or Collective Volume | Weidenfeld and Nicolson | 1989 |
| The Emanuel of Bridgwater and discovery of Martin Frobisher's "black ore" in Ireland | Hogarth, D. D. | Article in Journal | | 1989 |
| The emergence of a nation | Kiernan, Victor Gordon, 1913- | Article in Book | | 1987 |
| The emergence of central banking in Ireland : the Bank of Ireland 1814-1850 | Munn, C. W. | Article in Journal | | 1983 |
| The Emergence of Modern Ireland 1600-1900 | Cullen, L. M. (Louis Michael) | Monograph or Collective Volume | Batsford | 1981 |
| The Emergency : Neutral Ireland 1939-45 | Share, Bernard | Monograph or Collective Volume | Gill & Macmillan | 1978 |
| The emigration of Irish work-house children to Australia in the nineteenth century | Robins, Joseph | Article in Book | | 1991 |
| The end of an era : Ulster and the outbreak of the 1641 rising | Gillespie, Raymond, 1955-2024 | Article in Book | | 1986 |
| The end of the road : the Kilcullen turnpike 1844-1848 compared with 1787-1792 | Leckey, J. | Article in Journal | | 1984 |
| The end of the Roman temples in the west of Britain | Rahtz, PhilipWatts, Lorna | Article in Book | | 1979 |
| The English forms of the names of the main provinces of Ireland | Sommerfelt, Alf | Article in Journal | | 1958 |
| The English in Ireland in the eighteenth century. 3 vols. | Froude, James Anthony | Monograph or Collective Volume | | 1872 |
| The English language in Ireland | Hogan, J. J. | Monograph or Collective Volume | | 1927 |
| The English presence in early seventeenth-century Munster | McCarthy-Murrogh, M. | Article in Book | | 1986 |
| The English presence in Viking Dublin | Wallace, Patrick F. | Article in Book | | 1986 |
| The English undertakers in the plantation of Ulster | Hunter, R. J. (Robert J.) | Article in Journal | | 1974 |
| The enterprise of Ulster | Morton, R. C. | Article in Journal | | 1967 |
| The environment and dynamic of pre-factory industry in Northern Ireland | Clarkson, L. A. (Leslie A.) | Article in Book | | 1989 |
| The Erenagh in the monastic Irish church | Barry, John | Article in Journal | | 1958 |
| The Erenagh in the monastic Irish church | Barry, J. G. | Article in Journal | | 1958 |
| The erenagh in the monastic Irish church | Barry, J. G. | Article in Journal | | 1958 |
| The establishment of poor-law unions in Ireland, 1838-43 | O'Brien, Gerard | Article in Journal | | 1982 |
| The establishment of the form of the Irish customs, 1603-13 | Treadwell, Victor | Article in Journal | | 1978 |
| The estate maps of Trinity College : an introduction and annotated catalogue | Aalen, F. H. A.Hunter, R. J. (Robert J.) | Article in Journal | | 1964 |
| The estate of Cú Chonnacht Maguire of Tempo : a case history from the Williamite land settlement | Maguire, W. A. (William Alexander) | Article in Journal | | 1990 |
| The European and American background of O'Connell's nationalism 1, Introduction; 2, The American war of independence and Irish nationalism; 3, America and Irish legislative independence; 4, The English parliamentary reform movement, 1779-80; 5, The Irish parliamentary reform movement; 6, Parliamentary reform and Irish national tradition | Edwards, R. W. D. (Robert Walter Dudley) | Article in Journal | | 1948 |
| The European dimension of Irish history in the eleventh and twelfth centuries | Richter, Michael, 1943-2011 | Article in Journal | | 1985 |
| The Eustace family and their lands in County Kildare, 3 | Tickell, E. F., Sir | Article in Journal | | 1961 |
| The evidence of language and place-names in Ireland | Greene, David | Article in Book | | 1978 |
| The evolution of a capital market : the case of Ireland | Thomas, W. A. | Article in Journal | | 1987 |
| The evolution of estate properties in south Ulster 1600-1900 | Duffy, Patrick J. | Article in Book | | 1988 |
| The evolution of Irish nationalist politics | Garvin, Tom | Monograph or Collective Volume | Gill & Macmillan | 1981 |
| The evolution of the linen trade in Ulster before industrialization | Crawford, W. H. (William Henry), 1932-2014 | Article in Journal | | 1988 |
| The evolution of the settlement pattern of Anglo-Norman Eastmeath | Graham, B. J. (Brian J.) | Article in Book | | 1976 |
| The evolution of the traditional house in western Ireland | Aalen, F. H. A. | Article in Journal | | 1966 |
| The evolution of Ulster towns 1750-1850 | Crawford, W. H. (William Henry), 1932-2014 | Article in Book | | 1981 |
| The evolution of urbanization in medieval Ireland | Graham, B. J. (Brian J.) | Article in Journal | | 1979 |
| The excavation of Rathmullen, a raised rath and motte in County Down | Lynn, C. J. | Article in Journal | | 1981 |
| The excavation of the Early Christian enclosure of Killederdadrum in Lackenavorna, Co. Tipperary | Manning, Conleth | Article in Journal | | 1984 |
| The exclusion of Catholics from the legal profession in Ireland, 1537-1829 | Kenny, Colum | Article in Journal | | 1987 |
| The execution of the earl of Desmond, 1468 | Cosgrove, Art | Article in Journal | | 1975 |
| The expansion and consolidation of the colony, 1215-54 | Lydon, James F. | Article in Book | | 1987 |
| The expansion of Irish christianity to 1200; an historiographical study | Ó Briain, Felim | Article in Journal | | 1944 |
| The exploration of some caves near Castletownroche, Co. Cork | Gwynn, A. M.Mitchell, G. F. (George Francis), 1912-1997Stelfox, A. W. | Article in Journal | | 1941 |
| The Expulsion of the Dessi | | Article in Journal | | 1901 |
| The expulsion of the Déssi | | Article in Journal | | 1907 |
| The extant Ormonde pistoles and double pistoles of 1646 | Brady, G.Seaby, W. A. | Article in Journal | | 1976 |
| The failure of unionism in Dublin, 1900 | Jackson, Alvin | Article in Journal | | 1989 |
| The fair of Tailtiu and the feast of Tara | Binchy, D. A. (Daniel Anthony), 1900-1989 | Article in Journal | | 1958 |
| The fall and return of John Macmoyer | Ó Fiaich, Tomás | Article in Journal | | 1958 |
| The fall and rise of the Irish nation : the Catholic question, 1690-1830 | Bartlett, Thomas | Monograph or Collective Volume | | 1992 |
| The fall of Parnell : the political context of his intransigence | Bull, Philip | Article in Book | | 1991 |
| The fall of the Bastille on the Dublin stage | Stewart, J. H. | Article in Journal | | 1954 |
| The fall of the house of Desmond | MacCurtain, Margaret, 1929-2020 | Article in Journal | | 1975 |
| The families of Corcumroe | Ó Corráin, Donnchadh | Article in Journal | | 1977 |
| The families of Hodges and Morgan of Old Abbey, Co. Limerick | Dore, M. J. | Article in Journal | | 1979 |
| The family experience : the Bellews of Mount Bellew | Harvey, Karen J. | Article in Book | | 1990 |
| The family of Ó Gnímh in Ireland and Scotland : a look at the sources | Ó Cuív, Brian | Article in Journal | | 1984 |
| The famine and the development of the Church in Scotland | Handley, J. E. | Article in Journal | | 1947 |
| The Famine in Kilkenny | O'Neill, Thomas Patrick | Article in Journal | | 1958 |
| The famine, 1845-7 : a survey of its ravages and causes | O'Herlihy, Timothy | Monograph or Collective Volume | Drogheda Independent | 1947 |
| The farmer's letter to the protestants of Ireland | Brooke, Henry | Monograph or Collective Volume | | 1745 |
| The Fasti of St. Patrick's, Dublin. | Lawlor, H. J. (Hugh Jackson), 1860-1938 | Monograph or Collective Volume | | 1930 |
| The Fenian Invasion of Canada and John McMahon : Priest, Saint, or Charlatan? | King, Joseph A. | Article in Journal | | 1988 |
| The Fenian movement | Walker, M. G. | Monograph or Collective Volume | | 1969 |
| The Fenian movement | | Monograph or Collective Volume | Mercier Press | 1968 |
| The Fenians | Green, E. R. R. (Edward Rodney Richey), 1920- | Article in Journal | | 1958 |
| The Fenians and public opinion in Great Britain | McCord, Norman | Article in Journal | | 1967 |
| The Fenians in context : Irish politics and society, 1848-82 | Comerford, R.V. (Richard Vincent) | Monograph or Collective Volume | Wolfhound Press | 1985 |
| The Fenians in England 1865-1872 : a sense of insecurity | Quinlivan, PatrickRose, Paul | Monograph or Collective Volume | Calder | 1982 |
| The financial relations question, 1800-1914 | Travers, Pauric | Article in Book | | 1990 |
| The finding of the Tara brooch | Whitfield, Niamh | Article in Journal | | 1974 |
| The first adventure of the common law | Johnston, W. J. | Article in Journal | | 1920 |
| The first bishops of Dublin | Gwynn, Aubrey | Article in Journal | | 1955 |
| The first century of Anglo-Irish relations | Richter, Michael, 1943-2011 | Article in Journal | | 1974 |
| The first duke : an introduction to the Charles II-charter | Irwin, Liam | Article in Journal | | 1977 |
| The first of the Fenians | Graham, Harry | Article in Book | | 1913 |
| The first recorded use of the word 'parliament' in Ireland? | Watt, J. A. | Article in Journal | | 1969 |
| The firste volume of the chronicles of England, Scotlande, and Irelande ... 3 vols. | Holinshed, Raphael, d. 1580? | Monograph or Collective Volume | | 1577 |
| The Fitz Geralds, barons of Offaly | Orpen, G. H. (Goddard Henry), 1852-1932 | Article in Journal | | 1914 |
| The Fitzmaurices of Kerry | Nicholls, K. W. (Kenneth W.) | Article in Journal | | 1970 |
| The flight of the earls | Ó Cianáin, Tadhg, c.1575-1610 | Monograph or Collective Volume | | 1916 |
| The flight of the earls, 1607 | Canny, Nicholas P. | Article in Journal | | 1971 |
| The food crisis of the 1890's | O'Neill, Thomas Patrick | Article in Book | | 1989 |
| The forces of the Crown in Ireland, 1798 | Griffin, W. D. | Article in Book | | 1969 |
| The forebears of Doctor William James MacNevin | Egan, Patrick K. | Article in Book | | 1980 |
| The forgotten statutes of Kilkenny : a brief survey | Hand, Geoffrey Joseph | Article in Journal | | 1966 |
| The formation of a parish : the case of Beaulieu, County Louth | Brand, Paul | Article in Book | | 1988 |
| The formation of the Irish economy | | Monograph or Collective Volume | Mercier Press | 1969 |
| The forms of proper names appearing on the earliest coins struck in Ireland | Dolley, Michael | Article in Book | | 1973 |
| The forms of the proper names appearing on the earliest coins struck in Ireland | Dolley, Michael | Article in Book | | 1973 |
| The fortune of Thomas Wentworth, earl of Strafford | Cooper, John Phillips | Article in Journal | | 1958 |
| The Foster family and the parliamentary borough of Dunleer, 1683-1800 | Malcomson, A. P. W. (Anthony) | Article in Journal | | 1971 |
| The Fottrell papers 1721-39 : an edition of the papers found on the person of Fr John Fottrell, provincial of the Dominicans in Ireland, at his arrest in 1739 | | Monograph or Collective Volume | | 1980 |
| The foundation of Bandon, Co. Cork | MacCarthy-Morrogh, Michael | Article in Journal | | 1986 |
| The foundation of Bandon, County Cork | MacCarthy-Morrogh, Michael | Article in Journal | | 1986 |
| The founding of Friends' School, Lisburn | Newhouse, N. H. | Article in Journal | | 1968 |
| The Four Masters and their work | Walsh, Paul, Revd, 1885-1941 | Monograph or Collective Volume | Three Candles | 1944 |
| The Free Trade crisis : a reappraisal | Lammey, David | Article in Book | | 1989 |
| The freedom of the Press in Ireland, 1784-1841 | Inglis, Brian | Monograph or Collective Volume | Faber | 1954 |
| The Freemen of Waterford, 1542-1650 | Walton, J. C. | Article in Journal | | 1978 |
| The freemen of Wexford in 1776 | Goodall, D. | Article in Journal | | 1977 |
| The French invasion of 1798 : a forgotten eyewitness | Bourke, F. S. | Article in Journal | | 1956 |
| The French navy and the Jacobite war in Ireland, 1689-91 | Mulloy, Sheila | Article in Journal | | 1990 |
| The French revolution on the Dublin stage, 1790-94 | Stewart, J. H. | Article in Journal | | 1961 |
| The Friars Minor in County Wicklow, Ireland, 1260-1982 | Millett, Benignus | Article in Journal | | 1984 |
| The friars of Broad Lane : the story of a Franciscan friary in Cork, 1229-1977 | Mooney, C. | Monograph or Collective Volume | Tower Books | 1977 |
| The Friends' Provincial School, Mountmellick | Quane, Michael | Article in Journal | | 1959 |
| The function of the martyrology of Tallaght | Hennig, John | Article in Journal | | 1964 |
| The furnishings of a Palladian house in 1742-3 : Barbavilla, Co. Westmeath | | Article in Journal | | 1979 |
| The fusion of Anglo-Norman and Gael | O'Dwyer, Michael, Sir | Article in Journal | | 1938 |
| The futility of history : a failed experiment in Irish education | Fitzpatrick, David | Article in Book | | 1991 |
| The Gaelic abridgment of the book of Ser Marco Polo | | Article in Journal | | 1897 |
| The Gaelic account of the Bruce invasion, Cath Fhochairte Brighite : medieval romance or modern forgery? | Duffy, Seán | Article in Journal | | 1988 |
| The Gaelic Athletic Association and popular culture, 1884-1924 | Mandle, W. F. | Article in Book | | 1983 |
| The Gaelic response to conquest and colonisation : the evidence of the poetry | Dunne, Tom, 1942-2025 | Article in Journal | | 1980 |
| The Gaelic resurgence and the Geraldine supremacy (c. 1400-1534) | Cosgrove, Art | Article in Book | | 1967 |
| The Gaelic resurgence and the Geraldine supremacy, c.1400-1534 | Cosgrove, Art | Article in Book | | 1967 |
| The Gaelic Society of London, 1840, and its library | Ó Lochlainn, Colm, 1892-1972 | Article in Journal | | 1948 |
| The Gaelic Union : a nonagenarian retrospect | Power, P. | Article in Journal | | 1949 |
| The Galloway lands in Ulster | Greeves, Ronald | Article in Journal | | 1959 |
| The Galway smuggling trade in the 1730s | Cullen, L. M. (Louis Michael) | Article in Journal | | 1962 |
| The Galweys of Munster | Blackall, Henry, Sir | Article in Journal | | 1969 |
| The genealogies, tribes and customs of Hy Fiachrach, commonly called O'Dowda's country | | Monograph or Collective Volume | | 1844 |
| The genealogy and rulers of Eile Ó Cearbhaill | O'Carroll, S. | Article in Journal | | 1987 |
| The general election of 1892 : the Catholic clergy and the defeat of the Parnellites | Woods, C. J. (Christopher John) | Article in Book | | 1980 |
| The genesis of the diocese of Clogher | Lawlor, H. J. (Hugh Jackson), 1860-1938 | Article in Journal | | 1917 |
| The genesis of the Ulster rising of 1641 | Clarke, Aidan, 1933-2020 | Article in Book | | 1981 |
| The geographical distribution of Irish Viking-age coin hoards | Kenny, Michael | Article in Journal | | 1987 |
| The geography and practice of English colonisation in Ireland from 1534 to 1609 | Loeber, Rolf | Monograph or Collective Volume | | 1991 |
| The geography of early monasticism in Ireland | Bowen, E. G. | Article in Journal | | 1972 |
| The geography of Irish nationalism 1910-1921 | Fitzpatrick, David | Article in Book | | 1987 |
| The geography of Irish nationalism, 1910-1921 | Fitzpatrick, David | Article in Journal | | 1978 |
| The Geological Society of Dublin and the Royal Geological Society of Ireland, 1831-90 | Davies, G. L. | Article in Journal | | 1965 |
| The Geraldines : an experiment in Irish government, 1169-1601 | Fitzgerald, Brian | Monograph or Collective Volume | Staples | 1951 |
| The Geraldines of Allen | Nicholls, K. W. (Kenneth W.) | Article in Journal | | 1968 |
| The Geraldines of Desmond | | Article in Journal | | 1885 |
| The German mining operation at Bannow Bay, 1551-52 | Cowman, Des | Article in Journal | | 1986 |
| The giant deer in Ireland | Mitchell, G. F. (George Francis), 1912-1997Parkes, H. M. | Article in Journal | | 1948 |
| The Glorious revolution and Ireland | Bottigheimer, Karl S. | Article in Book | | 1992 |
| The gold collar of SS in Ireland | Delany, V. T. H. | Article in Journal | | 1961 |
| The golden age of early Christian Ireland (7th and 8th centuries) | Hughes, Kathleen Winifred | Article in Book | | 1967 |
| The golden years of the Great Northern Railway, 2 : Newry, Armagh and Clones areas | Arnold, R. M. | Monograph or Collective Volume | Blackstaff Press | 1980 |
| The Gordons of Salterhill and their Irish descendants | Bulloch, J. M. | Monograph or Collective Volume | | 1910 |
| The Gormanston register - Viscount Gormanston, Gormanston Castle, Ireland | Gilbert, J. T. (John Thomas), Sir, 1829-1898 | Article in Book | | 1874 |
| The Gospel Book in Celtic lands before AD 850 : contents and arrangement | McGurk, Patrick | Article in Book | | 1987 |
| The government forces which opposed the Irish insurgents of 1798 | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Journal | | 1959 |
| The government of Northern Ireland, 1922-72 : a catalogue and breviate of parliamentary papers | Maltby, Arthur | Monograph or Collective Volume | Irish University Press | 1974 |
| The government of the municipality of Waterford in the thirteenth century | McEneaney, Eamonn | Article in Journal | | 1980 |
| The government of Wentworth, 1632-40 | Clarke, Aidan, 1933-2020 | Article in Book | | 1976 |
| The Graces, 1625-41 | Clarke, Aidan, 1933-2020 | Monograph or Collective Volume | | 1968 |
| The Grand Canal of Ireland | Delany, Ruth | Monograph or Collective Volume | David & Charles | 1973 |
| The grand juries of the county of Westmeath, 1727-1853. 2 vols. | Anonymous | Monograph or Collective Volume | | 1853 |
| The grant of Castleknock to Hugh Tyrel | Brooks, E. St. J. | Article in Journal | | 1933 |
| The great case of transplantation in Ireland discussed | Goodkin, Vincent | Monograph or Collective Volume | | 1655 |
| The great famine : studies in Irish history, 1845-52 | | Monograph or Collective Volume | Browne and Nolan | 1956 |
| The Great Famine and the Poor Law in Ulster : the rate-in-aid issue of 1849 | Grant, James | Article in Journal | | 1990 |
| The Great Famine was no ordinary subsistence crisis | Solar, Peter M. | Article in Book | | 1989 |
| The Great Irish Famine | Ó Gráda, Cormac | Monograph or Collective Volume | Gill & Macmillan | 1989 |
| The Great Irish Famine, 1845-52 | O'Neill, Thomas Patrick | Article in Journal | | 1947 |
| The great melody : a thematic biography and commented anthology of Edmund Burke | O'Brien, C. C. | Monograph or Collective Volume | | 1992 |
| The Great Migration : The Atlantic Crossing by Sailing-Ship since 1770 | Guillet, Edwin Clarence | Monograph or Collective Volume | | 1937 |
| The Great Northern Railway of Ireland | Patterson, E. M. | Monograph or Collective Volume | Oakwood | 1962 |
| The great silence | de Fréine, Seán | Monograph or Collective Volume | Foilseachain Naisiunta Teo | 1965 |
| The Great Southern and Western Railway | McNeil, D. B.Murray, K. A. | Monograph or Collective Volume | Irish Railway Record Society | 1976 |
| The great towers of early Irish castles | McNeill, T. E. | Article in Journal | | 1989 |
| The great Tyrconnel : a chapter in Anglo-Irish relations | Petrie, Charles Alexander, Sir | Monograph or Collective Volume | Mercier Press | 1972 |
| The greatest traveller in 18th-century Ireland | Gilchrist, A. A. | Article in Journal | | 1960 |
| The green cockade : the Irish in the French Revolution 1789-1815 | Swords, Liam | Monograph or Collective Volume | Glendale | 1989 |
| The green cockatrice | Iske, Basil | Monograph or Collective Volume | Meath Arch. & Historical Soc. | 1978 |
| The Green Howards | Powell, Geoffrey | Monograph or Collective Volume | | 1968 |
| The Green Knight : an unexplored Irish parallel | Jacobs, Nicolas | Article in Journal | | 1982 |
| The groans of Ireland, in a letter to a member of parliament | Anonymous | Monograph or Collective Volume | | 1741 |
| The growth of Irish military strength in the second half of the 16th century | Falls, Cyril Bentham | Article in Journal | | 1954 |
| The growth of the "patriot opposition" in Ireland during the 1770s | Lammey, David | Article in Journal | | 1988 |
| The Grubbs of Tipperary : Studies in Heredity and character | Grubb, Geoffrey Watkins | Monograph or Collective Volume | The Mercier Press | 1972 |
| The guarantor list of Cáin Adomnáin, 697 | Ní Dhonnchadha, Máirín | Article in Journal | | 1982 |
| The guide book to the coinage of Ireland : from 995 A.D. to the present day | Dowle, AnthonyFinn, Patrick | Monograph or Collective Volume | Spink | 1969 |
| The guilds of Dublin | Webb, J. J. | Monograph or Collective Volume | | 1929 |
| The Guinness family; arranged by M. Galwey | | Monograph or Collective Volume | Lund Humphries | 1953 |
| The Hadsors and some other Louth exiles in France and Spain | Walsh, Micheline | Article in Journal | | 1977 |
| The hagiography of Leinster | Ó Briain, Felim | Article in Book | NA | 1940 |
| The half-harps of Henry VIII's Irish coinage | Seaby, W. A. | Article in Journal | | 1987 |
| The Hamilton manuscripts : containing some account of the settlement of the territories ... in the county of Down, by Sir James Hamilton, knight (afterwards created Viscount Claneboye) in the reigns of James I and Charles I | | Monograph or Collective Volume | | 1867 |
| The harbour and port of Belfast : a review of a century of progress | Anonymous | Article in Journal | | 1947 |
| The Hartlib circle and the origins of the Dublin Philosophical Society | Barnard, T. C. (Toby Christopher) | Article in Journal | | 1974 |
