| "A discourse of Ireland" (circa 1590) : a sidelight on English colonial policy | Quinn, D. B. (David Beers) | Article in Journal | | 1942 |
| "An headlesse Ladie" and "a horses loade of heades" : Writing the Beheading | Palmer, Patricia | Article in Journal | | 2007 |
| "English" houses built at Moneymore, county Londonderry, c. 1615 | Robinson, Philip S. | Article in Journal | | 1983 |
| "Good planets in their several speares" - the establishment of the assize circuits in early seventeenth-century Ireland | McCavitt, John | Article in Journal | | 1993 |
| "Let Ireland be quiet" : opposition in England to the Cromwellian conquest of Ireland | Durston, Christopher, 1951-2005 | Article in Journal | | 1986 |
| "More Worthy Patronesse" : Elizabeth Cary and Ireland | Rankin, Deana | Article in Book | Palgrave Macmillan | 2007 |
| "Murdering heart ... murdering hand" : Captain Thomas Lee of Ireland, Elizabethan assassin | Myers, James P., jr. | Article in Journal | | 1991 |
| "Pillars of the authority of princes" : reflections on the employment of bishops in the British Isles in the reign of James VI/I | Nicholls, Andrew D. | Article in Journal | | 1999 |
| "Reducing their Barbarous Wildness... unto Civility" : England and "the Celtic Fringe", 1415-1625 | Ellis, Steven G., 1950- | Article in Book | Palgrave Macmillan | 2009 |
| 'And so began the Irish nation' : nationality, national consciousness and nationalism in pre-modern Ireland | Bradshaw, Brendan | Monograph or Collective Volume | Ashgate | 2015 |
| 'Destruction by peace' : Hugh O'Neill after Kinsale | Walsh, M. K. | Monograph or Collective Volume | Amagh Historical Association | 1986 |
| 'Into Another Mould' : aspects of the Interregnum | | Monograph or Collective Volume | | 1981 |
| 'Is mairg nár chrean re maitheas saoghalta' | Ó Murchú, Liam P. | Article in Book | Irish Texts Society / Cumann na Scríbheann nGaedhilge | 2001 |
| 'Seminarie soldiers' : connections between the religious and military communities in the Spanish Netherlands - 1585-1610 | Henry, A. G. | Article in Journal | | 1987 |
| 'The chosen few' : Biblical text in the regalia of an Ulster secret society | Buckley, Anthony D. | Article in Journal | | 1985 |
| 'The Dunkirk of Ireland', Wexford privateers during the 1640's | Ohlmeyer, Jane H. | Article in Journal | | 1988 |
| 'Under the great comedian's tomb' : the funeral of Charles Stewart Parnell | Travers, Pauric | Article in Book | | 2006 |
| 1641 | Houston, A. | Article in Book | | 1906 |
| 16th Century Ireland, 1485-1603 | Quinn, D. B. (David Beers)Quinn, D. B. (David Beers) | Article in Book | | 1971 |
| 28 November 1634 : a detail of Strafford's administration | Clarke, Aidan | Article in Journal | | 1963 |
| A 'Riotous and Unruly Lot' : Irish Indentured Servants and Freedmen in the English West Indies, 1644-1713 | Beckles, Hilary McD. | Article in Journal | | 1990 |
| A bishop of the penal times : being letters and reports of John Brenan, bishop of Waterford (1671-93) and archbishop of Cashel (1677-93) | | Monograph or Collective Volume | Cork UP | 1932 |
| A brief account ... of the causes ... of the Irish rebellion ... 1641 | [Curry, John] | Monograph or Collective Volume | | 1747 |
| A calendar of salved chancery pleadings concerning County Louth | Nicholls, K. W. (Kenneth W.) | Article in Journal | | 1975 |
| A catalogue of books in the Bristol Reference Library printed in England, Scotland and Ireland and of English books printed abroad, 1641-1700 | Bristol Public Libraries | Monograph or Collective Volume | | 1958 |
| A checklist of the varieties of the James I shilling Irish | Rice, Gerard | Article in Book | | 1988 |
| A collection of the protests of the lords of Ireland, 1634-1770 | Anonymous | Monograph or Collective Volume | | 1771 |
| 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 account of the martyrdom of Conor O'Devany, OFM, bishop of Down and Connor, and Patrick O'Loughran | Corish, Patrick J. | 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 dictionary of the booksellers and printers who were at work in England, Scotland, and Ireland, 1641-1667 | Plomer, Henry R. (Henry Robert), 1856-1928 | Monograph or Collective Volume | | 1907 |
| A Difficult Birth: The Early Years of Northern Ireland, 1920-1925 | Parkinson, Alan F. | Monograph or Collective Volume | Eastwood Books | 2020 |
| A discourse between two councillors of state, the one of England and the other of Ireland (1642) | | Article in Journal | | 1970 |
| A discourse of Ireland [c.1620] | Gernon, Luke | Article in Book | | 1904 |
| A distribution of forfeited land in the county of Cork, returned by the Downe Survey | | Article in Journal | | 1936 |
| A document on the parliament of 1613 from St Isidore's College, Rome | | Article in Journal | | 1986 |
| A history of the diocese of Cork : from reformation to the penal era | Bolster, Evelyn | Monograph or Collective Volume | Tower Books | 1982 |
| A history of the Richmond Asylum (St. Brendan's Hospital), Dublin | Falvey, JaneO'Shea, Brian | Article in Book | | 1996 |
| A justification for foreign intervention in early modern Ireland | O'Connor, Thomas | Article in Book | | 2003 |
| A list of the seventeenth- and eighteenth-century Cork-printed books etc. | Dix, E. R. McC. (Ernest Reginald McClintock), 1857-1936 | Article in Journal | | 1919 |
| A mid-seventeenth-century hoard from County Wexford | Heslip, R. | Article in Book | | 1988 |
| A new Irish fragment of the continuatio to Rufinus-Eusebius Historia Ecclesiastica | Breen, Aidan | Article in Journal | | 1987 |
| A note on James Archer, S. J., 1550? - 1620? | Bergin, Denis | Article in Journal | | 1968 |
| A note on Scáthan Shacramuinte na hAithridhe | Williams, N. J. A. | Article in Journal | | 1979 |
| A particular of the howses and famylyes in London Derry, May 15, 1628 | Beresford, TristramKing, R. G. S. | Monograph or Collective Volume | | 1936 |
| A pattern shilling Irish of Mary Tudor | Dolley, Michael | Article in Journal | | 1971 |
| A plot of the six escheated counties of Ulster [c.1610] | Anonymous | Article in Journal | | 1938 |
| A poem on the downfall of the Gaoidhil | | Article in Journal | | 1969 |
| A poem on the second earl of Antrim | | Article in Journal | | 1981 |
| A previously unnoticed letter of Oliver Plunkett | | Article in Journal | | 1975 |
| A primer of the history of the holy catholic church in Ireland. 2 vols. | King, Robert | Monograph or Collective Volume | | 1845 |
| A profest papist : Bishop John Gordon | Taylor, T. F. | Monograph or Collective Volume | | 1958 |
| A quaternion of sermons preached in Ireland in the summer season, 1624 | Andrews, George | Monograph or Collective Volume | | 1625 |
| 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 history of Sir Patrick Dun's Hospital | Moorhead, T. C. | Monograph or Collective Volume | Hodges Figgis | 1942 |
| A short history of the Irish people down to the date of the plantation of Ulster | Kane, R. R.Richey, A. G. (Alexander George) | Monograph or Collective Volume | | 1887 |
| A sword for Christ : the republican era in Great Britain and Ireland | Cobb, Jonathan | Monograph or Collective Volume | Birlinn | 2021 |
| A text preserved at the Aghmacart medical school : Bernard de Gordon's 'De Prognosticis', Book II,9 | Faerber, Beatrix | Article in Journal | | 2019 |
| A threat of satire by Tadhg (mac Dáire) Mac Bruaideadha | McLaughlin, Roisín | Article in Journal | | 2005 |
| A view from the DART | Caprani, Vincent | Monograph or Collective Volume | MO Books | 1986 |
| A water mill built in 1615 by the Drapers Company at Moneymore, County Londonderry | Robinson, Philip S. | Article in Journal | | 1982 |
| Abstracts of 17th-century Irish wills in the Prerogative Court of Canterbury | | Article in Journal | | 1948 |
| Accusations of Oliver Plunkett | Mooney, Canice | Article in Journal | | 1956 |
| Advertisements for Ireland : being a description of the state of Ireland in the reign of James I contained in a manuscript in the library of Trinity College, Dublin | | Monograph or Collective Volume | | 1923 |
| Aegidius Chaissy, O.F.M., and James Ussher, Protestant bishop of Armagh | Giblin, Cathaldus | Article in Journal | | 1956 |
| After the Flight : the plantation of Ulster | Gillespie, Raymond | Article in Journal | | 2007 |
| An appeal of the Ulster Franciscans against Blessed Oliver Plunket | Jennings, Brendan | Article in Journal | | 1956 |
| An elegy on Donnchadh Ó Briain, fourth earl of Thomond | | Article in Journal | | 1984 |
| An historical account of the plantation of Ulster at the commencement of the 17th century 1608-20 | Hill, George, 1810-1900 | Monograph or Collective Volume | Irish University Press | 1970 |
| An historical and critical review of the civil wars in Ireland ... | [Curry, John] | Monograph or Collective Volume | | 1775 |
| An inquisition of James I, 24th March 1618 | Mac Eochaidh, Mícheál | Article in Journal | | 1970 |
| An interrogation carried out in Cork in 1600 by the Ecclesiastical High Commission for Recusancy : a document from Laud ms. 612, Bodleian Library Oxford | Sheehan, A. J. (Anthony J.) | Article in Journal | | 1984 |
| An Irish Capuchin missionary in politics : Francis Nugent negotiates with James I, 1623-4 | Martin, F. X. (Francis Xavier), 1922-2000 | Article in Journal | | 1960 |
| An Irish letter of marque, 1648 | Appleby, John C. | Article in Journal | | 1982 |
| An Ironside of Ireland : the remarkable career of Lieut.-General Michael Jones, governor of Dublin and commander of the parliamentary forces in Leinster, 1647-1649 | Kerr, A. W. M. | Monograph or Collective Volume | | 1923 |
| An tAthair William Bathe, C.Í., 1564-1614 : ceannródaí sa teangeolaíocht | Ó Mathúna, S. P. | Monograph or Collective Volume | | 1981 |
| An unpublished early 17th century census of the men and arms on the estates of the English and Scotch settlers in Co. Armagh | Paterson, T. G. F. | Article in Journal | | 1970 |
| An unpublished letter of St Oliver Plunkett | | Article in Journal | | 1975 |
| Anarchy in west Munster | Breatnach, Pádraig A. | Article in Journal | | 1989 |
| Ancient Irish deeds and writings, chiefly relating to landed property from the twelfth to the seventeenth century | Hardiman, James | Article in Journal | | 1826 |
| Anglesey in the Civil War | Dodd, A. H. | Article in Journal | | 1952 |
| Another look at the battle of Benburb, 5 June 1646 | McDonnell, J. J. | Article in Journal | | 1979 |
| Aodh Mac Aingil (1571-1626) agus Scotachas Éireannach | Mac Conmara, Mairtín | Article in Book | | 1988 |
| Apologia pro Hibernia adversus Cambri calumnias | White, Stephen, 1575-1647? ; Kelly, Matthew, 1814-1858 | Monograph or Collective Volume | NA | 1849 |
| Approaching the past : historical anthropology through Irish case studies | | Monograph or Collective Volume | Columbia University Press | 1992 |
| Archaeological bibliography for Great Britain and Ireland | Council for British Archaeology | Monograph or Collective Volume | | 1950 |
| Archbishop Bulkeley's visitation of Dublin, 1630 | Bulkeley, Launcelot | Article in Journal | | 1941 |
| Archbishop John Brenan (1625-1693) : his life and work | Breathnach, Catherine | Article in Journal | | 1993 |
| Archbishop Marsh and his library | McCarthy, Muriel | Article in Journal | | 1975 |
| Archbishop Oliver Plunkett : Ireland's first canonized martyr | Curtayne, Alice | Article in Journal | | 1976 |
| Archbishop Ussher and English Presbyterianism | Knox, R. B. | Article in Journal | | 1964 |
| Archbishop Ussher's scheme of church government | Bolton, F. R. | Article in Journal | | 1947 |
| Architecture and sculpture, 1169-1603 | Rae, E. C. | Article in Book | | 1987 |
| Aspects of the continental education of Irish students in the reign of Elizabeth I | Hammerstein, Helga | Article in Book | | 1971 |
| Association records of the Particular Baptists of England, Wales and Ireland to 1660 | | Monograph or Collective Volume | | 1977 |
| Athlone in the Civil War, 1641-52 | Cox, Liam, 1908-2003 | Article in Journal | | 1971 |
