| "A crime unparalleled": The Stapletons at Milford Cross | Kinsella, Shay | Article in Journal | | 2013 |
| "A dangerous man to be among the Irish" : Archbishop Richard Creagh & the early Irish counter-reformation | Lennon, Colm | Article in Journal | | 2000 |
| "A discourse of Ireland" (circa 1590) : a sidelight on English colonial policy | Quinn, D. B. (David Beers) | Article in Journal | | 1942 |
| "An Auncient Castle and Great Fortifications called Belanafadd" | Timoney, Martin A. | Article in Journal | | 2022 |
| "I was terribly frightened at times" : Irish men and women in the French Resistance and F Section of SOE, 1940-5 | Murphy, David (David James), 1968- | Article in Book | Four Courts Press | 2009 |
| "In a pure soil" : Colonial anxieties in the work of Francis Bacon | Irving, Sarah | Article in Journal | | 2006 |
| "Irlandois de nation" : Irish soldiers in Angers as an illustration of Franco-Irish relationships in the seventeenth and eighteenth centuries | Coudray, Pierre-Louis | Article in Book | Four Courts Press | 2009 |
| "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 |
| "Semper et ubique fidelis" | Martinez, Georges | Article in Book | Four Courts Press | 2009 |
| "Tumult of Images" : Wilde, Beardsley and 'Salome' | Gilbert, Elliot L. | Article in Journal | | 1982 |
| "Un brave de plus" : Theobald Wolfe Tone, alias Adjutant-General James Smith : French officer and Irish patriot adventurer | Kleinman, Sylvie | Article in Book | Four Courts Press | 2009 |
| "Un pueblo unido..." : the politics of Philip O'Sullivan Beare | Morgan, Hiram | Article in Book | Consejo Superior de Investigaciones Cientificas | 2002 |
| 'A Presentment of Recusants, East Galway, 1632' | Smyth, Michael | Article in Journal | | 2009 |
| 'A very sufficient scholar' | Ó hAodha, Ruairí | Article in Journal | | 2017 |
| 'Beathaíonn na Bráithre na Briathra' : the Louvain achievement | Mac Craith, Mícheál | Article in Journal | | 2008 |
| 'Ears stunned with the din of arms': Belfast volunteer sermons and James Magee | O'Connor, Michael | Article in Journal | | 2011 |
| 'Licentious barbarism' : Spenser's view of the Irish and The Faerie Queene | Cavanagh, Sheila T. | Article in Journal | | 1996 |
| 'Making Ireland Spanish' : the political writings of Philip O'Sullivan Beare | Morgan, Hiram | Article in Book | Cork University Press | 2009 |
| 'Not Christian, civil or human creatures, but heathen or rather savage and brute beasts' : Andrew Trollope and the 'reform' of Ireland in the 1580s | Heffernan, David | Article in Journal | | 2022 |
| 'Writing Irish history: the Four Masters and their world' | Meehan, Bernard | Article in Journal | | 2007 |
| A 'most vainglorious man' : the writings of Antonius Bruodin | McInerney, Luke | Article in Journal | | 2017 |
| A 1614-18 Londoner's glasshouse at Salterstown, Co. Derry? | Brannon, N. F. (Nick) | Article in Journal | | 1998 |
| A 1640 register of the Thomond Papers at Petworth House [with index] | McGrath, Bríd ; McInerney, Luke | Article in Journal | | 2021 |
| A Carrigaholt romance | De Bhaldraithe, Pádraig | Article in Journal | | 2004 |
| A Castleisland inventory, 1590 | O'Shea, K. | Article in Journal | | 1982 |
| A guide to the manuscript sources in TCD for the history of the library | Maxwell, Jane | Article in Book | | 2000 |
| A historian's legacy : the will of Philip O'Sullivan Beare (1590-1636) | Hernanz Elvira, Oscar | Article in Journal | | 2012 |
| A history of the British Isles | Black, Jeremy | Monograph or Collective Volume | Palgrave | 2003 |
| A hundred years of Irish migration to France, 1590-1688 | Ó Ciosáin, Éamon | Article in Book | | 2001 |
| A note on Roland de Burgo alias Burke, Bishop of Clonfert : and the monastery "De Portu Puro" at Clonfert | Blake, Martin J. | Article in Journal | | 1905 |
| A priest's will, Maynooth, Co. Kildare, 1604 | Mac Cuarta, Brian | Article in Journal | | 2013 |
| A rare Wexford Bookplate | Browne, Bernard | Article in Journal | | 2023 |
| A select chronology | Harpur, Isolde | Article in Book | | 2000 |
| A seventeenth-century Irish version of the rule of St. Clare : glossarial Index | | Article in Journal | | 1950 |