| The Hartlib circle and the origins of the Dublin Philosophical Society | Hoppen, K. Theodore, 1941- | Article in Journal | | 1976 |
| The Harvey families of Inishowen, co. Donegal and Maen, co. Cornwall. 2 vols. | Harvey, G. H. | Monograph or Collective Volume | | 1927 |
| The heir-apparent in Irish and Welsh law | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Journal | | 1971 |
| The heritage of Drumbo | Rankin, J. F. | Monograph or Collective Volume | Parish Restoration Fund | 1981 |
| The hermitage on Ardoiléan, county Galway | Herity, Michael | Article in Journal | | 1990 |
| The heroic biography of Cormac mac Airt | Ó Cathasaigh, Tomás | Monograph or Collective Volume | School of Celtic Studies. Dublin Institute for Advanced Studies | 1977 |
| The Hibernia regiment of the Spanish army | Mullen, T. J., jr. | Article in Journal | | 1968 |
| The Hibernian academy : an eighteenth-century group experiment in modern education | Sheldon, E. K. | Article in Journal | | 1975 |
| The Hiberno-Norse coins in the British Museum | Dolley, Michael | Monograph or Collective Volume | Trustees of the British Museum | 1966 |
| The Hiberno-Norse coins of Gotlands Fornsal, Visby | Dolley, Michael | Article in Journal | | 1980 |
| The hidden Ireland : reassessment of a concept | Cullen, L. M. (Louis Michael) | Monograph or Collective Volume | Lilliput Press | 1988 |
| The hidden Ireland : reassessment of a concept | Cullen, L. M. (Louis Michael) | Article in Journal | | 1969 |
| The high road to England | Faber, Richard | Monograph or Collective Volume | | 1985 |
| The High Street excavations | Ó Ríordáin, Breandán | Article in Book | | 1990 |
| The higher teaching of Latin grammar in Ireland during the 9th century | Draak, Maartje | Monograph or Collective Volume | | 1967 |
| The Hispano-papal landing at Smerwick | Petrie, Charles Alexander, Sir | Article in Journal | | 1969 |
| The Hisperica Famina and Caelius Sedulius | Wright, Neil | Article in Journal | | 1982 |
| The Hisperica Famina. 1, The A-Text : a new critical edition with translation and philological commentary; 2, related poems : a critical edition with English translation and philological commentary | Herren, Michael | Monograph or Collective Volume | | 1987 |
| The historian and the archivist | McCartney, Donal | Article in Journal | | 1989 |
| The historian as politican : G. O. Trevelyan as Irish Chief Secretary | Hernon, Joseph M. | Article in Journal | | 1973 |
| The historical annals of Maolín Óg Mac Bruaideadha, 1588-1603 | Cunningham, Bernadette | Article in Journal | | 1989 |
| The historical content of Caithreím Ceallachaín Chaisil | Ryan, J. | Article in Journal | | 1941 |
| The historical St. Columba. | Simpson, W. D. | Monograph or Collective Volume | | 1963 |
| The historical work of Louis Gougaud | Hennig, John | Article in Journal | | 1942 |
| The historical writings of Patrick J. Corish to 1989 | | Article in Book | | 1990 |
| The historiography of the papers of Bishop James Doyle OSB, 1786-1834, in the Kildare and Leighlin diocesan archives | McGrath, T. G. | Article in Journal | | 1988 |
| The historiography of the twelfth-century reform | Irwin, L. | Article in Journal | | 1985 |
| The history and antiquities of the collegiate and cathedral church of St Patrick near Dublin, from its foundation in 1190 to the year 1819 | Mason, W. M. | Monograph or Collective Volume | | 1820 |
| The history and antiquities of the county of the town of Carrickfergus | M'Skimin, Samuel | Monograph or Collective Volume | | 1811 |
| The history and antiquities of the diocese of Ossory. 1:Introduction and Extent, Deaneries, Bishops, Chapter and Colleges of the diocese of Ossory; 2 : Northern Deanery of Ossory Diocese; 3 : The Middle Deanery, including the Cathedral City of the Diocese of Ossory; 4 : The Southern Deanery of the Diocese of Ossory. 4 vols. | Carrigan, William, 1860-1924 | Monograph or Collective Volume | | 1905 |
| The history of advertising in Ireland : the advertising book | Oram, Hugh | Monograph or Collective Volume | M.O. Publications | 1986 |
| The history of Dr Steevens' Hospital, 1720-1920 | Kirkpatrick, Thomas Percy Claude, 1869-1954 | Monograph or Collective Volume | Ponsonby & Gibbs | 1924 |
| The history of Irish periodical literature, from the end of the seventeenth to the middle of the nineteenth century. 2 vols. | Madden, Richard Robert | Monograph or Collective Volume | | 1867 |
| The history of medieval Ireland | Gwynn, Aubrey | Article in Journal | | 1968 |
| The history of Poynings' Law, 1615-41 | Clarke, Aidan, 1933-2020 | Article in Journal | | 1972 |
| The history of Poynings' law. Pt. 1 : 1494-1615 | Edwards, R. W. D. (Robert Walter Dudley)Moody, T. W. (Theodore William), 1907-1984 | Article in Journal | | 1941 |
| The history of the county and city of Cork. 2 vols. | Gibson, C. B. | Monograph or Collective Volume | | 1861 |
| The history of the descendants of Ir | Dobbs, M. E. (Margaret E.), 1871-1962 | Article in Journal | | 1921 |
| The history of the Irish confederation and the war in Ireland, 1641-1649. 7 vols. | | Monograph or Collective Volume | | 1882 |
| The history of the Irish in Britain : a bibliography | Hartigan, Maureen | Monograph or Collective Volume | | 1986 |
| The history of the Irish newspaper, 1685-1760 | Munter, R. L. | Monograph or Collective Volume | Cambridge University Press | 1967 |
| The history of the study of medicine in the British Isles. The Fitzpatrick Lectures for 1905-6, delivered before the Royal College of Physicians of London | Moore, Norman, Sir | Monograph or Collective Volume | | 1908 |
| The history of the survey of Ireland commonly called the Down Survey by Doctor W. Petty, A.D. 1655-6 | | Monograph or Collective Volume | | 1851 |
| The history, architecture and antiquities of the cathedral church of St Canice, Kilkenny | Graves, JamesPrim, J. G. A. | Monograph or Collective Volume | | 1857 |
| The history, topography and antiquities of the county and city of Waterford | Ryland, R. H. | Monograph or Collective Volume | | 1824 |
| The Holy Ghost friary, Waterford : an architectural account | Lumley, I. W. J. | Article in Journal | | 1982 |
| The Holy See and Ireland, 1780-1802 | O'Donoghue, P. | Article in Journal | | 1976 |
| The Holy See and the Irish movement for the repeal of the union with England, 1829-47 | Broderick, J. F. | Monograph or Collective Volume | Universitas Gregoriana | 1951 |
| The Holy See and the Irish National Schools | Barry, P. C. | Article in Journal | | 1959 |
| The holy wells of Ireland | Logan, Patrick | Monograph or Collective Volume | Smythe | 1980 |
| The Home Rule party and Irish nationalist opinion, 1874-76 | McCaffrey, Lawrence J., 1925- | Article in Journal | | 1957 |
| The hospital of St John of Jerusalem in Ireland | Falkiner, C. L. (Caesar Litton) | Article in Journal | | 1907 |
| The Houghers : agrarian protest in early eighteenth-century Connacht | Connolly, Sean J. | Article in Book | | 1987 |
| The House of Lords in the Irish parliament of 1613-15 | Treadwell, Victor | Article in Journal | | 1965 |
| The house with bedroom over byre : a long-house derivative? | McCourt, Desmond | Article in Journal | | 1970 |
| The household effects of a Waterford merchant family in 1640 | | Article in Journal | | 1978 |
| The houses of Ireland : domestic architecture from the medieval castle to the Edwardian villa | De Breffny, BrianFfolliott, Rosemary | Monograph or Collective Volume | Thames & Hudson | 1975 |
| The Huguenot Library, London, as a source for Irish research | Vigne, Randolph | Article in Journal | | 1992 |
| The Huguenot settlement at Portarlington, 1692-1771 | Hylton, Raymond | Article in Book | | 1987 |
| The Huguenot settlements in Ireland | Lee, G. L. | Monograph or Collective Volume | Longmans | 1936 |
| The huguenot-Palatine settlements in the counties of Limerick, Kerry, and Tipperary | Savory, D. L. | Article in Journal | | 1948 |
| The Huguenots and Dublin | Empey, C. A. (Adrian) | Article in Journal | | 1989 |
| The Huguenots and Ireland : anatomy of an emigration | | Monograph or Collective Volume | Glendale | 1987 |
| The Huguenots of Portarlington | Powell, J. S. (John Stocks) | Article in Journal | | 1972 |
| The human hand on Hiberno-Danish coins | Smith, Aquilla | Article in Journal | | 1883 |
| The hunting diaries (1863-1872) of Sir John Fermor Godfrey of Kilcoleman Abbey, Co. Kerry|The hunting diaries (1873-81) of Sir John Fermor Godfrey of Kilcoleman Abbey, Co. Kerry | Bary, V[alerie] M. | Article in Journal | | 1979 |
| The I.R.B. and, the beginnings of the Gaelic Athletic Association | Mandle, W. F. | Article in Journal | | 1977 |
| The Idea of 'Imperial Federation' | Martin, Gerald Warren | Article in Book | | 1975 |
| The illness of Dean Swift | Brain, W. R., Sir | Article in Journal | | 1952 |
| The image in Ireland : the cartoons of H.B. | McCord, J. N. | Article in Book | | 1991 |
| The image of Irelande (1581) : with the notes of Walter Scott | Derricke, JohnSmall, John | Monograph or Collective Volume | | 1883 |
| The immediate effect and interpretation of the 1331 ordinance 'Una et eadem lex' : some evidence | Frame, Robin | Article in Journal | | 1972 |
| The Impact of Eamon de Valera : Domestic Causes of the Anglo-Irish Economic War | Canning, Paul | Article in Journal | | 1983 |
| The impact of land reform on agricultural production in Ireland | Huttman, J. P. | Article in Journal | | 1972 |
| The impact of Larkinism on the Irish working class | McCarthy, Charles | Article in Journal | | 1977 |
| The impact of the Irish on British labor markets during the industrial revolution | Williamson, J. G. | Article in Journal | | 1986 |
| The impact of the native Irish on the Cistercians in the thirteenth century | O'Dwyer, B. W. | Article in Journal | | 1967 |
| The impact of the Ulster crisis (1912-14) on the British Labour party | Shefftz, Melvin | Article in Journal | | 1973 |
| The importance of agrarian classes : agrarian class structure and collective action in nineteenth-century Ireland | Clark, S. | Article in Book | | 1982 |
| The importance of the tower house in the late medieval society of Breifne | McCarthy, Judith | Article in Journal | | 1989 |
| The importance of the towerhouse in the late medieval society of Breifne | McCarthy, Judith | Article in Journal | | 1989 |
| The improvement of Ireland | Kelly, Patrick | Article in Journal | | 1992 |
| The inauguration of O'Conor | | Article in Book | | 1961 |
| The inception of the Dodder water supply | Jackson, Valentine | Article in Book | | 1990 |
| The Inchiquin manuscripts | | Monograph or Collective Volume | Stationery Office [for the Irish Manuscripts Commission] | 1961 |
| The Independent Irish party, 1850-9 | Whyte, J. H. | Monograph or Collective Volume | Oxford University Press | 1958 |
| The indivisible island : the history of the partition of Ireland | Gallagher, Frank | Monograph or Collective Volume | Gollancz | 1957 |
| The infantry of the confederate Leinster army, 1642-47 | Perry, Nicholas | Article in Journal | | 1983 |
| The influence of alabaster carvings on medieval sculpture in Ennis friary. | Harbison, PeterHunt, John | Article in Journal | | 1977 |
| The influence of Scandinavian on Irish | Greene, David | Article in Book | | 1976 |
| The influence of the Catholic clergy on elections in 19th century Ireland | Whyte, J. H. | Article in Journal | | 1960 |
| The Influence of the Irish in Montserrat | Messenger, John C. | Article in Journal | | 1967 |
| The Influence of the Irish Revolution on Indian Nationalism : The Evidence of the Indian Press, 1916-22 | Davis, Richard | Article in Journal | | 1986 |
| The influence of the landlord in eighteenth century Ulster | Crawford, W. H. (William Henry), 1932-2014 | Article in Book | | 1977 |
| The influence of the Vikings on Celtic literature | Mac Cana, Proinsias | Article in Book | | 1962 |
| The inscribed slates at Smarmore | Bliss, Alan J. | Article in Journal | | 1965 |
| The inscriptions on the Cross of the Scriptures at Clonmacnois, County Offaly | Harbison, Peter | Article in Journal | | 1979 |
| The insecure voice : a Catholic novelist in support of emancipation | Dunne, Tom, 1942-2025 | Article in Book | | 1991 |
| The insular Latin grammarians | Law, Vivien | Monograph or Collective Volume | | 1982 |
| The insurgent threat to Dublin in 1798 | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Journal | | 1958 |
| The interim years : Richard II and Ireland, 1395-1399 | Johnston, Dorothy | Article in Book | | 1981 |
| The interpretation of 12th century Irish history | Warren, Wilfred Lewis, 1929- | Article in Book | | 1969 |
| The interpretation of medieval Irish history | Richter, Michael, 1943-2011 | Article in Journal | | 1985 |
| The interpretation of Scandinavian settlement in Ireland | Bradley, John, 1954-2014 | Article in Book | | 1988 |
| The interpretation of twelfth-century Irish history | Warren, Wilfred Lewis, 1929- | Article in Book | | 1969 |
| The introduction of English law into Ireland | Maitland, Frederic William, 1850-1906 | Article in Journal | | 1889 |
| The inverted eucharistic formula Conversio corporis in panem et sanguines in vinum : the exegetical and liturgical background in Irish usage | MacNamara, Martin | Article in Journal | | 1987 |
| The Ireland of St. Columba | Byrne, Francis John, 1934-2017 | Article in Book | | 1965 |
| The Irish | O'Faolain, Sean | Monograph or Collective Volume | Penguin | 1947 |
| The Irish | Rolleston, T. W. H. | Article in Book | | 1934 |
| The Irish 'Catholic convert rolls' | Finegan, Francis | Article in Journal | | 1949 |
| The Irish 'harp' groats and half-groats of Henry VIII | Whitton, C. A. | Article in Journal | | 1948 |
| The Irish 'Royal Sites' in History and Archaeology | Wailes, Bernard | Article in Journal | | 1982 |
| The Irish : sinners, saints, gamblers, gentry, priests, Maoists, rebels, Tories, Orangemen, dippers, heroes, villains, and other proud natives of the fabled isle | O'Hanlon, T. J. | Monograph or Collective Volume | | 1975 |
| The Irish absentee tax controversy of 1773 : a study in Anglo-Irish politics on the eve of the American revolution | Moriarty, T. F. | Article in Journal | | 1974 |
| The Irish admiralty : its organisation and development, c. 1570-1640 | Appleby, John C.O'Dowd, Mary | Article in Journal | | 1985 |
| The Irish adventurers and the English Civil War | MacCormack, John R. | Article in Journal | | 1956 |
| The Irish agricultural depression of 1859-64 | Donnelly, James S., Jr | Article in Journal | | 1976 |
| The Irish analogies for the Romano-British barn dwelling | Richmond, I. A. | Article in Journal | | 1932 |
| The Irish analogies for the Romano-British barn-dwelling | Richmond, I. A. | Article in Journal | | 1932 |
| The Irish and Australian History | O'Farrell, Patrick James | Article in Journal | | 1978 |
| The Irish and Jansenism in the seventeenth century | O'Leary, J. S. | Article in Book | | 1978 |
| The Irish and Law in Australia | Brennan, G. | Article in Journal | | 1986 |
| The Irish and Scotch-Irish in eighteenth-century America | Moody, T. W. (Theodore William), 1907-1984 | Article in Journal | | 1946 |
| The Irish appeal of 1593 to Spain : some light on the genesis of the 'Nine Years' War' | Silke, John J. | Article in Journal | | 1959 |
| The Irish at the front. With an introduction by John Redmond | MacDonagh, Michael | Monograph or Collective Volume | | 1916 |
| The Irish background to Penn's experiment | Canny, Nicholas P. | Article in Book | | 1986 |
| The Irish Board of Works in the famine years | Griffiths, A. R. G. | Article in Journal | | 1970 |
| The Irish bracteates. Two little-known hoards in the National Museum of Ireland | Allen, D. F. | Article in Journal | | 1943 |
| The Irish broadside of 1571 and Queen Elizabeth's types | Dickins, B. | Article in Journal | | 1949 |
| The Irish Cartlands and Cartland genealogy | Cartland, G., SirCartland, J. B. | Monograph or Collective Volume | The author | 1978 |
| The Irish Catholic experience : a historical survey | Corish, Patrick J. | Monograph or Collective Volume | Gill & Macmillan | 1985 |
| The Irish Catholics and the Puritan revolution | Edwards, R. W. D. (Robert Walter Dudley) | Article in Book | | 1957 |
| The Irish Church and the Reform ministries | Condon, M. D. | Article in Journal | | 1964 |
| The Irish church in the eleventh and twelfth centuries | Gwynn, AubreyO'Brien, Gerard | Monograph or Collective Volume | | 1992 |
| The Irish church in the Irish laws | Melia, D. F. | Article in Book | | 1982 |
| The Irish church in the sixteenth century | Mooney, Canice | Article in Journal | | 1963 |
| The Irish Civil War and the drafting of the Free State constitution. 3 pts. | Akenson, Donald HarmanFallin, J. F. | Article in Journal | | 1970 |
| The Irish clergy of the diocese of Bordeaux during the revolution | Loupès, Philippe | Article in Book | | 1990 |
| The Irish clergyman | McAvoy, T. T. | Article in Book | | 1970 |
| The Irish coinage of Henry III | Dykes, David Wilmer | Article in Journal | | 1964 |
| The Irish coinage, 1534-1691 | Dolley, Michael | Article in Book | | 1976 |
| The Irish coinages of Henry VIII and Edward VI | Symonds, Henry | Article in Journal | | 1915 |
| The Irish college at Salamanca | Henchy, Monica | Article in Journal | | 1981 |
| The Irish colleges in the Low Countries | | Article in Journal | | 1949 |
| The Irish colleges on the continent | Giblin, Cathaldus | Article in Book | | 1978 |
| The Irish colleges on the continent : Their origin and history | O'Boyle, James | Monograph or Collective Volume | | 1935 |
| The Irish community in Greenock in the 19th century | Lobban, R. D. | Article in Journal | | 1971 |
| The Irish Conservatives and Home Rule, 1869-73 | Thornley, David | Article in Journal | | 1958 |
| The Irish constitutional revolution of the sixteenth century | Bradshaw, Brendan, 1937-2017 | Monograph or Collective Volume | Cambridge University Press | 1979 |
| The Irish Constitutional Tradition : Responsible Government and Modern Ireland, 1782-1992 | Ward, Alan Joseph | Monograph or Collective Volume | | 1994 |
| The Irish continental college movement : the colleges at Bordeaux, Toulouse and Lille | Walsh, T. J. (Timothy J.) | Monograph or Collective Volume | Golden Eagle Books | 1973 |
| The Irish court of wards under James I | Treadwell, Victor | Article in Journal | | 1960 |
| The Irish customs administration in the sixteenth century | Treadwell, Victor | Article in Journal | | 1978 |
| The Irish demographic crisis of 1740-41 | Drake, Michael | Article in Book | | 1968 |
| The Irish Derby, 1866-1979 | Hyland, Francis P. M.Williams, Guy St. John | Monograph or Collective Volume | | 1980 |
| The Irish dimension of the British Kulturkampf : Vaticanism and civil allegiance, 1870-1875 | Jenkins, H. | Article in Journal | | 1979 |
| The Irish discovery of America | Ashe, Geoffrey | Article in Journal | | 1958 |
| The Irish dissenters and nineteenth-century political economy | Black, R. D. C. | Article in Journal | | 1983 |
| The Irish economy, 1600-1660 | Clarke, Aidan, 1933-2020 | Article in Book | | 1976 |
| The Irish educational experiment : the national system of education in the 19th century | Akenson, Donald Harman | Monograph or Collective Volume | Routledge & Kegan Paul | 1970 |
| The Irish electorate, 1868-1915 | Walker, B. M. (Brian Mercer) | Article in Journal | | 1973 |
| The Irish element in the insular system of scripts to circa A.D. 850 | Brown, T. J. | Article in Book | | 1982 |
| The Irish emergency coinages of James II, 1689-91 | Stevenson, D. | Article in Journal | | 1967 |
| The Irish emigration of 1847 and its Canadian consequences | Gallagher, J. A. | Article in Journal | | 1935 |
| The Irish establishment | Johnston, S. H. F. | Article in Journal | | 1949 |
| The Irish exiles in Australia | Kiernan, T. J. | Monograph or Collective Volume | Clonmore & Reynolds | 1954 |
| The Irish experience in relation to the theory and policy of economic development | Black, R. D. C. | Article in Book | | 1973 |
| The Irish Flowerers | Boyle, Elizabeth, 1908-1995 | Monograph or Collective Volume | | 1971 |
| The Irish Franciscans in Poland | Jennings, Brendan | Article in Journal | | 1957 |
| The Irish Free State : Its Government and Politics | Mansergh, Nicholas, 1910-1991 | Monograph or Collective Volume | | 1934 |
| The Irish Free State and its Senate | O'Sullivan, Donal | Monograph or Collective Volume | Faber and Faber | 1940 |
| The Irish Free State and the League of Nations 1922-32 : The Wider Implications | Kennedy, Michael (Michael J.) | Article in Journal | | 1992 |
| The Irish Free State passport and the question of citizenship, 1921-4 | O'Grady, J. P. | Article in Journal | | 1989 |
| The Irish Free State, 1922-7 | Gwynn, D. R. (Denis Rolleston), 1893-1972 | Monograph or Collective Volume | | 1928 |
| The Irish General Prisons Board, 1877-1885 | Smith, B. A. | Article in Journal | | 1980 |
| The Irish glosses | Quin, E. G. | Article in Book | | 1984 |
| The Irish hagiographer: resources, aims, results.