| Baptista Boazio's map of Ireland | Andrews, J. H. (John Harwood) | Article in Journal | | 1970 |
| Barnabe Riche, difensore del soldato inglese e autore di 'A Larum for London' | Ferrara, Fernando | Article in Journal | | 1957 |
| Bayle, Hume and Berkeley | Courtines, Pierre | Article in Journal | | 1947 |
| Bibliographica Hibernica : Additions and Corrections to Wing | Alden, J. E. | Monograph or Collective Volume | | 1955 |
| Bishop John Brenan, the intimate of Blessed Oliver | Power, P. | Article in Book | | 1937 |
| Bishops and ministers in Ulster during the primacy of Ussher | Kilroy, Phil | Article in Journal | | 1977 |
| Black Abbey, County Down | Hamilton, G. E. | Article in Journal | | 1921 |
| Black Tom of Ormonde | Falls, Cyril Bentham | Article in Journal | | 1961 |
| Blessed Oliver and the Benedictines | Phillipson, Wulstan | Article in Book | | 1937 |
| Blessed Oliver Plunket | O'Connor, R. F. | Article in Journal | | 1924 |
| Blessed Oliver Plunket | MacLeod, Catriona | Article in Journal | | 1939 |
| Blessed Oliver Plunket and the Popish Plot in Ireland | Walker, Breifne | Article in Journal | | 1968 |
| Blessed Oliver Plunket. Historical studies | Anonymous | Monograph or Collective Volume | | 1937 |
| Blessed Oliver Plunkett | Curtis, Emmanuel | Monograph or Collective Volume | Clonmore & Reynolds | 1963 |
| Blessed Oliver Plunkett : historical studies | Various authors | Monograph or Collective Volume | Gill | 1937 |
| Blessed Oliver Plunkett and his Irish Jesuit schools | Corcoran, Timothy Joseph, 1872-1943 | Article in Journal | | 1941 |
| Blessed Oliver Plunkett and the tories | Mac Phóil, Donnchadha | Article in Journal | | 1959 |
| Blessed Oliver Plunkett in Down and Connor | Smyth, J. | Article in Journal | | 1937 |
| Blessed Oliver Plunkett's report on the diocese of Armagh, 1670 | | Article in Journal | | 1959 |
| Blessed Oliver's relics at Goodings | Francis, Agnes | Article in Journal | | 1969 |
| Bonaventure O'Connor Kerry : a seventeenth-century Franciscan abroad | Giblin, Cathaldus | Article in Journal | | 1984 |
| Bowdlerizing the bawdy : translations of Dáibhí Ó Bruadair's "Seirbhíseach seirgthe" | O'Grady, Thomas B. | Article in Journal | | 1997 |
| Brehon law in late-medieval Ireland : "antiquarian and obsolete" or "traditional and functional"'? | Patterson, Nerys | Article in Journal | | 1989 |
| Britain in revolution, 1625-1660 | Woolrych, Austin Herbert, 1918-2004 | Monograph or Collective Volume | Oxford University Press | 2002 |
| British settler society in Donegal c.1625 to 1685 | McKenny, Kevin | Article in Book | | 1995 |
| British university professors of music | Loewenberg, Alfred | Article in Journal | | 1945 |
| Cahir O'Doherty and the Dove of Cartemyne, 1603-4 : a sidelight on Gaelic admiralty jurisdiction | Appleby, John C.O'Dowd, Mary | Article in Journal | | 1986 |
| Calendar of ... Scritture riferite nei congressi, Irlanda, in Propaganda archives | | Article in Journal | | 1978 |
| Calendar of Irish material in ... Fondo di Vienna in Propaganda archives | | Article in Journal | | 1990 |
| Calendar of petitions to Ormonde in 1649 and 1650 | Charles-Edwards, Gifford | Article in Journal | | 1983 |
| Calendar of State Papers relating to Ireland. James I. 5 vols. | | Monograph or Collective Volume | [HMSO] | 1872 |
| Calendar of State Papers, domestic series. Charles I | Anonymous | Monograph or Collective Volume | | 1858 |
| Calendar of the Carew manuscripts preserved in the archiepiscopal library at Lambeth. 6 vols. | | Monograph or Collective Volume | | 1867 |
| Calendar of the patent and close rolls of chancery in Ireland, of the reign of Charles the First, first to eighth year inclusive | Morrin, James | Monograph or Collective Volume | | 1863 |
| Calendar of the state papers relating to Ireland of the reign of Charles I (and Commonwealth) 1625(-1660) preserved in the Public Record Office, [vols. 1-3] : 1625-1660; [vol. 4] : Adventurers for land. 1642-1659. 4 vols. | | Monograph or Collective Volume | [HMSO] | 1900 |
| Calendar of the state papers relating to Ireland [in the reign of Charles II] preserved in the Public Record Office. 1660-(70), with addenda, 1625-70. 4 vols. | | Monograph or Collective Volume | [HMSO] | 1905 |
| Calendar of volume1 (1625-68) of the collection 'Scritture riferite nei congressi, Irlanda' in Propaganda Archives | Millett, Benignus | Article in Journal | | 1964 |
| Cambrensis eversus seu potius historica fides in Rebus Hibernicis Giraldo Cambrensi abrogata. 3 vols. | Kelly, Matthew, 1814-1858[Lynch, John, c.1599–1677] | Monograph or Collective Volume | | 1848 |
| Canonical faculties on the Irish mission in the reign of Queen Elizabeth, 1558-1603 | Jones, F. M. | Article in Journal | | 1953 |
| Car(r)a(g)her clan record in the Catholic parish register of Creggan Lower, Ireland, 1845-1935 : Index : maternal names | Anonymous | Monograph or Collective Volume | Caraher Family History Society | 1986 |
| Carew's survey of Ulster, 1611 : the voluntary works | | Article in Journal | | 1975 |
| 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. 140-3 of the Scritture originali riferite nelle congregazioni generali in Propaganda archives | | Article in Journal | | 1971 |
| Catholic religious practices and payments in seventeenth-century Ireland | Gillespie, Raymond | Article in Journal | | 1993 |
| Catholicism in Meath, c. 1622 | | Article in Journal | | 1972 |
| Cattle in ancient Ireland | Lucas, A. T. | Monograph or Collective Volume | Boethius Press | 1989 |
| Chapter 2 Information Shadows ; Meteorological Disaster and Misinformation across Europe in the Wake of the 1625 Raid on Cadiz | Pritchard, Thom | Article in Book | Brill | 2024 |
| Charles I and the confederation of Kilkenny, 1643-9 | Lowe, John | Article in Journal | | 1964 |
| Christopher Lowther's Canary adventure : a merchant venturer in Dublin, 1632-3 | Hainsworth, D. R. | Article in Journal | | 1975 |
| Chronicle. Events to mark the 350th anniversary of Str Oliver Plunkett as Archbishop of Armagh | | Article in Journal | | 2019 |
| Chronicle. Events to mark the 350th anniversary of Str Oliver Plunkett as Archbishop of Armagh | | Article in Journal | | 2019 |
| Churchwarden's accounts, 1484-1600, St Werburgh's church, Dublin | Robinson, J. L. | Article in Journal | | 1914 |
| Cín lae Ó Mealláin | | Article in Journal | | 1931 |
| Civic life and religion in early seventeenth-century Dublin | Lennon, Colm | Article in Journal | | 1983 |
| Civic privilege and state power in Dublin, 1534-1613 | Lennon, Colm | Article in Journal | | 1987 |
| Clohamon castle and Lord Baltimore | Lyttleton, James | Article in Book | | 2016 |
| Coalmining in Castlecomer : a way of life for so many for so long | Firoda National SchoolFogarty, Martin | Monograph or Collective Volume | Firoda National School | 2001 |
| Collecting oral history : a guide for teachers and amateur historians | Ballard, S. M.Buckley, Anthony D.Harkness, C. | Monograph or Collective Volume | Ulster Folk and Transport Museum | 1985 |
| Colonel Edward Wogan | Murtagh, Diarmuid | Article in Journal | | 1954 |
| Composite monarchies in early modern Europe : the British and Irish example | Russell, Conrad Sebastian Robert, 5th earl Russell, 1937-2004 | Article in Book | | 1995 |
| Conspiracy : Ulster plots and plotters in 1615 | Gillespie, Raymond | Monograph or Collective Volume | Queen's University of Belfast, Institute of Irish Studies | 1987 |
| Contemporary accounts of the battle of Kinsale (1601) | Carty, James | Article in Journal | | 1940 |
| Contemporary maps as an aid to Irish history, 1593-1603 | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Journal | | 1965 |
| Continuity, legitmacy and strategy : the titular priors of Ireland - Romegas, González, Wyse and Brochero - and their relations with the Spanish monarchy, 1576-1625 | Downey, Declan M. | Article in Book | | 2015 |
| Coronatae virtuti | Anonymous | Monograph or Collective Volume | | 1629 |
| Correspondence between archbishops Ussher and Laud | | Article in Journal | | 1991 |
| Correspondence of Irish interest in the Lettere in Propaganda Archives : vols. 27-34 (1649-64) | Millett, Benignus | Article in Journal | | 1988 |
| Court of Castle Chamber records | Anonymous | Article in Book | | 1905 |
| Court-Castle faction and the Irish viceroyalty : the appointment of Oliver St John as Lord Deputy of Ireland in 1616 | Rutledge, V. L. | Article in Journal | | 1989 |
| Creating facts on the ground: the destruction of Clandeboye | Murphy, Tom | Article in Journal | | 2012 |
| Crises of identity among Irish protestants, 1641-1685 | Barnard, T. C. (Toby Christopher) | Article in Journal | | 1990 |
| Cromwell | Howell, Roger | Monograph or Collective Volume | | 1977 |
| Cromwell and English liberty | Howell, Roger | Article in Book | | 1986 |
| Cromwell and Ireland | Brown, R. N. | Article in Journal | | 1957 |
| Cromwell and Plunkett : two early modern heads called Oliver | Tarlow, Sarah | Article in Book | | 2013 |
| Cromwell at Drogheda, 1649 | Simms, J. G. (John Gerald) | Article in Journal | | 1973 |
| Cromwell's barrack : a commonwealth garrison fort on Inishbofin, Co. Galway | Walsh, P. | Article in Journal | | 1989 |
| Cromwell's siege of Waterford, 1649 | Simms, J. G. (John Gerald) | Article in Journal | | 1960 |
| Cromwell, Scotland and Ireland | Stevenson, David, Ph. D. | Article in Book | | 1990 |
| Cromwellian England 1649-1660 | Worden, Blair | Article in Book | | 1986 |
| Cromwellian Ireland : English government and reform in Ireland, 1649-1660 | Barnard, T. C. (Toby Christopher) | Monograph or Collective Volume | Oxford University Press | 1975 |
| Cromwellian settlement of Ireland | | Article in Journal | | 1948 |
| Crossing the generations. [Part one]-Part two | Anonymous | Article in Journal | | 2013 |
| Cultural frontiers and the circulation of manuscripts in Ireland, 1625-1725 | Cunningham, BernadetteGillespie, Raymond | Article in Book | | 2012 |
| Culture, contention and identity in seventeenth-century Ireland : Antonius Bruodinus’ Anatomical Examination of Thomas Carve’s Apologetic Handbook | Bruodinus, Antonius, 1625-1680 ; Carve, Thomas 1590-1672 | Monograph or Collective Volume | Cork University Press | 2022 |
| Cuntas Thaidhg Uí Chianáin ar Thuras Deoraíochta na dTaoiseach Ultach, 1607-8 | Ó Muraíle, Nollaig | Article in Journal | | 2007 |
| Dáibhí Ó Bruadair : his historical and literary context | | Monograph or Collective Volume | Irish Texts Society | 2001 |
| Dáibhí O Bruadair and Irish culture in Limerick, 1691 | Ó Madagáin, Breandán | Article in Journal | | 1991 |
| Dáiví Ó Bruadair | Ó Fiannachta, Pádraig | Article in Book | | 1982 |
| Daniel O'Neill, a royalist agent in Ireland, 1644-50 | Cregan, Donal F. | Article in Journal | | 1941 |
| Dánta do chum Aonghus Fionn Ó Dálaigh | | Monograph or Collective Volume | | 1919 |
| David Hume on the 1641 rebellion in Ireland | Berman, David | Article in Journal | | 1976 |
| David Ó Bruadair | Murphy, Gerard | Article in Journal | | 1952 |
| Death and justice at Grangemellon, Athy, County Kildare, 1623 | Robinson, James | Article in Journal | | 2009 |
| Death comes to the archbishop | Dempsey, Anthony | Article in Journal | | 1939 |
| Delved from the [Roman] archives . | Carey, LukeOthers | Article in Journal | | 1908 |
| Denis Harty : vicar apostolic of Killaloe, 1657-1667 | Murphy, Ignatius | Article in Journal | | 1989 |
| Departure and exile in the Drelincourt correspondence | McKee, Jane | Article in Book | | 2013 |
| Desiderius, otherwise called Sgáthán an Chrábaidh | | Monograph or Collective Volume | | 1941 |
| Did Strafford change sides? | Zagorin, Perez | Article in Journal | | 1986 |
| Die englische Herrschaft in Irland und die Krise der Stuart-Monarchie im 17. Jahrhundert | Asch, Ronald G. | Article in Journal | | 1990 |
| Diplomatic preparations for Kinsale | O'Connor, Thomas | Article in Book | | 2002 |
| Discovering the O'Neill tower-house and Chichester's military fort at Castle Hill, Dungannon | Donnelly, Colm J.Logue, PaulMurray, Emily | Article in Book | | 2010 |