| A soldier's prescription for the governance of Ireland, 1599-1601 : Captain Thomas Lee and his tracts | McGurk, J. N. N. (John James Noel) | Article in Book | | 2011 |
| A sword from the battle of Orra | McDonnell, Hector | Article in Journal | | 1997 |
| A tourist's view of Killarney in 1810 | | Article in Journal | | 2000 |
| A Wexford couple on many stages | Trench, Brian | Article in Journal | | 2023 |
| An amazing discovery | Doyle, Eamon | Article in Journal | | 2023 |
| An army sent from God : Scots at war in Ireland, 1642-1649 | Gillespie, Raymond | Article in Book | | 1991 |
| An Irish Bollandus : Fr. Hugh Ward and the Louvain hagiographical enterprise | Breatnach, Pádraig A. | Article in Journal | | 1999 |
| Annals of Loch Cé. A chronicle of Irish affairs from AD 1014-c.1590. | | Monograph or Collective Volume | Longman | 1871 |
| Annals of Loch Cé: a chronicle of Irish affairs from A D 1014 to A D 1590 | | Monograph or Collective Volume | The Stationery Office [for the Irish Manuscripts Commission] | 1939 |
| Annals of Loch Cé: a chronicle of Irish affairs from A D 1014 to A D 1590 - volumes 1 & 2 | | Monograph or Collective Volume | De Búrca | 2000 |
| Anthony Trollope, English journalist and novelist, writing about the famine in Ireland | Knelman, Judith | Article in Journal | | 1988 |
| Aodh Mac Aingil (1571-1626) : theologian, prose stylist, and poet | Uí Laighléis, Gearóidín | Article in Book | | 2025 |
| Aodh Mac Aingil agus an scoil nua-Ghaedhilge i Lobháin | Ó Cléirigh, Tomás | Monograph or Collective Volume | Foillseacháin Rialtais | 1936 |
| Archbishop Adam Loftus : the first provost of Trinity College, Dublin | Robinson-Hammerstein, Helga | Article in Book | | 1998 |
| Augustinians and Scotists : the Irish contribution to Counter-Reformation theology in continental Europe | Downey, Declan M. | Article in Book | | 2002 |
| Between nations : Shakespeare, Spenser, Marvell, and the question of Britain | Baker, David J., 1957- | Monograph or Collective Volume | Stanford University Press | 1998 |
| Beyond faith and fatherland : "The appeal of the Catholics of Ireland", c.1623 | Redworth, Glyn | Article in Journal | | 1998 |
| Bruited abroad : John White and Thomas Harriot's colonial representations of ancient Britain | Hadfield, Andrew | Article in Book | | 2002 |
| Burncourt Castle excavations | Cleary, Rose M.McCarthy, MargaretMcClatchie, MerielMcCutcheon, Clare | Article in Journal | | 2008 |
| Calculating debt : the Irish statute Staple records | Ohlmeyer, Jane H. | Article in Journal | | 2000 |
| Carriglea : from country demesne to College of Art | Laffan, Moira | Monograph or Collective Volume | Foxrock Local History Club | 1987 |
| Castlehaven's Munster campaign of 1645 | McCarthy, Patrick | Article in Journal | | 2021 |
| Circe's cup : cultural transformations in early modern Ireland | Carroll, Clare | Monograph or Collective Volume | Cork University Press | 2001 |
| Conquest and English Legal Identity in Renaissance Ireland | Lockey, Brian, 1968- | Article in Journal | | 2004 |
| County Armagh : a map of plantation, c.1610 | Hunter, R. J. (Robert J.) | Article in Book | | 2001 |
| Courses and teaching in Trinity College, Dublin, during the first 200 years | McDowell, R. B. (Robert Brendan), 1913-2011Webb, D. A. | Article in Journal | | 1947 |
| Craggaunowen Castle | Breen, MartinUa Cróinín, Risteárd | Article in Journal | | 2015 |
| Croftus, sive de Hibernia liber | | Monograph or Collective Volume | Irish Manuscripts Commission | 1992 |
| 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 |
| Defining femininity : women and the country house | Arnold, Dana | Article in Book | | 1998 |
| Diaries of Ireland : an anthology, 1590-1987 | | Monograph or Collective Volume | Lilliput | 1998 |
| Diplomatic preparations for Kinsale | O'Connor, Thomas | Article in Book | | 2002 |
| Don Philip O'Sullivan Beare, historian | O'Donnell, Thomas J. | Article in Journal | | 1943 |
| Don Philip strikes back | Caulfield, David | Article in Book | | 2009 |
| Donegal: The Irish Revolution, 1912-23 | Travers, Pauric | Monograph or Collective Volume | Four Courts Press | 2022 |
| Drama, Ireland and the question of civility | Healy, Thomas | Article in Book | | 2003 |