In HSt, 16 (1987), | Doherty, Charles | Article in Book | | 1987 |
| The Irish Harp Society | McClelland, Aiken | Article in Journal | | 1975 |
| The Irish high cross : morphology and iconography | Roe, H. M. | Article in Journal | | 1965 |
| The Irish Home Rule Party and parliamentary obstruction, 1874-87 | Thornley, D. A. | Article in Journal | | 1960 |
| The Irish horn-reliquary of Tongres/Tongeren, Belgium | Ryan, Michael | Article in Book | | 1988 |
| The Irish immigrant in Britain | Boyle, Kevin | Article in Journal | | 1968 |
| The Irish in Australia | Hogan, James Francis | Monograph or Collective Volume | | 1877 |
| The Irish in Australia - a general view | MacDonagh, Oliver | Article in Book | | 1986 |
| The Irish in Australia and the United States : Some Comparisons 1800-1939 | Doyle, David Noel | Article in Journal | | 1989 |
| The Irish in Australia and the United States : Some Comparisons, 1800-1939 | Doyle, David Noel | Article in Journal | | 1989 |
| The Irish in Britain, 1815-1914 | Davis, Graham | Monograph or Collective Volume | | 1991 |
| The Irish in Britain, 1815-1914 : perspectives & sources | Swift, Roger | Monograph or Collective Volume | | 1990 |
| The Irish in modern Scotland | Handley, J. E. | Monograph or Collective Volume | University P. | 1947 |
| The Irish in nineteenth-century Britain : problems of integration | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Journal | | 1981 |
| The Irish in North America, 1776-1845 | Doyle, David Noel | Article in Book | | 1989 |
| The Irish in Nova Scotia : Annals of the Charitable Irish Society of Halifax, 1786-1836 | Stewart, H. L. | Monograph or Collective Volume | Kentville Publishing Co. | 1949 |
| The Irish in Philadelphia : ten generations of urban experience | Clark, Dennis | Monograph or Collective Volume | Temple University Press | 1973 |
| The Irish in Queensland : an overview | MacGinley, M. E. R. | Article in Book | | 1991 |
| The Irish in the Victorian city | | Monograph or Collective Volume | Croom Helm | 1985 |
| The Irish in the western Carolingian empire (according to James F. Kenny and Bern, Burgerbibliothek 363) | Contreni, John J. | Article in Book | | 1982 |
| The Irish in world Methodism : 1760-1900 | Taggart, N. W. | Monograph or Collective Volume | Epworth Press | 1986 |
| The Irish Jacobins | Kennedy, W. B. | Article in Journal | | 1976 |
| The Irish Jacobite army, 1689-91 | Murtagh, D.Murtagh, H. | Article in Journal | | 1990 |
| The Irish journals of Elizabeth Smith, 1840-1850 : a selection | Grant, Elizabeth, 1797-1885McGusty, MoyraThompson, David | Monograph or Collective Volume | Clarendon Press | 1980 |
| The Irish judiciary in the 18th and 19th centuries | O'Donovan, John | Article in Journal | | 1971 |
| The Irish land acts : a short sketch of their history and development | Bailey, W. F. | Monograph or Collective Volume | | 1917 |
| The Irish land question, 1830-50 | O'Neill, Thomas Patrick | Article in Journal | | 1955 |
| The Irish land revenues | Keating, D. J. [i.e. Simington, R. C.] | Article in Journal | | 1919 |
| The Irish language and Tudor government | Jackson, Donald | Article in Journal | | 1973 |
| The Irish language in Clare and north Tipperary, 1820 : Bishop Mantis enquiry | Mac Lochlainn, A. | Article in Journal | | 1977 |
| The Irish language in the early modern period | Ó Cuív, Brian | Article in Book | | 1976 |
| The Irish Language in the penal era | Cahill, Edward | Article in Journal | | 1940 |
| The Irish law of kingship with special reference to Aileach and Cenel Eoghain | Hogan, J. | Article in Journal | | 1932 |
| The Irish layman | Brown, T. N. | Article in Book | | 1970 |
| The Irish Linen Board, 1711-1828 | Gribbon, H. D. | Article in Book | | 1977 |
| The Irish literary tradition | Caerwyn Williams, J. E.Ford, Patrick K. | Monograph or Collective Volume | | 1992 |
| The Irish lives of Guy of Warwick and Bevis of Hampton | | Article in Journal | | 1908 |
| The Irish Manuscripts Commission : work in progress | Hogan, J. | Monograph or Collective Volume | University P. | 1954 |
| The Irish manuscripts in Case H in Trinity College, Dublin, catalogued by Matthew Young in 1781 | O'Sullivan, William, 1921-2000 | Article in Journal | | 1976 |
| The Irish merchant communities of Bordeaux, La Rochelle and Cognac in the eighteenth century | Cullen, L. M. (Louis Michael) | Article in Book | | 1980 |
| The Irish mints of Edward I in the light of the coin-hoards from Ireland and Great Britain | Dolley, Michael | Article in Journal | | 1968 |
| The Irish Missal of Corpus Christi College, Oxford | Gwynn, Aubrey | Article in Book | | 1964 |
| The Irish mission of the seventh century : historical fact or historiographical fiction? | Schaferdiek, Knut | Article in Book | | 1984 |
| The Irish missionary movement : a historical survey, 1830-1980 | Hogan, E. M. | Monograph or Collective Volume | Gill & Macmillan|Catholic University of America Press | 1990 |
| The Irish Municipal Employees Trade Union 1883-1983 | Redmond, Sean | Monograph or Collective Volume | Irish Municipal Employees Trade Union | 1983 |
| The Irish narrow gauge railway | Prideaux, J. D. C. A. | Monograph or Collective Volume | | 1981 |
| The Irish Nurse : a study of nursing in Ireland : history and education, 1718-1981 | Scanlan, Pauline | Monograph or Collective Volume | | 1991 |
| The Irish on the Somme, being the second series of 'The Irish at the Front'. With an introduction by John Redmond | MacDonagh, Michael | Monograph or Collective Volume | | 1917 |
| The Irish parliament and the états du Languedoc, 1642-1689 : regional assemblies and the doctrine of law | Caldicott, C. J. | Article in Book | | 1991 |
| The Irish Parliament in the Middle Ages | Gwynn, Aubrey | Article in Journal | | 1953 |
| The Irish parliament of 1560 : the Anglican reforms authorised | Jefferies, Henry A. | Article in Journal | | 1988 |
| The Irish parliament of 1569-71 | Treadwell, Victor | Article in Journal | | 1966 |
| The Irish parliament of 1689 | Preston, Christopher | Article in Journal | | 1948 |
| The Irish parliament of 1692 | McGuire, James | Article in Book | | 1979 |
| The Irish parliament of 1713 | Simms, J. G. (John Gerald) | Article in Book | | 1963 |
| The Irish Parliamentary Party machine, 1874-85 | O'Brien, C. C. | Article in Journal | | 1946 |
| The Irish parliamentary party, 1890-1910 | Lyons, F. S. L. (Francis Stewart Leland) | Monograph or Collective Volume | Faber and Faber | 1951 |
| The Irish party within the imperial parliament | Lambert, Y. D. | Article in Journal | | 1950 |
| The Irish penal code and some of its historians | Burns, R. E. | Article in Journal | | 1959 |
| The Irish Penitentials | | Monograph or Collective Volume | Institute for Advanced Studies | 1963 |
| The Irish Peter Lombard | Silke, John J. | Article in Journal | | 1975 |
| The Irish police experiment : the beginnings of modern police in the British Isles, 1785-95 | Palmer, S. H. | Article in Journal | | 1975 |
| The Irish Popery laws : a study of 18th century legislation and behavior | Burns, R. E. | Article in Journal | | 1962 |
| The Irish post office, 1638-1703 | Jackson, T. V. | Article in Journal | | 1959 |
| The Irish pound, 1797-1826; a reprint of the report of the committee of 1804 of the British House of Commons on the condition of the Irish currency, with selections from the minutes of evidence presented to the committee and an introduction | | Monograph or Collective Volume | Allen & Unwin | 1955 |
| The Irish precedent for English church reform : the Church Temporalities Act of 1833 | Brose, O. J. | Article in Journal | | 1956 |
| The Irish presidency courts, 1569-1672 | Irwin, L. | Article in Journal | | 1977 |
| The Irish press and revolutionary Irish nationalism, 1900-22 | Glandon, V. E. | Article in Journal | | 1981 |
| The Irish press during the French revolution | Stewart, J. H. | Article in Journal | | 1962 |
| The Irish priest in North America | Edwards, Owen Dudley | Article in Book | | 1989 |
| The Irish priests in the penal times (1660-1760) | Burke, William P. | Monograph or Collective Volume | | 1914 |
| The Irish Pro-Boers, 1877-1902 | McCracken, Donal P. | Monograph or Collective Volume | | 1989 |
| The Irish Protestant Home Rule Association and nationalist politics, 1886-93 | Laughlin, J. | Article in Journal | | 1985 |
| The Irish Protestants and James II, 1688-1690 | Gillespie, Raymond, 1955-2024 | Article in Journal | | 1992 |
| The Irish provenance of Bede's computus | Ó Cróinín, Dáibhí | Article in Journal | | 1983 |
| The Irish provincial presidencies 1569-1672 | Irwin, Liam | Article in Journal | | 1980 |
| The Irish Quakers : a short history of the Religious Society of Friends in Ireland | Wigham, Maurice J. | Monograph or Collective Volume | Historical Committee of the Religious Society of Friends in Ireland | 2003 |
| The Irish question and British politics, 1868-1986 | Boyce, D. G. (David George) | Monograph or Collective Volume | Macmillan | 1988 |
| The Irish question and Liberal politics, 1886-94 | Hamer, D. A. | Article in Journal | | 1969 |
| The Irish question, 1800-1922 | McCaffrey, Lawrence J., 1925- | Monograph or Collective Volume | University of Kentucky Press | 1968 |
| The Irish question, 1840-1921 : A commentary on Anglo-Irish relations and on social and political forces in Ireland in the age of reform and revolution. | Mansergh, Nicholas, 1910-1991 | Monograph or Collective Volume | | 1965 |
| The Irish raj : Social origins and careers of Irishmen in the Indian Civil Service, 1855-1914 | Cook, Scott B. | Article in Journal | | 1987 |
| The Irish rebellion of 1641, with a history of the events which led up to and succeeded it | Hamilton, E. W., Lord | Monograph or Collective Volume | | 1920 |
| The Irish rebellion of 1798 : two first hand accounts | | Article in Journal | | 1974 |
| The Irish Record Commission 1810-30 | Griffith, Margaret C. | Article in Journal | | 1950 |
| The Irish record situation | Darwin, Kenneth | Article in Journal | | 1963 |
| The Irish Reformation parliament of Henry VIII, 1536-7 | Edwards, R. W. D. (Robert Walter Dudley) | Article in Book | | 1968 |
| The Irish regiments in the Spanish service | McDermott, Anthony | Article in Journal | | 1952 |
| The Irish Registry of Deeds : a comparative study | Roebuck, Peter | Article in Journal | | 1972 |
| The Irish Republic | Lough, S. M. | Article in Book | | 1953 |
| The Irish script of the MS Milan, Bibliotheca Ambrosiana, S. 45 sup (ante ca. 625) | Schauman, B. T. | Article in Journal | | 1978 |
| The Irish Sea in the age of the saints | Bowen, E. G. | Article in Journal | | 1969 |
| The Irish settlements in post-Roman western Britain : A survey of the evidence | Thomas, Charles | Article in Journal | | 1972 |
| The Irish Settlements in Wales | Dillon, Myles | Article in Journal | | 1977 |
| The Irish Society agus Tadhg Ó Coinnialláin | Ó Hailín, Tomás | Article in Journal | | 1968 |
| The Irish stage in the county towns : 1720-1800 | Clark, W. S. | Monograph or Collective Volume | Clarendon Press | 1965 |
| The Irish staple organisation in the reign of James I | O'Brien, George, 1892-1973 | Article in Journal | | 1926 |
| The Irish Struggle 1916-1926 | | Monograph or Collective Volume | Routledge & Kegan Paul | 1968 |
| The Irish tangle for English readers | Leslie, John Randolph (Shane), 1885–1971 | Monograph or Collective Volume | Macdonald | 1946 |
| The Irish theatre | Fitz-Simon, Christopher | Monograph or Collective Volume | Thames & Hudson | 1983 |
| The Irish Tontine (1777) and Fifty Genevans : An Essay on Comparative Mortality | Jennings, R. M.Trout, A. P. | Article in Journal | | 1983 |
| The Irish townland system of landscape organisation | McErlean, Thomas | Article in Book | | 1983 |
| The Irish tradition | Flower, Robin | Monograph or Collective Volume | Clarendon Press | 1947 |
| The Irish Unionist party and the devolution crisis of 1904-5 | Lyons, F. S. L. (Francis Stewart Leland) | Article in Journal | | 1948 |
| The Irish unionists, 1867-86 | Savage, D. C. | Article in Journal | | 1967 |
| The Irish university question of the 19th century | Moody, T. W. (Theodore William), 1907-1984 | Article in Journal | | 1958 |
| The Irish version of Fierabras | | Article in Journal | | 1899 |
| The Irish versions of the letter of Prester John | | Article in Journal | | 1954 |
| The Irish Viceroyalty in the Restoration period | Beckett, J. C. (James Camlin) | Article in Journal | | 1970 |
| The Irish war of defence, 1598-1600 : extracts from the 'De Hibernia Insula Commentarius' of Peter Lombard, archbishop of Armagh. Edited, with introduction and translation | | Monograph or Collective Volume | | 1930 |
| The Irish Whigs and the Regency crisis in Ireland, 1789-89 | Kennedy, D. | Article in Journal | | 1983 |
| The Irish whigs, administrative reform and responsible government, 1782-1800 | Kennedy, Denis | Article in Journal | | 1974 |
| The Irish woods since Tudor times : distribution and exploitation | McCracken, Eileen | Monograph or Collective Volume | David & Charles | 1971 |
| The Irish workhouses during the Great Famine | O'Neill, Thomas Patrick | Article in Journal | | 1958 |
| The Irish world : the history and cultural achievements of the Irish people | | Monograph or Collective Volume | Thames & Hudson | 1977 |
| The Irish-born inhabitants of Cadiz in 1791 | Walton, J. C. | Article in Journal | | 1979 |
| The Irish-French connection, 1578-1978 | | Monograph or Collective Volume | The Irish College | 1978 |
| The Irish-Portuguese trade dispute, 1770-90 | Lammey, David | Article in Journal | | 1986 |
| The Irishness of Irish silver | Townshend, Francis | Article in Journal | | 1966 |
| The Jackson episode in 1794 | MacDermot, Frank | Article in Journal | | 1938 |
| The Jacobite parliament of 1689 | Simms, J. G. (John Gerald) | Monograph or Collective Volume | Dundalgan Press | 1966 |
| The Jacobite war in Ireland, 1688-91 | Petrie, Charles Alexander, Sir | Article in Journal | | 1947 |
| The Jesuits and the 1937 constitution | Keogh, Dermot | Article in Journal | | 1989 |
| The Jews of Ireland : from earliest times to the year 1910 | Hyman, Louis | Monograph or Collective Volume | Irish University Press | 1972 |
| The John Ivory School, New Ross | Quane, Michael | Article in Journal | | 1950 |
| The journey of James Lyons from Rome to Sligo, 1763-5 | | Article in Journal | | 1968 |
| The judges in Ireland, 1221-1921. 2 vols. | Ball, F. E. | Monograph or Collective Volume | | 1927 |
| The judicial powers of the medieval Irish keepers of the peace | Frame, Robin | Article in Journal | | 1967 |
| The justiciarship of Ralph Ufford : warfare and politics in 14th-century Ireland | Frame, Robin | Article in Journal | | 1973 |
| The Kavanaghs, 1400-1700 | Nicholls, K. W. (Kenneth W.) | Article in Journal | | 1981 |
| The Kearney's : a true story : a story of mystery, murder and retribution | Anonymous | Monograph or Collective Volume | Narrow Lanes Press | 2021 |
| The keen for Art O'Leary, its Background and its Place in the Tradition of Gaelic Keening | Bromwich, R. S. | Article in Journal | | 1945 |
| The Kenmare manuscripts | | Monograph or Collective Volume | The Stationery Office [for the Irish Manuscripts Commission] | 1942 |
| The Kilkenny witchcraft case, 1325 | Morrin, James | Article in Journal | | 1879 |
| The killing of Shane O'Neill : some new evidence | | Article in Journal | | 1982 |
| The Kilmaine hoard : silver pennies, mainly English Short Cross of Henry III, deposited c.1240 | Kenny, Michael | Article in Journal | | 1989 |
| The king as judge in early Ireland | Gerriets, Marilyn | Article in Journal | | 1988 |
| The King's printers in Ireland, 1551-1919 | Hammond, J. W. | Article in Journal | | 1950 |
| The king's purse and the absentee's pocket in eighteenth-century Ireland | Fanning, S. J. | Article in Book | | 1969 |
| The king's serjeant at law in Tudor Ireland, 1485-1603 | Hart, A. R. | Article in Book | | 1990 |
| The kingdom of Breifne | Duignan, M. V. (Michael V.) | Article in Journal | | 1935 |
| The kings of England and papal provisions in fifteenth-century Ireland | Edwards, R. W. D. (Robert Walter Dudley) | Article in Book | | 1961 |
| The Knights of Glin : a Geraldine family | Gaughan, J. Anthony, 1932- | Monograph or Collective Volume | Kingdom Books | 1978 |
| The Knights of Saint Columbanus | Bolster, Evelyn | Monograph or Collective Volume | | 1979 |
| The La Tène and Roman finds from Lambay, County Dublin : a re-assessment | Rynne, Etienne | Article in Journal | | 1976 |
| The labor market and the distribution of landholdings in pre-famine Ireland | McGregor, Pat | Article in Journal | | 1992 |
| The lady and the king : a theme of Irish literature | Breatnach, R. A. | Article in Journal | | 1953 |
| The Lagan Valley, 1800-50 : a local history of the industrial revolution | Green, E. R. R. (Edward Rodney Richey), 1920- | Monograph or Collective Volume | Faber | 1949 |
| The land and the people of nineteenth-century Cork : the rural economy and the land question | Donnelly, James S., Jr | Monograph or Collective Volume | Routledge & Kegan Paul | 1975 |
| The Land League ideal : achievements and contradictions | Bew, Paul | Article in Book | | 1982 |
| The land of the Leinstermen | Nicholls, K. W. (Kenneth W.) | Article in Journal | | 1984 |
| The land question and elections in Ulster, 1868-86 | Walker, B. M. (Brian Mercer) | Article in Book | | 1983 |
| The land settlement | Maguire, W. A. (William Alexander) | Article in Book | | 1990 |
| The landed gentry of Ireland | Burke, J. B. (John Bernard), Sir | Monograph or Collective Volume | Harrison | 1858 |
| The landed gentry of the county of Louth in the age of the Tudors | O'Sullivan, Harold | Article in Journal | | 1989 |
| The lands of St Mary's abbey, Dublin | Ó Conbhuí, Colmcille | Article in Journal | | 1962 |
| The lands of the Maguires of Tempo in the seventeenth century | Maguire, W. A. (William Alexander) | Article in Journal | | 1987 |
| The languages of belief : nineteenth-century religious discourse in southwest Donegal | Taylor, L. J. | Article in Book | | 1992 |
| The last bill of pains and penalties : the case of Daniel O'Sullivan, 1869 | MacDonagh, Oliver | Article in Journal | | 1974 |
| The last earls of Barrymore, 1769-1824 | Robinson, J. R. | Monograph or Collective Volume | | 1894 |
| The last lords of Ormond. A history of the 'Countrie of the Three O'Kennedys' during the seventeenth century | Gleeson, Dermot F. | Monograph or Collective Volume | Sheed & Ward | 1938 |
| The last speech of Blessed Oliver Plunket | | Article in Journal | | 1947 |
| The last years of Hugh O'Neill : Rome, 1608-16 | Walsh, Micheline | Article in Journal | | 1969 |
| The later construction and use of motte and bailey castles in Ireland : new evidence from Leinster | O'Conor, Kieran Denis | Article in Journal | | 1991 |
| The later pilgrimage - Irish poetry on Lough Derg | Ní Chatháin, Próinséas | Article in Book | | 1988 |
| The Latin hymns of Richard Ledrede | | Monograph or Collective Volume | | 1975 |
| The Latin poems of Richard Ledrede, O.F.M., bishop of Ossory, 1317-1360 | | Monograph or Collective Volume | | 1974 |
| The Laud genealogies and tribal histories | | Article in Journal | | 1912 |
| The law of election in the ancient cities and towns of Ireland traced from original records. With facsimile engravings and an appendix of documents | Lynch, William | Monograph or Collective Volume | | 1831 |
| The law of landlords and tenants in Ireland : collected from the books of reports, common law and practice, and from the acts of parliament of force in this kingdom | Dutton, Matthew | Monograph or Collective Volume | | 1726 |
| The law of status or franchise | Mac Néill, Eoin | Article in Journal | | 1923 |
| The Lawders of the Bass and their descendants | Lawder, C. A. B. | Monograph or Collective Volume | | 1914 |
| The laws of the Irish | Breatnach, LiamBreen, AidanÓ Corráin, Donnchadh | Article in Journal | | 1984 |
| The lawyers of the Irish novels of Anthony Trollope | Osborough, W. N. (William Nial) | Article in Book | | 1990 |
| The lay Coarb in medieval times | Barry, J. G. | Article in Journal | | 1959 |
| The layout of Irish early Christian monasteries | Herity, Michael | Article in Book | | 1984 |
| The Leabhar Oiris | | Article in Journal | | 1904 |
| The Leadbeater papers, 1 : The annals of Ballitore with a memoir of the author; 2 : Letters and correspondence | | Monograph or Collective Volume | | 1862 |
| The learned tales of medieval Ireland | Mac Cana, Proinsias | Monograph or Collective Volume | | 1980 |
| The learned tales of medieval Ireland | Mac Cana, Proinsias | Monograph or Collective Volume | | 1980 |
| The legacy of Swift : a bi-centenary record of St. Patrick's Hospital, Dublin | Craig, Maurice James | Monograph or Collective Volume | | 1948 |
| The legal capacity of women in regard to contracts | Binchy, D. A. (Daniel Anthony), 1900-1989 | Article in Book | | 1936 |
| The legal controversy surrounding the Irish state prisoners 1848-1856 | Touhill, Blanche M. | Article in Book | | 1983 |
| The legal position of Irish women in the later middle ages | Simms, Katharine | Article in Journal | | 1975 |
| The legal proceedings against the first earl of Desmond | | Article in Journal | | 1966 |
| The legal profession and the defence of the ancien regime in Ireland, 1790-1840 | Hill, Jacqueline R. | Article in Book | | 1990 |
| The Legal Profession in Ireland 1789-1922 | Hogan, D. | Monograph or Collective Volume | Incorporated Law Society | 1986 |
| The leper hospitals of Munster | Lee, Gerard A. | Article in Journal | | 1966 |
| The leper hospitals of the Upper Shannon area | Lee, Gerard A. | Article in Journal | | 1975 |
| The Leslies of Tarbert, County Kerry, and their forebears | Pielou, P. L. | Monograph or Collective Volume | | 1935 |
| The letter-book of General de Zubiaur : a calendar of the 'Irish' letters | Coombes, JamesWare, N. J. | Article in Journal | | 1978 |
| The letters of Charles O'Conor of Belanagare. 2 vols. | Ward, C. C.Ward, R. E. | Monograph or Collective Volume | | 1980 |
| The letters of Guatimozin on the affairs of Ireland ... to which are added the letters of Causidicius ... | [Jebb, Frederick] | Monograph or Collective Volume | | 1779 |
| The letters of Innocent III as a source for Irish history | Dunning, P. J. | Article in Journal | | 1958 |
| The letters of Innocent III to Ireland : a calendar ... | | Article in Journal | | 1962 |
| The letters of Luke Wadding | Mooney, Canice | Article in Journal | | 1957 |
| The Letters of Pope Innocent III to Ireland | Dunning, P. J. | Article in Book | | 1964 |
| The letters of Saint Oliver Plunkett, 1625-1681 : Archbishop of Armagh and Primate of all Ireland | | Monograph or Collective Volume | | 1979 |
| The letters of Saint Oliver Plunkett, 1625-1681, Archbishop of Armagh and Primate of All Ireland | | Monograph or Collective Volume | | 1979 |
| The Levellers and the conquest of Ireland in 1649 | Carlin, Norah | Article in Journal | | 1987 |
| The Liberator (Daniel O'Connell); his life & times, political social and religious | Cusack, M. F. (Margaret Anna), 1829-1899 | Monograph or Collective Volume | | 1875 |
| The Liberator (Daniel O'Connell); his life & times, political, social and religious | Cusack, M. F. (Margaret Anna), 1829-1899 | Monograph or Collective Volume | | 1872 |
| The Liberator : Daniel O'Connell and the Irish party, 1830-47 | MacIntyre, A. D. | Monograph or Collective Volume | Hamish Hamilton | 1965 |
| The library of a preacher of Drogheda : John Donnelly, O.P. (d. 1748) | | Article in Journal | | 1978 |
| The library of Bishop William Daton of Ossory, 1698 | | Article in Journal | | 1978 |
| The library of the Augustinians of Galway in 1731 | | Article in Journal | | 1990 |
| The licensing of mortmain alienations in the medieval lordship of Ireland | Brand, Paul | Article in Journal | | 1986 |
| The life and letters of the great earl of Cork | Townshend, Dorothea | Monograph or Collective Volume | | 1904 |
| The life and times of Henry Cooke, D.D., LL.D. President of Assembly's College, Belfast | Porter, J. L. | Monograph or Collective Volume | | 1871 |
| The life and times of Mary Ann McCracken, 1770-1866 | McNeill, Mary | Monograph or Collective Volume | Allen Figgis | 1960 |
| The life of Aodh Ruadh O Domhnaill, transcribed from the book of Lughaidh Ó Clérigh. Part 1; text and translation. Part 2; introduction, glossary etc. 2 pts. | | Monograph or Collective Volume | Educational Company of Ireland | 1957 |
| The life of George Berkeley, Bishop of Cloyne | Luce, A. A. | Monograph or Collective Volume | Nelson | 1949 |