| Displacement and development : class, kinship and social change in Irish rural communities | Hannan, Damian | Monograph or Collective Volume | Economic and Social Research Institute | 1979 |
| Document. An early 17th century list of lands in counties Limerick and Tipperary | | Article in Journal | | 2014 |
| Documents concerning the oath of supremacy in early seventeenth-century Ireland | Ní Mhurchadha, Maighréad | Article in Journal | | 2010 |
| Documents from the State Papers concerning Miles McGrath | | Article in Journal | | 1958 |
| Documents of the Irish Franciscan college at Prague | Jennings, Brendan | Article in Journal | | 1942 |
| Douai College documents, 1639-1794 | | Monograph or Collective Volume | Catholic Record Society | 1972 |
| Duanaire Dháibhidh Ui Bhruadair | | Monograph or Collective Volume | Irish Texts Society | 1910 |
| 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 Dháibhidh Uí Bhruadair: the poems of David Ó Bruadair. Part II containing poems from the year 1667 till 1682 | Mac Erlean, John | Monograph or Collective Volume | London | 1913 |
| Duanaire Dháibhidh Uí Bhruadair: the poems of David Ó Bruadair. Part III. Containing poems from the year 1682 till the poet's death in 1698. | Mac Erlean, John C. | Monograph or Collective Volume | Irish Texts Society | 1917 |
| Duanaireacht dhéanach Dháibhí Uí Bhruadair 1685-1691 | Ó Murchú, Liam P. | Article in Book | | 1996 |
| Dublin Diocesan Archives : Hamilton Papers (5) | Purcell, Mary | Article in Journal | | 1994 |
| Dublin theatres and theatre customs, 1637-1820 | Stockwell, la Tourette | Monograph or Collective Volume | Kingsport Press | 1938 |
| Early Belfast medicine | Strain, R. W. M. | Article in Journal | | 1971 |
| Early English colonial experiences in Ireland : Captain Thomas Lee and Sir John Davies | Meyers, J. P. | Article in Journal | | 1988 |
| Early seventeenth-century ships' masters and merchants | Sweetnam, Robin | Article in Journal | | 1986 |
| Economic problems of the church : why the Reformation failed in Ireland | Ellis, Steven G., 1950- | Article in Journal | | 1990 |
| Edmund Murphy, Oliver Plunkett and the Popish Plot | Gibney, John, 1976- | Article in Journal | | 2004 |
| Education in ancient and medieval Ireland | McGrath, Fergal | Monograph or Collective Volume | Studies, Special Publication | 1979 |
| Edward Blayney | Burns, Michael | Article in Journal | | 2013 |
| Elizabeth's Irish wars | Falls, Cyril Bentham | Monograph or Collective Volume | Methuen | 1950 |
| Elizabethan England : being the history of this country 'in relation to all foreign princes'. From original manuscripts, many hitherto unpublished; co-ordinated with 16th century printed matter ranging from royal proclamations to broadside ballads. A survey of life and literature ... | Tenison, E. M. | Monograph or Collective Volume | | 1933 |
| Elizabethan Ireland : a selection of writings by Elizabethan writers on Ireland | | Monograph or Collective Volume | Archon Books | 1983 |
| Elizabethan water bailiffs on the Shannon and the 'Athlone boats' | Murtagh, Harman | Article in Journal | | 1978 |
| England in the Tudor state | Ellis, Steven G., 1950- | Article in Journal | | 1983 |
| English cartographers and the mapping of Ireland in the early modern period | Klein, Bernhard | Article in Journal | | 1995 |
| English, Irish and Scottish firearms makers ... from the middle of the 16th century to the end of the 19th century. | Carey, A. M. | Monograph or Collective Volume | | 1967 |
| Englishmen in sixteenth-century Irish annals | Cunningham, BernadetteGillespie, Raymond | Article in Journal | | 1990 |
| Episcopal comments on the Decreta pro recto regimine ecclesiarum hiberniae, 1635-36 | | Article in Journal | | 1964 |
| Excavations at Grand Parade, Cork, II | Hurley, M. F. | Article in Journal | | 1990 |
| Excavations in Carrickfergus, County Antrim, 1972-79 | Dickson, A.Simpson, M. L. | Article in Journal | | 1981 |
| Extradition and treason-trial of a Gaelic lord : the case of Brian O'Rourke | Morgan, Hiram | Article in Journal | | 1987 |
| Faith, culture and sovereignty : Irish nationality and its development, 1558-1625 | Caball, Marc | Article in Book | | 1998 |
| Father and son : a story of contrasts [Conor and Donough O'Brien of Leamaneh] | O'Reilly, Una | Article in Journal | | 1980 |
| Father James Archer, S. J., 1550-1625(?) | Corboy, James | Article in Journal | | 1944 |
| Father John Colgan, O.F.M., his work and times and literary milieu | Mooney, Canice | Article in Book | | 1959 |
| Five seventeenth-century political poems | | Monograph or Collective Volume | | 1952 |
| Flattery rejected : two seventeenth-century Irish poems | | Article in Journal | | 1985 |
| Footsteps through Wicklow's past: a history of Wicklow town and its environs from the earliest times to the end of the civil war and beyond | Finlay, John | Monograph or Collective Volume | John Finlay | 2009 |
| Foras feasa ar Éirinn : the history of Ireland. 1 : The Introduction of the First Book of the History; 2 : The First Book of the History from Sect. XV to the End; 3 : The Second Book of the History; 4 : The Genealogies and Synchronisms with an index. 4 vols. | Keating, Geoffrey | Monograph or Collective Volume | | 1902 |
| Four post-medieval coin hoards from Ulster | Bateson, J. D. | Article in Journal | | 1976 |
| France, O Bruadair and Sir John Fitzgerald | Hartnett, Michael | Article in Journal | | 1989 |
| François Porter, franciscain irlandais à Rome (1632-1702) | Ceyssens, Lucien | Article in Book | | 1964 |
| Fresh light on Cromwell at Drogheda | Williams, Joseph Batterson [i.e. Muddiman, Joseph George] | Article in Journal | | 1912 |
| From Bantry Bay to Leitrim : A journey in search of O'Sullivan Beare | Somerville-Large, Peter | Monograph or Collective Volume | Gollancz | 1980 |
| Funerals and society in early seventeenth-century Ireland | Gillespie, Raymond | Article in Journal | | 1985 |
| Galileo and Peter Lombard | McMullin, Ernan | Article in Journal | | 2007 |
| Galileo Galilei, Robert Bellarmine and Peter Lombard | McMullin, Ernan | Article in Book | | 2010 |
| Galway merchants in the outside world, 1650-1800 | Cullen, L. M. (Louis Michael) | Article in Book | | 1984 |
| Gender, violence and rebellion in Tudor and early Stuart Ireland | Palmer, William | Article in Journal | | 1992 |
| Geography and government in Elizabethan Ireland | Andrews, J. H. (John Harwood) | Article in Book | | 1970 |
| Geology in Ireland Before 1812 : A bibliographical outline | Davies, G. L. H. | Article in Journal | | 1978 |
| George Carew's Irish maps | O'Sullivan, William, 1921-2000 | Article in Journal | | 1983 |
| George Monck and the controversial catholic truce of 1649 | Casway, J. I. | Article in Journal | | 1976 |
| George Montgomery the first bishop of the established church in Derry | Meehan, Helen | Article in Journal | | 2011 |
| Gerald Fenell, doctor and politican (?-1665) | Logan, P. L. | Article in Journal | | 1960 |
| Going to the wars : experience of the British civil wars, 1638-1651 | Carlton, Charles Hope | Monograph or Collective Volume | | 1992 |
| Government printing and the publication of the Irish statutes in the sixteenth century | Quinn, D. B. (David Beers) | Article in Journal | | 1943 |
| Granuaile : the life and times of Grace O'Malley c. 1530-1603 | Chambers, A. | Monograph or Collective Volume | Wolfhound Press | 1979 |
| Great Britain's Solomon : James VI and I in his three kingdoms | Lee, Maurice, jr. | Monograph or Collective Volume | | 1990 |
| Griffith Williams, bishop of Ossory (1641-72) | Bolton, G. | Article in Journal | | 1984 |
| Guide to documents of Irish and British interest in Fondo Borghese, ser. 1 | | Article in Journal | | 1961 |
| Happenings in Dublin, A.D. 1646 | Tyrrell, Alma Brooke | Article in Journal | | 1968 |
| Hartlib, Dury and Comenius. Gleanings from Hartlib's papers | Turnbull, G. H. | Monograph or Collective Volume | | 1947 |
| Harvest crises in early 17th-century Ireland | Gillespie, Raymond | Article in Journal | | 1984 |
| Hell or Connaught! the Cromwellian colonisation of Ireland, 1652-1660 | Ellis, Peter Berresford, 1943- | Monograph or Collective Volume | Hamish Hamilton | 1975 |
| Henry O'Neill and the formation of the Irish regiment in the Netherlands, 1605 | Casway, Jerrold | Article in Journal | | 1973 |
| Heraldry in St Peter's R.C. Church, West Street, Drogheda | Bellew, Séamus | Article in Journal | | 2014 |
| Hibernia Dominicana | Burke, Thomas, O.P., bishop of Ossory, c.1709-1776 | Monograph or Collective Volume | | 1762 |
| Hibernia Dominicana : Supplementum | Burke, Thomas, O.P., bishop of Ossory, c.1709-1776 | Monograph or Collective Volume | | 1772 |
| His majesties directions the ordering and settling the courts within his kingdom of Ireland, 1622 : presented by G.J. Hand and V.W. Treadwell | Anonymous | Article in Journal | | 1970 |
| Historic buildings, groups of buildings, areas of architectural importance in Rathfriland and Hilltown | Rankin, P. J. | Monograph or Collective Volume | Ulster Architectural Heritage Society | 1979 |
| History of Drogheda up to date | Hughes, Anne | Monograph or Collective Volume | Old Drogheda Society | 2003 |
| Hugh McCaghwell, O.F.M., archbishop of Armagh : aspects of his life | Giblin, Cathaldus | Article in Journal | | 1985 |
| Hugh O'Neill and the nine years' war in Tudor Ireland | Morgan, Hiram | Article in Journal | | 1993 |
| Hugh O'Neill the Great | Falls, Cyril Bentham | Article in Journal | | 1963 |
| Ibernia Ignatiana seu Ibernorum Societatis Iesu patrum monumenta collecta secundum annorum ordinem distributa, notis illustrata, et scionum elogiis quota a P. Edmundo Hogan, 1 (1540-1607) | Hogan, Edmund | Monograph or Collective Volume | NA | 1880 |
| Images of Ireland, 1170-1600 : the origins of English imperialism | Gillingham, John | Article in Journal | | 1987 |
| Imeacht na nIarlaí | Ó Cianáin, Tadhg, c.1575-1610 | Monograph or Collective Volume | | 1972 |
| Imperialism old and new | Brady, Alexander | Article in Journal | | 1947 |
| In defense of the constitution? The nature of Irish revolt in the seventeenth century | Canny, Nicholas P. | Article in Book | | 1991 |
| In search of the old Irish Poor Law | Dickson, David | Article in Book | | 1988 |
| Index to Kilmore diocesan wills | | Monograph or Collective Volume | [s.n.] | 1975 |
| Information, media and power through the ages | | Monograph or Collective Volume | University College Dublin Press | 2001 |
| Information, media and power through the ages : Historical Studies XXII | | Monograph or Collective Volume | University College Dublin Press | 2001 |
| Ireland and Scotland : the seventeenth-century legacies compared | Mitchison, Rosalind | Article in Book | | 1983 |
| Ireland and Scotland, 1638-1648 | Perceval-Maxwell, Michael | Article in Book | | 1990 |
| Ireland and the general crisis | Clarke, Aidan | Article in Journal | | 1970 |
| Ireland in the age of the Tudors : the destruction of Hiberno-Norman civilization | Edwards, R. W. D. (Robert Walter Dudley) | Monograph or Collective Volume | | 1977 |
| Ireland in the seventeenth century, or the Irish massacres of 1641-2, their causes and results. 2 vols. | Hickson, Mary | Monograph or Collective Volume | | 1884 |
| Ireland to the settlement of Ulster | Dunlop, Robert | Article in Book | | 1904 |
| Ireland under Elizabeth and James the first, described by Edmund Spenser, by Sir John Davies, ... and by Fynes Moryson | | Monograph or Collective Volume | | 1890 |
| 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 Tudors : with a succinct account of the earlier history. 3 vols. | Bagwell, Richard | Monograph or Collective Volume | Longmans, Green | 1885 (v. I & II)
1890 (v. III) |
| Ireland's first papal nuncio | Corish, Patrick J. | Article in Journal | | 1954 |
| Irish and Spanish cultural and political relations in the work of O'Sullivan Beare | Carroll, Clare | Article in Book | | 1999 |
| Irish annals as a source for maritime history AD 1400-1600 | Flanagan, L. N. W. | Article in Book | | 1988 |