| Edenvale abounds with nature | Neal, Joe | Article in Journal | | 2023 |
| Educating the colonial mind: Spenser and the plantation | Hadfield, Andrew | Article in Book | | 2012 |
| Éigse lár na hÉireann, 1500-1750 | Ó Háinle, Cathal | Monograph or Collective Volume | An Sagart | 1975 |
| Enforcing the English Reformation in Ireland : clerical resistance and political conflict in the Diocese of Dublin, 1534-1590 | Murray, James | Monograph or Collective Volume | Cambridge University Press | 2009 |
| España no escuchó la llamada de Irlanda : los irlandeses y la Gran Armada de 1588 | Gonzalez-Arnao Conde-Luque, Mariano | Article in Journal | | 1989 |
| Excavations of a medieval ringwork at Ballysimon, county Limerick | Collins, TracyCummins, Anthony | Monograph or Collective Volume | Aegis | 2001 |
| Exile, astrology and the Spanish Inquisition | O'Connor, Thomas | Article in Book | | 2013 |
| Faith, family and fortune : the structures of everyday life in early modern Cavan | Gillespie, Raymond | Article in Book | | 1995 |
| Father Kennedy : patriot priest of Boolavogue | Kennedy, Patrick | Monograph or Collective Volume | Veritas | 1988 |
| Finis Galliae : ascendancy drama, Burnell to O'Keeffe | Wheatley, Christopher J. | Article in Journal | | 1997 |
| Florence Conry, the Flight of the Earls, and native-Catholic militancy | Casway, Jerrold | Article in Journal | | 2011 |
| Fr John Martin : an Augustinian friar and the Irish rebellion of 1798 | Keogh, Dáire | Article in Journal | | 1988 |
| Franco-Irish military connections, 1590-1945 | | Monograph or Collective Volume | Four Courts | 2009 |
| From policy to power : the evolution of Tudor reform strategies in sixteenth-century Ireland | Brady, Ciaran | Article in Book | | 2011 |
| Full circle with Heaney | Mooney, Tom | Article in Journal | | 2023 |
| Fynes Moryson : traveller | Waterhouse, Gilbert | Article in Journal | | 1945 |
| Genealogiae regum et sanctorum Hiberniae by the Four Masters | Four Masters | Monograph or Collective Volume | Record Society, St. Patrick's College | 1918 |
| Gleanings from the Shournagh | Sheehan, Tim | Article in Journal | | 2013 |
| Gounod and the gods : Audience behaviour in Irish theatres 1840-1900 | McAllister, Nuala | Article in Book | | 2001 |
| Guests of France : a description of the Invalides with an account of the Irish in that institution | Ó hAnnracháin, Eoghan | Article in Book | | 2009 |
| Henry Fitzsimon, the Irish Jesuits and Catholic identity in the early modern period | Jackson, Brian | Article in Book | | 2013 |
| Hibernia pacata et castellata | McNeill, T. E. | Article in Journal | | 2003 |
| Hidden by 1688 and after : Irish Catholic migration to France, 1590-1685 | Ó Ciosáin, Éamon | Article in Book | | 2010 |
| Honour, comradeship and betrayal : Lord Capel’s sword | Tomback, David H. | Article in Journal | NA | 2019 |
| I Henry IV : metatheatrical Britain | Greenfield, Matthew | Article in Book | | 2002 |
| Imeacht Na nIarlaí : The Flight of the Earls, 1607-2007 | Hegarty, Roddy | Monograph or Collective Volume | Cardinal Tomás Ó Fiaich Memorial Library and Archive, | 2009 |
| Introduction | Liddiard, Robert | Article in Book | | 2003 |
| Introduction | Cunningham, Bernadette | Article in Book | | 2007 |
| Introduction | Hay, MarnieKeogh, Daire | Article in Book | | 2016 |
| Inventing the British Republic : Richard Beacon's Solon His Follie (1594) and the Rhetoric of Civilization | Orr, D. Alan | Article in Journal | | 2008 |
| Investigations at the site of the Battle of the Yellow Ford | Logue, PaulO'Neill, James, | Article in Book | | 2010 |
| Ireland and the English Reformation : state reform and clerical resistance in the diocese of Dublin, 1534-1590 | Murray, James | Monograph or Collective Volume | Cambridge University Press | 2009 |
| Irish and Spanish cultural and political relations in the work of O'Sullivan Beare | Carroll, Clare | Article in Book | | 1999 |
| Irish impressions of the French during World War One | Pierce, Siobhan | Article in Book | | 2009 |
| Irish political activity in Spain during the restoration | Pérez Tostado, Igor | Article in Book | | 2006 |