| The life of Oscar Wilde | Pearson, Hesketh | Monograph or Collective Volume | Methuen | 1946 |
| The life of Rev. Arthur O'Leary including historical anecdotes, memoirs, and many hitherto unpublished documents, illustrative of the condition of the Irish Catholics during the eighteenth century | England, T. R. | Monograph or Collective Volume | | 1822 |
| The Life of St. Columba founder of Hy; / written by Adamnan, the text printed from a manuscript of the eighth century ; with the various readings of six other manuscripts ... to which is added copious notes and observations illustrative of the early history of the Columbian institutions in Ireland and Scotland | | Monograph or Collective Volume | Irish Archaeological and Celtic Society | 1857 |
| The life of the Celtic Church | Bulloch, James | Monograph or Collective Volume | Saint Andrew Press | 1963 |
| The life of the late Rev. Philip Skelton | Burdy, Samuel | Monograph or Collective Volume | | 1792 |
| The life of Thomas Reynolds. 2 vols. | Reynolds, Thomas | Monograph or Collective Volume | | 1839 |
| The linen industry and the advertising of towns and villages in Ireland 1700-1750 | Lockhart, D. G. | Article in Journal | | 1977 |
| The linen industry in the Clones area, 1660-1840 | Ó Mórdha, Philip | Article in Journal | | 1979 |
| The linen trade of Europe during the spinning-wheel period | Horner, John | Monograph or Collective Volume | | 1920 |
| The Lisburn area in the early Christian period, part 1 : setting the scene; part 2 : some people and places | Warner, Richard | Article in Journal | | 1991 |
| The Lisburn by-elections of 1863 | Royale, S. A. | Article in Journal | | 1987 |
| The liturgical background of the Derrynavlan altar service | Ní Chatháin, Próinséas | Article in Journal | | 1981 |
| The liturgy in Dublin, 1200-1500 : manuscript sources | Hawkes, William | Article in Journal | | 1958 |
| The Liverpool Irish Volunteers | Forde, Frank | Article in Journal | | 1983 |
| The lives of Roger Casement | Reid, B. L. | Monograph or Collective Volume | Yale University Press | 1976 |
| The location of early churches in northern county Clare | Mytum, Harold C. | Article in Book | | 1982 |
| The London companies and tenant right in 19th century Ireland | Robinson, Olive | Article in Journal | | 1970 |
| The London companies as progressive landlords in 19th century Ireland | Robinson, Olive | Article in Journal | | 1962 |
| The Londonderrys : a family portrait | Hyde, Harford Montgomery | Monograph or Collective Volume | Hamish Hamilton | 1979 |
| The long middle ages : from the twelfth century to the reformation | Stalley, Roger | Article in Book | | 1977 |
| The lords of Dublin in the age of reformation | Lennon, Colm | Monograph or Collective Volume | Irish Academic Press | 1989 |
| The lost architecture of the Wexford plantation | Loeber, M. S.Loeber, Rolf | Article in Book | | 1987 |
| The lost children : a study of charity children in Ireland, 1700-1900 | Robins, Joseph | Monograph or Collective Volume | Institute of Public Administration | 1980 |
| The lucky colonel | Tomasson, Katherine | Article in Journal | | 1965 |
| The Lynch Blosse papers | | Article in Journal | | 1980 |
| The lyrics of the Red Book of Ossory | | Monograph or Collective Volume | Blackwell Publishers | 1974 |
| The Mac Bradaigh chiefs of Teallach Cearbhuill | Mac Bradaigh, S. O. R. | Article in Journal | | 1986 |
| The MacCoghlans | Nicholls, K. W. (Kenneth W.) | Article in Journal | | 1983 |
| The machinery of the Irish parliamentary party in the general election of 1895 | Lyons, F. S. L. (Francis Stewart Leland) | Article in Journal | | 1952 |
| The MacMahons of Monaghan | Ó Mórdha, Pilib | Article in Journal | | 1962 |
| The Madan family and Maddens in Ireland and England. A historical account with notes and pedigrees of connections by marriage, Spanish branches, and the Maddens | Madan, Falconer, 1851-1935 | Monograph or Collective Volume | | 1933 |
| The Magawlys of Calry, 1.|The Magawleys of Calry, 2.|Magawleys of Calry - a correction | Cox, Liam, 1908-2003 | Article in Journal | | 1975 |
| The making of a penal law (2 Anne, c.6), 1703-4 | Simms, J. G. (John Gerald) | Article in Journal | | 1960 |
| The making of an O'Neill | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Journal | | 1970 |
| The making of an Ulster great estate : the Chichesters, barons of Belfast and viscounts of Carrickfergus, 1599-1648 | Roebuck, P. | Article in Journal | | 1979 |
| The making of Irish geography, iv : The Physico-Historical Society of Dublin, 1744-52 | Davies, G. L. H. | Article in Journal | | 1979 |
| The making of modern Ireland, 1603-1923 | Beckett, J. C. (James Camlin) | Monograph or Collective Volume | Faber | 1966 |
| The Making of the Montgomery manuscripts | Gillespie, Raymond, 1955-2024 | Article in Journal | | 1986 |
| The management of estates by financial corporations in Ireland after the famine | Lane, P. G. | Article in Journal | | 1974 |
| The manor and castle of Powerscourt ... in the sixteenth century | Fitzgerald, Lord Walter, 1858-1923 | Article in Journal | | 1909 |
| The manor and fishery of Killorglin, Co. Kerry : note on its history | Dodd, M. J. de C. | Article in Journal | | 1945 |
| The manor of Arklow in the sixteenth century | Ó Duinn, Séamus | Article in Journal | | 1986 |
| The manor of Cloncurry, Co. Kildare, and the feudal system of land tenure in Ireland | O'Loan, J. J. | Article in Journal | | 1961 |
| The manor of Mallow in the thirteenth century | Berry, H. F. | Article in Journal | | 1894 |
| The manor of Móra | Collins, J. T. | Article in Book | | 1947 |
| The manuscript known as the Liber Flavus Fergusiorum | Gwynn, E.J. (Edward John) | Article in Journal | | 1906 |
| The manuscripts and correspondence of James, first earl of Charlemont, Vol. 1, 1745-83; vol. 2, 1784-99. (12th Report, appendix 10 [C. 6338-ii]; 13th Report, appendix 8 [C. 7424]). 2 vols. | Historical Manuscripts Commission | Monograph or Collective Volume | | 1891 |
| The manuscripts of Captain Knox. 1, Correspondence of William Knox, chiefly in relation to American affairs, 1757-1808 | Anonymous | Article in Book | | 1909 |
| The manuscripts of the earl of Donoughmore | Anonymous | Article in Book | | 1891 |
| The manuscripts of the Lord Emly, Tervoe, Co. Limerick. Correspondence of Edmond Sexton Pery, Speaker of the House of Commons in Ireland | Anonymous | Article in Book | | 1895 |
| The manuscripts of the marquis of Abergavenny | Anonymous | Article in Book | | 1887 |
| The mapping of medieval Dublin : a case-study in thematic cartography | Clarke, Howard B. | Article in Book | | 1985 |
| The marginal Britons : the Irish | Boyce, D. G. (David George) | Article in Book | | 1986 |
| The marginal kingdom : Ireland as a problem in the first British empire | Canny, Nicholas P. | Article in Book | | 1991 |
| The maritime intercourse between Bordeaux and Ireland, c. 1450-c.1520 | Bernard, Jacques | Article in Journal | | 1980 |
| The market-book of Thomas Greer, a Dungannon linendraper, 1758-9 | Crawford, W. H. (William Henry), 1932-2014 | Article in Journal | | 1967 |
| The Marshall pedigree | Hall, Hamilton | Article in Journal | | 1913 |
| The Martello towers of Ireland | Enoch, V. J. | Monograph or Collective Volume | Eason | 1975 |
| The Martyrology of Donegal : a calendar of the saints of Ireland | | Monograph or Collective Volume | Irish Archaeological & Celtic Society | 1864 |
| The martyrology of Tallaght | | Monograph or Collective Volume | | 1931 |
| The McClintock family : forbears of great Ulster field-marshals | Abbott, Wilfrid | Monograph or Collective Volume | | 1948 |
| The McGillicuddy papers : a selection from the family archives of the McGillicuddy of the Reeks with an introductory memoir being a contribution to the history of the county of Kerry | | Monograph or Collective Volume | Longman Green | 1867 |
| The meaning and significance of "Protestant ascendancy", 1787-1840 | Hill, Jacqueline R. | Article in Book | | 1989 |
| The meaning of 'ecclesiastical law' | Denning, A. T., Sir | Article in Journal | | 1944 |
| The mediaeval church lands of Co. Dublin | Otway-Ruthven, Annette Jocelyn, 1909-1989 | Article in Book | | 1961 |
| The medieval borough of Louth : an archaeological study | Bradley, John, 1954-2014 | Article in Journal | | 1987 |
| The medieval castle of Athlone | Claffey, John A. | Article in Journal | | 1970 |
| The medieval chapter of Armagh Cathedral | Watt, J. A. | Article in Book | | 1992 |
| The medieval chapter of St Mary's cathedral, Limerick | Hand, Geoffrey Joseph | Article in Book | | 1961 |
| The medieval church lands of County Dublin | Otway-Ruthven, Annette Jocelyn, 1909-1989 | Article in Book | | 1961 |
| The medieval county of Kildare | Otway-Ruthven, Annette Jocelyn, 1909-1989 | Article in Journal | | 1958 |
| The medieval English colony (c. 1300-c. 1400) | Lydon, James F. | Article in Book | | 1967 |
| The medieval fabric of the cathedral church of St Patrick in Dublin | Rae, E. C. | Article in Journal | | 1980 |
| The medieval Irish annals | Mac Niocaill, Gearóid | Monograph or Collective Volume | Dublin Historical Association | 1975 |
| The medieval Irish legal fragment lost from British Library MS Egerton 92 | Eska, Charlene M. | Article in Journal | | 2023 |
| The medieval kingdom of Lough Erne | Simms, Katharine | Article in Journal | | 1977 |
| The medieval kingdom of Mugdorna | Ó Mórdha, P. | Article in Journal | | 1971 |
| The medieval moated sites of south-eastern Ireland : counties Carlow, Kilkenny, Tipperary and Wexford | Barry, Terence B. | Monograph or Collective Volume | British Archaeol. Repts. | 1977 |
| The medieval parishes of Ballymore and Mullabrack | McGleenon, C. F. | Article in Journal | | 1987 |
| The medieval period | Cosgrove, Art | Article in Book | | 1991 |
| The medieval pilgrimage to St Patrick's Purgatory : Lough Derg and the European tradition | | Monograph or Collective Volume | Clogher Historical Society | 1988 |
| The medieval priory of Saints Peter and Paul in Athlone | Conlan, Patrick, 1940- | Article in Book | | 1980 |
| The medieval province of Armagh, 1470-1545 | Gwynn, Aubrey | Monograph or Collective Volume | Tempest | 1946 |
| The medieval ringfort : an archaeological chimera? | Lynn, C. J. | Article in Journal | | 1975 |
| The medieval sculpture of Christ Church cathedral, Dublin | Stalley, Roger
| Article in Book | | 1990 |
| The medieval settlement of Newcastle Lyons, County Dublin : an interdisciplinary approach | Edwards, K. J.Hammond, F. W.Simms, Anngret | Article in Journal | | 1983 |
| The medieval town wall of Cork | Dower, DenisHurley, Maurice | Article in Journal | | 1981 |
| The medieval towns of county Meath | Bradley, John, 1954-2014 | Article in Journal | | 1989 |
| The medieval towns of Kerry | Bradley, John, 1954-2014 | Article in Journal | | 1989 |
| The medieval towns of Tipperary | Bradley, John, 1954-2014 | Article in Book | | 1985 |
| The medieval university of St Patrick's, Dublin | Gwynn, Aubrey | Article in Journal | | 1938 |
| The meeting of Saint Paul and Saint Anthony : visual and literary uses of a eucharistic motif | Ó Carragáin, Éamonn | Article in Book | | 1988 |
| The members of parliament of Laois and Offaly (Queen's and King's Counties) 1801-1918 | Meehan, P. | Monograph or Collective Volume | Leinster Express Newspapers | 1983 |
| The men of no property : Irish radicals and popular politics in the late eighteenth century | Smyth, Jim | Monograph or Collective Volume | | 1992 |
| The men of the north | Shaw, R. C. | Monograph or Collective Volume | | 1973 |
| The merchant communities of Waterford in the sixteenth and seventeenth centuries | Walton, J. C. | Article in Book | | 1986 |
| The merchant tailor's guild : that of St John the Baptist, Dublin, 1418-1841 | | Article in Journal | | 1918 |
| The Methodist baptismal registers of County Louth, 1829-1865 | Turner, B. S. | Article in Journal | | 1975 |
| The Methodist baptismal registers of County Louth, 1829-1865 | Turner, B. S. | Article in Journal | | 1975 |
| The Methodist crusade in Ireland 1795-1845 | Hempton, David | Article in Journal | | 1980 |
| The metrical calendar of Hampson : a new edition | McGurk, Patrick | Article in Journal | | 1986 |
| The metrical prose of Adomnán's Vita Columbae : an unusual system | Picard, Jean-Michel | Article in Book | | 1984 |
| The migration of the Ciarraige | Hull, Vernam | Article in Journal | | 1950 |
| The migration of Ulster catholics to Connaught, 1795-6 | Hogan, Patrick | Article in Journal | | 1979 |
| The military order of St Patrick, 1593 | Walsh, M. K. | Article in Journal | | 1979 |
| The militia in Munster, 1715-1778 | O'Donovan, Jim | Article in Book | | 1989 |
| The millhouse engine in Jameson's distillery, Bow Street, Dublin | Bowie, G. | Article in Journal | | 1972 |
| The mint of Galway | Parsons, H. A. | Article in Journal | | 1948 |
| The mint of Limerick under James II | Dolley, MichaelRice, Gerard | Article in Book | | 1988 |
| The mint, Carlingford | Leask, H. G. (Harold G.) | Article in Journal | | 1946 |
| The mission of John de Hothum to Ireland, 1315-1316 | Phillips, J.R.S. (John Roland Seymour) | Article in Book | | 1981 |
| The missions : Africa and the Orient | McGlade, Joseph | Monograph or Collective Volume | Gill | 1967 |
| The mitred earl : an 18th century eccentric | Fothergill, Brian | Monograph or Collective Volume | Faber | 1974 |
| The moated sites of County Waterford | Barry, Terence B. | Article in Journal | | 1979 |
| The modern traveller to the early Irish Church | Hamlin, AnnHughes, Kathleen Winifred | Monograph or Collective Volume | SPCK | 1977 |
| The modernisation of Irish society, 1848-1918 | Lee, J.J. (John Joseph), 1942- | Monograph or Collective Volume | Gill & Macmillan | 1973 |
| The Modus tenendi parliamentum | Galbraith, Vivian Hunter | Article in Journal | | 1953 |
| The monasteries of Ireland : an introduction | Mould, D. D. C. P. | Monograph or Collective Volume | Batsford | 1976 |
| The monastery of Tallaght | | Article in Journal | | 1911 |
| The monastic institute | Ryan, John | Monograph or Collective Volume | Gill | 1972 |
| The monastic town in early medieval Ireland | Doherty, Charles | Article in Book | | 1985 |
| The monetary economy of the Irish sea province | Metcalf, D. M. | Article in Book | | 1992 |
| The money bill dispute of 1753 | O'Donovan, Declan | Article in Book | | 1979 |
| The Montgomery manuscripts; 1603-1706 | Montgomery, W. | Monograph or Collective Volume | | 1869 |
| The monuments of the pre-reformation archbishops of Dublin | Lawlor, H. J. (Hugh Jackson), 1860-1938 | Article in Journal | | 1917 |
| The Motivation of the Modern Irish Missionary Movement 1912-1939 | Hogan, Edmund M. | Article in Journal | | 1979 |
| The mottes of the Norman liberty of Meath | Graham, B. J. (Brian J.) | Article in Book | | 1980 |
| The MSS. in the British Museum | Flower, Robin Ernest William, 1881-1946 | Article in Journal | | 1938 |
| The muniments of Edmund de Mortimer, third earl of March, concerning his liberty of Trim | | Article in Journal | | 1932 |
| The Munster College petitions in 1838 | Gwynn, D. R. (Denis Rolleston), 1893-1972 | Article in Journal | | 1947 |
| The Munster plantation : problems and opportunities | Quinn, D. B. (David Beers) | Article in Journal | | 1966 |
| The Munster plantation era : rebellion, survey and land transfer in north county Kerry | O'Connor, P. J. | Article in Journal | | 1982 |
| The mural paintings and inscriptions at Knockmoy Abbey | Crawford, H. S. | Article in Journal | | 1919 |
| The murder of Richard Gernon, sheriff of Louth, 1311 | Smith, Brendan, 1963- | Article in Journal | | 1988 |
| The murder of Thomas Hanlon : a 19th-century Dublin labour conspiracy | D'Arcy, Fergus A., 1943- | Article in Journal | | 1971 |
| The Murray of Broughton estate, 1730 | | Article in Journal | | 1977 |
| The myth of "Route" Liberalism in county Antrim 1869-1900 | McMinn, R. | Article in Journal | | 1982 |
| The myth of a coinage of the Ostmen of Dublin in the name of Tymme Sjaellandsfar | Dolley, Michael | Article in Journal | | 1958 |
| The Nagles of Garnavilla | O'Connell, B. M. | Article in Journal | | 1956 |
| The narrow ground : aspects of Ulster, 1609-1969 | Stewart, Anthony Terence Quincey, 1929-2010 | Monograph or Collective Volume | Faber | 1977 |
| The national monuments of Ireland | Wheeler, Henry | Article in Journal | | 1986 |
| The National Register of Archives | Chart, D. A. | Article in Journal | | 1948 |
| The National Trades' Political Union and Daniel O'Connell, 1830-1848 | D'Arcy, Fergus A., 1943- | Article in Journal | | 1982 |
| The native Irish and English law in medieval Ireland | Otway-Ruthven, Annette Jocelyn, 1909-1989 | Article in Journal | | 1948 |
| The native schools of Ireland in the penal era | Cahill, Edward | Article in Journal | | 1940 |
| The nature of the medieval frontier in Ireland | Duffy, Patrick J. | Article in Journal | | 1983 |
| The navigation of Lough Erne | Rodgers, Mary | Article in Journal | | 1966 |
| The navy and civil war in Ireland, 1641-3 | Baumber, M. L. | Article in Journal | | 1971 |
| The new Poor Law in prefamine Ireland : a case study | O'Brien, Gerard | Article in Journal | | 1985 |
| The New town Act of 1748 : revision and reconstruction | Malcomson, A. P. W. (Anthony) | Article in Journal | | 1973 |
| The Newry navigation : the earliest inland canal in the British Isles | McCutcheon, W. A. | Article in Journal | | 1963 |
| The noblest agitator : Daniel O'Connell and the German Catholic movement, 1830-1850 | Grogan, Geraldine F. | Monograph or Collective Volume | | 1991 |
| The non-subscribing presbyterian Church of Ireland : its heritage and ethos | McClachlan, H. J. | Article in Journal | | 1982 |
| The Norman gift | O'Faolain, Sean | Article in Book | | 1947 |
| The Norman motte at Old Ross : method of construction | Colfer, WilliamCulleton, Edward | Article in Journal | | 1974 |
| The Norman period : 1150-1500 | Empey, C. A. (Adrian) | Article in Book | | 1985 |
| The Normans and their world | Lindsay, Jack | Monograph or Collective Volume | | 1973 |
| The Normans in Thomond | Westropp, Thomas Johnston | Article in Journal | | 1890 |
| The Normans in Tirowen and Tirconnell | Orpen, G. H. (Goddard Henry), 1852-1932 | Article in Journal | | 1915 |
| The northmen in Limerick | Bairead, F. | Article in Journal | | 1943 |
| The notes on non-Irish saints in the manuscripts of Félire O engusso | Hennig, John | Article in Journal | | 1975 |
| The Ó Cianáin miscellany | | Article in Journal | | 1969 |
| The O Clery book of genealogies | | Article in Journal | | 1951 |
| The Ó Dálaigh family of bardic poets, 1139-1691 | Doan, J. E. | Article in Journal | | 1985 |
| The O'Callaghans and the rebellion of 1641 | O'Callaghan, J. F. | Article in Journal | | 1990 |
| The O'Conor papers : a descriptive catalog and surname register of the materials at Clonalis House | | Monograph or Collective Volume | | 1977 |
| The O'Doyne (Ó Duinn) manuscript : documents relating to the family of O'Doyne (Ó Duinn) from Archbishop Marsh's Library, Dublin, MS Z.4.2.19 | | Monograph or Collective Volume | Stationery Office for the Irish Manuscripts Commission | 1983 |
| The O'Hanlon letter | McMahon, K. | Article in Journal | | 1980 |
| The O'Haras of Annaghmore c.1600-c.1800 : survival and revival | Bartlett, Thomas | Article in Journal | | 1982 |
| The O'Reillys of east Breifne and the problem of 'surrender and regrant' | Brady, Ciarán, 1952- | Article in Journal | | 1985 |
| The office and authority of a justice of the peace for Ireland, collected from the books of common law written on that subject as also from all the acts of parliament relating to that office, as well as those in force by Sir Edward Poynings' law as those made in this kingdom to the end of the second session of the late parliament | Dutton, Matthew | Monograph or Collective Volume | | 1721 |
| The offices of S. Finnian of Clonard and S. Cíanán of Duleek | Hughes, Kathleen Winifred | Article in Journal | | 1955 |
| The official Presbyterian Irish language policy in the 18th and 19th centuries | Fitzsimons, J. | Article in Journal | | 1949 |
| The Ogilvies of Boyne | Tayler, A. N.Tayler, Henrietta | Monograph or Collective Volume | | 1933 |
| The old and private banks and bankers of Munster. Pt. 1 : Bankers of Cork and Limerick cities | O'Kelly, Eoin | Monograph or Collective Volume | | 1959 |
| The Old English in Ireland, 1625-42 | Clarke, Aidan, 1933-2020 | Monograph or Collective Volume | Macgibbon & Kee | 1966 |
| The Old Irish life of St. Brigit | | Article in Journal | | 1939 |
| The oldest account of the raid of the Collas (circa A.D. 330) | | Article in Journal | | 1939 |
| The oldest fragments of the Senchas Már from MS. H.2.15 in the Library of Trinity College | | Monograph or Collective Volume | | 1931 |
| The oldest map of Dublin | Andrews, J. H. (John Harwood), 1927-2019 | Article in Journal | | 1983 |
| The olympian and the leprechaun : W.B. Yeats and James Stephens | Finneran, R. J. | Monograph or Collective Volume | | 1978 |
| The only gold coins issued in Ireland, 1646 | O'Sullivan, William, 1908-1992 | Article in Journal | | 1965 |
| The opening of the Vatican archives (1880-1881) and Irish historical research | Walsh, K. | Article in Journal | | 1981 |
| The opposition to the ecclesiastical legislation in the Irish reformation parliament | Bradshaw, Brendan, 1937-2017 | Article in Journal | | 1969 |
| The Orange Order in Ireland : a religious institution? | Roberts, D. A. | Article in Journal | | 1971 |
| The ordeal of O'Conor of Belanagare | Ward, C. C.Ward, R. E. | Article in Journal | | 1979 |
| The ordination of Dermot O'Hurley, 1581 | Millett, Benignus | Article in Journal | | 1983 |
| The Ordnance survey of Ireland | Madden, P. G. | Article in Journal | | 1962 |
| The organization of exchange in early Christian Ireland | Gerriets, Marilyn | Article in Journal | | 1981 |
| The origin and dating of Limerick's Irishtown | Hodkinson, Brian | Article in Journal | | 2009 |
| The origin of British field systems : an interpretation | Dodgshon, Robert A. | Monograph or Collective Volume | | 1980 |
| The origin of the Imperial Grand Black Chapter of the British Commonwealth | McClelland, Aiken | Article in Journal | | 1968 |
| The Origin of the Irish Brookes | Brooke, B. G. | Article in Journal | | 1962 |
| The original site of St Patrick's Cross, Cashel | Stalley, Roger | Article in Journal | | 1985 |
| The originality of the early Irish Church | Bethell, Denis L. T. | Article in Journal | | 1982 |
| The origins and character of the Kilkenny witchcraft case of 1324 | Neary, A. | Article in Journal | | 1983 |
| The origins and development of an Ulster urban network, 1600-1641 | Gillespie, Raymond, 1955-2024 | Article in Journal | | 1984 |
| The origins and transformation of early Irish republicanism | Elliott, Marianne | Article in Journal | | 1978 |
| The origins and transformation of early Irish republicanism | Elliott, Marianne | Article in Journal | | 1978 |
| The origins of Catholic nationalism | Corish, Patrick J. | Monograph or Collective Volume | Gill | 1968 |
| The Origins of Dublin | Wallace, Patrick (Patrick F.) | Article in Book | | 1982 |
| The origins of early Christian Ireland | Mytum, Harold C. | Monograph or Collective Volume | | 1992 |
| The origins of Irish Presbyterianism | Pearson, A. F. | Monograph or Collective Volume | | 1948 |
| The Origins of Popular Literacy in Ireland : Language Change and Educational Development 1700-1920 | | Monograph or Collective Volume | Trinity College Dublin Department of Modern Irish History | 1990 |
| The origins of Presbyterianism in Co. Antrim, 1600-60 | Pearson, A. F. S. | Article in Journal | | 1948 |
| The origins of the betagh | Mac Niocaill, Gearóid | Article in Journal | | 1966 |
| The origins of the court of castle chamber : a star chamber jurisdiction in Ireland | Crawford, J. G. | Article in Journal | | 1980 |
| The origins of the diocese of Clogher | Simms, Katharine | Article in Journal | | 1980 |
| The origins of the diocese of Waterford | Gwynn, Aubrey | Article in Journal | | 1942 |
| The Origins of the Free-standing Stone Cross in Ireland : Imitation or Innovation? | Edwards, Nancy | Article in Journal | | 1985 |
| The origins of the linen industry in North Armagh and the Lagan Valley | Crawford, J. H. | Article in Journal | | 1971 |
| The origins of the Orange order and the United Irishmen | Gibbon, Peter | Article in Journal | | 1972 |