| Irish artists and their portraiture | Crookshank, Anne | Article in Journal | | 1969 |
| Irish Catholic admissions to the English inns of court, 1558-1625 | Cregan, Donal F. | Article in Journal | | 1970 |
| Irish entrants to the Congregation of the Mission, 1625-60: prosopography and sources | Forrestal, Alison | Article in Journal | | 2009 |
| Irish exiles in Catholic Europe | Giblin, Cathaldus | Monograph or Collective Volume | Gill | 1971 |
| Irish hall-marks on gold and silver | Company of Goldsmiths of Dublin | Monograph or Collective Volume | | 1972 |
| Irish history from contemporary sources (1509-1610) | | Monograph or Collective Volume | | 1923 |
| Irish history without the potato | Cullen, L. M. (Louis Michael) | Article in Journal | | 1968 |
| Irish land and the English Civil War 1641-8 | MacCormack, John R. | Article in Journal | | 1959 |
| Irish levies for the army of Sweden, 1609-10 | Bourke, E. | Article in Journal | | 1918 |
| Irish links with Santa Maria dell'Anima in Rome | Ó Fearghail, Fearghus | Article in Journal | | 2009 |
| Irish material in the Augustinian General Archives, Rome, 1354-1624 | | Article in Journal | | 1956 |
| Irish medieval figure sculpture, 1200-1600 : a study of Irish tombs with notes on costume and armour | Harbison, PeterHunt, John | Monograph or Collective Volume | Irish University Press | 1974 |
| Irish medieval swords, c.1170-1600 | Halpin, Andrew | Article in Journal | | 1986 |
| Irish military community in Spanish Flanders, 1586-1621 | Henry, Gráinne | Monograph or Collective Volume | | 1992 |
| Irish nationalism and British democracy | Strauss, E. | Monograph or Collective Volume | Methuen | 1951 |
| Irish patent rolls of James I | | Monograph or Collective Volume | Stationery Office for the Irish Manuscripts Commission | 1966 |
| Irish patent rolls of James I : facsimile of the Irish Record Commission's Calendar | | Monograph or Collective Volume | | 1966 |
| Irish poets, historians, and judges in English documents, 1538-1615 | | Article in Journal | | 1921 |
| Irish privateers during the Civil War, 1642-1650 | Ohlmeyer, Jane H. | Article in Journal | | 1990 |
| Irish recusant lawyers during the reign of Charles I | Ohlmeyer, Jane H. | Article in Book | | 2001 |
| Irish recusant lawyers in politics in the reign of James I | Cregan, Donal F. | Article in Journal | | 1970 |
| Irish revenues and English subventions, 1559-1622 | Sheehan, A. J. (Anthony J.) | Article in Journal | | 1990 |
| Irish settlement in Tyrone before the Ulster plantation | Robinson, Philip S. | Article in Journal | | 1976 |
| Irish students ordained in Rome (1625-1710) | Egan, Bartholomew, OFMGiblin, CathaldusMcGrath, Cuthbert | Article in Journal | | 1943 |
| Irish swordsmen in Flanders, 1586-1610. 1, Stanley's regiment, 1586-1587; 2, Independent Irish companies and the regiment of Henry O'Neill. | Jennings, Brendan | Article in Journal | | 1948 |
| Irish towns in a period of change 1558-1625 | Sheenan, Anthony | Article in Book | | 1986 |
| Irish towns in a period of change, 1558-1625 | Sheehan, A. J. (Anthony J.) | Article in Book | | 1986 |
| Irish undercurrents of the politics of April 1653 | Barber, Sarah | Article in Journal | | 1992 |
| Irishmen and Scots on the private stage of Mildmay Fane | Morton, G. W. | Article in Journal | | 1987 |
| 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 |
| Is tórmach ceatha: Dáibhí Ó Bruadair a chum, 1693. | Ó Murchú, Liam P. | Article in Book | | 2019 |
| Is urchra chian dom iad in athrú slí: dán neamhfhoilsithe a chum Dáibhí Ó Bruadair 1692. | Ó Murchú, Liam P. | Article in Book | | 2013 |
| Jacobean Waterford : religion and politics, 1603-1625 | Byrne, Cornelius John | Thesis | | 2002 |
| James Archer and the Jesuit mission to Ireland, 1597-1602 | Morrissey, Thomas | Thesis | | 1970 |
| 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 II : a study in kingship. | Miller, John | Monograph or Collective Volume | | 1989 |
| James our true king : the ideology of Irish royalism in the seventeenth century | Ó Buachalla, Breandán | Article in Book | | 1993 |
| James VI and I | Lockyer, Roger Walter | Monograph or Collective Volume | Addison Wesley Longman | 1998 |
| James VI and I, the Church of Scotland, and British ecclesiastical convergence | Macdonald, Alan R., 1969- | Article in Journal | | 2005 |
| James VI, James I and the identity of Britain | Wormald, Jenny | Article in Book | | 1996 |
| Janet Marward, 1562-1629 | Walsh, Paul, Revd, 1885-1941 | Article in Journal | | 1936 |
| Jesuit Finances in Restoration Ireland: a relational network analysis | Foerster, Martin
| Article in Journal | | 2021 |
| John Bradley's research on Anglo-Norman Ireland | O'Connor, Kieran | Article in Journal | | 2016 |
| John Callaghan and the controversies among the Irish in Paris, 1648-54 | Corish, Patrick J. | Article in Journal | | 1954 |
| John Daniel of Daresbury, 1544-1610 | Chesters, Geoffrey | Article in Journal | | 1967 |
| John Howe : chaplain to Lord Masserene at Antrim castle, 1671-7 | Carson, J. T. | Article in Journal | | 1977 |
| John Milton's student, Richard Barry : a biographical note | Taaffe, J. G. | Article in Journal | | 1962 |
| John Norden's maps of Ireland | Andrews, J. H. (John Harwood) | Article in Journal | | 2000 |
| Joseph Savory of Montpellier and his descendants | Savory, D. L. | Article in Journal | | 1947 |
| 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 |
| Justin MacCarthy, Lord Mountcashel : commander of the first Irish brigade in France | Murphy, John A. | Monograph or Collective Volume | Cork University Press | 1959 |
| Knocknashee - an unusual Bronze Age Hilltop Settlement in south Co. Sligo | Boutoille, LindaBrandherm, DirkKahlert, ThorstenMcSparron, Cormac | Article in Journal | | 2021 |
| L'évolution politique de l'Angleterre moderne, 1485-1660 | Braure, MauriceCahen, Lëon | Monograph or Collective Volume | | 1960 |
| La missione di Sir Kenelm Digby all corte di Innocenze X, 1645-1648 | Gabrieli, V. | Article in Book | | 1954 |
| La révolte irlandaise (1641-1650) | Sturdy, D. J. | Article in Journal | | 1978 |
| Land and people, c.1600 | Butlin, Robin Alan | Article in Book | | 1976 |
| Land ownership in east Waterford, 1640-1703 | Carroll, J. S. | Article in Journal | | 1979 |
| Land use in medieval Ireland : a review of the documentary evidence | Jäger, H. | Article in Journal | | 1983 |
| Land values, land ownership and population patterns in County Tipperary for 1641-60 and 1841-50 : some comparisons | Smyth, W. J. (William John), 1944- | Article in Book | | 1980 |
| Landed society and the Interregnum in Ireland and Scotland | Gillespie, Raymond | Article in Book | | 1988 |
| Later relations between the Primate Peter Lombard and Hugh O'Neill | Silke, John J. | Article in Journal | | 1955 |
| Latin learning and Irish physicians, c.1350-c.1610 | Harris, Jason | Article in Book | | 2016 |
| Laurence Hyde, 1st earl of Rochester (new creation), K.G. (1640-71) | Biggs-Davison, John | Article in Book | | 1952 |
| 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 |
| Letter-book of Sir Arthur Chichester, 1612-1614 | | Article in Journal | | 1938 |
| Letter-book of the earl of Clanricarde : 1643-47 | | Monograph or Collective Volume | | 1983 |
| 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 patent to Sir Edward Blaney, dated 18 June 1612 | Coyle, Michael | Article in Journal | | 1979 |
| Life and death in Medieval Gaelic Ireland: the skeletons from Ballyhanna, Co. Donegal | McKenzie, Catriona JMurphy, Eileen M. | Monograph or Collective Volume | Four Courts press | 2018 |
| Life of Blessed Oliver Plunkett, archbishop of Armagh (1625-1681) | Stokes, John F. B. | Monograph or Collective Volume | Catholic Truth Society | 1954 |
| Lisburn's charter of 1662 | Corken, William Sinclair | Article in Journal | | 1995 |
| Literature and national identity | McEachern, Claire | Article in Book | | 2002 |
| Little Jennings and fighting Dick Talbot : a life of the duke and duchess of Tyrconnel. 2 vols. | Sergeant, P. W. | Monograph or Collective Volume | | 1913 |
| Logistics and supply in Cromwell's conquest of Ireland | Wheeler, James Scott | Article in Book | | 1991 |
| Long shadow cast before : nine lives in Ulster, 1625-1977 | Brett, Charles Edward Bainbridge, Sir, 1928-2005 | Monograph or Collective Volume | Bartholomew | 1978 |
| Long Shadows Cast Before : Nine Lives in Ulster, 1625-1977 | Brett, Charles Edward Bainbridge, Sir, 1928-2005 | Monograph or Collective Volume | Bartholomew | 1978 |
| Lord Deputy Chichester and the English government's "mandates policy" in Ireland, 1605-1607 | McCavitt, John | Article in Journal | | 1991 |
| Lost worlds : history and religion in the poetry of Dáibhí Ó Bruadair | Cunningham, BernadetteGillespie, Raymond | Article in Book | | 2001 |
| 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 |
| Manor Courts of Donegal in the early nineteenth century | Blair, Raymond | Article in Journal | | 2020 |
| Manuscripts and illuminations, 1169-1603 | Henry, Françoise, 1902-1982Marsh-Micheli, G. | Article in Book | | 1987 |
| Map of Ireland, about 1600 | Boazio, Baptista | Monograph or Collective Volume | British Museum | 1938 |
| Maps of the escheated counties in Ireland, 1609 | | Monograph or Collective Volume | | 1861 |
| 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 |
| Martyrdom | Tait, Clodagh | Article in Book | | 2023 |
| Mary Stuart O'Donnell | Casway, Jerrold | Article in Journal | | 1987 |
| Mathias Springham, 1561-1620 | Ferguson, W. S. | Article in Journal | | 1972 |
| Matters relating to the indictments of 'the fugitive earls and their principal adherents' | Harris, F. W. | Article in Journal | | 1983 |
| Maypoles on the 'Road to Richhill' and beyond | Williams, Fionnuala Carson | Article in Journal | | 2011 |
| Meal and money : the harvest crisis of 1621-1624 and the Irish economy | Gillespie, Raymond | Article in Book | | 1989 |
| Medical services in the armies of the confederate wars (1641-52) | Logan, Patrick | Article in Journal | | 1959 |
| Medieval Anglo-Irish coins | Dolley, Michael | Monograph or Collective Volume | | 1972 |
| Medieval hospital system in Breifne | Logan, Patrick | Article in Journal | | 1970 |
| Medieval hospital system in Breifne | Logan, Patrick | Article in Journal | | 1970 |
| Medieval regionalism in north County Kerry : concepts and criteria | O'Connor, P. J. | Article in Journal | | 1988 |
| Memoir of the Most Rev. Oliver Plunket, archbishop of Armagh, and Primate of all Ireland, who suffered death for the Catholic faith in the year 1681 | | Monograph or Collective Volume | | 1861 |
| Memoir of the Most Rev. Oliver Plunkett, archbishop of Armagh | Plunkett, Oliver, bishop and saint, 1625-1681
| Monograph or Collective Volume | [s.n.] | 1895 |
| Memoirs of his own life and times. By Sir James Turner. MDCXXXII-MDCLXX. From the original manuscript | Turner, James, Sir
| Monograph or Collective Volume | | 1829 |
| Memorial inscriptions with Kildare connections | Cantwell, Brian J. | Article in Journal | | 1985 |
| Memorial inscriptions, county Kildare | Cantwell, Brian J. | Article in Journal | | 1985 |
| Mercenaires irlandais au service de la France, 1635-64 | Gouhier, P. | Article in Journal | | 1968 |
| Metamorphosis 1603 : dán le hEochaidh Ó hEodhasa | | Article in Journal | | 1978 |
| Metra Miscellanea | Baron, Bonaventure | Monograph or Collective Volume | | 1645 |
| Military operations in county Louth in the run-up to Cromwell's storming of Drogheda | O'Sullivan, Harold | Article in Journal | | 1990 |
| Miscellanea Vaticano-Hibernica | | Article in Journal | | 1917 |
| Miscellaneous documents : 2, 1625-40 | | Article in Journal | | 1949 |
| Mo cheithre rainn duit, a Dhonnchaidh : advice to a prince by Tadhg (mac Dáire) Mac Bruaideadha | Nic Cárthaigh, Emma | Article in Book | | 2015 |
| Monarchy and the Government in Britain, 1603-1637 | Brown, Keith M. | Article in Book | | 2008 |
| Monasteries and manuscripts : the transmission of Latin learning in early medieval Ireland | O'Loughlin, Thomas | Article in Book | | 2001 |