| Irish records of the Nine Years' War : a brief survey, with particular notice of the relationship between Beatha Aodha Ruaidh Uí Dhomhnaill and the Annals of the Four Masters | Breatnach, Pádraig A. | Article in Book | | 2002 |
| Irish Romance : Spenser's Prince Arthur and The Hystorye of Olyuer of Castylle (c. 1518) | Herron, Thomas, 1968- | Article in Journal | | 2004 |
| Irish soldiers and regiments in the French service before 1690 | Ó Ciosáin, Éamon | Article in Book | | 2009 |
| Irish-language sources for Irish Catholic identity since the early modern period : a brief survey | Ó Ciardha, Éamonn | Article in Book | | 2013 |
| Irishmen, aristocrats, and other white barbarians | Shuger, Debora Kuller, 1953- | Article in Journal | | 1997 |
| Is there a Promontory Fort hiding at the top of Parnell Street, Wexford? | Murphy, Reiltín | Article in Journal | | 2023 |
| Jewish and Catholic Irish Relations : The Glasgow Waterfront c.1880-1914 | Kenefick, William | Article in Journal | | 2006 |
| Joan Desmond, Ormond and Ossory. The world of a countess in sixteenth-century Ireland | Holland, Karen | Thesis | | 1985 |
| John Burke (De Burgh), archbishop of Tuam, 1647-1667 | Claffey, Tony | Article in Journal | | 2014 |
| L'Irlande religieuse à l'époque de l'Édit de Nantes, ou le refus ambigu de la diversité | Whelan, Ruth | Article in Book | | 2000 |
| Laoiseach mac an Bhaird and the politics of close reading | McKibben, Sarah | Article in Journal | | 2001 |
| List and analysis of state papers, foreign series : Elizabeth I, Vol. 1 : August 1589-90 | | Monograph or Collective Volume | | 1964 |
| Luke Wadding, the Irish Franciscans, and global Catholicism | NA | Monograph or Collective Volume | Routledge | 2020 |
| Measgra i gcuimhne Mhichíl Uí Chléirigh. Miscellany of historical and linguistic studies in honour of Brother Michael Ó Cléirigh, chief of the Four Masters, 1643-1943 | | Monograph or Collective Volume | Assisi Press | 1944 |
| Michael O'Cleary of the Four Masters | Harney, Martin P. | Article in Journal | | 1946 |
| Michael O'Clery | MacGreevy, Thomas | Article in Journal | | 1944 |
| Michael O'Clery | McNeely, W. | Article in Journal | | 1944 |
| Michael O'Clery, O.F.M., knight-errant of Irish history | Sheppard, Victor | Monograph or Collective Volume | Assisi Press | 1943 |
| Mícheál Ó Cléirigh and the Mac Aodhagáin school of law and history in Ormond | Cunningham, Bernadette | Article in Book | | 2007 |
| Mícheál Ó Cléirigh, his associates and St Anthony's College, Louvain | Jennings, BrendanMooney, CaniceO'Brien, FelimWalsh, Paul, Revd, 1885-1941 | Monograph or Collective Volume | Four Courts | 2008 |
| Monro's Benburb army, 1646 | Hollick, Clive L. C. | Article in Journal | | 1998 |
| Negotiating order in early seventeenth-century Ireland | Gillespie, Raymond | Article in Book | | 2001 |
| New on-line documentary on the Battle of Benburb | Gibney, John | Article in Journal | | 2022 |
| Nicholas Bagnall's castle at Newry, county Down | O'Neill, John | Article in Journal | | 2002 |
| Nun's Cross church, Co. Wicklow and its treasures, 1817-2017 | Butler, Patricia | Monograph or Collective Volume | Killiskey Select Vestry | 2016 |
| O curas hominum! The life and writings of Thomas Carve, alias Carew, 1590-c.1672 | McInerney, Luke | Article in Book | Four Courts Press | 2024 |
| Ó Domhnaill's inauguration, according to Pilib Ó Súilleabháin Bhéarra | Ó Canann, Tomás G. | Article in Journal | | 2007 |
| O'Clery's glossary and its forerunners | Knott, Eleanor | Article in Book | | 1944 |
| Of Irish descent : origin stories, genealogy and the politics of belonging | Nash, Catherine | Monograph or Collective Volume | Syracuse University Press | 2008 |
| Oilbhearus Hosé : máistir sgoile an Athar Aodha Mhac an Bhaird, OFM | Mac Craith, Cuidbeirt | Article in Book | | 1952 |
| On the language of the Irish New Testament of 1602 | Ó Corráin, Ailbhe | Article in Book | | 2013 |
| Orpheus in Ulster : Richard Bartlett's colonial art | Herron, Thomas, 1968- | Article in Book | | 2007 |
| Papermaking in Ireland in 1590 | Pollard, Mary | Article in Journal | | 1977 |
| Parnell's visit to Creggs and Roscommon | Kilcline, Helen | Article in Journal | | 1988 |