| The other Clare : between unknown and well known : stages in the history of South Clare. 10 vols. | Shannon Archaeological and Historical Society | Monograph or Collective Volume | | 1977 |
| The overseas trade of Waterford as seen from a ledger of Courtenay and Ridgway | Cullen, L. M. (Louis Michael) | Article in Journal | | 1958 |
| The overthrow of the plantation of Munster in October 1598 | Sheehan, A. J. (Anthony J.) | Article in Journal | | 1982 |
| The Oxford illustrated history of Ireland | | Monograph or Collective Volume | Oxford University Press | 1989 |
| The Paine-Burke controversy in eighteeth-century Irish popular songs | Browne, R. B. | Article in Book | | 1964 |
| The painters of Ireland, c. 1600-1920 | Crookshank, AnneKnight of Glin, 1937-2011 | Monograph or Collective Volume | | 1978 |
| The palace of St Sepulchre | Holmes, Margaret | Article in Journal | | 1989 |
| The palace of St Sepulchre | Jackson, Victor | Article in Journal | | 1974 |
| The palatinate court of the liberty of Tipperary | Delany, V. T. H. | Article in Journal | | 1961 |
| The Pamphlet Campaign against Henry Grattan in 1797-1799 | Mahoney, R. | Article in Journal | | 1987 |
| The papacy and episcopal appointments in thirteenth-century Ireland | Watt, J. A. | Article in Journal | | 1959 |
| The papacy and Ireland in the fifteenth century | Watt, J. A. | Article in Book | | 1984 |
| The papers of the Dublin Philosophical Society, 1683-1708 : introductory material and index | Hoppen, K. Theodore, 1941- | Article in Journal | | 1982 |
| The parents of Oscar Wilde : Sir William and Lady Wilde | White, Terence De Vere | Monograph or Collective Volume | Hodder and Stoughton | 1967 |
| The parish of Athenry in 1434 | Sheehy, Maurice P. | Article in Journal | | 1964 |
| The parliamentary register, or history of the proceedings and debates of the house of commons of Ireland (1781-1800). 20 vols. | Anonymous | Monograph or Collective Volume | | 1784 |
| The Parnell split, 1890-1891 | Callanan, Frank | Monograph or Collective Volume | Cork University Press | 1992 |
| The Parnell tragedy | Abels, Jules | Monograph or Collective Volume | Macmillan | 1966 |
| The passing of the old order | Binchy, D. A. (Daniel Anthony), 1900-1989 | Article in Book | | 1962 |
| The Patrician texts in the Book of Armagh | | Monograph or Collective Volume | Institute for Advanced Studies | 1979 |
| The patriot parliament of 1689 | Farrell, Brian | Article in Book | | 1973 |
| The patriot parliament of 1689, with its statutes, roles and proceedings | Davis, Thomas OsborneDuffy, Charles Gavan, Sir | Monograph or Collective Volume | | 1893 |
| The pattern of Elizabethan coin-hoards from Ireland | Dolley, Michael | Article in Journal | | 1970 |
| The patterns of Kilmakilloge | Lyne, G. J. | Article in Journal | | 1989 |
| The peculiar case of Tarlagh O'Melaghlin, parish priest and lord of Clancolman | Cox, Liam, 1908-2003 | Article in Journal | | 1977 |
| The pedigree and succession of the house of Mac Carthy Mór, with a map | Butler, W. F. T. (William Francis Thomas), 1869-1930 | Article in Journal | | 1921 |
| The pedigree of Sir Boyle Roche, Bart. | Butler, T. Blake | Article in Journal | | 1951 |
| The Peerage of Ireland; or, a genealogical history of the present nobility of that kingdom, with their coats of arms. 7 vols. | Lodge, John | Monograph or Collective Volume | | 1789 |
| The penal laws | Connolly, Sean J. | Article in Book | | 1990 |
| The penal laws and Irish land | Arkins, T. | Article in Journal | | 1912 |
| The penal laws in Ireland, and the documents in the Archives of Propaganda, 1691-1731 | Creighton, Seamus | Article in Journal | | 1962 |
| The Penroses of Woodhill, Cork : an account of their property in the city | Read, Hugo | Article in Journal | | 1980 |
| The personality of Ireland : habitat, heritage and history. | Evans, E. Estyn (Emyr Estyn), 1905-1989 | Monograph or Collective Volume | Blackstaff Press | 1981 |
| The Phoenix conspiracy (contd.) | Ó Broin, León, 1902-1990 | Article in Journal | | 1980 |
| The Phoenix Park murders : conflict, compromise and tragedy in Ireland, 1879-82 | Corfe, Thomas Howell | Monograph or Collective Volume | Hodder and Stoughton | 1968 |
| The Phoenix Park murders, May 6th 1882 | Corfe, T. H. | Article in Journal | | 1961 |
| The physical world in seventh-century Hiberno-Latin texts | Smyth, Marina | Article in Journal | | 1986 |
| The pictorial history of the cathedral church of the Holy Trinity : Christ Church cathedral, Dublin | Crawford, M. V. | Monograph or Collective Volume | | 1967 |
| The place of Dublin in the eighteenth-century Irish economy | Dickson, David | Article in Book | | 1983 |
| The place of healing in early Irish society | Davies, Wendy, 1942- | Article in Book | | 1989 |
| The place-names of County Wicklow. 7 pts. | Price, Liam, 1891-1967 | Monograph or Collective Volume | | 1945 |
| The place-names of the books of survey and distribution and other records of the Cromwellian settlement | Price, Liam, 1891-1967 | Article in Journal | | 1951 |
| The place-names of Westmeath | Walsh, Paul, Revd, 1885-1941 | Monograph or Collective Volume | Institute for Advanced Studies | 1957 |
| The plan of campaign, 1886-1891 | Geary, Laurence M. | Monograph or Collective Volume | Cork University Press | 1986 |
| The plantation in Ulster in Strabane barony, co. Tyrone, c.1600-41 | Strabane Local History Group | Monograph or Collective Volume | | 1982 |
| The plantation of Leix and Offaly, 1556-1622 | Dunlop, Robert | Article in Journal | | 1891 |
| The plantation of Munster, 1584-1589 | Dunlop, Robert | Article in Journal | | 1888 |
| The plantations of Ulster | Clarke, Aidan, 1933-2020 | Article in Book | | 1986 |
| The plot against Fr. Nicholas Sheehy : the historical background | O'Connell, Philip | Article in Journal | | 1967 |
| The plundering and burning of churches in Ireland, 7th to 16th century | Lucas, A. T. | Article in Book | | 1967 |
| The Plunket family | Walsh, Paul, Revd, 1885-1941 | Article in Book | | 1937 |
| The poems of Giolla Brighde Mac Con Midhe | | Monograph or Collective Volume | | 1980 |
| The poets and poetry of Munster : A selection of Irish songs by poets of the last century, with poetical translations by the late James Clarence Mangan, now for the first time published with the original music and biographical sketches of the authors | | Monograph or Collective Volume | | 1849 |
| The police and protest in Dublin, 1786-1840 | Barry, Colm | Article in Book | | 1990 |
| The policies of the 'Old English' in parliament, 1640-1 | Clarke, Aidan, 1933-2020 | Article in Book | | 1965 |
| The policies of the 'Old English' in parliament, 1640-41 | Clarke, Aidan, 1933-2020 | Article in Book | | 1965 |
| The political structures of the defenders | Cullen, L. M. (Louis Michael) | Article in Book | | 1990 |
| The political thought of Charles Stewart Parnell | Claydon, Tony | Article in Book | | 1991 |
| The Political, Commercial and Civil state of Ireland. Being an appendix to "Union or separation" [by the Revd. Josiah Tucker] | Clarke, T. B. | Monograph or Collective Volume | | 1799 |
| The politicization of the Irish Catholic bishops, 1800-1850 | MacDonagh, Oliver | Article in Journal | | 1975 |
| The politics of "natural right" : the Abercorn family and the Strabane borough, 1692-1800 | Malcomson, A. P. W. (Anthony) | Article in Book | | 1977 |
| The politics of frustration : Harry Midgley and the failure of Labour in Northern Ireland | Walker, G. S. | Monograph or Collective Volume | Manchester University Press | 1985 |
| The politics of Irish literature from Thomas Davis to W. Yeats | Brown, Malcolm Johnston, 1910- | Monograph or Collective Volume | Allen & Unwin | 1972 |
| The politics of Irish social policy, 1600-1990 | Powell, F. W. | Monograph or Collective Volume | Edwin Mellen Press | 1992 |
| The politics of Munster protestants, 1641-9 | Murphy, John A. | Article in Journal | | 1971 |
| The politics of privilege : Dublin corporation and the catholic question, 1792-1823 | Hill, Jacqueline R. | Article in Journal | | 1982 |
| The politics of repeal : a study of the relations between Great Britain and Ireland, 1841-50 | Nowlan, Kevin B. | Monograph or Collective Volume | Routledge & Kegan Paul | 1965 |
| The Poor Law during the Great Famine : an administration in crisis | Kinealy, Christine | Article in Book | | 1989 |
| The poor law, emigration and the Irish question, 1830-55 | MacDonagh, Oliver | Article in Journal | | 1958 |
| The popular Reformation comes to Ireland : the case of John Walker and the foundation of the Church of God, 1804 | Liechty, Joseph | Article in Book | | 1990 |
| The population of the plantation of Munster : Quinn reconsidered | Sheehan, A. J. (Anthony J.) | Article in Journal | | 1982 |
| The post-Brunanburh Viking coinage of York with some remarks on the Viking coinages which preceded the same | Dolley, Michael | Article in Journal | | 1957 |
| The Powell family, printers in Dublin in the eighteenth century | McDix, E. R. | Article in Journal | | 1923 |
| The practice of religious controversy in Dublin, 1600-1641 | Gaffney, Declan | Article in Book | | 1989 |
| The pre-Norman genealogies | McNeill, J. | Article in Journal | | 1968 |
| The presbyterian church in Ireland and the Government of Ireland Act (1920) | Barkley, John M. | Article in Book | | 1975 |
| The Presbyterian church in Ireland, 2. | Barkley, John M. | Article in Journal | | 1967 |
| The Presbyterian revolution in Ulster, 1660-1690 | Gillespie, Raymond, 1955-2024 | Article in Book | | 1989 |
| The present state of the Church of Ireland | Woodward, Richard | Monograph or Collective Volume | | 1787 |
| The Preston exemplification of the Modus tenendi parliamentum | Richardson, Henry Gerald | Article in Journal | | 1942 |
| The priest and the Mass in Irish place-names | Mac Aodha, Breandán S. | Article in Journal | | 1992 |
| The priests and Young Ireland in 1848 | Gwynn, D. R. (Denis Rolleston), 1893-1972 | Article in Journal | | 1948 |
| The Prince of Orange and the earl of Tyrone | Morrissey, Thomas J. | Article in Journal | | 1960 |
| The principles and law of tithing | Plowden, Francis, 1749-1829 | Monograph or Collective Volume | | 1806 |
| The Printed Word and the Common Man : Popular culture in Ulster 1700-1900 | Adams, J. R. R. | Monograph or Collective Volume | Institute of Irish Studies, Queen's University Belfast | 1987 |
| The printer's copy of the MS of William Molyneux, 'The case of Ireland's being bound by acts of parliament in England, stated' 1698 | Kelly, Patrick | Article in Journal | | 1979 |
| The private estate of James II | Kingston, John | Article in Journal | | 1960 |
| The protestant crusade in Ireland, 1800-70 : a study of protestant-catholic relations between the Act of Union and Disestablishment | Bowen, Desmond | Monograph or Collective Volume | Gill & Macmillan | 1978 |
| The Protestant Gaelic tradition in Ulster | Collins, Peter | Article in Book | Gael Linn | 2015 |
| The Protestant Reformation in Ireland | Ford, Alan, 1956- | Article in Book | | 1986 |
| The Protestant working class and the state in Northern Ireland since 1930 : a problematic relationship | McAuley, James WhiteMcCormack, P. J. | Article in Book | | 1991 |
| The psalter of Cashel : a provisional list of contents | Ó Riain, Pádraig, 1939- | Article in Journal | | 1989 |
| The Public Record Office of Northern Ireland | Darwin, Kenneth | Article in Journal | | 1963 |
| The publication of fiction in Britain and Ireland, 1750-1770 | Raven, James, 1959- | Article in Journal | | 1988 |
| The purpose of Adomnán's Vita Columbae | Picard, Jean-Michel | Article in Journal | | 1982 |
| The pursuit of Robert Emmet | Landreth, Helen | Monograph or Collective Volume | McGraw-Hill | 1948 |
| The Queen's Royal Theatre Dublin : 1829-1969 | De Burca, S. | Monograph or Collective Volume | The author | 1983 |
| The Queen's University of Belfast, Department of Geography : Jubilee 1928-1978 : Geography at Queen's : an historical survey | Campbell, J. A.Evans, E. Estyn (Emyr Estyn), 1905-1989Kirk, W. | Monograph or Collective Volume | | 1978 |
| The querist ... 3 pts. | Berkeley, George | Monograph or Collective Volume | | 1735 |
| The question of religious conformity and nonconformity in the Irish refuge | Pittion, Jean-Paul | Article in Book | | 1987 |
| The radical conservatism of Swift's Irish pamphlets | Nokes, D. | Article in Journal | | 1984 |
| The rath in Hillsborough Fort, County Down | Gaskell Brown, B. N. F.Gaskell Brown, Cynthia | Article in Journal | | 1978 |
| The Rawdon papers, consisting of letters on various subjects, literary, political, and ecclesiastical, to and from Dr John Bramhall, Primate of Ireland | | Monograph or Collective Volume | | 1819 |
| The re-emergence of English policy as a major factor in Irish affairs, 1520-34 | Quinn, D. B. (David Beers) | Article in Book | | 1987 |
| The rebellion of 1798 in Meath | Ó Loingsigh, Seámus | Article in Journal | | 1971 |
| The rebellion of Sir Cahir O'Doherty and its legal aftermath | Harris, F. W. | Article in Journal | | 1980 |
| The rebellion of William Nugent, 1581 | Walshe, H. C. | Article in Book | | 1990 |
| The rebellious first earl of Desmond | Sayles, George Osborne | Article in Book | | 1961 |
| The rebels | O'Faolain, Sean | Article in Book | | 1947 |
| The rebuilding of Dublin castle : thirty critical years, 1661-1690 | Loeber, Rolf | Article in Journal | | 1980 |
| The reception of German literature in Ireland, 1750-1850 | O'Neill, P. | Article in Journal | | 1978 |
| The reclaiming and cultivation of bog in the county of Kildare, by Wentworth Thewles, Esq; viewed and examined ... by desire of the Dublin Society ... | Baker, J. W. | Monograph or Collective Volume | | 1771 |
| The reconstruction of Irish external trade statistics for the nineteenth century | Solar, Peter M. | Article in Journal | | 1985 |
| The records of the archbishops of Armagh, being an indexed catalogue of manuscripts, documents and books in the Archiepiscopal Registry of Armagh | Love, H. W. | Monograph or Collective Volume | Dundealgan Press | 1965 |
| The records of the Dublin guild of merchants, known as the Gild of the Holy Trinity, 1438-1671 | Berry, H. F. | Article in Journal | | 1900 |
| The records of the Forfeited Estates Commission | Barlow, D. | Monograph or Collective Volume | | 1968 |
| The recruitment and organisation of the Scottish army in Ulster, 1642-9 | Hazlett, Hugh | Article in Book | | 1949 |
| The recusancy revolt of 1603 : a reinterpretation | Sheehan, A. J. (Anthony J.) | Article in Journal | | 1983 |
| The Red Book of Ormond. From the fourteenth-century original preserved at Kilkenny castle, with missing portions supplied from ihe fifteenth-century transcript in the Bodleian Library | | Monograph or Collective Volume | The Stationery Office [for the Irish Manuscripts Commission] | 1932 |
| The Red Book of Ossory | Rigg, A. G. | Article in Journal | | 1977 |
| The red coat and the green | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Journal | | 1948 |
| The rediscovery of Ireland's past : the Celtic revival, 1830-1930 | Sheehy, J. | Monograph or Collective Volume | Thames & Hudson | 1980 |
| The Reformation and the Irish episcopate. | Lawlor, H. J. (Hugh Jackson), 1860-1938 | Monograph or Collective Volume | | 1932 |
| The reformation bishops of the diocese of Waterford and Lismore | Cowman, Des | Article in Journal | | 1984 |
| The Reformation in Ireland : a study of ecclesiastical legislation | Holloway, Henry | Monograph or Collective Volume | | 1919 |
| The Reformation in Ireland revisited | Bottigheimer, Karl S. | Article in Journal | | 1976 |
| The reformation in the cities : Cork, Limerick and Galway : 1534-1603 | Bradshaw, Brendan, 1937-2017 | Article in Book | | 1988 |
| The regiment of Dillon of the Irish Brigade in the French Service | Steele, R. V. | Article in Journal | | 1957 |
| The regiment of Walter Bourke | Murtagh, Diarmuid | Article in Journal | | 1949 |
| The Regional Impact of Irish Catholicism 1700-1850 | Whelan, Kevin | Article in Book | | 1988 |
| The register of Clogher | | Article in Journal | | 1969 |
| The register of Derry cathedral (S. Columb's), parish of Templemore, Londonderry ... 1642-1703 | | Monograph or Collective Volume | | 1910 |
| The register of the union of Monkstown, Co. Dublin | | Monograph or Collective Volume | | 1908 |
| The registers of Waterford cathedral, 1655-1706 | Morris, H. P. | Article in Journal | | 1982 |
| The registration of the clergy in 1704 | Ó Fiaich, Tomás | Article in Journal | | 1971 |
| The registrum novum : a manuscript of Holy Trinity cathedral : the medieval charters | | Article in Journal | | 1964 |
| The regnal succession in Ciarraighe Luachra | Ó Corráin, Donnchadh | Article in Journal | | 1968 |
| The regulation of the admission of attorneys and solicitors in Ireland, 1600-1866 | Osborough, W. N. (William Nial) | Article in Book | | 1990 |
| The reign of Edward VI in Ireland : some political, social, and economic aspects | White, D. G. | Article in Journal | | 1965 |
| The reindeer of Ireland | Mitchell, G. F. (George Francis), 1912-1997 | Article in Journal | | 1940 |
| The relations between Church and State in the age of emancipation | Nowlan, Kevin B. | Article in Journal | | 1961 |
| The relations of Henry VII with Scotland and Ireland (1485-1497), illustrated from episodes in the life of Sir Henry Wyatt (1460?-1537) | Conway, Agnes Ethel | Article in Journal | | 1928 |
| The relations of the Catholic Church and the state in England and Ireland, 1800-52 | Roche, K. F. | Article in Book | | 1961 |
| The relationship of mother and son, of father and daughter, and the law of inheritance with regard to women | Dillon, Myles | Article in Book | | 1936 |
| The relief of Derry : Browning and the boom, its making and breaking | Milligan, C. D. (Cecil Davis) | Monograph or Collective Volume | | 1946 |
| The Religious Factor in the 1798 Rebellion in Wexford | Whelan, Kevin | Article in Book | | 1987 |
| The remains of Irish monastic libraries | Gougaud, Louis | Article in Book | | 1940 |
| The remonstrance of the Irish princes and the canon law tradition of the just war | Muldoon, James | Article in Journal | | 1978 |
| The Renaissance fortifications at Dunboy castle, 1602 : a report of the 1989 excavations | Klingelhöfer, E. | Article in Journal | | 1992 |
| The reorganisation of the Irish church, 1603-41 | Corish, Patrick J. | Article in Journal | | 1957 |
| The repatriation of Irish vagrants from Cheshire, 1750-1815 | Place, G. W. | Article in Journal | | 1986 |
| The report of a trial for conspiracy ... held in and for the city of Dublin ... February, 1796 | Ridgeway, William | Monograph or Collective Volume | | 1796 |
| The republican tradition in the British Empire and the Commonwealth | Dorland, A. G. | Article in Journal | | 1950 |
| The request of the Irish for English law, 1277-80 | | Article in Journal | | 1949 |
| The response of the medical profession to the Great Famine | Froggatt, Peter | Article in Book | | 1989 |
| The Restless Dominion : The Irish Free State and the British Commonwealth of Nations, 1921-31 | Harkness, D. W. | Monograph or Collective Volume | Gill & Macmillan | 1969 |
| The Restoration and the Jacobite War (1660-91) | Simms, J. G. (John Gerald) | Article in Book | | 1967 |
| The reviser of Leabhor na hUidre | Ó Concheanainn, Tomás | Article in Journal | | 1973 |
| The revolt of Silken Thomas : a challenge to Henry VIII | McCorristine, Laurence | Monograph or Collective Volume | Wolfhound Press | 1987 |
| The revolt of the Tenantry : the transformation of local government in Ireland, 1872-1886 | Feingold, W. L. | Monograph or Collective Volume | Northeastern University Press | 1984 |
| The Revolution in Ireland, 1879-1923 | | Monograph or Collective Volume | Macmillan | 1988 |
| The Revolutions of 1688 | | Monograph or Collective Volume | | 1991 |
| The Rice monument in Waterford cathedral | Rae, E. C. | Article in Journal | | 1970 |
| The riddle of Goldsmith's ancestry | Murray, Patrick | Article in Journal | | 1974 |
| The rights and duties of women with regard to the education of their children | Mulchrone, Kathleen | Article in Book | | 1936 |
| The rise and fall of the Belfast cotton industry | Monaghan, J. J. | Article in Journal | | 1942 |
| The rise and fall of the Irish nation | Barrington, Jonah, Sir | Monograph or Collective Volume | | 1833 |
| The rise of a catholic middle class in eighteenth-century Ireland | Wall, Maureen (née Mac Geehin) | Article in Journal | | 1958 |
| The rise of protection and the English linen trade, 1690-1780 | Harte, N. B. | Article in Book | | 1973 |
| The rise of recusancy among the Dublin patricians, 1580-1613 | Lennon, Colm | Article in Book | | 1989 |
| The rise of the Dál Cais | Kelleher, J. V. | Article in Book | | 1967 |
| The rise of the Irish working class : the Dublin trade union movement and labour leadership, 1890-1914 | Keogh, Dermot | Monograph or Collective Volume | | 1982 |
| the rise of the later schools of filidheacht | Mac Cana, Proinsias | Article in Journal | | 1974 |
| The rise of the yeomanry | Morton, R. G. | Article in Journal | | 1967 |
| The rising of 1848 | Gwynn, D. R. (Denis Rolleston), 1893-1972 | Article in Journal | | 1948 |
| The ritual killing of the Irish kings | Dalton, G. F. | Article in Journal | | 1970 |
| The rivalry of the cathedral chapters in medieval Dublin | Hand, Geoffrey Joseph | Article in Journal | | 1962 |
| The rivals of C.S. Parnell | Jackson, Alvin | Article in Book | | 1991 |
| The road of excess | White, Terence De Vere | Monograph or Collective Volume | | 1946 |
| The Road to the View : On the Decline of Reform Thought in Tudor Ireland | Brady, Ciarán, 1952- | Article in Book | | 1989 |
| The road-books and itineraries of Ireland, 1647-1850 | Fordham, H. G., Sir | Article in Journal | | 1923 |
| The Roches, Lords of Fermoy : the history of a Norman-Irish family | Donnelly, Eithne | Article in Journal | | 1937 |
| The role of Ireland in French war strategy, 1796-1798 | Elliott, Marianne | Article in Book | | 1990 |
| The role of the Caldwell family in the Williamite defence of the Erne and Donegal, 1689-90 | Cunningham, John B. 1944- | Article in Journal | | 1978 |
| The Role of the Catholic Priest in the 1798 Rebellion in County Wexford | Whelan, Kevin | Article in Book | | 1987 |
| The role of town-plan analysis in the study of the medieval Irish town | Bradley, John, 1954-2014 | Article in Book | | 1990 |
| The Roman Catholic Church and the creation of the modern Irish state, 1878-1886 | Larkin, Emmet, 1927-2012 | Monograph or Collective Volume | | 1975 |
| The Roman Catholic church and the Home Rule movement in Ireland, 1870-1874 | Larkin, Emmet, 1927-2012 | Monograph or Collective Volume | University of North Carolina Press | 1990 |
| The Roman Catholic church and the Home Rule movement in Ireland, 1870-1874 | Larkin, Emmet, 1927-2012 | Monograph or Collective Volume | Gill & Macmillan | 1990 |
| The Roman Catholic Church and the Nineteenth Century Irish Diaspora | Gilley, Sheridan | Article in Journal | | 1984 |
| The Roman Catholic church and the nineteenth century Irish diaspora | Gilley, Sheridan | Article in Journal | | 1984 |
| The Roman Catholic Church and the Plan of Campaign in Ireland, 1886-1888 | Larkin, Emmet, 1927-2012 | Monograph or Collective Volume | Cork University Press | 1978 |
| The Roman Catholic Church in Ireland 1800-1922 : A survey of recent historiography | Silke, John J. | Article in Journal | | 1975 |
| The Romanesque sculpture of Tuam | Stalley, Roger | Article in Book | | 1981 |
| The romanesque sculptures of Ardmore Cathedral, Co. Waterford | McNab, S. L. | Article in Journal | | 1988 |
| The romanization of Ireland in the fifth century | Laing, Lloyd | Article in Journal | | 1985 |
| The roots of English colonialism in Ireland | Montano, John Patrick | Monograph or Collective Volume | Cambridge University Press | 2011 |
| The Rotunda hospital, 1745-1945 | Browne, O'D. T. D. | Monograph or Collective Volume | Livingstone | 1947 |
| The Rotunda Hospital, its architects and craftsmen | Curran, C. P. | Monograph or Collective Volume | Three Candles | 1945 |
| The Round Table Movement and 'Home Rule all Round'. | Kendle, J. E. | Article in Journal | | 1968 |
| The royal charters of Waterford | Walton, J. C. | Monograph or Collective Volume | | 1992 |
| The Royal College of Science for Ireland, 1867-1926 | Kelham, B. B. | Article in Journal | | 1967 |
| The Royal College of Surgeons in Ireland | MacGowan, W. A. L. | Article in Journal | | 1973 |