| Money of necessity issued in Ireland in the reign of Charles I | Smith, Aquilla | Article in Journal | | 1860 |
| Montrose's Irish regiments | O'Danachair, Caoimhín | Article in Journal | | 1959 |
| Montrose's Irish regiments | Ó Danachair, Caoimhín, 1913-2002 | Article in Journal | | 1959 |
| Monument to Sir Thomas Cusack | Hickey, Elizabeth | Article in Journal | | 1971 |
| More light on Cromwell at Drogheda : a rejoinder to Dr. Murray | Williams, Joseph Batterson [i.e. Muddiman, Joseph George] | Article in Journal | | 1913 |
| Mountjoy : Elizabethan general | Falls, Cyril Bentham | Monograph or Collective Volume | Odhams P. | 1955 |
| Mountjoy Fort and Mountjoy Castle | Fee, AidanMayes, Frank | Article in Journal | | 2010 |
| Mountjoy, 1563-1606 : the last Elizabethan deputy | Jones, F. M. | Monograph or Collective Volume | Clonmore & Reynolds | 1958 |
| Mythical and local landscapes : Dáibhí Ó Bruadair's 'Iomdha sgéimh' ar chur na cluana | Griffin-Wilson, Margo | Article in Journal | | 2007 |
| Na Stíobhartaigh agus an taos léinn : Cing Séamas | Ó Buachalla, Breandán | Article in Journal | | 1983 |
| Natives and newcomers in Mayo, 1560-1603 | Cunningham, Bernadette | Article in Book | | 1987 |
| Naval activity on Lough Neagh, 1558-1603 | Morton, R. G. | Article in Journal | | 1968 |
| Neill Garve : English ally and victim | Falls, Cyril Bentham | Article in Journal | | 1949 |
| Neptune on the Temple Hill | Butler, Katherine | Article in Journal | | 1985 |
| New light on the family of Blessed Oliver Plunkett | Moran, Anne | Article in Journal | | 1959 |
| New Light on the Old Side : Irish Influences on Colonial Presbyterianism | Nybakken, Elizabeth I. | Article in Journal | | 1982 |
| Nomadry in medieval Ireland : the origins of the creaght or caoraigheacht | Simms, Katharine | Article in Journal | | 1986 |
| Notes on the Irish coins of James I | Smith, Aquilla | Article in Journal | | 1879 |
| Notes. Miscellaneous stones of various origins in Limerick City and County | Murphy, Charlotte | Article in Journal | | 2014 |
| Nunziatura in Irlanda | Aiazzi, Giuseppe | Monograph or Collective Volume | | 1844 |
| O'Mellan's account of the battle of Benburb, 1646 | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Book | | 1947 |
| O'Neill & Ormond : a chapter in Irish history | Coffey, Diarmid | Monograph or Collective Volume | | 1914 |
| 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 |
| 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 |
| Occupations noted on some north Wicklow memorials | Cantwell, Brian J. | Article in Journal | | 1986 |
| Occupations noted on some south and west Wexford memorials | Cantwell, Brian J. | Article in Journal | | 1986 |
| Oilibhéar Pluincéid | Ó Fiaich, Tomás | Monograph or Collective Volume | Foilseacháin Ábhair Spioradálta | 1976 |
| Oireachtas library, list of outlaws, 1641-7 | | Article in Journal | | 1966 |
| Olibhéar Naomhtha Pluincéid | Ó Ciarghusa, S. | Article in Journal | | 1939 |
| Oliver : the story of the martyred archbishop of Armagh written for boys and girls | Gaffney, H. M. | Monograph or Collective Volume | Gill | 1946 |
| Oliver Cromwell, 1658-1958. | Hill, Christopher, 1912-2003 | Monograph or Collective Volume | | 1984 |
| Oliver Cromwells Irlandpolitik | Berbig, H. J. | Article in Journal | | 1984 |
| Oliver Plunket and the Popish Plot | Brady, John, d.1963 | Article in Journal | | 1958 |
| Oliver Plunkett, 1 : Ireland's new saint | Ó Fiaich, Tomás | Monograph or Collective Volume | Veritas | 1975 |
| Oliver Plunkett, 2 : In his own words | Forristal, Desmond | Monograph or Collective Volume | Veritas | 1975 |
| Oliver Plunkett, Francis Mac Donnell, O.F.M., and the mission to the Hebrides | Giblin, Cathaldus | Article in Journal | | 1975 |
| Oliver Plunkett, part I : Ireland's new saint; part II : in his own words | Forristal, DesmondÓ Fiaich, Tomás | Monograph or Collective Volume | Our Sunday Visitor by arrangement with Veritas Publications (Dublin) | 1975 |
| On our own ground : county Wexford parish by parish volume 3 | Culleton, Edward | Monograph or Collective Volume | Wexford County Council Library Service | 2020 |
| 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 |
| Once more Kinsale | Boyle, Alexander | Article in Journal | | 1965 |
| Operations of the parliamentary squadron at the siege of Duncannon in 1645 | Powell, J. R. | Article in Journal | | 1954 |
| 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 of King's County : the King's County and Uí Failghe | Walsh, Paul, Revd, 1885-1941 | Article in Journal | | 1938 |
| Our man in Rome : Peter Lombard, agent of the University of Louvain, at the grand theatre of European politics, 1598-1612 | Boute, Bruno | Article in Book | | 2010 |
| Our men in Scotland : the Gaelic Irish nobility and the Scottish Renaissance court, c.1400-c.1600 | Egan, Simon | Article in Book | | 2024 |
| 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, AidanEdwards, R. W. D. (Robert Walter Dudley) | Article in Book | | 1976 |
| Papal privileges for Ulster churches, 1608 | Mac Cuarta, Brian | Article in Journal | | 2008 |
| Papers of Anthony Gearnon, O.F.M. | | Article in Journal | | 1964 |
| Parochial development in the rural deanery of Skreen | Otway-Ruthven, Annette Jocelyn, 1909-1989 | Article in Journal | | 1964 |
| Patrick Sarsfield | Curtayne, Alice | Monograph or Collective Volume | | 1934 |
| Patronage and purchase in the Irish standing army under Thomas Wentworth, earl of Strafford, 1632-1640 | Hardacre, P. H. | Article in Journal | | 1989 |
| Penn's attempt to relieve Youghal, 1645 | Powell, J. R. | Article in Journal | | 1954 |
| Penn's expedition to Bonratty in 1646 | Powell, J. R. | Article in Journal | | 1954 |
| Peter Lombard (1554-1625), prelate, politician, pragmatist | Smith, David | Article in Journal | | 2000 |
| Peter Walsh and the remonstrance | Mulrean, B. | Article in Journal | | 1946 |
| Planning the Plantation - background and early days | Fee, Aidan | Article in Journal | | 2010 |
| Plot and counterplot in Elizabethan Ireland | Butler, W. J. | Article in Journal | | 1926 |
| Poetry and revolution : an anthology of British and Irish verse, 1625-1660 | | Monograph or Collective Volume | Clarendon Press | 1998 |
| Poets and politics : continuity and reaction in Irish poetry, 1558-1625 | Caball, Marc | Monograph or Collective Volume | Cork University Press in association with Field Day | 1998 |
| Political change, society and the impact of the Great War in County Clare: a regional study of change and revolution in Ireland | McCarthy, Daniel J. | Thesis | | 2000 |
| Politics in Early Stuart Britain, 1603-1640 | Smith, David L. (David Lawrence), 1963- | Article in Book | | 2003 |
| Politika Kromvelia v Irlandii 1649-1650 godov | Semenov, V. | Article in Journal | | 1945 |
| Preaching in medieval Ireland : the Irish tradition | Murdoch, Brian | Article in Book | | 2001 |
| Primate Lombard and James I | Silke, John J. | Article in Journal | | 1955 |
| Property, patronage and population - re-constructing the human geography of mid-seventeenth century Tipperary | Smyth, W. J. (William John), 1944- | Article in Book | | 1985 |
| Purgatory re-visited : the historical context of Ó Bruadair | Irwin, Liam | Article in Book | | 2001 |
| Quakerism and the Cromwellian army in Ireland | Carrol, K. L. | Article in Journal | | 1978 |
| Queries concerning the lawfulnesse of the present cessation | Walsh, Peter | Monograph or Collective Volume | | 1648 |
| Race, language and social class in seventeenth-century Ireland | Morris, Lawrence P. | Article in Journal | | 2007 |
| Raleigh's Ireland | Canny, Nicholas P. | Article in Book | | 1987 |
| Reading dislocation and emotion in the writings of Alice Thornton, Ann Fanshawe, and Barbara Blaugdone | Fogarty, Anne | Chapter in Book | | 2019 |
| Recusancy and the Dublin Stanyhursts | Lennon, Colm | Article in Journal | | 1975 |
| Registers of the church of St Michan [Dublin] ... 1636-1700. 2 vols. | | Monograph or Collective Volume | | 1907 |
| Religious persecution in the Diocese of Ferns. 1558-1625 | O Suilleabhain, D. B. | Article in Journal | | 1948 |
| Representation of houses on some Irish maps | Ó Danachair, Caoimhín, 1913-2002 | Article in Book | | 1969 |
| Riaghuil Threas Uird S. Froinsias | Conny, Bernard | Monograph or Collective Volume | NA | 1641 |
| Richard Boyle and the making of an Irish fortune, 1588-1614 | Ranger, Terence Osborn | Article in Journal | | 1956 |
| Richard Dobbs' notes for his description of County Antrim, 1683 | Irvine, James | Article in Journal | | 1979 |
| Richard Stanihurst (1547-1618) and Old English identity | Lennon, Colm | Article in Journal | | 1978 |
| Richard Stanihurst the Dubliner 1547-1618 : a biography with a Stanihurst text on Ireland's past | Lennon, Colm | Monograph or Collective Volume | Irish Academic Press | 1981 |
| Richard Talbot, earl of Tyrconnell (1630-91) and the Catholic counter-revolution | McGuire, James | Article in Book | | 1989 |
| 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 |
| Saint Oliver of Armagh : the life of St Oliver Plunkett | Ó Fiaich, Tomás | Monograph or Collective Volume | Veritas | 1981 |
| Saint Oliver Plunkett | Meagher, John | Monograph or Collective Volume | Irish Messenger Publications | 1977 |
| Saint Oliver Plunkett 1625-1681 | Hanly, John J. | Article in Book | | 2001 |
| Saint Oliver Plunkett : journey to sainthood | Burns, Tommy | Monograph or Collective Volume | The author | 2014 |
| Saint Oliver Plunkett and Downside | Murphy, Martin | Monograph or Collective Volume | Downside Abbey | 1975 |
| Saint Oliver Plunkett and the diocese of Raphoe | Ó Fiaich, Tomás | Article in Journal | | 1975 |
| 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 Scotch-Irish contributions to early American life and culture | Lehmann, W. C. | Monograph or Collective Volume | Kennikat Press | 1978 |
| Securing the Jacobean succession : the secret career of James Fullerton of Trinity College Dublin | Edwards, David, 1963- | Article in Book | | 2007 |
| Serpent-salve, 1643 : the royalism of John Bramhall | Sanderson, John | Article in Journal | | 1974 |
| Seven Irish documents from the Inchiquin archives | | Article in Journal | | 1970 |
| Seventeen letters from James I and council of England to the lord deputy and council of Ireland, 1605-7 | | Article in Book | | 1772 |
| Seventeenth-century English radicals and Ireland | Hill, Christopher, 1912-2003 | Article in Book | | 1985 |
| Seventeenth-century regal visitations | Phair, P. B. | Article in Journal | | 1979 |
| Shakespeare was Irish? | Nugent, Brian | Monograph or Collective Volume | Brian Nugent | 2008 |
| Shakespeare, Spenser, and the matter of Britain | Hadfield, Andrew | Monograph or Collective Volume | Palgrave Macmillan | 2004 |
| Short-title catalogue of books printed in England, Scotland, Ireland, Wales, and British America, and of English books printed in other countries, 1641-1700. 3 vols. | Wing, D. G. | Monograph or Collective Volume | | 1945 |
| Sidley, Sir Ralph | Lambert, G. W. | Article in Journal | | 1945 |
| Silencing Irish Ulster : official depictions of plantation-era Ulster during the reign of James I, c. 1608-25 | Heffernan, David | Article in Book | | 2025 |
| Silver coins of Charles I (1625-49) found at Scurlockstown, Trim | Kenny, Michael | Article in Journal | | 1994 |
| Sint-Truiden : Irish Franciscan documents | | Article in Journal | | 1963 |
| Sir Arthur Chichester "owner of Dungannon" | Ó Conluain, Proinsias | Article in Journal | | 1997 |
| Sir Arthur Chichester : Lord deputy of Ireland, 1605-1616 | McCavitt, John | Monograph or Collective Volume | Queen's University of Belfast, Institute of Irish Studies | 1998 |
| Sir George Rawdon : one of the horns against the kirk in the seventeenth century | Bailie, W. D. | Article in Journal | | 1984 |
| Sir Hans Sloane, founder of the British Museum : legend and lineage | Sloan, W. R. | Monograph or Collective Volume | | 1981 |
| 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 Davies, the ancient constitution and civil law | Pawlisch, H. S. | Article in Journal | | 1980 |