| Policy and propaganda in Hugh O'Neill's connection with Europe | Morgan, Hiram | Article in Book | | 2010 |
| Political change in New Ross, 1727-32 | Hayton, David | Article in Journal | | 2023 |
| Post-Roman Irish settlement in Wales : new insights from a recent study of Cardiganshire place-names | Wmffre, Iwan | Article in Book | | 2007 |
| Potatoes, poverty and the Irish peasantry: a history of the potato in the Irish diet, c.1590-1900 | O'Riordan, Thomás Anthony | Thesis | | 1998 |
| Preliminaries to the Massachusetts Bay colony : the Irish ventures of Emanuel Downing and John Winthrop | Loeber, Rolf | Article in Book | | 1998 |
| Profits and patriotism : Nicholas Weston, Old English merchants, and Ireland's Nine Years' War, 1594-1603 | Canning, Ruth A. | Article in Journal | | 2016 |
| Rebellion & revolution in Dublin : voices from a suburb, Rathfarnham, 1913-1923 | | Monograph or Collective Volume | South Dublin Libraries|South Dublin County Council | 2016 |
| Rebellion and revolution in Dublin : voices from a suburb : Rathfarnham, 1913-23 | | Monograph or Collective Volume | South Dublin County Council | 2016 |
| Recollecting Ireland’s flora: botanical information in the ‘Zoilomastix’ (c.1626) of Philip O’Sullivan Beare | Nelson, E. Charles | Article in Book | | 2022 |
| Red Hugh at Dundalk | Donnelly, Mowenna | Article in Journal | | 1957 |
| Red Hugh's first escape, from the Annals of the Four Masters, winter 1590, | Anonymous | Article in Journal | | 1991 |
| Remembering Mícheál Ó Cléirigh | Cunningham, Bernadette | Article in Book | | 2007 |
| Review article : Protestants, planters and apartheid in early modern Ireland | Canny, Nicholas P. | Article in Journal | | 1986 |
| Royalists, Covenanters, and the shooting of servants in the Scottish Civil War | Covington, Sarah | Article in Journal | | 2007 |
| Scoil Mhíchíl Uí Chlérigh : Mícheál Ó Cléirigh Summer Scool 2014 | | Monograph or Collective Volume | Mícheál Ó Cléirigh Summer Scool | 2015 |
| Select documents XL : An address to Aodh Ó Domhnaill in captivity, 1590 | | Article in Journal | | 1986 |
| Selections from the Zoilomastix of Philip O'Sullivan Beare | | Monograph or Collective Volume | The Stationery Office [for the Irish Manuscripts Commission] | 1960 |
| Seventeenth-century translations of the Rule of St Clare: Part I | Goodrich, JaimeGrealy, Faustina | Article in Journal | | 2019 |
| Sir Barnaby O'Brien's Irish revenues for 1629-31, Thomond rent, 1629, and Carlow tenants 1639; presented by Brian Mac Cuarta | Mac Cuarta, Brian | Article in Journal | | 2017 |
| Sir Frederick Hamilton (1590-1647), Leitrim planter | Rooney, Dominic | Article in Book | | 2019 |
| Sir Humphrey Gilbert and American colonization | Simmons, Richard C. | Article in Journal | | 1969 |
| Sir Piers Crosby, 1590-1646 : Wentworth's "tawney ribbon" | Clarke, Aidan | Article in Journal | | 1988 |
| Social and sexual politics in the Big House : Edith Somerville and Molly Keane | Kreilkamp, Vera | Article in Journal | | 1988 |
| Sorley Boy MacDonnell | Rogers, Frank | Article in Journal | | 2019 |
| Sorley Boy McDonnell's difficulties after the battle of Glentaisie | Dallat, Cathal | Article in Journal | | 2002 |
| Spenser and Ireland : the view from here | Maley, Willy | Article in Book | | 2005 |
| Spenser's Irish crisis : humanism and experience in the 1590's | Brady, CiaránCanny, Nicholas P. | Article in Journal | | 1988 |
| Spenser's Irish crisis : humanism and experience in the 1590s | Brady, Ciarán | Article in Journal | | 1986 |
| St Helen's : an 18th century house on Stillorgan Road | Laffan, Moira | Monograph or Collective Volume | Foxrock Local History Club | 1988 |
| Tacitus and the reform of Ireland in the 1590s | Hadfield, Andrew | Article in Book | | 2003 |
| The 'sacred hunger of ambitious minds' : Spenser's savage religion | Hadfield, Andrew | Article in Book | | 1996 |
| The Alphabet Book of Amos Lewis : An Elizabethan Calligraphic Manuscript Revealed | Lewis, Amos | Monograph or Collective Volume | John Adamson | 2024 |
| The ancestry of Edgar Allen Poe | Larmour, David | Article in Journal | | 1986 |