| The Royal College of Surgeons in Ireland : 1784-1984 | O'Brien, E. | Monograph or Collective Volume | Eason | 1983 |
| The Royal College of Surgeons in Ireland and its medical school 1784-1984. | Widdess, J. D. H. | Monograph or Collective Volume | Royal College of Surgeons in Ireland | 1982 |
| The Royal College of Surgeons in Ireland and its medical school, 1784-1966. | Widdess, J. D. H. | Monograph or Collective Volume | | 1967 |
| The Royal Cork Institution : a reflection of the cultural life of a city | Pettit, S. F. | Article in Journal | | 1976 |
| The Royal Dublin Society and the advancement of popular science in Ireland, 1731-1860 | Byrne, K. R. | Article in Journal | | 1986 |
| The Royal Hospital at Kilmainham, and its architect | Strickland, W. G. | Article in Journal | | 1923 |
| The Royal Irish Academy : a bicentennial history 1785-1985 | | Monograph or Collective Volume | Royal Irish Academy | 1985 |
| The Royal Irish Fusiliers, 1793-1950 | Cunliffe, Marcus Falkner, 1922-1990 | Monograph or Collective Volume | Oxford University Press | 1952 |
| The Royal Navy and the Curragh incident | Beckett, Ian Frederick WilliamJeffery, Keith | Article in Journal | | 1989 |
| The Royal Society and Ireland, 2 | Hoppen, K. Theodore, 1941- | Article in Journal | | 1965 |
| The Royal Society and Ireland, [1] : William Molyneux, F.R.S., 1656-98 | Hoppen, K. Theodore, 1941- | Article in Journal | | 1963 |
| The royal supremacy and ecclesiastical revolution, 1534-47 | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Book | | 1976 |
| The royal visitation of Dublin, 1615 | | Article in Journal | | 1941 |
| The Royalist collapse in Munster, 1650-2 | McCarthy, W. P. | Article in Journal | | 1963 |
| The rule of St. Patrick | | Article in Journal | | 1904 |
| The Rule of Tallaght | | Article in Journal | | 1927 |
| The rules and practice of the high ... court of chancery in Ireland, with the several statutes relative thereto ... | Howard, G. E. | Monograph or Collective Volume | | 1772 |
| The sacred and the secular : the Augustinian priory of Kells in Ossory, 1193-1541 | Empey, C. A. (Adrian) | Article in Journal | | 1984 |
| The sacred tenth | Quigley, E. J. | Article in Journal | | 1934 |
| The saint as seer : Adomnán's account of Columba | MacQueen, John | Article in Book | | 1989 |
| The saints and their amanuenses : early models and later issues | Ó Riain, Pádraig, 1939- | Article in Book | | 1989 |
| The satellite state in the seventeenth and eighteenth centuries | | Monograph or Collective Volume | | 1979 |
| The satire of Swift | Davis, Herbert | Monograph or Collective Volume | Macmillan | 1947 |
| The Scandinavian kingdom of Dublin. Introduction by Breandán Ó Ríordán. | Haliday, Charles | Monograph or Collective Volume | Irish University Press | 1969 |
| The scapegoat and the opportunist : two figures from seventeenth-century Clare | Ó Murchadha, Ciarán | Article in Journal | | 1986 |
| The School of Ornament of the Dublin Society in the 18th century | Turpin, John | Article in Journal | | 1986 |
| The schools of the Baptist Irish Society | Rusling, G. W. | Article in Journal | | 1968 |
| The Schools of the Baptist Irish society | Rusling, G. W. | Article in Journal | | 1968 |
| The scientific investigation of the failure of the potato crop in Ireland | O'Neill, Thomas Patrick | Article in Journal | | 1946 |
| The Scotch settlement of County Fermanagh, 1610-1630 | Johnston, J. I. D. | Article in Journal | | 1978 |
| The Scotch-Irish in northern Ireland and in the American colonies | Glasgow, Maude | Monograph or Collective Volume | Putnam | 1936 |
| The Scots element in north Irish popular culture | Gailey, Alan | Article in Journal | | 1975 |
| The Scots in Ulster : their denization and naturalization, 1605 to 1634. 3 pts. | Stewart, David | Monograph or Collective Volume | Presbyterian Historical Society of Ireland | 1952 |
| The Scots Kirk in Ulster | Arnold, J. C. | Article in Journal | | 1960 |
| The Scots language in seventeenth-century Ulster | Robinson, Philip S. | Article in Journal | | 1989 |
| The Scots of Dalriada | Bannerman, John | Article in Book | | 1971 |
| The Scottish and Irish linen industry compared 1780-1860 | Durie, Alastair J.Solar, Peter M. | Article in Book | | 1988 |
| The scribe of the Leabhar Breac | Ó Concheanainn, Tomás | Article in Journal | | 1973 |
| The Scully diary, 1776-1814 | | Article in Journal | | 1948 |
| The sculpture of the cloister of Jerpoint abbey | Rae, E. C. | Article in Journal | | 1966 |
| The sea-fishing industry in co. Down and its Scottish connections 1860-1939 | Pollock, Vivienne | Article in Book | | 1988 |
| The Seceders in Ireland with Annals of their Congregations | Stewart, David | Monograph or Collective Volume | Presbyterian Historical Society of Ireland | 1950 |
| The secret history of the last two memorable s[e]ss[i]ons of parliament | Anonymous | Monograph or Collective Volume | | 1754 |
| The secret mission to Ireland of Captain Bernard MacSheehy, an Irishman in French service, 1796 | Woods, C. J. (Christopher John) | Article in Journal | | 1973 |
| The secret service vote and Ireland, 1868-1922 | O'Halpin, Eunan, 1954- | Article in Journal | | 1983 |
| The sequence and chronology of the 'portrait' Anglo-Irish groats of Henry VII | Dolley, Michael | Article in Journal | | 1969 |
| The settlement of church discipline among Irish Friends, with special reference to George Fox's visit, 1669 | Grubb, Isobel | Article in Journal | | 1953 |
| The settlement of Imokilly and the formation and descent of the manor of Inchiquin, Co. Cork | O'Brien, A. F. | Article in Journal | | 1982 |
| The settlement of Palatines in Ireland, 1709-15 | Schummacher, G. W. | Article in Journal | | 1948 |
| The settlement of the kingdom of Limerick | Empey, C. A. (Adrian) | Article in Book | | 1981 |
| The settler population of an Ulster plantation county | Hunter, R. J. (Robert J.) | Article in Journal | | 1972 |
| The seventeenth-century tokens of County Louth | Rice, Gerard | Article in Journal | | 1986 |
| The Shannonbridge fortifications | Kerrigan, P. M. | Article in Journal | | 1974 |
| The Shapland Carew papers | | Monograph or Collective Volume | The Stationery Office | 1946 |
| The shifting frontier : medieval moated sites in Counties Cork and Limerick | Barry, Terence B. | Article in Book | | 1981 |
| The shining life and death of Lord Edward Fitzgerald | Lindsey, J. | Monograph or Collective Volume | | 1949 |
| The siege and surrender of Galway, 1651-1652 | Duffy, E. P. | Article in Journal | | 1983 |
| The siege of Athlone, 1690 | Murtagh, Harman | Article in Journal | | 1971 |
| The siege of Athlone, 1691 | Murtagh, Harman | Article in Journal | | 1973 |
| The siege of Athlone. | Murtagh, Diarmuid | Article in Journal | | 1953 |
| The siege of Derry | Macrory, Patrick | Monograph or Collective Volume | | 1988 |
| The siege of Derry | Macrory, Patrick | Monograph or Collective Volume | Hodder and Stoughton | 1980 |
| The siege of Derry (1689) | Simms, J. G. (John Gerald) | Article in Journal | | 1963 |
| The siege of Kinsale, 1690 : the Danish report | Jordan, John | Article in Journal | | 1955 |
| The sieges of Athlone, 1690 and 1691 | Murtagh, Harman | Monograph or Collective Volume | | 1973 |
| The Sign of Doctor Hay's Head : being some account of the hazards and fortunes of Catholic printers and publishers in Dublin from the later penal times to the present day | Wall, Thomas | Monograph or Collective Volume | | 1958 |
| The sign of Dr Hay's head | Wall, Thomas | Monograph or Collective Volume | | 1958 |
| The significance of landed estates in Ulster, 1600-1820 | Crawford, W. H. (William Henry), 1932-2014 | Article in Journal | | 1990 |
| The Sir Mathew de Renzi memorial in Athlone | English, Norman William | Article in Journal | | 1978 |
| The sister's son in early Irish literature | Ó Cathasaigh, Tomás | Article in Journal | | 1986 |
| The Sisters of Mercy in the Crimean war | Bolster, Evelyn | Monograph or Collective Volume | Mercier Press | 1965 |
| The slave trade of Dublin, IXth to XIIIth century | Holm, Poul | Article in Journal | | 1989 |
| The small towns of Ulster, 1600-1700 | Gillespie, Raymond, 1955-2024 | Article in Journal | | 1990 |
| The so-called Cothrige and Pátraic strata of Latin loan-words in early Irish | McManus, Damian | Article in Book | | 1984 |
| The social and cultural background of a Counter-Reformation episcopate 1618-60 | Cregan, Donal F. | Article in Book | | 1979 |
| The social and cultural modernisation of rural Ireland, 1600-1900 | Cullen, L. M. (Louis Michael) | Article in Book | | 1980 |
| The social and economic evolution of Kilkenny in the seventeenth and eighteenth centuries | Cullen, L. M. (Louis Michael) | Article in Book | | 1990 |
| The social state of the southern and eastern counties of Ireland in the sixteenth century : being the presentments of the gentlemen, commonalty and citizens of Carlow, Cork, Kilkenny, Tipperary, Waterford, and Wexford, made in the reigns of Henry VIII and Elizabeth | Graves, J.Hore, H. F. | Monograph or Collective Volume | | 1870 |
| The social structure of Ulster in the eighteenth century | Crawford, W. H. (William Henry), 1932-2014 | Article in Book | | 1980 |
| The Society of Friends and the Great Famine | O'Neill, Thomas Patrick | Article in Journal | | 1950 |
| The sorrows and glories of Ireland. A series of papers pertaining to Irish history and culture | Skelly, A. M. | Monograph or Collective Volume | | 1935 |
| The sounds of a silence : the growth of Cormac's glossary | Russell, P. | Article in Journal | | 1988 |
| The soup kitchens | Donnelly, James S., Jr | Article in Book | | 1989 |
| The sources of clerical income in the Tudor diocese of Dublin, c.1530-1600 | Murray, James | Article in Journal | | 1991 |
| The sources of the martyrological tradition of non-Irish saints in medieval Ireland | Hennig, John | Article in Journal | | 1972 |
| The sources to the preface to the Tigernach annals | Macalister, R. A. Stewart (Robert Alexander Stewart), 1870-1950 | Article in Journal | | 1944 |
| The South Cross, Clonmacnois (with an appendix on the incidence of vine-scroll on Irish sculpture) | Edwards, Nancy | Article in Book | | 1986 |
| The spirit of the age : the story of Old Bushmills | McCreary, A. | Monograph or Collective Volume | Old Bushmills Distillery | 1983 |
| The spirituality of St. Patrick's 'Confession' | Kinsella, Nivard | Article in Journal | | 1959 |
| The state and religious education in Great Britain and Ireland | Ikin, A. E. | Article in Journal | | 1940 |
| The state of Ireland : to which are added his address to the electors of the county of Antrim | O'Connor, Arthur | Monograph or Collective Volume | | 1798 |
| The state of the borough representation of Ireland, 1783 | Grattan, Henry | Article in Book | | 1836 |
| The status of Coarb and Erenach | Barry, J. G. | Article in Journal | | 1960 |
| The status of coarbs and erenaghs | Barry, J. G. | Article in Journal | | 1960 |
| The status of the native Irish after 1331 | Murphy, Bryan | Article in Journal | | 1967 |
| The Status of the native Irish in the lordship of Ireland, 1272-1331 | Hand, Geoffrey Joseph | Article in Journal | | 1966 |
| The stock exchanges of Ireland | Thomas, W. A. | Monograph or Collective Volume | Francis Cairns | 1986 |
| The stone castles of northern county Antrim | McNeill, T. E. | Article in Journal | | 1984 |
| The story of Ireland | Inglis, Brian | Monograph or Collective Volume | Faber | 1956 |
| The story of Killure, Fohenagh and Kilgerill parish over a period of almost 200 years | MacLochlainn, T. | Monograph or Collective Volume | | 1975 |
| The story of Murray's part in the defence of Derry in 1689 | Milligan, C. D. (Cecil Davis) | Article in Book | | 1947 |
| The story of the Damer gold | Hone, Joseph Maunsell, 1882-1959 | Article in Journal | | 1950 |
| The story of the finding of Cashel | Dillon, Myles | Article in Journal | | 1952 |
| The Stowe version of Táin Bó Cualinge | | Monograph or Collective Volume | | 1961 |
| The Strafford inquisition of County Mayo (R.I.A. Ms. 24 E 15) | | Monograph or Collective Volume | Irish Manuscripts Commission | 1958 |
| The stranding of the S.S. Great Britain in Dundrum Bay | Corlett, E. C. B. | Article in Journal | | 1975 |
| The strange career of William de la Poer Beresford | Bolton, G. C. (Geoffrey Curgenven) | Article in Book | | 1991 |
| The strange case of Bishop John Atherton | Winnett, Robert | Article in Journal | | 1988 |
| The strange case of the drunken bishop : a reformation mystery solved | Daniel, T. K. | Article in Journal | | 1980 |
| The strange death of Guaire mac Áedáin | Picard, Jean-Michel | Article in Book | | 1989 |
| The strange death of the Irish language, 1780-1800 | O'Brien, Gerard | Article in Book | | 1989 |
| The strange letters of Mathew O'Hartegan, S.J., 1644-45 | Morrissey, Thomas J. | Article in Journal | | 1970 |
| The stranger in Ireland : from the reign of Elizabeth to the Great Famine | Maxwell, C. E. | Monograph or Collective Volume | | 1954 |
| The stranger in Ireland : from the reign of Elizabeth to the Great Famine | Maxwell, C. E. | Monograph or Collective Volume | Cape | 1954 |
| The structure of a literary cycle | Ó Coileáin, Seán | Article in Journal | | 1974 |
| The structure of politics and power : County Carlow in the last quarter of the eighteenth century | Duggan, Maura | Article in Journal | | 1971 |
| The struggle for control of Dundalk borough, 1782-92 | Malcomson, A. P. W. (Anthony) | Article in Journal | | 1969 |
| The Struggle for Ireland's Public Commons | Andrews, J. H. (John Harwood), 1927-2019 | Article in Book | | 1987 |
| The struggle for Ireland, 400 A.D.-1450 A.D | Bardon, Jonathan, 1941- | Monograph or Collective Volume | | 1970 |
| The Stuart nomination of Irish bishops, 1687-1765 | Giblin, Cathaldus | Article in Journal | | 1965 |
| The student Oliver | Curran, M. J. | Article in Book | | 1937 |
| The study of early church architecture in Ireland : an Anglo-Saxon viewpoint, with an appendix on documentary evidence for round towers | Hamlin, AnnHare, Michael | Article in Book | | 1986 |
| The study of early Irish churches | Hamlin, Ann | Article in Book | | 1984 |
| The study of family history in Ireland | Barry, J. G. | Monograph or Collective Volume | National University of Ireland | 1967 |
| The style and authorship of the Kildare poems, 1 : Pers of Bermingham | Benskin, Michael | Article in Book | | 1989 |
| The submission of Irish kings in fact and fiction : Henry II, Bendigeidfran, and the dating of The Four Branches of the Mabinogi | Sims-Williams, Patrick | Article in Journal | | 1991 |
| The subsidy roll of county Waterford 1662 | Walton, J. C. | Article in Journal | | 1982 |
| The support of the Catholic clergy in Ireland, 1750-1850 | Murphy, John A. | Article in Book | | 1965 |
| The Surgeon Probationers | Allison, R. S. | Monograph or Collective Volume | | 1979 |
| The surnames of Ireland. | MacLysaght, Edward | Monograph or Collective Volume | | 1985 |
| The surrender of Limerick, 1691 | Simms, J. G. (John Gerald) | Article in Journal | | 1954 |
| The Sutton Hoo ship burial and Ireland : some Celtic perspectives | Ryan, Michael | Article in Book | | 1992 |
| The sword of light : from the Four Masters to Douglas Hyde, 1636-1938 | Ryan, Desmond | Monograph or Collective Volume | Barker | 1939 |
| The symbols of death and the tomb of John Forster in Tydavnet, Co. Monaghan | McCormick, Finbar | Article in Journal | | 1983 |
| The Synan family | Gaughan, J. Anthony, 1932- | Monograph or Collective Volume | Kamac Publications | 1972 |
| The Táin and the annals | Kelleher, J. V. | Article in Journal | | 1971 |
| The taking of the earl of Ormonde, 1600 | Jackson, Donald | Article in Journal | | 1975 |
| The Talbot-Ormond struggle for control of the Anglo-Irish government, 1414-47 | Griffith, Margaret C. | Article in Journal | | 1941 |
| The Tallaght martyrologies, redated | Ó Riain, Pádraig, 1939- | Article in Journal | | 1990 |
| The teaching of midwifery in the University of Dublin | Fleming, J. B. | Article in Journal | | 1966 |
| The Templars in Ireland | Wood, Herbert | Article in Journal | | 1907 |
| The Tenant League and Irish politics in the 1850s | Whyte, J. H. | Monograph or Collective Volume | Dundalgan Press | 1963 |
| The tenants' movement to capture the Irish Poor Law Boards, 1877-1886 | Feingold, W. L. | Article in Journal | | 1975 |
| The territorial ambitions of Maurice FitzThomas, first earl of Desmond, with particular reference to the barony and manor of Inchiquin, co. Cork | O'Brien, A. F. | Article in Journal | | 1982 |
| The territorial organization of Gaelic landownership and its transformation in County Monaghan, 1591-1640 | Duffy, Patrick J. | Article in Journal | | 1981 |
| The testament of John de Wynchedon of Cork, anno 1306 | | Article in Journal | | 1956 |
| The text of the Constantinopolitan creed in the Stowe missal | Breen, Aidan | Article in Journal | | 1990 |
| The text of the Latin Bible in the early Irish church : some data and desiderata | McNamara, Martin | Article in Book | | 1987 |
| The textual integrity of St. Patrick's confession | Powell, Douglas | Article in Journal | | 1969 |
| The third earl of Leitrim | Dolan, Liam | Monograph or Collective Volume | The author | 1978 |
| The thirde booke of the historie of Ireland, comprising the raigne of Henry the eight | Stanihurst, Richard | Article in Book | | 1577 |
| The thirteenth-century Anglo-Irish coins in the Kirial find from Denmark | Dolley, MichaelSeaby, W. A. | Article in Journal | | 1973 |
| The Thomas Davis centenary lecture in Newry | Moody, T. W. (Theodore William), 1907-1984 | Article in Journal | | 1946 |
| The three lives of Gavan Duffy | Pearl, C. | Monograph or Collective Volume | O'Brien Press|New South Wales University Press | 1979 |
| The Tirry documents in the Archives de France, Paris | | Article in Journal | | 1957 |
| The Tirry documents in the Augustinian General Archives | Hackett, M. B. | Article in Journal | | 1957 |
| The tithe sytem in eighteenth-century Ireland | Bric, Maurice J. | Article in Journal | | 1987 |
| The Tithe War in Murroe, 1831-8 | Tierney, Mark | Article in Journal | | 1965 |
| The topographical poems of John O'Dubhagain and Giolla na naomh Ó hUidhrin | | Monograph or Collective Volume | Irish Archaeological and Celtic Society | 1862 |
| The topography and layout of medieval Drogheda | Bradley, John, 1954-2014 | Article in Journal | | 1977 |
| The topography of a battlefield : Arklow, 1798 | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Journal | | 1949 |
| The Topos of the Single Sandal in Irish Tradition | Mac Cana, Proinsias | Article in Journal | | 1973 |
| The Tory Islanders : a people of the Celtic fringe | Fox, Robin | Monograph or Collective Volume | Cambridge University Press | 1978 |
| The tour of Edward Lhuyd in Ireland in 1699 and 1700 | Campbell, J. L. | Article in Journal | | 1960 |
| The town book of the corporation of Belfast, 1613-1816 | | Monograph or Collective Volume | | 1892 |
| The town in Ulster : an account of the origin and building of the towns of the province and the development of their rural setting | Camblin, Gilbert | Monograph or Collective Volume | Mullen | 1951 |
| The town wall fortifications of Athlone | Murtagh, Harman | Article in Book | | 1980 |
| The town wall of Waterford | Power, Patrick | Article in Journal | | 1943 |
| The towns of medieval Ireland | Graham, B. J. (Brian J.) | Article in Book | | 1977 |
| The tragedy of the Irish public records | Wood, Herbert | Article in Journal | | 1938 |
| The transplantation to Connacht, 1654-8 | Simington, Robert C. | Monograph or Collective Volume | | 1970 |
| The transplantation to Connaught | Gardiner, Samuel Rawson, 1829-1902 | Article in Journal | | 1899 |
| The Trants : an enterprising Catholic family in eighteenth-century Cork | Hayes, John | Article in Journal | | 1981 |
| The Treaty of Limerick | Simms, J. G. (John Gerald) | Monograph or Collective Volume | Dundalgan Press | 1961 |
| The treaty of Limerick | Preston, Christopher | Article in Journal | | 1954 |
| The trembling sod : Ireland in 1169 | Byrne, Francis John, 1934-2017 | Article in Book | | 1987 |
| The trial and imprisonment of O'Connell, 1843 | Ó Broin, León, 1902-1990 | Article in Journal | | 1973 |
| The trial of Oliver Plunkett | Curtayne, Alice | Monograph or Collective Volume | Sheed & Ward | 1953 |
| The trial of Oliver Plunkett | Curtayne, Alice | Article in Journal | | 1954 |
| The trial of the primate | Curran, C. P. | Article in Book | | 1937 |
| The trials of bishop Spottiswood 1620-40 | Gillespie, Raymond, 1955-2024 | Article in Journal | | 1987 |
| The tribes and customs of Hy-Many, commonly called O'Kelly's country | | Monograph or Collective Volume | | 1843 |
| The tribes at Louvain : Francis Martin, S.T.D. | Spelman, J. P. | Article in Journal | | 1886 |
| The Tridentine evolution of modern Irish Catholicism, 1563-1962 : a re-examination of the "devotional revolution" thesis | McGrath, T. G. | Article in Journal | | 1991 |
| The Trinity college estates, 1800-1923 | MacCarthy, R. B. (Robert B.) | Monograph or Collective Volume | | 1992 |
| The Trinity College organs in the 17th and 18th centuries | Holmes, John | Article in Journal | | 1972 |
| The tripartite life of St. Patrick (Bethu Phátraic), with other documents relating to the saint | | Monograph or Collective Volume | | 1887 |
| The Troubles : a photographic essay | Bartlett, Thomas | Article in Book | | 2018 |
| The troubles of Captain Boycott | Corfe, T. H. | Article in Journal | | 1964 |
| The true principles of government, applied to the Irish constitution in a code of laws humbly submitted to the king, lords, and commons of Ireland, for their adoption, in lieu of the many thousand volumes, which now contain the laws of the land | Dobbs, Francis | Monograph or Collective Volume | | 1783 |
| The true-born Irishman, a comedy | Macklin, Charles | Monograph or Collective Volume | | 1793 |
| The tryal of the cause of the Roman Catholics | Brooke, Henry | Monograph or Collective Volume | | 1761 |
| The Tudor coinage for Ireland | Challis, Christopher Edgar | Article in Journal | | 1972 |
| The Tudor conquest (1534-1603) | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Book | | 1967 |
| The twelfth-century reform | Gwynn, Aubrey | Monograph or Collective Volume | Gill & Macmillan | 1968 |
| The Tyrels of Castleknock | Brooks, E. St. J. | Article in Journal | | 1946 |
| The Ua Briain kingship of Telach Oc | Hogan, J. | Article in Book | | 1940 |
| The Ui Briuin Breifni genealogies | Duignan, M. V. (Michael V.) | Article in Journal | | 1934 |
| The Uí Liathain and their sept-lands | Ó Buachalla, Liam | Article in Journal | | 1939 |
| The Ulster academies and the philosophies | Kennedy, David | Article in Journal | | 1939 |
| The Ulster academies and the teaching of science (1785-1835) | Kennedy, David | Article in Journal | | 1944 |
| The Ulster branch of the family of Wauchope, Wauhope, Wahab, Waughop etc., with notes on the main Scottish family and on branches in America and Australia | | Monograph or Collective Volume | | 1929 |
| The Ulster dialect lexicon | Braidwood, John | Monograph or Collective Volume | Queen's University | 1969 |
| The Ulster Party : Irish Unionists in the House of Commons, 1884-1911 | Jackson, Alvin | Monograph or Collective Volume | Clarendon Press | 1989 |
| The Ulster press in the 18th and 19th centuries | McClelland, Aiken | Article in Journal | | 1974 |
| The Ulster question, 1603-1973 | Moody, T. W. (Theodore William), 1907-1984 | Monograph or Collective Volume | Mercier Press | 1974 |
| The Ulster question, 1603-1973. | Moody, T. W. (Theodore William), 1907-1984 | Monograph or Collective Volume | | 1980 |
| The Ulster rising of 1641, and the depositions | Perceval-Maxwell, Michael | Article in Journal | | 1978 |
| The Ulster Scot : his history and religion | Woodburn, J. B. | Monograph or Collective Volume | | 1914 |
| The Ulster state papers | | Article in Journal | | 1859 |
| The Ulster Teachers' Union : an historical perspective | Mapstone, R. H. | Monograph or Collective Volume | | 1986 |
| The Ulster-American connection : a series of lectures delivered in the Autumn of 1976 | | Monograph or Collective Volume | University of Ulster | 1981 |
| The unfaithful steward : Thomas Spaight of Bunratty Lodge | Ó Murchadha, Ciarán | Article in Journal | | 1987 |
| The unfortunate Mr. Robert Emmet | Ó Broin, León, 1902-1990 | Monograph or Collective Volume | Clonmore & Reynolds | 1958 |
| The unionist tradition in Ireland | Archer, J. R. | Article in Journal | | 1980 |