| Sir Niall Garbh O'Donnell and the rebellion of Sir Cahir O'Doherty | Ó Domhnaill, N. G. | Article in Journal | | 1942 |
| Sir Thomas Phillips of Hammersmith and Limavady | Phillips, Frank | Article in Journal | | 1986 |
| Sir Walter Raleigh | Winton, John | Monograph or Collective Volume | | 1975 |
| Sir William Petty as Kerry ironmaster | Barnard, T. C. (Toby Christopher) | Article in Journal | | 1982 |
| Sixteenth-century Ulster and the failure of Tudor reform | Brady, Ciarán | Article in Book | | 1989 |
| Soldiers of Christ : the Knight's Hospitaller and the Knights Templar in medieval Ireland | | Monograph or Collective Volume | Four Courts | 2015 |
| Some aspects of the wars in Ireland, 1641-9 | Lowe, John | Article in Journal | | 1959 |
| Some documents on Irish law and custom in the sixteenth century | Nicholls, K. W. (Kenneth W.) | Article in Journal | | 1970 |
| Some Irish Cistercian documents | | Article in Journal | | 1913 |
| Some nineteenth century documentation on the parish of Tamlaght | | Article in Journal | | 1984 |
| Some notes towards a history of the womenfolk of the Wild Geese | Walsh, Micheline | Article in Journal | | 1961 |
| Some Ó Néill country maps 1575-1602 | Ó Conluain, Proinsias | Article in Journal | | 1987 |
| Some unpublished letters of Mateo de Oviedo, archbishop of Dublin | | Article in Journal | | 1955 |
| Speeches of Oliver Cromwell | | Monograph or Collective Volume | | 1989 |
| Spenser and the Munster officials | Judson, A. C. | Article in Journal | | 1947 |
| St Oliver Plunkett, Francis Macdonnell, O.F.M., and the mission to the Hebrides | Giblin, Cathaldus | Article in Journal | | 1974 |
| St. Oliver Plunkett : Deo Gratias | Burns, Thomas | Monograph or Collective Volume | Tommy Burns | 2000 |
| St. Patrick's day 1628 in Witham, Essex | Aylmer, Gerald Edward, 1926-2000 | Article in Journal | | 1973 |
| Staging Ireland : representations in Shakespeare and Renaissance drama | O'Neill, Stephen, 1973- | Monograph or Collective Volume | Four Courts | 2007 |
| 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 |
| Studies in Irish Cistercian history : 1, The Irish Cistercians under the Tudors, 1539-1603 | Ó Conbhuidhe, C. | Article in Journal | | 1965 |
| Surveys of Ireland in the seventeenth century | McLaughlin, P. J. | Article in Journal | | 1950 |
| Tadgh O'Daly and Sir George Carew | O'Sullivan, Anne | Article in Journal | | 1971 |
| Tercentenary of Owen Roe O'Neill | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Journal | | 1949 |
| Thadeus Moriarty, O.P., 1603-1653 | Valkenburg, Augustine | Article in Journal | | 1982 |
| The "Antrim plot" of 1641 : a myth? | Ohlmeyer, Jane H. | Article in Journal | | 1992 |
| The "heir designate" in early medieval Ireland | Mac Niocaill, Gearóid | Article in Journal | | 1968 |
| The 'Brevis relatio' of the Irish discalced Carmelites, 1625-70 | Browne, PaulGlynn, MarcellusMartin, F. X. (Francis Xavier), 1922-2000 | Article in Journal | | 1962 |
| The 'illegitimate sons' of Owen Roe O'Neil | Casway, J. I. | Article in Journal | | 1986 |
| The 'Irishes' in Scotland, 1644-7 | Roberts, Alasdair | Article in Journal | | 1984 |
| The 'strange humours' that drove the Scotch-Irish to America, 1729 | Green, E. R. R. | Article in Journal | | 1955 |
| The 1610 Cavan town charter: an introduction and transcription | | Article in Journal | | 2010 |
| 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 | Article in Book | | 1986 |
| The adoption of the Solemn League and Covenant by the Scots in Ulster | Perceval-Maxwell, Michael | Article in Journal | | 1978 |
| The Algerian attack on Baltimore, 1631 | Barnby, Henry | Article in Journal | | 1970 |
| The ancestry of St. Oliver Plunket : a genealogical puzzle | Barnwell, S. B. | Article in Journal | | 1977 |
| The Anglican world : problems of coexistence during the pontificates of Urban VIII and Innocent X (1623-1655) | Conway, Dominic | Article in Book | | 1972 |
| The Anglo-Norman community in Tipperary and Kilkenny in the Middle Ages : change and continuity | Empey, C. A. (Adrian) | Article in Book | | 1988 |
| The annals of Dudley Loftus | White, Newport B. | Article in Journal | | 1941 |
| The appointment of blessed Oliver Plunket to Armagh | Ó Fiaich, Tomás | Article in Journal | | 1958 |
| The archbishops of Armagh and Drogheda's 'faire house', 1613-1783 | Usher, Robin | Article in Journal | | 2020 |
| The architectural legacy of Sir Arthur Chichester's Plantation of Inishowen | Burke, Claire | Article in Journal | | 2017 |
| The Armagh manor court rolls, period 1625-1627 | Paterson, T. G. F. | Article in Journal | | 1957 |
| The army and politics in Ireland, 1625-30 | Clarke, Aidan | Article in Journal | | 1964 |
| The arrest of Oliver Plunkett | Brady, John, d.1963 | Article in Journal | | 1954 |
| The background to the civil wars in the Stuart kingdoms | Kenyon, John PhilippsOhlmeyer, Jane H. | Article in Book | | 1998 |
| The battle of Clones, 1643 | Ó Mórdha, Pilib | Article in Journal | | 1962 |
| The battle of Ross : a controversial military event | Miller, Amos Calvin | Article in Journal | | 1971 |
| The beginnings of English colonisation, 1569-1618 | Newton, Arthur Percival | Article in Book | | 1929 |
| The Belturbet Council and the election of March, 1650 | Casway, J. I. | Article in Journal | | 1986 |
| The Black Book of Limerick | | Monograph or Collective Volume | | 1907 |
| 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 breakdown of authority, 1640-41 | Clarke, Aidan | Article in Book | | 1976 |
| The brehons of later medieval Ireland | Simms, Katharine | Article in Book | | 1990 |
| The British background to the Irish Rebellion of 1641 | Russell, Conrad Sebastian Robert, 5th earl Russell, 1937-2004 | Article in Journal | | 1988 |
| The British empiricists : Locke, Berkeley, Hume | Ayer, Alfred Jules, Sir, 1910-1989Dunn, JohnUrmson, J. O. | Monograph or Collective Volume | | 1992 |
| The British problem and the English Civil War | Russell, Conrad Sebastian Robert, 5th earl Russell, 1937-2004 | Article in Journal | | 1986 |
| The Cambridge modern history, 4 : The thirty years' war | | Monograph or Collective Volume | | 1906 |
| The campaign of Red Hugh O'Donnell, 1 | Emerson, L. J. | Article in Journal | | 1960 |
| The campaign of the Irish royalist army in Cheshire, November 1643-January 1644 | Lowe, John | Article in Journal | | 1960 |
| The Caroline church : James Ussher and the Irish dimension | Capern, Amanda L. | Article in Journal | | 1996 |
| The Caroline tradition of the Church of Ireland, with particular reference to Bishop Jeremy Taylor | Bolton, F. R. | Monograph or Collective Volume | | 1958 |
| The castle of Castlereagh, Co. Down | McNeill, T. E. | Article in Journal | | 1987 |
| The Catholic Community in the Seventeenth and Eighteenth Centuries | Corish, Patrick J. | Monograph or Collective Volume | Ulster Historical Foundation | 2021 |
| The causes and course of the British Civil Wars | Morrill, John Stephen, 1946- | Article in Book | | 2001 |
| The causes of disease in the sixteenth century army | Stewart, David | Article in Journal | | 1949 |
| The causes of the English Civil War : a new analysis | Wedgwood, Cicely Veronica, Dame, 1910-1997 | Article in Journal | | 1955 |
| The Charles II charter | Butler, Hubert | Article in Journal | | 1977 |
| The Chester leather industry, 1558-1625 | Woodward, Donald | Article in Journal | | 1968 |
| The chronicle of Ireland, 1584-1608. By Sir James Perrott | | Monograph or Collective Volume | | 1933 |
| The chronicle of Ireland, 1584-1608. Edited by Herbert Wood | Perrot, James | Monograph or Collective Volume | | 1933 |
| The clandestine correspondence of Father Patrick Crelly, 1648-9 | Casway, Jerrold | Article in Journal | | 1978 |
| The clergy of Blessed Oliver Plunkett | Mac Phóil, Donnchadha | Article in Journal | | 1959 |
| The clergy of Oliver Plunkett | Mac Phóil, Donnchadha | Article in Journal | | 1984 |
| The clergy of Oliver Plunkett | Mac Phóil, Donnchadha ; Campbell, P. J. | Article in Journal | | 1986 |
| The clergy of Oliver Plunkett [part 5] | Campbell, Patrick J.Mac Phóil, Donnchadha | Article in Journal | | 1986 |
| The coarbs of Killaloe diocese | Gleeson, Dermot F. | Article in Journal | | 1949 |
| The Coleraine family of Longford | Mellor, A. S. | Article in Journal | | 1948 |
| The colonisation of Ulster, 2 pts. | Maxwell, Constantia | Article in Journal | | 1916 |
| The commission of 1609 : legal aspects | Harris, F. W. | Article in Journal | | 1980 |
| 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 confederation of Kilkenny | Cregan, Donal F. | Article in Book | | 1973 |
| The Confederation of Kilkenny | O'Doherty, J. F. | Article in Book | | 1937 |
| The Confederation of Kilkenny | Donelan, J. | Article in Book | | 1906 |
| The confederation of Kilkenny reviewed | Beckett, J. C. (James Camlin) | Article in Book | | 1959 |
| The constitutional position of the Irish military establishment from the Restoration to the Union : an introductory note | Hand, G. J. P. | Article in Journal | | 1968 |
| The Cork merchant community in the eighteenth century : a regional perspective | Dickson, David | Article in Book | | 1980 |
| The cost of the English Civil War | Pennington, D. H. | Article in Journal | | 1958 |
| The council book of the corporation of Drogheda Vol. 1 ... 1649 to 1734 | | Monograph or Collective Volume | | 1915 |
| The Counter-Reformation | Jones, F. M. | Monograph or Collective Volume | Gill | 1967 |
| 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 crisis of reform, 1625-60 | Gillespie, Raymond | Article in Book | | 2000 |
| 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 Ireland | Prendergast, J. P. (John Patrick), 1808-1893 | Monograph or Collective Volume | | 1865 |
| 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 death of Red Hugh O'Donnell | Mooney, Canice | Article in Journal | | 1954 |
| The demography of the Irish Quakers 1630-1830 | Eversley, D. E. C. | Article in Book | | 1982 |
| The Deramfield Hoard : English and Spanish Silver Coins Deposited during the Great Rebellion, 1641-53 | Kenny, Michael | Article in Journal | | 1982 |
| The development of Derry c.600-c.1600 | Lacy, Brian | Article in Book | | 1988 |
| The diocese of Elphin in 1637 | McGreevy, John | Article in Journal | | 1988 |
| The domestic packets between Great Britain and Ireland, 1635-1840 | Salt, Denis | Monograph or Collective Volume | | 1991 |
| The Dominicans of Mullingar, 1237-1610 | Fenning, Hugh | Article in Journal | | 1964 |
| The Dublin Fusiliers | MacCauley, J. A. | Article in Journal | | 1964 |
| The duties of Coarb and Erenach | Barry, J. G. | Article in Journal | | 1960 |
| The earl of Antrim and the first Bishops' War | Clarke, Aidan | Article in Journal | | 1963 |
| The earl of Strafford and the arts | Wedgwood, Cicely Veronica, Dame, 1910-1997 | Article in Journal | | 1961 |
| 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 early life of Sir William Brereton, the parliamentary commander | Dore, R. N. | Article in Journal | | 1954 |
| The Early Stuarts | Ó hAnnracháin, Tadhg | Article in Book | | 2023 |
| The eleven years' tyranny of Charles I | Kearney, H. F. | Monograph or Collective Volume | | 1962 |
| The Elizabethan coinages for Ireland | Symonds, Henry | Article in Journal | | 1917 |
| The Elizabethan navy in Ireland, 1558-1603 | Glasgow, Tom, jr. | Article in Journal | | 1966 |
| The Elizabethan soldier in Ireland | Falls, Cyril Bentham | Article in Journal | | 1951 |
| The emergence of Londonderry c.1600-1625 : evidence from the surveys and maps | Margey, Annaleigh | Article in Book | | 2015 |
| The end of an era : Ulster and the outbreak of the 1641 rising | Gillespie, Raymond | Article in Book | | 1986 |
| The end of Gaelic Ulster : a thematic interpretation of events between 1534 and 1610 | Morgan, Hiram | Article in Journal | | 1988 |
| The English Civil War : Archbishop Ussher and his circle | Knox, R. B. | Article in Journal | | 1962 |
| The English revolution and Ireland, 1640-1660 | Manning, Brian | Article in Journal | | 1982 |