| The annals of Loch Cé | Walsh, Paul, Revd, 1885-1941 | Article in Journal | | 1940 |
| The annals of Loch Cé. A chronicle of Irish affairs from A.D. 1014 to A.D. 1590. | | Monograph or Collective Volume | | 1965 |
| The Annals of the Four Masters | Anonymous | Article in Journal | | 1991 |
| The autograph manuscripts of the Annals of the Four Masters | Ó Muraíle, Nollaig | Article in Journal | | 1987 |
| The Beatha in the context of the literature of the Renaissance | Mac Craith, Mícheál | Article in Book | | 2002 |
| The Book of Howth : Elizabethan conquest and the Old English | McGowan-Doyle, Valerie | Monograph or Collective Volume | Cork UP | 2011 |
| The book trade in southern Ireland, 1590-1640 | Gillespie, Raymond | Article in Book | | 1996 |
| The Capuchins in Ireland | Angelus, Father, OFMCap. | Article in Journal | | 1930 |
| The case of Phelim MacFeagh O'Byrne and the lands of Ranelagh | Price, Liam | Article in Journal | | 1943 |
| The Cavan inquisitions of 1588, 1590 and 1609 | Maguire, T. C. | Article in Journal | | 1991 |
| The civil wars experienced : Britain and Ireland, 1638-61 | Bennett, Martyn | Monograph or Collective Volume | Routledge | 2000 |
| The Clancys of Dartry and the Spanish connection | Glancy, Maria | Article in Journal | | 1996 |
| The complete prose works of Sir John Davies | Davies, JohnGrosart, A. B. | Monograph or Collective Volume | [s.n.] | 1869 |
| The construction of argument : Henry Fitzsimon, John Rider and religious controversy in Dublin, 1599-1614 | Jackson, Brian | Article in Book | | 2005 |
| The Court Book of Esker and Crumlin, 1592-1600 | Curtis, Edmund | Article in Journal | | 1930 |
| The development of the law of charities in Ireland | Delany, V. T. H. | Article in Journal | | 1955 |
| The diary of an Irish water bailiff, 1791-1809 | Macky, John, d.1809 | Monograph or Collective Volume | Ken Smith Publishing | 2008 |
| The Dingle Peninsula: History, Folklore, Archaeology | MacDonogh, Steve | Monograph or Collective Volume | Brandon Book Publishers Ltd | 1993 |
| The domestic and international roles of Irish overseas colleges, 1590-1800 | O'Connor, Thomas | Article in Book | | 2017 |
| The Dungiven costume | Farren, Aidan | Article in Journal | | 2014 |
| The early response to the Irish Catholic clergy and the co-operative movement | Kennedy, Liam, 1946- | Article in Book | | 1987 |
| The early-modern Irish college network in Iberia, 1590-1800 | O Connell, Patricia | Article in Book | | 2001 |
| The Elizabethan conquest of Ireland : the 1590s crisis | McGurk, J. N. N. (John James Noel) | Monograph or Collective Volume | Manchester University Press | 1997 |
| The end of an era: the auction of the contents of Johnstown Castle | Laurence, DuncanWheeler, Matt | Article in Journal | | 2023 |
| The end of O'Donnell power | Hunter, R. J. (Robert J.) | Article in Book | | 1995 |
| The faerie queene. 2 vols. | Spenser, Edmund | Monograph or Collective Volume | | 1590 |
| The flight of the earls, 1607 | McCavitt, John | Article in Journal | | 1994 |
| The French Invasion that never was : the Deuxième Bureau and the Irish republicans, 1900-4 | De Wiel, Jérome aan | Article in Book | | 2009 |
| The Gaelic lordship of west Bréifne : a strategic conundrum of the Elizabethan wars in Ireland | Kelly, Francis | Article in Book | | 2025 |
| The Hermitage : St Enda's and the haunting of Patrick Pearse | Crowley, Brian | Article in Book | | 2016 |
| The Irish and the Franco-Prussian war : hopes and disappointments | Julienne, Janick | Article in Book | | 2009 |
| The Irish College at Lisbon, 1590-1834 | O Connell, Patricia | Monograph or Collective Volume | Four Courts | 2001 |
| The Irish in Roanoke Island | McGinn, Brian | Article in Journal | | 1993 |
| The Irish Legion of Napoleon, 1803-15 | Dunne-Lynch, Nicholas | Article in Book | | 2009 |
| The Jacobites in the American War of Independence | Dromantin, Patrick Clarke de | Article in Book | | 2009 |
| The Jesuit urban mission in Ireland, c.1598–1650 | Lennon, Colm | Article in Book | | 2022 |
| The legal murder of Aodh Rua McMahon, 1590 | Mac Duinnshléibhe, Peadar [ Mac Doinnshléibhe, Peadar] | Article in Journal | | 1955 |
| The librarians of Trinity College | Fox, Peter | Article in Book | | 2000 |