| The Unionists and Ireland, 1914-1918 | Stubbs, J. O. | Article in Journal | | 1990 |
| The United Irish League and the reunion of the Irish parliamentary party, 1898-1900 | Bull, Philip | Article in Journal | | 1988 |
| The United Irish movement | Wall, Maureen (née Mac Geehin) | Article in Book | | 1965 |
| The United Irishmen in Co. Tyrone | McEvoy, Brendan | Article in Journal | | 1969 |
| The United Irishmen in Cork county | Ó Coindealbháin, Seán | Article in Journal | | 1953 |
| The United Kingdom : the development of its laws and constitutions. [Pt. 1], England and Wales, Northern Ireland, the Isle of Man. [Pt. 2], Scotland, by T.B. Smith, [and] The Channel Islands, by L.A. Sheridan | | Monograph or Collective Volume | | 1955 |
| The unity of Ulster Unionism, 1886-1939 | Buckland, Patrick | Article in Journal | | 1975 |
| The University of Dublin and two pioneers of English geology : William Smith and John Phillips | Davies, G. L. | Article in Journal | | 1969 |
| The University question | McGrath, Fergal | Article in Book | | 1968 |
| The use of leisure in old Galway | O'Sullivan, M. D. (Mary Donovan) | Article in Journal | | 1939 |
| The use of money in mid-19th century Ireland | Barrow, Lennox | Article in Journal | | 1970 |
| The use of relics in early Ireland | Doherty, Charles | Article in Book | | 1984 |
| The use of tradition : essays presented to G.B. Thompson | | Monograph or Collective Volume | Ulster Folk and Transport Museum | 1988 |
| The Ushers of Birr | Masters, J. M. | Article in Journal | | 1978 |
| The Valkyries and the Irish War-Goddesses | Donahue, Charles | Article in Journal | | 1941 |
| The value of contemporary printed sources for Irish economic history in the eighteenth century | Cullen, L. M. (Louis Michael) | Article in Journal | | 1964 |
| The vanished medieval settlements of Templeybrick | Mulholland, John | Article in Journal | | 1976 |
| The Vatican, the Bishops and Irish Politics 1919-39 | Keogh, Dermot | Monograph or Collective Volume | Cambridge University Press | 1986 |
| The vicars choral of Cashel cathedral | Cashel, Dean of | Monograph or Collective Volume | | 1949 |
| The Victorian Bank, 1824-1914 | MacDonagh, Oliver | Article in Book | | 1983 |
| The Victorian doctors of Dublin : a social and political portrait. | Meenan, F. O. C. | Article in Journal | | 1968 |
| The Viking towns of Ireland | De Paor, Liam | Article in Book | | 1976 |
| The Viking-age silver hoards of Ireland | Graham-Campbell, James A. | Article in Book | | 1976 |
| The Vikings | | Monograph or Collective Volume | | 1978 |
| The Vikings and Ireland | Sawyer, Peter Hayes | Article in Book | | 1982 |
| The Vikings and Irish monasteries | Morris, Christopher D. | Article in Journal | | 1979 |
| The Vikings' Relationship with Christianity in the British Isles | Fellows Jensen, Gillian | Article in Book | | 1987 |
| The vindication of the earl of Kildare from treason, 1496 | | Article in Journal | | 1950 |
| The viscounts Wenman of Tuam and the barons Wenman of Kilmainham : their connections with Ireland | Rudkin, H. R. E. | Article in Journal | | 1940 |
| The vision of Tnugnal | | Monograph or Collective Volume | | 1989 |
| The visitation of the archbishop of Cashel to Waterford and Limerick, 1374-5 | Logan, F. Donald (Francis Donald), 1930- | Article in Journal | | 1976 |
| The Vita Tripartita of St. Patrick. 1. Later accretions. 2. Topographical importance | Mac Néill, Eoin | Article in Journal | | 1930 |
| The Vocacyon of Johan Bale and early English Autobiography | Fairfield, L. P. | Article in Journal | | 1971 |
| The Volunteer companies of Ulster, 1778-93 | Paterson, T. G. F. | Article in Journal | | 1967 |
| The Volunteer Movement and the government, 1778-1793 | Ferguson, K. P. | Article in Journal | | 1979 |
| The Volunteers and parliament, 1779-84 | Smyth, P. D. H. | Article in Book | | 1979 |
| The voyage of St Brendan : literary and historical origins | Mac Cana, Proinsias | Article in Book | | 1989 |
| The Wakelys of Navan and Ballyburly : a discussion of a sixteenth-century family | Hickey, Elizabeth | Article in Journal | | 1974 |
| The Wall family in Ireland, 1170-1970 | Gallwey, Hubert, 1915- | Monograph or Collective Volume | Leinster Leader | 1970 |
| The walled towns of Ireland. 2 vols. | Thomas, Avril | Monograph or Collective Volume | | 1992 |
| The walling of New Ross : a thirteenth-century poem in French | | Article in Journal | | 1975 |
| The walls and defences of Waterford | Carroll, J. S. | Article in Journal | | 1977 |
| The walls of Derry : their building, defending, and preserving. 2 pts. | Milligan, C. D. (Cecil Davis) | Monograph or Collective Volume | Sentinel | 1948 |
| The wars of Turlogh : an historical document | Curtis, Edmund, 1881-1943 | Article in Journal | | 1913 |
| The Waterford Colony in Newfoundland, 1700-1850 | Byrne, Cyril J. | Article in Book | | 1992 |
| The Waterford merchants and the Irish-Newfoundland provisions trade, 1770-1820 | Mannion, John | Article in Book | | 1980 |
| The wealth of the greater Irish landowners, 1750-1815 | Large, David | Article in Journal | | 1966 |
| The wearing of the green | Ó Cuív, Brian | Article in Journal | | 1978 |
| The weavers' guild; the Guild of the Blessed Virgin Mary, Dublin, 1446-1840 | Stubbs, W. C. | Article in Journal | | 1919 |
| The Wentworth papers of Burke, Rockingham and Fitzwilliam | Hoffman, Ross J. S. | Article in Journal | | 1950 |
| The Wesleys came to Dublin | Cole, R. L. | Monograph or Collective Volume | Epworth Press | 1947 |
| The Wexford Catholic community in the later seventeenth century | Murphy, Celestine | Article in Book | | 1990 |
| The Wexford rising in 1798, its causes and course | Dickson, Charles, 1886-1978 | Monograph or Collective Volume | The Kerryman | 1955 |
| The Whiteboy Movement 1760-1780 | Bric, Maurice J. | Article in Book | | 1985 |
| The Whiteboys | Wall, Maureen (née Mac Geehin) | Article in Book | | 1973 |
| The Whitleys of Enniskillen | Moran, T. W. | Monograph or Collective Volume | | 1962 |
| The wide streets commissioners : their importance for Dublin architecture in the late eighteenth- early nineteenth-century | McParland, Edward | Article in Journal | | 1972 |
| The Widening Gulf : Northern Attitudes to the Independent Irish State, 1919-49 | Kennedy, Dennis, 1936- | Monograph or Collective Volume | Blackstaff Press | 1988 |
| The wild and woolly west : early Irish Christianity and Latin orthodoxy | Bradshaw, Brendan, 1937-2017 | Article in Book | | 1989 |
| The will of John O'Neill, third earl of Tyrone | | Article in Journal | | 1974 |
| The Williamite confiscation in Ireland, 1690-1703 | Simms, J. G. (John Gerald) | Monograph or Collective Volume | Faber | 1956 |
| The Williamite war in South Ulster | Simms, J. G. (John Gerald) | Article in Journal | | 1979 |
| The workhouses of Ulster | Gould, M. H. | Monograph or Collective Volume | Ulster Architectural Heritage Society | 1983 |
| The Works of ... William Magee, Lord Archbishop of Dublin. With a memoir of his life ... 2 vols. | Kenney, A. H. | Monograph or Collective Volume | | 1842 |
| The works of George Berkeley, Bishop of Cloyne | | Monograph or Collective Volume | | 1948 |
| The world of Daniel O'Connell | | Monograph or Collective Volume | Mercier Press | 1980 |
| The writer as witness | | Monograph or Collective Volume | | 1987 |
| The writing of history in Ireland, 1800-30 | McCartney, Donal | Article in Journal | | 1957 |
| The writing of Irish economic and social history since 1968 | Clarkson, L. A. (Leslie A.) | Article in Journal | | 1980 |
| The writings of Father Luke Wadding, O.F.M. | Mooney, Canice | Article in Journal | | 1958 |
| The writings of Professor F.X. Martin, O.S.A., 1947-1989 | O'Reilly, Clare | Article in Book | | 1988 |
| The year of liberty : the story of the great Irish rebellion of 1798 | Pakenham, Thomas | Monograph or Collective Volume | Hodder and Stoughton | 1969 |
| The years of crisis, 1254-1315 | Lydon, James F. | Article in Book | | 1987 |
| The Years of the Great Test 1926-39 | | Monograph or Collective Volume | | 1967 |
| The Yeats family and the Pollexfens of Sligo | Murphy, W. M. | Monograph or Collective Volume | Dolmen Press | 1971 |
| The Yellow Book of Lecan | Best, R. I. (Richard Irvine), 1872-1959 | Article in Journal | | 1950 |
| The Yellow Book of Lecan : a collection of pieces (prose and verse) in the Irish language, compiled, in part, about the middle of the twelfth century | | Monograph or Collective Volume | Royal Irish Academy | 1896 |
| The Yellow Book of Lecan proper | Oskamp, H. P. A. | Article in Journal | | 1975 |
| The young Douglas Hyde : the dawn of the Irish revolution and renaissance, 1874-93 | Daly, D. P. | Monograph or Collective Volume | Irish University Press | 1974 |
| The Young Ireland movement | Davis, Richard | Monograph or Collective Volume | Gill & Macmillan | 1987 |
| The young Molyneux, 1684, and a postscript | Tyrell, A. B. | Article in Journal | | 1985 |
| Theft, penitentials and the compilation of the early Irish laws | Gerriets, Marilyn | Article in Journal | | 1991 |
| Themistocles, the lover of his country | Madden, Samuel | Monograph or Collective Volume | | 1729 |
| Theobald Dillon : a newcomer in sixteenth-century Mayo | Cunningham, Bernadette | Article in Journal | | 1986 |
| Theobald Walter | Empey, C. A. (Adrian) | Article in Journal | | 1987 |
| Theobald Wolfe Tone | Boylan, Henry | Monograph or Collective Volume | Gill & Macmillan | 1981 |
| Theobald Wolfe Tone and his times. | MacDermot, Frank | Monograph or Collective Volume | | 1968 |
| These my friends and forebears : the O'Briens of Dromoland | O'Brien, G. R. (Grania Rachel), 1928- | Monograph or Collective Volume | Ballinakella | 1991 |
| Things to be done in Irish genealogical history | Irish Committee of Historical Sciences | Article in Journal | | 1946 |
| This city of Cork, 1700-1900 | Petit, Seán | Monograph or Collective Volume | | 1977 |
| Thomas Barbour and the American linen-thread industry | Green, E. R. R. (Edward Rodney Richey), 1920- | Article in Book | | 1982 |
| Thomas Braughall, 1729-1803, Catholic emancipationist | Hammond, J. W. | Article in Journal | | 1956 |
| Thomas Butler, earl of Ormond (1531-1614) and reform in Tudor Ireland | Brady, Ciarán, 1952- | Article in Book | | 1989 |
| Thomas Davis and the Irish nation | Moody, T. W. (Theodore William), 1907-1984 | Article in Journal | | 1966 |
| Thomas Drummond and the government of Ireland, 1835-41 | Ó Tuathaigh, M. A. G. (Gearóid) | Monograph or Collective Volume | National University of Ireland | 1978 |
| Thomas Francis Meagher, 1822-67 | Bodkin, Mathias | Article in Journal | | 1968 |
| Thomas Hopper and the Norman revival | Feddon, R. R. | Article in Book | | 1956 |
| Thomas Moore, der irische Freiheitssänger. Biographisch literarische Studie | Stockmann, Alois | Monograph or Collective Volume | | 1910 |
| Thomas Newenham 1762-1831 | Gribbon, H. D. | Article in Book | | 1982 |
| Thomas Phillip's plan of Athlone | Murtagh, Harman | Article in Journal | | 1985 |
| Thomas Prior, 1681-1751 : founder of the Royal Dublin Society | Clarke, Desmond | Monograph or Collective Volume | Three Candles | 1951 |
| Thomas Prior, 1681-1751, founder of the Royal Dublin Society | Clarke, D. | Article in Journal | | 1951 |
| Thomas Raven and the mapping of the Clandeboy estates, 1625 | Gillespie, Raymond, 1955-2024 | Article in Journal | | 1981 |
| Thomas Roberts, 1748-78 | Wynne, Michael | Article in Journal | | 1977 |
| Thomas Russell and Belfast | Clifford, Brendan | Monograph or Collective Volume | Athol | 1988 |
| Thomas Stapleton : student in divinity | Stewart, R. L. | Article in Journal | | 1966 |
| Thomas Wentworth, Earl of Strafford | Watts, Jonathan | Article in Book | | 1985 |
| Thoughts on converting the Irish, 1715 | | Article in Journal | | 1962 |
| Thoughts on liberty and equality. By a member of parliament | [Parsons, Laurence], Sir | Monograph or Collective Volume | | 1793 |
| Three hundred years of Irish periodicals | | Monograph or Collective Volume | Association of Irish Learned Journals|Lilliput Press | 1987 |
| Three Irish buildings with West Country origins | Stalley, Roger | Article in Book | | 1981 |
| Three medieval poems from Kilkenny | Seymour, St. John D. | Article in Journal | | 1932 |
| Three notes on Laud Misc. 610 (or the Book of Pottlerath) | O'Sullivan, AnneO'Sullivan, William, 1921-2000 | Article in Journal | | 1971 |
| Three problems in the Vision of Tundal | Marshall, J. C. D. | Article in Journal | | 1975 |
| Three ringed pins from Viking Dublin and their significance | Fanning, Thomas | Article in Book | | 1988 |
| Three twelfth-century appliqué figures | Bourke, Cormac | Article in Book | | 1988 |
| Three unpublished Cistercian documents | [Ó Conbhuí], Colmcille | Article in Journal | | 1955 |
| Ties that bind : immunities in Irish and Welsh law | Stacey, Robin Chapman | Article in Journal | | 1990 |
| Tim Kelly : guilty or not guilty? | Blythe, Ernest, 1889-1975 | Article in Journal | | 1971 |
| Timber halls in Dark Age Britain : some problems | Laing, L. R. | Article in Journal | | 1969 |
| Timothy Healy : Memories and Anecdotes | Barton, Dunbar Plunket, Sir | Monograph or Collective Volume | | 1933 |
| Tiomn Nuadh ár dTighearna agus ar slanaightheora Íosa Críost | | Monograph or Collective Volume | | 1602 |
| Tipperary : History and Society | | Monograph or Collective Volume | Geography Publications | 1985 |
| Tipperary tokens of the seventeenth century | Kenny, Michael | Article in Journal | | 1988 |
| Tír Cumaile | Mac Niocaill, Gearóid | Article in Journal | | 1971 |
| To cure and to care : memoirs of a chief medical officer | Deeny, James | Monograph or Collective Volume | Glendale | 1989 |
| To the greater glory : a history of the Irish Jesuits | McRedmond, Louis | Monograph or Collective Volume | | 1991 |
| To Ulster's credit | Allen, Sam | Monograph or Collective Volume | | 1986 |
| Tobar Finnmhuighe-Slán Pádraig | Nicholls, K. W. (Kenneth W.) | Article in Journal | | 1967 |
| Tobin of Caherlesk and later of Creggan otherwise Tobinstown | Gallwey, H. D. | Article in Journal | | 1979 |
| Tobin of Kilnagranagh | Gallwey, Hubert, 1915- | Article in Journal | | 1977 |
| Toghers or causeways : some evidence from archaeological, literary, historical and place-name sources | Lucas, A. T. | Article in Journal | | 1985 |
| Tolandiana : errata, addenda e indici | | Monograph or Collective Volume | | 1978 |
| Tolerant bishops in an intolerant Church : the Puseyite threat in Ulster | Kerr, S. P. | Article in Book | | 1984 |
| Tomaltach Ua Conchobair, coarb of Patrick, 1181-1201 | Gwynn, Aubrey | Article in Journal | | 1977 |
| Tomás Ruiséil | Mac Giolla Easpaig, S. N. | Monograph or Collective Volume | | 1957 |
| Tongu do dia toinges mo thuath and related expressions | Ó hUiginn, Ruairí | Article in Book | | 1989 |
| Topographia Hibernica. | Dimock, J. F.Gerald, of Wales, c.1146-1220x23 | Article in Book | | 1867 |
| Topographica Hibernica | Seward, W. W. | Monograph or Collective Volume | | 1795 |
| Topographical poems by Seaán Mór Ó Dubhagáin and Giolla-na-naomh Ó Huidhrín | | Monograph or Collective Volume | Institute for Advanced Studies | 1943 |
| Toponomia Hiberniae 1, Barúntacht Dhún Thuaidh (Barony of Dunkerron North) | Ó Ciobháin, Breandán | Monograph or Collective Volume | An Foras Duibhneach | 1978 |
| Tories and Whigs in County Cork, 1714 | Hayton, D. W. (David William) | Article in Journal | | 1975 |
| Tour in Ireland by John Harden in 1797 | | Article in Journal | | 1955 |
| Towards a history of classical influences in Ireland | Stanford, W. B. | Article in Journal | | 1970 |
| Towards a methodology in early Irish hagiography | Ó Riain, Pádraig, 1939- | Article in Journal | | 1982 |
| Town-major Henry Charles Sirr | Hammond, J. W. | Article in Journal | | 1941 |
| Towns and plantations, 1500-1700 | Buchanan, R. H. (Ronald Hull) | Article in Book | | 1986 |
| Towns in the Ulster Plantation | Hunter, R. J. (Robert J.) | Article in Journal | | 1971 |
| Tráchtáil idir iarthar na hÉireann is an Fhrainc, 1660-1800 | Cullen, L. M. (Louis Michael) | Article in Journal | | 1957 |
| Tráchtáil is baincéaracht i nGaillimh san 18ú céad | Cullen, L. M. (Louis Michael) | Article in Journal | | 1958 |
| Tráchtáil leis an bhFrainc, 1660-1800 | Ó Cuileáin, Lughaidh M. | Article in Journal | | 1958 |
| Tracts relating to Ireland. 2 vols. | Irish Archaeological Society | Monograph or Collective Volume | | 1843 |
| Trade and shipping in the Irish sea in the later Middle Ages | O'Neill, Timothy, 1947- | Article in Book | | 1989 |
| Trade and Society in Waterford City, 1800-1840 | Cowman, Des | Article in Book | | 1992 |
| Trade union organization in the south of Ireland in the XIXth century | McLernon, D. A. | Article in Journal | | 1981 |
| Tradition and change in rural Ulster | Buchanan, R. H. (Ronald Hull) | Article in Journal | | 1965 |
| Tradition and Irish local records | Edwards, R. W. D. (Robert Walter Dudley) | Article in Journal | | 1973 |
| Traditional forms of the dwelling-house in Ireland | Ó Danachair, Caoimhín, 1913-2002 | Article in Journal | | 1972 |
| Traditional houses of Rathlin Island | Evans, E. Estyn (Emyr Estyn), 1905-1989 | Article in Journal | | 1973 |
| Traditional music in Ireland | Ó Canainn, Tomás | Monograph or Collective Volume | | 1978 |
| Traditionen der Gewaltanwendung in der irischen Nationalbewegung des 19. Jahrhunderts | Alter, P. | Article in Book | | 1982 |
| Transport in Ireland, 1880-1910 | Flanagan, P. J. | Monograph or Collective Volume | Transport Research Associates | 1969 |
| Transportation from Ireland to Sydney, 1791-1816 | Kiernan, T. J. | Monograph or Collective Volume | | 1954 |
| Transportation in Clare before and after the famine | Curley, Sinéad | Article in Book | | 1989 |
| Travelling with Thomas Story : the life and travels of an eighteenth century Quaker | Moore, E. E. | Monograph or Collective Volume | Letchworth Printers | 1947 |
| Travels on the continent of Europe, in England, Ireland, Scotland, France | Fisk, Willbur | Monograph or Collective Volume | | 1838 |
| Tréadlitir ó 1798 | | Article in Journal | | 1964 |
| Treasures of early Irish art, 1500 B.C. to 1500 A.D. : from the collections of the National Museum of Ireland, Royal Irish Academy, Trinity College, Dublin | | Monograph or Collective Volume | | 1977 |
| Treasures of Ireland : Irish pagan and early Christian art | Lucas, A. T. | Monograph or Collective Volume | Gill & Macmillan | 1973 |
| Treaty between Argyll and O'Donnell | MacKechnie, J. | Article in Journal | | 1951 |
| Trí bior-ghaoithe an bháis Séathrún Kéitinn do sgríobh : the three shafts of death / edited by Osborn Bergin | | Monograph or Collective Volume | Hodges Figgis | 1931 |
| Trí Saorthuatha Mhuinntire Chanannáin : a forgotten medieval placename | Ó Canann, Tomás | Article in Journal | | 1986 |
| Trial excavations at Roscrea Castle, Co. Tipperary | Stout, G. | Article in Journal | | 1987 |
| Tribes and tribalism in early Ireland | Byrne, Francis John, 1934-2017 | Article in Journal | | 1971 |
| Trim castle archaeological excavations | Sweetman, P. D. | Article in Journal | | 1974 |
| Trim Castle, Co. Meath : the first three generations | McNeill, T. E. | Article in Journal | | 1991 |
| Trinity College Dublin, 1592-1952 : an academic history | McDowell, R. B. (Robert Brendan), 1913-2011Webb, D. A. | Monograph or Collective Volume | Cambridge University Press | 1982 |
| Trinity College, Dublin | Dixon, W. M. | Monograph or Collective Volume | | 1902 |
| Triumph of the laity : Scots-Irish piety and the Great Awakening, 1625-1760 | Westerkamp, Marilyn J. | Monograph or Collective Volume | | 1988 |
| Troublesome Business : The Labour Party and the Irish Question | Bell, Geoffrey | Monograph or Collective Volume | | 1982 |
| Tuath-Bailenangeadh (Twoghballynegee, etc.) | Nicholls, K. W. (Kenneth W.) | Article in Journal | | 1967 |
| Tudor and Stuart Ireland | MacCurtain, Margaret, 1929-2020 | Monograph or Collective Volume | Gill & Macmillan | 1972 |
| Tuireamh na hÉireann | Ó Conaill, Seán | Article in Book | | 1952 |
| Twelfth and thirteenth century Irish stonemasons in Regensburg (Bavaria) and the end of the 'school of the west' in Connacht | Harbison, Peter | Article in Journal | | 1975 |
| Twelfth- and thirteenth-century earthwork castles in Ireland : an assessment | Graham, B. J. (Brian J.) | Article in Journal | | 1991 |
| Twelfth- and thirteenth-century earthwork fortifications in Ireland | Graham, B. J. (Brian J.) | Article in Journal | | 1987 |
| Twelve designs of country houses proper for glebes and small estates | Payne, John | Monograph or Collective Volume | | 1757 |
| Twilight of the ascendancy | Bence-Jones, Mark | Monograph or Collective Volume | Constable | 1987 |
| Two bishops of Killaloe and Irish freedom | Hogan, James | Article in Journal | | 1920 |
| Two centuries of Catholicism in County Wexford | Corish, Patrick J. | Article in Book | | 1987 |
| Two centuries of life in County Down, 1600-1800 | Stevenson, John, ca. 1850-1932 | Monograph or Collective Volume | | 1920 |
| Two coin hoards of the rebellion period (1641-9) from Ulster | Seaby, W. A. | Article in Journal | | 1958 |
| Two contemporary historians of the confederation of Kilkenny : John Lynch and Richard O'Ferrall | Corish, Patrick J. | Article in Journal | | 1953 |
| Two descriptions of Waterford in the 1680s | | Article in Journal | | 1987 |
| Two diocesan reports : Elphin (1753) and Killaloe (1792) | | Article in Journal | | 1972 |
| Two Drogheda voters' lists : 1798 and 1802 | Corcoran, Moira | Article in Journal | | 1985 |
| Two early tours in Ireland | | Article in Journal | | 1914 |
| Two eighteenth-century maps of Carlow town | Horner, Arnold | Article in Journal | | 1978 |
| Two eighteenth-century provincial attorneys : Matthew Brett and Jack Brett | Brett, C. E. B. (Charles Edward Bainbridge), Sir, 1928-2005 | Article in Book | | 1990 |
| Two Elizabethan coin hoards from Armagh | Bateson, J. D. | Article in Journal | | 1980 |
| Two hitherto unpublished membranes of Irish petitions presented at the midsummer parliament of 1302 and the Lent parliament of 1305 | Hand, Geoffrey Joseph | Article in Journal | | 1971 |
| Two Irish poems written from the Mediterranean in the thirteenth century | Murphy, Gerard | Article in Journal | | 1953 |
| Two Kerry baronies in the sixteenth century | Butler, W. F. T. (William Francis Thomas), 1869-1930 | Article in Journal | | 1929 |
| Two kingdoms or three? : Ireland in Anglo-Scottish relations in the middle of the sixteenth century | Dawson, Jane E. A. | Article in Book | | 1987 |
| Two legends of the Uí Máille | Ó Riain, Pádraig, 1939- | Article in Journal | | 1971 |
| Two medieval Arabic accounts of Ireland | James, David | Article in Journal | | 1978 |
| Two military medals by William Mossop (1751-1805) | Snoddy, Oliver | Article in Journal | | 1964 |
| Two Phelim O'Neills | Casway, J. I. | Article in Journal | | 1985 |
| Two reports on the Catholic Church in Ireland in the early seventeenth century | | Article in Journal | | 1959 |
| Two romanesque carvings from Rath Blathmaic and Dysert O'Dea, Co. Clare | Harbison, Peter | Article in Journal | | 1987 |
| Two sermons ... preached March 2 and 9, 1659 [1660] | Coxe, Samuel | Monograph or Collective Volume | | 1660 |
| Two sermons of Primate Richard FitzRalph, preached before the provincial councils of Armagh on 7 February 1352 and 5 February 1355 | | Article in Journal | | 1949 |
| Two seventeenth-century houses at Linenhall Street, Londonderry | Lacy, Brian | Article in Journal | | 1981 |
| Two stone crucifixion plaques from east Connacht | Timoney, M. A. | Article in Book | | 1980 |
| Two unpublished Irish coins | Carlyon-Britton, Raymond | Article in Journal | | 1951 |
| Two unpublished letters of a distinguished Cork antiquary | Dolley, MichaelSainthill, Richard | Article in Journal | | 1963 |
| Two unpublished letters of Oliver Cromwell | Jones, Clyve | Article in Journal | | 1973 |
| Two Welsh visitors to Kerry in 1852 | Ó Riain, Pádraig, 1939- | Article in Journal | | 1971 |
| Two Wexford priests and '98 | MacGrath, Kevin | Article in Journal | | 1948 |
| Tymon : a lost Pale castle recorded | Johnson, D. N. | Article in Book | | 1988 |
| Über den Menschenhass. Eine pathographische Untersuchung über Jonathan Swift | Heidenhain, Adolf | Monograph or Collective Volume | | 1934 |
| Über direkte Handelsverbindungen Westgalliens mit Irland im Altertum und frühen Mittelalter | Zimmer, H. | Article in Journal | | 1909 |