| The episcopal succession of Killaloe, A.D. 1317-1616 | Gleeson, Dermot F. | Article in Journal | | 1940 |
| The expansion of Elizabethan England | Rowse, Alfred Leslie, 1903-1997 | Monograph or Collective Volume | Macmillan | 1955 |
| The Expansion of Elizabethan England | Rowse, Alfred Leslie, 1903-1997 | Monograph or Collective Volume | | 1973 |
| The extant Ormonde pistoles and double pistoles of 1646 | Brady, G.Seaby, W. A. | Article in Journal | | 1976 |
| The extent of Coarb and Erenach in Gaelic Ulster | Barry, J. G. | Article in Journal | | 1960 |
| The fall and return of John Macmoyer | Ó Fiaich, Tomás | Article in Journal | | 1958 |
| The Fall of the British Monarchies, 1637-1642 | Russell, Conrad Sebastian Robert, 5th earl Russell, 1937-2004 | Monograph or Collective Volume | NA | 1991 |
| The first duke : an introduction to the Charles II-charter | Irwin, Liam | Article in Journal | | 1977 |
| The first pilgrims | Quinn, D. B. (David Beers) | Article in Journal | | 1966 |
| The fishing ventures of Nicholas Weston of Dublin : a note on commercial contact between Ireland and Newfoundland in the sixteenth century | Appleby, John C. | Article in Journal | | 1986 |
| The flight of the earls | Ó Cianáin, Tadhg, c.1575-1610 | Monograph or Collective Volume | | 1916 |
| The flight of the earls | Boyle, Alexander | Article in Journal | | 1955 |
| The flight of the earls, 1607 | Canny, Nicholas P. | Article in Journal | | 1971 |
| The forebears of Doctor William James MacNevin | Egan, Patrick K. | Article in Book | | 1980 |
| The fortune of Thomas Wentworth, earl of Strafford | Cooper, John Phillips | Article in Journal | | 1958 |
| The Franciscan houses of Thomond in 1616 | Ryan, Martin | Article in Journal | | 1967 |
| The Genesis of John Speed's Maps of Battles in England and Ireland | Goffart, Walter | Article in Journal | | 2004 |
| The geography and practice of English colonisation in Ireland from 1534 to 1609 | Loeber, Rolf | Monograph or Collective Volume | | 1991 |
| The Geraldines : an experiment in Irish government, 1169-1601 | Fitzgerald, Brian | Monograph or Collective Volume | Staples | 1951 |
| The Glamorgan mission to Ireland, 1645-6 | Lowe, John | Article in Journal | | 1964 |
| The government of Wentworth, 1632-40 | Clarke, Aidan | Article in Book | | 1976 |
| The Graces, 1625-41 | Clarke, Aidan | Monograph or Collective Volume | | 1968 |
| The great instauration : science, medicine and reform, 1626-1660 | Webster, Charles, 1936- | Monograph or Collective Volume | NA | 1975 |
| The greatest gerrymander in Irish history? James I's 40 boroughs of 1612-13 | Potter, Matthew | Article in Journal | | 2013 |
| The historical annals of Maolín Óg Mac Bruaideadha, 1588-1603 | Cunningham, Bernadette | Article in Journal | | 1989 |
| The history of Poynings' Law, 1615-41 | Clarke, Aidan | 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 Irish confederation and the war in Ireland, 1641-1649. 7 vols. | | Monograph or Collective Volume | | 1882 |
| The House of Lords in the Irish parliament of 1613-15 | Treadwell, Victor | Article in Journal | | 1965 |
| The ideology of English colonization : from Ireland to America | Canny, Nicholas P. | Article in Book | | 1998 |
| The indictment of Fr. John Preston, Franciscan | | Article in Journal | | 1963 |
| The infantry of the confederate Leinster army, 1642-47 | Perry, Nicholas | Article in Journal | | 1983 |
| The Irish adventurers and the English Civil War | MacCormack, John R. | Article in Journal | | 1956 |
| The Irish and Jansenism in the seventeenth century | O'Leary, J. S. | Article in Book | | 1978 |
| The Irish background to Penn's experiment | Canny, Nicholas P. | Article in Book | | 1986 |
| The Irish Brigade with Montrose | Duggan, Lucy | Article in Journal | | 1958 |
| The Irish Catholic Confederacy and the Puritan Revolution | Coonan, T. L. | Monograph or Collective Volume | Clonmore & Reynolds | 1954 |
| The Irish Catholics and the Puritan revolution | Edwards, R. W. D. (Robert Walter Dudley) | Article in Book | | 1957 |
| The Irish court of wards under James I | Threadwell, Victor | Article in Journal | | 1960 |
| The Irish discalced Carmelites, 1625-53 | O'Mahony, Séamus Anthony | Thesis | | 1978 |
| The Irish executive and the crisis of 1848 | Linehan, D. C. | Article in Journal | | 1955 |
| The Irish Franciscans in Poland | Jennings, Brendan | Article in Journal | | 1957 |
| The Irish in Ipswich (1630-1700). | O'Dwyer, George F. | Article in Journal | | 1922 |
| The Irish in Uruguay and Paraguay | Murray, Edmundo | Article in Journal | | 2005 |
| 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 of 1689 | Preston, Christopher | Article in Journal | | 1948 |
| The Irish Parliament under Elizabeth and James I : a general survey | Moody, T. W. (Theodore William), 1907-1984 | Article in Journal | | 1939 |
| The Irish Peter Lombard | Silke, John J. | Article in Journal | | 1975 |
| 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 revenues of Oliver St John, Viscount Grandison for 1625-9 | Mac Cuarta, Brian | Article in Journal | | 2014 |
| The Irish surveys of Robert Lythe | Andrews, J. H. (John Harwood) | Article in Journal | | 1965 |
| The Irish Tercio and the Spanissh Army of Flanders, 1605-1620 | De Mesa, EduardoHazard, Benjamin | Article in Journal | | 2023 |
| The Irish tower house - a military view | Cairns, Conrad | Article in Journal | | 1991 |
| 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 John Ivory School, New Ross | Quane, Michael | Article in Journal | | 1950 |
| The kin of Blessed Oliver Plunkett | Brady, J. | Article in Journal | | 1945 |
| The king's serjeant at law in Tudor Ireland, 1485-1603 | Hart, A. R. | Article in Book | | 1990 |
| The last speech of Blessed Oliver Plunket | | Article in Journal | | 1947 |
| The last will and testament of Edward, 1st Viscount Conway and Killultagh (1564-1631) | Kerr, William | Article in Journal | | 1986 |
| The leaf and the tree : the story of an English family | Skottowe, P. F. | Monograph or Collective Volume | | 1963 |
| The letter-book of General de Zubiaur : a calendar of the 'Irish' letters | Coombes, JamesWare, N. J. | Article in Journal | | 1978 |
| The letters of Luke Wadding | Mooney, Canice | Article in Journal | | 1957 |
| The letters of Oliver Plunkett, 1625-81, archbishop of Armagh and primate of all Ireland | Hanly, JohnPlunkett, Oliver, bishop and saint, 1625-1681 | Monograph or Collective Volume | Dolmen Press | 1979 |
| 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 letters of St. Oliver Plunkett | | Monograph or Collective Volume | Dolmen Press | 1979 |
| The Levellers and the conquest of Ireland in 1649 | Carlin, Norah | Article in Journal | | 1987 |
| 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 lord deputyship of Sir Arthur Chichester in Ireland, 1605-16 | McCavitt, John | Thesis | | 1988 |
| The lord presidency of Munster, 1625-72 | Irwin, Liam | Thesis | | 1976 |
| The lords of Dublin in the age of reformation | Lennon, Colm | Monograph or Collective Volume | Irish Academic Press | 1989 |
| The lost archangel : a new view of Strafford | Wedgwood, Cicely Veronica, Dame, 1910-1997 | Article in Journal | | 1951 |
| The Lost Paradise : an account of the Jesuits in Paraguay, 1607-1768 | Caraman, Philip, 1911- | Monograph or Collective Volume | Sidgwick & Jackson | 1975 |
| The making of an O'Neill | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Journal | | 1970 |
| The making of the Irish Leviathan 1603-25 : statebuilding in Ireland during the reign of James VI and I | McLaughlin, Joseph | Article in Journal | | 2000 |
| The making of the Irish Leviathan, 1603-25: state-buiding in Ireland | McLaughlin, Joseph Michael | Thesis | | 1999 |
| The manor and castle of Powerscourt ... in the sixteenth century | Fitzgerald, Walter | Article in Journal | | 1909 |
| The manuscript transmission of Ó Bruadair's poetry | Ó Conchúir, Breandán | Article in Book | | 2001 |
| The maps of the escheated counties of Ulster, 1609-10 | Andrews, J. H. (John Harwood) | Article in Journal | | 1974 |
| The McClintock family : forbears of great Ulster field-marshals | Abbott, Wilfrid | Monograph or Collective Volume | | 1948 |
| The medical school of Aghmacart, Queen's County | Nic Dhonnchadha, Aoibheann | Article in Journal | | 2006 |
| The medieval priory of Saints Peter and Paul in Athlone | Conlan, Patrick, 1940- | Article in Book | | 1980 |
| The military and ministers as agents of presbyterian imperialism in England and Ireland, 1640-1648 | Furgol, E. M. | Article in Book | | 1982 |
| The mission of Rinuccini, nuncio extraordinary to Ireland, 1645-1649 | Hynes, Michael J. | Monograph or Collective Volume | | 1932 |
| 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 National Covenant in its British context, 1638-1651 | | Monograph or Collective Volume | | 1990 |
| The navy and civil war in Ireland, 1641-3 | Baumber, M. L. | Article in Journal | | 1971 |
| The new English in Europe, 1625-60 | Little, Patrick | Article in Book | | 2006 |
| The New Model Army and the problems of siege warfare, 1648-1651 | Burke, James | Article in Journal | | 1990 |
| The new model army in England, Ireland and Scotland, 1645-1653 | Gentles, Ian | Monograph or Collective Volume | Blackwell Publishers | 1991 |
| The non-subscribing presbyterian Church of Ireland : its heritage and ethos | McClachlan, H. J. | Article in Journal | | 1982 |
| The Ó Bruadair inheritance : some left a name behind them | O'Grady, Thomas B. | Article in Journal | | 2004 |
| The O Dugenan Crucifixion Plaque of 1671 at Fenagh, Co. Leitrim | Timoney, Martin A. | Article in Journal | | 2018 |
| The O'Brenans and the ancient territory of Hy-Duach | Murphy, Nicholas | Article in Journal | | 1879 |
| The O'Callaghans and the rebellion of 1641 | O'Callaghan, J. F. | Article in Journal | | 1990 |
| 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 obsidional money of the great rebellion (1642-9) | Nelson, Philip | Article in Journal | | 1905 |
| The Old English in Ireland, 1625-42 | Clarke, Aidan | Monograph or Collective Volume | Macgibbon & Kee | 1966 |
| The Old English in Ireland, 1625-42 | Clarke, Aidan | Thesis | | 1959 |
| The oldest map of Dublin | Andrews, J. H. (John Harwood) | Article in Journal | | 1983 |
| The Oldest Map of Dublin | Andrews, J. H. (John Harwood) | Article in Journal | | 1983 |
| The only gold coins issued in Ireland, 1646 | O'Sullivan, William, 1908-1992 | Article in Journal | | 1965 |
| The order of Carmel and the Blackrock Monastery | O'Neill, Monica | Article in Journal | | 1998 |
| The Origin and Elaboration of the Catalogus Praecipuorum Sanctorum Hiberniae Attributed to Fr. Henry Fitzsimon, S.J. | Sharpe, Richard | Article in Journal | | 1989 |
| The origins of the Scottish plantations in Ulster to 1625 : a reinterpretation | Hill, J. Michael | Article in Journal | | 1993 |
| The Pale and the Far North : government and society in two early Tudor Borderlands | Ellis, Steven G., 1950- | Monograph or Collective Volume | Officina Typographica for the National University of Ireland | 1988 |
| The papacy, catholic reform and Christian missions | Parker, T. M. | Article in Book | NA | 1968 |
| The persecuted primate | Ó Meachair, Liam S. | Article in Journal | | 1957 |
| The photography of Robert French from the Lawrence Collection (from the Jeffers Papers) | Walsh, T. J. | Article in Journal | | 2025 |
| The place of Oliver Plunket in history | Edwards, R. W. D. (Robert Walter Dudley) | Article in Book | | 1937 |
| The plantation of Leix and Offaly, 1556-1622 | Dunlop, Robert | Article in Journal | | 1891 |
| The plantations of Ulster | Clarke, Aidan | Article in Book | | 1986 |
| The policies of the 'Old English' in parliament, 1640-41 | Clarke, Aidan | Article in Book | | 1965 |
| The politics of Munster protestants, 1641-9 | Murphy, John A. | Article in Journal | | 1971 |
| The popular influence of Foras feasa ar Éirinn from the seventeenth to the nineteenth century | Morley, Vincent | Article in Book | | 2012 |