| The library buildings up to 1970 | Grimes, Brendan | Article in Book | | 2000 |
| The life and times of Sir Frederick Hamilton, 1590-1647 : 'The Bragger' | Rooney, Dominic | Monograph or Collective Volume | Four Courts | 2013 |
| The Life of Thomas Lally | Greacen, Lavinia | Article in Book | | 2009 |
| The Lismore papers | Brady, Donal M. | Article in Journal | | 1986 |
| The MacDonnells of Antrim on the continent | Walsh, Micheline | Monograph or Collective Volume | National University of Ireland | 1960 |
| The manuscripts of the Annals of the Four Masters | Cunningham, Bernadette | Article in Journal | | 2007 |
| The Martyrology of Donegal : a calendar of the saints of Ireland | | Monograph or Collective Volume | Irish Archaeological & Celtic Society | 1864 |
| The Mayoman and his landscape, c. 1600 | Gillespie, Raymond | Article in Book | | 1986 |
| The natural history of Ireland : included in Book one of the Zoilomastix of Don Philip O'Sullivan Beare | O'Sullivan, Beare, Philip, 1590?-1660? | Monograph or Collective Volume | Cork University Press | 2009 |
| The Noble Revolt. The Overthrow of Charles I | Adamson, John Sonley Anthony | Monograph or Collective Volume | Weidenfeld and Nicolson | 2007 |
| The Ó Cleirigh manuscripts in context | Gillespie, Raymond | Article in Book | | 2007 |
| The O'Reillys of east Breifne and the problem of "Surrender and Regrant" | Brady, Ciaran F. | Article in Journal | | 1985 |
| The Origins and Interconnections of Three Eighteenth Century Landowners of the Barony of Demifore, Co. Meath | Palcic, Úna | Article in Journal | | 2024 |
| The priory of All Hallows and the Old College : archaeological investigations in Front Square, Trinity College Dublin | Simpson, Linzi | Article in Book | | 2013 |
| The protestant reformation in Ireland, 1590-1641 | Ford, Alan, 1956- | Monograph or Collective Volume | Four Courts | 1997 |
| The Protestant Reformation in Ireland, 1590-1641 | Ford, Alan, 1956- | Monograph or Collective Volume | | 1985 |
| The Protestant reformation in Ireland, c.1590-1641 | Ford, Alan, 1956- | Thesis | | |
| The Raleigh-Essex rivalry and 'Mother Hubberd's Tale' | Mount, Charles | Article in Journal | | 1950 |
| The rift within clan Ian Mor : the Antrim and Dunyreg MacDonnells, 1590-1603 | Hill, J. Michael | Article in Journal | | 1993 |
| The Scotic debate : Philip O'Sullivan Beare and his Tenebriomastix | Caulfield, David | Article in Book | | 2009 |
| The shamrock and the leek : the Irish in south Wales, Maesteg & district, mid Glamorgan, 1826-1985 | McCormack, Gerald | Monograph or Collective Volume | Gerald McCormack | 1996 |
| The shooting of Sergeant Brady | King, Seamus J. | Article in Journal | | 1986 |
| The social context of wartime Dublin | Daly, Mary E. | Article in Book | | 2016 |
| The Stone Circles of Cork and Kerry: With Analyses and Gazetteer | Meaden, Terence | Monograph or Collective Volume | New Generation Publishing | 2024 |
| The tánaiste and the 'crown prince problem' | McGinty, Matthew | Article in Book | | 2021 |
| The Tanner letters. Original documents and notices of Irish affairs in the sixteenth and seventeenth centuries. Extracted from the collection in the Bodleian Library, Oxford | | Monograph or Collective Volume | The Stationery Office [for the Irish Manuscripts Commission] | 1943 |
| The Tudor diocese of Dublin: episcopal, government, ecclesiastical plticas and the enforcement of the Reformation, 1534-1590 | Murray, James | Thesis | | 1997 |
| The urban community and the state 1590-1690 | O'Flaherty, Eamon | Article in Book | | 1995 |
| The Vestry Records of the Parish of St. John the Evangilist : Dublin, 1595-1658 | | Monograph or Collective Volume | Four Courts Press|The Representative Church Body Library | 2004 |
| The Walsingham letter book, or, register of Ireland, May, 1578 - December, 1579 | | Monograph or Collective Volume | The Stationery Office | 1959 |
| The Wild Geese in France : a French perspective | Genet-Rouffiac, Nathalie | Article in Book | | 2009 |
| The wild geese of the Antrim MacDonnells | McDonnell, Hector | Monograph or Collective Volume | Irish Academic Press | 1996 |