| Überlieferung und Rezeption der irischen Bussbücher auf dem Kontinent | Kottje, Raymund | Article in Book | | 1982 |
| Údar 'Tóruidheacht na bhfíreun air Lorg Chríosda' | Ó Mórdha, Séamus | Article in Journal | | 1963 |
| Ui Bruicc, rig na nDessi | Pender, Séamus | Article in Book | | 1940 |
| Uí Mac Caille : its Anglo-Irish and English schools | Ó Coindealbháin, Seán | Article in Journal | | 1946 |
| Uí Maine in the annals and genealogies to 1225. [Pt.1] | Kelleher, J. V. | Article in Journal | | 1971 |
| Ulcombe, Ireland and the St. Legers | Stone, R. C. | Article in Journal | | 1976 |
| Ulster | McHardy, AnnePakenham, Francis Aungier, 7th earl of Longford, 1905-2001 | Monograph or Collective Volume | Weidenfeld and Nicolson | 1981 |
| Ulster : an illustrated history | | Monograph or Collective Volume | Batsford | 1989 |
| Ulster : the Hidden History | Hall, Michael | Monograph or Collective Volume | Pretani Press | 1986 |
| Ulster and Elizabethan English | Braidwood, John | Article in Book | | 1964 |
| Ulster and other Irish maps, c.1600 | | Monograph or Collective Volume | Stationery Office for the Irish Manuscripts Commission | 1964 |
| Ulster and the middle ages | Sheane, Michael | Monograph or Collective Volume | Highfield Press | 1982 |
| Ulster as a mirror of the two societies | Crawford, W. H. (William Henry), 1932-2014 | Article in Book | | 1983 |
| Ulster awakened : the '59 revival reconsidered | Hill, Myrtle | Article in Journal | | 1990 |
| Ulster before the Normans : ancient myth and early history | Doherty, Charles | Article in Book | | 1989 |
| Ulster heroes in the early Irish annals : a caveat | Dumville, David N. | Article in Journal | | 1977 |
| Ulster mottes : a checklist | McNeill, T. E. | Article in Journal | | 1975 |
| Ulster mottes : a checklist | McNeil, T. E. | Article in Journal | | 1975 |
| Ulster Museum, Belfast. Part 2 : Hiberno-Norse coins | Seaby, W. A. | Monograph or Collective Volume | | 1984 |
| Ulster plantation towns 1609-41 | Hunter, R. J. (Robert J.) | Article in Book | | 1981 |
| Ulster politics : the formative years, 1868-1886 | Walker, B. M. (Brian Mercer) | Monograph or Collective Volume | | 1990 |
| Ulster politics : the formative years, 1868-1886 | Walker, B. M. (Brian Mercer) | Monograph or Collective Volume | Ulster Historical Foundation and Queen's University of Belfast, Institute of Irish Studies | 1989 |
| Ulster presbyterianism and Irish nationalism | Holmes, Finlay | Article in Book | | 1982 |
| Ulster since 1800 : a political and economic survey | | Monograph or Collective Volume | | 1954 |
| Un investissement genevois : la tontine d'Irlande de 1777 | Gautier, C. | Article in Journal | | 1952 |
| Un patriote irlandais : Theobald Wolfe Tone, 1763-98 | Rivoallan, Anatole | Article in Journal | | 1967 |
| Uncertainty and pre-famine Irish agriculture | Mokyr, Joel | Article in Book | | 1983 |
| Under the Union flag : the Catholic Church in Ireland, 1800-1870 | Kerr, Donal A. | Article in Book | | 1989 |
| Undescribed medieval heads of County Laois | Carter, Jack | Article in Journal | | 1982 |
| Une diocèse de l'Église établie d'Irlande à l'époque georgienne, d'après une visite épiscopale : Ossory | Loupès, P. | Article in Journal | | 1983 |
| Unfulfilled reknown : Thomas Preston (1860-1900) and the Anomalous Zeeman Effect | O'Connor, S.Weaire, Denis | Article in Journal | | 1987 |
| Union and disunion in the British Isles 1637-1660 | Roots, Ivan | Article in Book | | 1981 |
| Union government, 1812-1823 | Connolly, Sean J. | Article in Book | | 1989 |
| Unionist myths, 1912-1985 | Jackson, Alvin | Article in Journal | | 1992 |
| Unionist politics and protestant society in Edwardian Ireland | Jackson, Alvin | Article in Journal | | 1990 |
| United Irishmen and Unionists : Irish Presbyterians, 1791 and 1886 | Holmes, Finlay | Article in Book | | 1989 |
| University education in Ireland | Clinch, B. J. | Article in Journal | | 1905 |
| Unmanageable revolutionaries : women and Irish nationalism | Ward, M. | Monograph or Collective Volume | Pluto | 1983 |
| Unpublished charters relating to Ireland, 1177-82, from the archives of the city of Exeter | | Article in Journal | | 1936 |
| Unpublished Geraldine documents | Fitzgibbon, H.Graves, JamesHayman, Samuel | Article in Journal | | 1876 |
| Unpublished Geraldine documents | Fitzgibbon, H.Graves, JamesHayman, Samuel | Article in Journal | | 1868 |
| Unpublished Geraldine documents. 4 pts. | Graves, JamesHayman, Samuel | Monograph or Collective Volume | | 1870 |
| Unpublished letters of Hugh O'Neill, Glanconcadhaim, 1602 | Walsh, M. K. | Article in Journal | | 1981 |
| Unpublished letters of Owen Roe O'Neill | Casway, J. | Article in Journal | | 1981 |
| Unpublished medieval notitiae and epistolae [1217-36] | | Article in Journal | | 1964 |
| Unrest in Rural Ireland | Fitzpatrick, David | Article in Journal | | 1985 |
| Uraicecht na Ríar : the poetic grades in early Irish law | Breatnach, Liam | Monograph or Collective Volume | | 1987 |
| Urban genesis in early medieval Ireland | Graham, B. J. (Brian J.) | Article in Journal | | 1987 |
| Urban growth and urban land policy | Bannon, Michael J. | Article in Book | | 1982 |
| Urban Minorities and Majorities : Catholics and Protestants in Towns c.1659-1850 | O'Flanagan, P. | Article in Book | | 1988 |
| Urban oligarchies and popular protest in the early seventeenth century : two Ulster examples | Gillespie, Raymond, 1955-2024 | Article in Journal | | 1982 |
| Urban politics in Ireland 1801-31 | Jupp, Peter, 1940-2006 | Article in Book | | 1981 |
| Urbanisation in north-west Ulster, 1609-1670 | Robinson, Philip S. | Article in Journal | | 1983 |
| Ussher as a churchman | Sykes, Norman | Article in Journal | | 1956 |
| Ussher as a collector of manuscripts | O'Sullivan, William, 1921-2000 | Article in Journal | | 1956 |
| Ussher's work as a patristic scholar and church historian | Oulton, J. E. L. | Article in Journal | | 1956 |
| Vagabonds and sturdy beggars : poverty, pigs and pestilence in medieval Dublin | Moylan, T. K. | Article in Book | | 1990 |
| Varieties of Irishness? : some new explanations | Bew, Paul | Article in Journal | | 1990 |
| Varieties of uniformity : the first century of the Church of Ireland | Clarke, Aidan, 1933-2020 | Article in Book | | 1989 |
| Vatican Archives. Instrumenta Miscellanea : documents of Irish interest [1261-1805] | Dodd, R. J. | Article in Journal | | 1956 |
| Vatican archives; Lettere di Particolari : material relating to Ireland | Giblin, Cathaldus | Article in Journal | | 1973 |
| Vernacular housing in Ulster in the seventeenth century | Robinson, Philip S. | Article in Journal | | 1979 |
| Vetera monumenta Hibernorum et Scotorum historiam illustrantia ... 1216-1547 | | Monograph or Collective Volume | | 1864 |
| Viceregal vignettes : Lords lieutenant of Ireland under William Pitt, the Younger, 1784-1801 | Schweitzer, D. R. | Article in Journal | | 1986 |
| Vicissitudes of an Anglo-Irish family, 1530-1800; a story of Irish romance and tragedy | Bagenal, P. H. D. | Monograph or Collective Volume | | 1925 |
| Vicissitudes of an Irish Catholic family under Henry VIII and Elizabeth | Ronan, Myles V. (Myles Vincent) | Article in Journal | | 1953 |
| Victorian bibliography for 1983 | | Article in Journal | | 1984 |
| Victorian doctor, being the life of Sir William Wilde | Wilson, T. G. | Monograph or Collective Volume | Methuen | 1946 |
| Vie et miracles de S. Laurent, archevêque de Dublin | NA | Article in Journal | | 1914 |
| Views of the most remarkable public buildings, monuments and other edifices in the city of Dublin | Cash, JohnPool, Robert | Monograph or Collective Volume | | 1780 |
| Viking age coin-hoards from Ireland and their relevance to Anglo-Saxon studies | Dolley, MichaelIngold, J. | Article in Book | | 1961 |
| Viking and Early Medieval Buildings in Dublin : a study of the buildings excavated under the direction of A.B. Ó Ríordáin in High Street, Winetavern Street and Christchurch Place, Dublin, 1962-63, 1967-76 | Murray, Hillary | Monograph or Collective Volume | BAR | 1983 |
| Viking and medieval Dublin : National Museum excavations, 1962-1973 : catalogue of exhibition | Anonymous | Monograph or Collective Volume | | 1973 |
| Viking coins of the Danelaw and of Dublin | Dolley, Michael | Monograph or Collective Volume | British Museum | 1965 |
| Viking Dublin exposed : the Wood Quay saga | | Monograph or Collective Volume | O'Brien Press | 1984 |
| Viking-age decorated wood : a study of its ornament and style | Lang, J. T. | Monograph or Collective Volume | Royal Irish Academy | 1988 |
| Vikings in the Irish sea | Christensen, Arne Emil | Article in Book | | 1989 |
| Villages in county Dublin : their origins and inheritance | Fagan, PatriciaSimms, Anngret | Article in Book | | 1992 |
| Violence and 'the true drama of Irish nationhood' | Shaw, Francis | Article in Book | | 2016 |
| Violence and Order in the Eighteenth Century | Connolly, Sean J. | Article in Book | | 1987 |
| Violence, criminality and culture disjunction on the Anglo-Irish frontier : the example of Armagh, 1350-1550 | Jones, W. R. | Article in Journal | | 1980 |
| Virgil of St. Peter's at Salzburg | Wolfram, H. | Article in Book | | 1987 |
| Virgils Werdegang in Irland und sein Weg auf den Kontinent | Ó Fiaich, Tomás | Article in Book | | 1985 |
| Viscount Pirrie of Belfast | Jefferson, H. | Monograph or Collective Volume | [s.n.] | 1948 |
| Viscount Weymouth Grammar School, Carrickmacross | Quane, Michael | Article in Journal | | 1956 |
| Vita S. Malachiae | | Article in Book | | 1963 |
| Vitae sanctorum Hiberniae | | Monograph or Collective Volume | Clarendon | 1910 |
| Vitae Sanctorum Hiberniae ex codice olim Salmanticensi nunc Bruxellensi | | Monograph or Collective Volume | | 1965 |
| Voltaire and Irish History | Gargett, Graham | Article in Journal | | 1990 |
| Voluntaryism : an Irish catholic tradition | Carey, Patrick | Article in Journal | | 1979 |
| Voluntaryism within the established Church in nineteenth century Belfast | Kerr, S. P. | Article in Book | | 1986 |
| Volunteer portraits in the Ulster Museum | Black, Eileen | Article in Journal | | 1979 |
| W. Steel Dickson, D.D. (1744-1824) | Baillie, W. D. | Article in Journal | | 1976 |
| Wadding papers, 1614-38 | | Monograph or Collective Volume | The Stationery Office [for the Irish Manuscripts Commission] | 1953 |
| Wadding the Scotist | Bali, Charles | Article in Book | | 1957 |
| Walker of Derry | Kerr, W. S. | Monograph or Collective Volume | Londonderry Sentinel | 1938 |
| Walter Bellengier, Ireland King of Arms, 1467-87 | London, H. S. | Article in Journal | | 1958 |
| Walter Long and the making of the Government of Ireland Act, 1919-20 | Murphy, Richard | Article in Journal | | 1986 |
| War and peace in Northern Ireland, 1965–2016 | Bew, JohnBew, Paul | Article in Book | | 2018 |
| War, revolution and the crisis of the British empire | Duffy, Michael | Article in Book | | 1991 |
| Warfare in sixteenth-century Ireland | Ó Domhnaill, Seán | Article in Journal | | 1946 |
| Warfare in sixteenth-century Ireland | Ó Domhnaill, Seán | Article in Journal | | 1946 |
| Warfare in the medieval Gaelic lordships | Simms, Katharine | Article in Journal | | 1975 |
| Warrior initiative and some short Celtic spears in the Irish and learned Latin traditions | Sayers, William | Article in Journal | | 1989 |
| Was Berkeley a precursor of Wittgenstein? | Flew, Antony, 1923- | Article in Book | | 1974 |
| Was Ireland ever invaded by the Romans? | Watkin, W. T. | Article in Journal | | 1887 |
| Was Ireland special? Recent writing on the Irish economy and society in the nineteenth century | Fitzpatrick, David | Article in Journal | | 1990 |
| Was John Keogh an informer? | Finegan, Francis | Article in Journal | | 1950 |
| Was John Keogh an informer? A reply to Father Finegan's article | Landreth, Helen | Article in Journal | | 1950 |
| Was there an Irish coinage in the name of Edward VI? | Dolley, Michael | Article in Journal | | 1969 |
| Was Wadding a patriotic Irishman? | Mooney, Canice | Article in Book | | 1957 |
| Washing and bathing in ancient Ireland | Lucas, A. T. | Article in Journal | | 1965 |
| Water-powered corn and flax scotching mills in Ulster | McCutcheon, W. A. | Article in Journal | | 1966 |
| Waterford : history and society : interdisciplinary essays on the history of an Irish county | | Monograph or Collective Volume | | 1992 |
| Waterford and New Ross trade competition c. 1300 | McEneaney, Eamonn | Article in Journal | | 1979 |
| Waterford and the Jacobite war, 1688-91 | Murtagh, Harman | Article in Journal | | 1978 |
| Waterford diocese, 1096-1363 | O'Neill, Assumpta | Article in Journal | | 1993 |
| Waterford diocese, 1096-1363, part 2 : episcopal succession, 1135-1222 | O'Neill, Assumpta | Article in Journal | | 1990 |
| Waterford diocese, 1096-1363, part 4 : the diocesan chapter and extents of the diocese | O'Neill, Assumpta | Article in Journal | | 1992 |
| Wattle and straw mat doors in Ireland | Lucas, A. T. | Article in Journal | | 1956 |
| Wentworth and the parliament of 1634 : an essay in chronology | Fenlon, D. B. | Article in Journal | | 1964 |
| Were Ealdormen Exercising Independent Control over the Coinage in Mid Tenth Century England | Metcalf, D. M. | Article in Journal | | 1987 |
| Were the "Annals of Inisfallen" written at Killaloe? | Gwynn, Aubrey | Article in Journal | | 1958 |
| Were the Irish annals known to a twelfth-century Northumbrian writer? | Sharpe, Richard | Article in Journal | | 1983 |
| Were the Romans acquainted with Ireland? | Esdaile, George | Article in Journal | | 1888 |
| Wesley's one-and-twenty visits to Ireland : a short survey | Haire, Robert | Monograph or Collective Volume | Epworth Press | 1947 |
| Westmeath in the 1798 period | Cox, Liam, 1908-2003 | Article in Journal | | 1969 |
| Westmeath voters, 1832 | Cox, Liam, 1908-2003 | Article in Journal | | 1980 |
| Westport House and the Brownes | Browne, Denis, Marquess of Sligo | Monograph or Collective Volume | | 1982 |
| Wexford : History and Society : Interdisciplinary essays on the History of an Irish county | | Monograph or Collective Volume | Georgraphy Publications | 1987 |
| Wexford town : Oyster lane | Wallace, Patrick F. | Article in Book | | 1974 |
| What's in a dot? | Kilbride-Jones, H. E. | Article in Journal | | 1990 |
| Whateley and the growth of economic studies at Dublin | Rashid, S. | Article in Journal | | 1986 |
| Wheel and spindle : aspects of Irish industrial history | McCutcheon, A. | Monograph or Collective Volume | Blackstaff Press | 1977 |
| When is Donatus not Donatus? Versions, variants and new texts | Law, Vivien | Article in Journal | | 1986 |
| When the Normans came to Ireland | Sheehy, Maurice P. | Monograph or Collective Volume | Mercier Press | 1975 |
| Whence the 'black Irish' of Jamaica? | Williams, J. J. | Monograph or Collective Volume | | 1932 |
| Whig tactics and parliamentary precedent : the English management of Irish politics, 1754-56 | Clark, Jonathan Charles Douglas | Article in Journal | | 1978 |
| White Britain and Black Ireland : the influence of stereotypes on colonial policy | Lebow, R. N. | Monograph or Collective Volume | | 1976 |
| White paper-making in Ireland in the 1690s | Pollard, M. | Article in Journal | | 1977 |
| White servitude in colonial South Carolina | Smith, Warren | Monograph or Collective Volume | | 1961 |
| Who cared? Charity in Victorian and Edwardian Belfast | Jordan, Alison | Monograph or Collective Volume | | 1992 |
| Who was "Colonel Wallis"? | Wallis, A. E. | Article in Journal | | 1976 |
| Who was Coroticus? | Tolstoy, Nikolai | Article in Journal | | 1962 |
| Who was Edward Eustace? | Donnelly, Morwena | Article in Journal | | 1979 |
| Who was Malton? | Raftery, P. J. | Article in Journal | | 1955 |
| Why Ireland Starved : A Quantitative and Analytical History of the Irish economy, 1800-1850 | Mokyr, Joel | Monograph or Collective Volume | Allen & Unwin | 1983 |
| Why the Reformation failed in Ireland : une question mal posée | Canny, Nicholas P. | Article in Journal | | 1979 |
| Why was Oliver Plunket arrested? | Brady, John, d.1963 | Article in Journal | | 1955 |
| Wild as colts untamed : Methodism and society in Lurgan 1750-1950 | Gillespie, Raymond, 1955-2024 | Monograph or Collective Volume | | 1977 |
| Wildgoose Lodge : the evidence and the lore | Casey, D. J. | Article in Journal | | 1975 |
| William Bathe, S.J., recusant scholar, 1564-1614 : 'weary of the heresy' | Ó Mathúna, S. P. | Article in Journal | | 1988 |
| William Burton Conyngham (1733-1796) | Trench, C. E. F. | Article in Journal | | 1986 |
| William Burton Conyngham and the north-west fishery of the eighteenth century | Kelly, J. | Article in Journal | | 1985 |
| William Connor Magee | Hanson, R. P. G. | Article in Journal | | 1978 |
| William Conolly's Ballyshannon estate, 1718-26 | | Article in Journal | | 1981 |
| William de Burgh : progenitor of the Burkes in Ireland | Blake, Martin J. | Article in Journal | | 1911 |
| William Higgins, chemist, 1763-1825 | Wheeler, T. S. | Article in Journal | | 1954 |
| William James MacNeven : born 21 March 1763, died 12 July 1841 | Ó Raghallaigh, D. | Article in Journal | | 1941 |
| William Molyneux and the Spirit of Liberty in Eighteenth-Century Ireland | Kelly, Patrick | Article in Journal | | 1988 |
| William Molyneux of Dublin : a life of the seventeenth-century political writer and scientist. Edited by P.H. Kelly | Simms, J. G. (John Gerald) | Monograph or Collective Volume | | 1982 |
| William Molyneux's geographical collections for Kerry | | Article in Journal | | 1971 |
| William Molyneux, a herald of democracy | Chillingworth, H. R. | Article in Journal | | 1946 |
| William Montgomery and the description of the Ards, 1683 | Quinn, D. B. (David Beers) | Article in Journal | | 1972 |
| William O'Brien : problems reappraising his political career | Bull, Philip | Article in Book | | 1986 |
| William O'Brien and the course of Irish politics, 1881-1918 | O'Brien, J. V. | Monograph or Collective Volume | University of California Press | 1976 |
| William O'Brien and the Irish land war | Warwick-Haller, Sally | Monograph or Collective Volume | Irish Academic Press | 1990 |
| William of Windsor and the wars of Thomond | Harbison, Sheelagh | Article in Journal | | 1989 |
| William Petty and the 'double bottom' | Flood, D. T. | Article in Journal | | 1977 |
| William Sampson, 1764-1836 | O'Higgins, Paul | Article in Journal | | 1971 |
| William Smith O'Brien | Gwynn, D. R. (Denis Rolleston), 1893-1972 | Article in Journal | | 1946 |
| William Smith O'Brien and his Irish revolutionary companions in penal exile | Touhill, Blanche M. | Monograph or Collective Volume | University of Missouri Press | 1981 |
| William Thompson, 1775-1833 : pioneer socialist. | Pankhurst, Richard | Monograph or Collective Volume | | 1991 |
| William Walsh, bishop of Meath, 1554-1577 | Hogan, Flannan | Article in Journal | | 1977 |
| William Wood : sinner or sinned against? | Powell, J. S. (John Stocks) | Article in Journal | | 1979 |
| Williamite peace tactics, 1690-1 | Simms, J. G. (John Gerald) | Article in Journal | | 1952 |
| Willibrord's scriptorium at Echternach and the relationship to Ireland and Lindisfarne | Netzer, Nancy | Article in Book | | 1989 |
| Wills and inventories, Cork | | Article in Journal | | 1862 |
| Winston S. Churchill. Companion to vol. 2, pt. 1 : 1901-1907; pt. 2 : 1907-1911; pt. 3 : 1911-1914. 3 pts. | Churchill, Randolph Frederick Edward Spencer, 1911-1968 | Monograph or Collective Volume | | 1969 |
| With de Gaulle in Ireland (10 May-19 June 1969) | Flohic, Francois | Article in Book | | 1991 |
| Witness from St Patrick to the creed of 381 | Hanson, R. P. C. | Article in Journal | | 1983 |
| Wolfe Tone : prophet of Irish independence | Elliott, Marianne | Monograph or Collective Volume | | 1989 |
| Wolfe Tone : the last phase | Mac Cauley, J. A. | Article in Journal | | 1973 |
| Wolfe Tone and his times | MacDermott, F. | Monograph or Collective Volume | | 1939 |
| Wolfe Tone and the development of a revolutionary culture in Ireland | Elliott, Marianne | Article in Book | | 1991 |
| Wolfe Tone's provost prison : some recent research | O'Donnell, P. D. | Article in Journal | | 1973 |
| Women and crime in seventeenth-century Ireland | Gillespie, Raymond, 1955-2024 | Article in Book | | 1991 |
| Women and Gaelic literature, 1500-1800 | Cunningham, Bernadette | Article in Book | | 1991 |
| Women and madness in Ireland, 1600-1850 | Malcolm, Elizabeth | Article in Book | | 1991 |
| Women and piracy in Ireland : from Gráinne O'Malley to Anne Bonny | Appleby, John C. | Article in Book | | 1991 |
| Women and poultry in Ireland, 1891-1914 | Bourke, Joanna | Article in Journal | | 1987 |
| Women and Protestant minorities in eighteenth-century Ireland | Hempton, DavidHill, Myrtle | Article in Book | | 1991 |
| Women and religious practice | Corish, Patrick J. | Article in Book | | 1991 |
| Women and the preparation of food in eighteenth-century Ireland | Cullen, Nuala | Article in Book | | 1991 |
| Women and the Reformation in seventeenth-century Ireland | Kilroy, Phil | Article in Book | | 1991 |
| Women and war in Ireland in the 1640s | O'Dowd, Mary | Article in Book | | 1991 |
| Women convicts from Wexford and Waterford, 1836-1840 | Mooney, Brenda | Article in Book | | 1989 |
| Women in early Irish society | Ó Corráin, Donnchadh | Article in Book | | 1978 |
| Women in early modern Ireland | | Monograph or Collective Volume | Edinburgh University Press | 1991 |
| Women in Gaelic society during the age of transition | Simms, Katharine | Article in Book | | 1991 |
| Women in Ireland : an annotated bibliography | Brady, Anna | Monograph or Collective Volume | Greenwood Press | 1988 |
| Women in Irish folklore : the testimony regarding illegitimacy, abortion and infanticide | O'Connor, Anne | Article in Book | | 1991 |
| Women in Irish society : the historical dimension | | Monograph or Collective Volume | Arlen House | 1978 |
| Women's dress in Ireland, 1680-1880 | Ffolliott, Rosemary | Article in Journal | | 1971 |
| Women's history in Ireland | Cullen, Mary | Article in Book | | 1991 |
| Women's monastic enclosures in early Ireland : a study of female spirituality and male monastic mentalities | Bitel, Lisa M., 1958- | Article in Journal | | 1986 |
| Women, education and learning in early modern Ireland | MacCurtain, Margaret, 1929-2020 | Article in Book | | 1991 |
| Wonderful knowledge : the Ordnance Survey of Ireland | Browne, J. P. | Article in Journal | | 1985 |
| Wood Quay, Dublin | Wallace, Patrick F. | Article in Journal | | 1981 |
| Woodrow Wilson, Self Determination and Ireland 1918-1919 : A View from the Irish Newspapers | Brindley, Ronan | Article in Journal | | 1988 |
| Work, class and religion in Belfast, 1871-1911 | Hepburn, Anthony C. | Article in Journal | | 1983 |
| Worsted in the game : losers in Irish history | | Monograph or Collective Volume | Lilliput Press in association with RTE | 1989 |
| Writers in the Nation, 1842-5 | MacGrath, K. | Article in Journal | | 1949 |
| Writing about the Irish in Australia | Reece, Bob | Article in Book | | 1991 |
| Writing up early modern Ireland | Morgan, Hiram | Article in Journal | | 1988 |
| Writings on Irish history 1984, incorporating addenda from 1973-1983 | | Monograph or Collective Volume | Irish Committee of Historical Sciences | 1986 |
| Writings on Irish history, 1938-44 | | Article in Journal | | 1944 |
| Writings On Irish History, 1957-8 | | Article in Journal | | 1958 |
| Yearly statement of missionary progress in the Irish islands | Anonymous | Monograph or Collective Volume | | 1844 |
| Youghal, County Cork - growth, decay, resurgence | Orme, A. R. | Article in Journal | | 1966 |
| Young Ireland and 1848 | Gwynn, D. R. (Denis Rolleston), 1893-1972 | Monograph or Collective Volume | | 1949 |
| Young Ireland and the Catholic clergy in 1844 : contemporary deceit and historical falsehood | O'Connell, Maurice R. | Article in Journal | | 1988 |
| Young Ireland centenary : a symposium | Knowlan, K. B.O'Neill, Thomas Patrick | Article in Journal | | 1946 |
| Young Irelanders in Australia | Patrick, R. | Article in Journal | | 1981 |
| Yr iaith Wyddeleg | Jones-Hughes, A. T. | Article in Journal | | 1967 |
| Zur Rolle der Iren im östlichen Vorfeld des agilolingischen und frühkarolingischen Baiern | Kahl, Hans-Dietrich | Article in Book | | 1982 |
| Zur Spiritualität des frühen irischen Mönchtums | Vogt, H. J. | Article in Book | | 1982 |
| “Blurring the main story” : news in the work of Ciaran Carson | Costello O'Reilly, James | Article in Journal | | 2024 |