| The Presbyterian church in Ireland, 2. | Barkley, John M. | Article in Journal | | 1967 |
| The priesthood of St Oliver | Ó Fiaich, Tomás | Article in Journal | | 1975 |
| 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 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 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 Reformation in Ireland revisited | Bottigheimer, Karl S. | Article in Journal | | 1976 |
| The Reign of James VI and I : the Birth of Britain | Croft, Pauline | Article in Journal | | 2006 |
| The Renaissance fortifications at Dunboy castle, 1602 : a report of the 1989 excavations | Klingelhöfer, E. | Article in Journal | | 1992 |
| The rise of recusancy among the Dublin patricians, 1580-1613 | Lennon, Colm | Article in Book | | 1989 |
| The rise of the linen industry | Crawford, W. H. (William Henry) | Article in Book | | 1969 |
| The Road to the View : On the Decline of Reform Thought in Tudor Ireland | Brady, Ciarán | Article in Book | | 1989 |
| The road-books and itineraries of Ireland, 1647-1850 | Fordham, H. G., Sir | Article in Journal | | 1923 |
| The royal visitation of Dublin, 1615 | | Article in Journal | | 1941 |
| The Rt. Hon. Edmund Burke (1729-97) : a basis for a pedigree | O'Connell, Basil | Article in Journal | | 1956 |
| The sack of Cashel, 1647 | Murphy, John A. | Article in Journal | | 1965 |
| The Scottish migration to Ulster in the reign of James I | Perceval-Maxwell, Michael | Monograph or Collective Volume | Routledge & Kegan Paul | 1990 |
| The settler population of an Ulster plantation county | Hunter, R. J. (Robert J.) | Article in Journal | | 1972 |
| The seventeenth century Reliquary of St Oliver Plunkett at the Siena Convent, Drogheda | Bellew, Séamus | Article in Journal | | 2011 |
| The shaping of reform, 1558-1625 | Gillespie, Raymond | Article in Book | | 2000 |
| The shepherd of the ocean : an account of Sir Walter Raleigh and his times | Adamson, J. H.Folland, H. F. | Monograph or Collective Volume | | 1969 |
| The siege of Derry | Macrory, Patrick | Monograph or Collective Volume | Hodder and Stoughton | 1980 |
| The Sir Mathew de Renzi memorial in Athlone | English, Norman William | Article in Journal | | 1978 |
| The Six Mile Water revival of 1625 | Bailie, W. D. | Monograph or Collective Volume | | 1976 |
| The social and economic evolution of Kilkenny in the seventeenth and eighteenth centuries | Cullen, L. M. (Louis Michael) | Article in Book | | 1990 |
| The sojourn of the Ulster Earls at Louvain (November 1607 until February 1608) : movement, meetings and partings | McEvoy, James | Article in Journal | | 2008 |
| The spread of provincial printing in Ireland up to 1850 | Wheeler, W. Gordon | Article in Journal | | 1978 |
| The St. Werburgh Street Theater, Dublin | Dutton, Richard | Article in Book | | 2006 |
| The state of the realm : English military, political, and diplomatic responses to the flight of the earls, autumn 1607 to spring 1608 | Harris, F. W. | Article in Journal | | 1980 |
| The status of Coarb and Erenach | Barry, J. G. | Article in Journal | | 1960 |
| The status of the native Irish after 1331 | Murphy, Bryan | Article in Journal | | 1967 |
| The Stowe version of Táin Bó Cualinge | | Monograph or Collective Volume | | 1961 |
| The strange case of Bishop John Atherton | Winnett, Robert | Article in Journal | | 1988 |
| The strange letters of Mathew O'Hartegan, S.J., 1644-45 | Morrissey, Thomas J. | Article in Journal | | 1970 |
| The streets of Derry, 1625-2001 | Bryson, John G. | Monograph or Collective Volume | Guildhall | 2001 |
| The sword of light : from the Four Masters to Douglas Hyde, 1636-1938 | Ryan, Desmond | Monograph or Collective Volume | Barker | 1939 |
| The taking of the earl of Ormonde, 1600 | Jackson, Donald | Article in Journal | | 1975 |
| The Topos of the Single Sandal in Irish Tradition | Mac Cana, Proinsias | Article in Journal | | 1973 |
| The trade of Elizabethan Chester | Woodward, Donald | Monograph or Collective Volume | | 1970 |
| The transportation of Irish swordsmen to Sweden and Russia and plantation in Ilster (1609-1613) | Dunning, Chester S.L.Hudson, David R.C. | Article in Journal | | 2013 |
| The treatment of the native population under the scheme for the plantation in Ulster | Moody, T. W. (Theodore William), 1907-1984 | Article in Journal | | 1938 |
| The treaty of Mellifont and the reorganisation of Ulster, 1603 | Canny, Nicholas P. | Article in Journal | | 1969 |
| 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 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 Ulster Plantation on the Inishowen Peninsula: A Hiberno-British | Heffernan, David | Article in Journal | | 2024 |
| The Ulster rising of 1641, and the depositions | Perceval-Maxwell, Michael | Article in Journal | | 1978 |
| The uses of 23 October 1641 and Irish Protestant celebrations | Barnard, T. C. (Toby Christopher) | Article in Journal | | 1991 |
| The Ushers of Birr | Masters, J. M. | Article in Journal | | 1978 |
| The Voyage of Triall, 1606-7 : An Abortive Virginia Venture. | Quinn, D. B. (David Beers) | Article in Journal | | 1971 |
| The walls of Londonderry : the background in European military architecture | Scott, Brian G. | Article in Book | | 2015 |
| The wearing of the green | Ó Cuív, Brian | Article in Journal | | 1978 |
| The wedding poem as performance : "Cuirfead cluain ar chrobhaing ghealghall" | Griffin-Wilson, Margo | Article in Book | | 2001 |
| The wedding poems of Dáibhí Ó Bruadair | | Monograph or Collective Volume | | 2010 |
| The Wexford Catholic community in the later seventeenth century | Murphy, Celestine | Article in Book | | 1990 |
| The will and family of Hugh O'Neill, earl of Tyrone. With an appendix of genealogies. | | Monograph or Collective Volume | | 1939 |
| Theatre and empire : Great Britain on the London stages under James VI and I | Marshall, Tristan | Monograph or Collective Volume | Manchester University Press | 2000 |
| These my friends and forebears : the O'Briens of Dromoland | O'Brien, G. R. (Grania Rachel), 1928- | Monograph or Collective Volume | Ballinakella | 1991 |
| Thine is the kingdom : the trial for treason of Thomas Wentworth, earl of Strafford, first minister to King Charles I, and last hope of the English Crown | Timmis, J. H. | Monograph or Collective Volume | | 1974 |
| Thomas Butler, earl of Ormond (1531-1614) and reform in Tudor Ireland | Brady, Ciarán | Article in Book | | 1989 |
| Thomas Raven and the mapping of the Clandeboy estates, 1625 | Gillespie, Raymond | Article in Journal | | 1981 |
| Through Kerry, Cork and Limerick with Rinuccini (from The Capuchin Annual, 1964} | Walsh, T. J. | Article in Journal | | 2025 |
| Titled Elizabethans : a directory of Elizabethan state and church officers and knights, with peers of England, Scotland and Ireland, 1558-1603 | Kinney, Arthur F., 1933- | Monograph or Collective Volume | | 1973 |
| To Ulster's credit | Allen, Sam | Monograph or Collective Volume | | 1986 |
| Tobar Finnmhuighe-Slán Pádraig | Nicholls, K. W. (Kenneth W.) | Article in Journal | | 1967 |
| Torgovlia Irlandii v xvi-nachale xvii v | Osipova, T. S. | Article in Journal | | 1983 |
| 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 |
| Trinity at Charles II's restoration in 1660 : a loyal address | Barnard, T. C. (Toby Christopher) | Article in Journal | | 1969 |
| Triumph of the Laity : Scots-Irish Piety and the Great Awakening, 1625-1760 | Westerkamp, Marilyn J. | Monograph or Collective Volume | Oxford Univeristy Press | 1988 |
| Triumph of the laity : Scots-Irish piety and the Great Awakening, 1625-1760 | Westerkamp, Marilyn J. | Monograph or Collective Volume | | 1988 |
| Tuireamh na hÉireann | Ó Conaill, Seán | Article in Book | | 1952 |
| Turas na dTaoiseach nUltach as Éirinn = From Ráth Maoláin to Rome : Tadhg Ó Cianáin's contemporary narrative of the journey into exile of the Ulster chieftains and their followers, 1607-8 (The so-called 'Flight of the Earls') | Ó Cianáin, Tadhg, c.1575-1610 | Monograph or Collective Volume | Pontifical Irish College | 2007 |
| Two bardic themes : The Trinity in the Blessed Virgin's Womb and The rain of folly | Breeze, Andrew | Article in Journal | | 1991 |
| Two bishops of Killaloe and Irish freedom | Hogan, James | Article in Journal | | 1920 |
| Two contemporary historians of the confederation of Kilkenny : John Lynch and Richard O'Ferrall | Corish, Patrick J. | Article in Journal | | 1953 |
| Two notes on the parliament of 1634 | Clarke, AidanFenlon, Dermot | Article in Journal | | 1967 |
| Two Nugent manuscripts: the Nugent duanaire and Queen Elizabeth's primer | Ó Macháin, Pádraig | Article in Journal | | 2012 |
| Two Phelim O'Neills | Casway, J. I. | Article in Journal | | 1985 |
| Two poems by William Nugent | Ó Macháin, Pádraig | Article in Journal | | 2017 |
| Two reports on the Catholic Church in Ireland in the early seventeenth century | | Article in Journal | | 1959 |
| Two seventeenth-century houses at Linenhall Street, Londonderry | Lacy, Brian | Article in Journal | | 1981 |
| Two Uí Bhriain elegies unique to the O'Gara Manuscript | Ní Úrdail, Meidhbhín | Article in Book | | 2022 |
| Typographical antiquities : being an historical account of printing in England ... 1471-1600 ... Scotland and Ireland to the same time | Ames, Joseph | Monograph or Collective Volume | | 1749 |
| Ulster and other Irish maps, c.1600 | | Monograph or Collective Volume | Stationery Office for the Irish Manuscripts Commission | 1964 |
| Union and disunion in the British Isles 1637-1660 | Roots, Ivan | Article in Book | | 1981 |
| University representation; foreword by A.P. Herbert. Complete biographical index of university members by I. Grimble | Humberstone, T. L. | Monograph or Collective Volume | | 1951 |
| 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 |
| Waterford City : a history | Manning, Cian | Monograph or Collective Volume | History Press Ireland | 2019 |
| Wattle and straw mat doors in Ireland | Lucas, A. T. | Article in Journal | | 1956 |
| We left them home : the story of Our Lady's Hospice, Harold's Cross, Dublin, 1879-1979 | Butler, Katherine | Monograph or Collective Volume | Our Lady's Hospice | 1980 |
| Wentworth and the parliament of 1634 : an essay in chronology | Fenlon, D. B. | Article in Journal | | 1964 |
| West Highland mercenaries in Ireland | McKerral, Andrew, b. 1876 | Article in Journal | | 1951 |
| Westmeath bardic poetry | Ó Háinle, Cathal G. | Article in Book | Geography Publications | 2022 |
| Who succeeded Blessed Oliver Plunkett? | Ó Fiaich, Tomás | Article in Journal | | 1956 |
| Who will be Ireland's next canonised saint? : a study of Blessed Oliver Plunkett | Bastible, J. | Article in Journal | | 1939 |
| Why was Charles I executed? | Holmes, Clive | Monograph or Collective Volume | Hambledon | 2006 |
| Why was Oliver Plunket arrested? | Brady, John, d.1963 | Article in Journal | | 1955 |
| William Bathe, S.J. (1564-1614) | Kingston, John | Article in Journal | | 1954 |
| William Bathe, S.J., recusant scholar, 1564-1614 : 'weary of the heresy' | Ó Mathúna, S. P. | Article in Journal | | 1988 |
| William Edmundson 1627-1712, 'the great hammer of Ireland' : some new and little-known memorabilia | Edmundson, F. | Article in Journal | | 1953 |
| William Molyneux and the Spirit of Liberty in Eighteenth-Century Ireland | Kelly, Patrick | Article in Journal | | 1988 |
| William Petty and the 'double bottom' | Flood, D. T. | Article in Journal | | 1977 |
| Women and war in Ireland in the 1640s | O'Dowd, Mary | Article in Book | | 1991 |
| Women in Gaelic society during the age of transition | Simms, Katharine | Article in Book | | 1991 |
| Women ‘wild geese', 1585-1625 : Irish women and migration to European armies in the sixteenth and early seventeenth centuries | Henry, Gráinne | Article in Book | | 1995 |
| Zhelezom i kroviu : zavoevanie Kromvelem Irlandii | Pavlova, T. A. | Article in Journal | | 1980 |
| [Essay in review]. Triumph of the aristocrats? Two centuries of trade unionism | McDonnell, Brendan | Article in Journal | | 1995 |