| The work of a winter | Walsh, Paul, Revd, 1885-1941 | Article in Journal | | 1938 |
| The writings of Michael Ó Cleirigh | Mooney, Canice | Article in Journal | | 1944 |
| There you are : writings on Irish and American literature and history | Cahill, ChristopherFlanagan, Thomas | Monograph or Collective Volume | New York Review of Books | 2004 |
| Theses and dissertations on British and Irish labour history, 2004 | Adeeb, YasminBoud, Fathi | Article in Journal | | 2005 |
| Thomas Drummond served his adopted country faithfully | Corish, Ray | Article in Journal | | 2023 |
| Three friars of Donegal | Ó Briain, Felim | Article in Book | | 1952 |
| To Shorten the Road | Gmelch, George (Essays and Biographies) | Monograph or Collective Volume | The O'Brien Press | 1978 |
| Total war? Revolutionary France and United Irish strategy in the 1790s | Gough, Hugh | Article in Book | | 2009 |
| Tradition and transformation : Florence Conry and the Irish literary community, c.1593-1658 | Hazard, Benjamin | Article in Book | NA | 2025 |
| Transcription and Translation of an Astronomical Fragment, written by Philip O'Sullivan Beare and appended to 'Zoilomastix' (c. 1626) | Tracey, Kevin David | Article in Journal | | 2023 |
| Travels of an Irish scholar : Michael Ó Cléirigh | Walsh, Paul, Revd, 1885-1941 | Article in Journal | | 1937 |
| Trinity College Dublin founded 1591 : thirty four drawings and descriptions | Jeffares, A. Norman (Alexander Norman), 1920-2005 | Monograph or Collective Volume | Alex Thom. | 1944 |
| Two classics from south Tipperary : Keating's 'Foras Feasa' and Kickham's 'Knocknagow' | Comerford, R.V. (Richard Vincent) | Article in Journal | | 2005 |
| Ulster transformed : essays on plantation and print culture c. 1590-1641 | Hunter, R. J. (Robert J.) | Monograph or Collective Volume | Ulster Historical Foundation | 2012 |
| Un soldat de fortune Irlandais au service des 'Acta Sanctorum' | Grosjean, Paul | Article in Journal | | 1963 |
| Une lettre de Philippe O'Sullivan Beare à Jean Bolland sur Saint Aidan | Joassart, Bernard | Article in Journal | | 1972 |
| Visualising the privileged status of motherhood : the commemoration of women in Irish funerary monuments c.1600 - c.1650 | Hoysted, Elaine | Article in Book | | 2016 |
| War and the Irish Town : The Early Modern Experience | Gillespie, Raymond | Article in Book | | 2001 |
| Was Red Hugh married? | O'Donnell, Vincent | Article in Journal | | 2001 |
| Waterford's iron exports and the 30 years war | Power, Thomas P. | Article in Journal | | 2001 |
| Well-being and community archaeology in Ireland | Greene, Sharon A.Jackman, Neil | Article in Journal | | 2023 |
| Wentworth and Dublin's Catholic clergy : a document from the Strafford Papers | O'Connor, Tim | Article in Journal | | 2005 |
| William Petty and the Iveragh Peninsula : three mysteries | Smyth, William J. | Article in Book | | 2009 |
| Woad in the 1580s : alternative agriculture in England and Ireland | Hoyle, Richard W. | Article in Book | | 2004 |
| Writing and society : literacy, print and politics in Britain 1590-1660 | Wheale, Nigel | Monograph or Collective Volume | Routledge | 1999 |
| Writing Irish history : the Four Masters and their world | | Monograph or Collective Volume | Wordwell | 2007 |
| Yeats, Shakespeare and Ireland | Nevo, Ruth | Article in Book | | 1991 |
| ‘Anthony Power his notes for reformation of Ireland unto Mr Secretary Walsingham’, 1573 | Power, Anthony | Article in Book | | 2016 |
| ‘For division of O’Rourke’s country’, 1591 | Merbury, John | Article in Book | | 2016 |
| ‘It is easier to forgive an enemy than to forgive a friend’: Barnaby FitzPatrick and Gaelic collaboration with the Tudor crown, c. 1535–1581 | Wheeler, Diarmuid | Article in Book | | 2018 |
| ‘Memorial’, 1590 | Gardener, Robert | Article in Book | | 2016 |
| ‘Notes to be considered upon touching the Earl of Tyrone’, 1590 | Fenton, Geoffrey | Article in Book | | 2016 |
| ‘The beginning and continuance of the rebels of Ireland, by degrees truly discovered’, c. 1592 | Lovell, Thomas | Article in Book | | 2016 |
| ‘The course best to be observed in the cause of O’Farrell’, 1590 | Gardener, Robert | Article in Book | | 2016 |