| "People v. Philips" in light of contemporary developments in Ireland and the U. S. | McMahon, Bryan | Article in Journal | | 2014 |
| "People v. Philips" in light of contemporary developments in Ireland and the U.S. | McMahon, Bryan | Article in Journal | | 2014 |
| "Republicans seeking asylum" | Ryan, Isidore | Article in Journal | | 2018 |
| "The family piece” :
Oliver Goldsmith and the politics of the everyday in eighteenth-century domestic portraiture | Flint, Christopher | Article in Journal | | 1995 |
| "The Harp that Once...." - the history of harp music in County Donegal | Meehan, Helen | Article in Journal | | 2024 |
| 'All well here': the Diary of Bishop Joseph Stock, 1811 | Flaherty, Cian | Article in Journal | | 2019 |
| 'But much of it is fallen down': Excavations at Farnham House, Farnham, Co. Cavan | Chapple, Robert M. | Article in Journal | | 2005 |
| 'Invisible' nursing | Treacy, Margaret Pearl | Article in Book | | 2005 |
| 'May your walls fall, and may I live to tell': Excavations at Farnham House, Farnham, County Cavan (revisited) | Chapple, R.M. | Article in Journal | | 2006 |
| 'Our separate rooms': Bishop Stock's narrative of the French invasion of Mayo, 1798 | Kennedy, Catríona | Article in Journal | | 2009 |
| 'Playing games with history' : Arthur Donnelly, first elected Catholic representative in Lurgan | Cook, David S. | Article in Journal | | 2013 |
| 'Sketches of their boundless mind' : the Marquess of Buckingham and the Presence Chamber at Dublin Castle, 1788-1838 | Campbell, Myles | Article in Book | | 2017 |
| 'The New York Times' and Irish politics in the 1920's | Manning, Maurice | Article in Journal | | 1984 |
| A blessing to the whole community: the Cork, Blackrock and Passage Railway | Geraghty, P.J. | Article in Journal | | 2016 |
| A contribution to the social and linguistic history of Rannafast | MacGill-Fhinnein, Gordon | Article in Journal | | 1984 |
| A history of the British Army, 1 : [to 1730]; 2 : To the close of the Seven Years' War; 3 : From the close of the Seven Years' War to the second Peace of Paris, 1763-1793; 4 pts. 1 and 2 : From the fall of the Bastille to the Peace of Amiens, 1789-1801 [includes supplementary vol. of maps]; 5 : From the renewal of the war to the evacuation of Rio de la Plata, 1803-1807; 6 : From the expedition to Egypt, 1807, to the battle of Coruña, January, 1809; 7 : 1809-1810 [includes supplementary vol. of maps]; 8 : 1811-1812 [includes supplementary vol. of maps]; 9 : 1813-1814; 10 : 1814-1815 [includes supplementary vol. of maps]. 14 vols. | Fortescue, John William, Sir | Monograph or Collective Volume | | 1899 |
| A history of the king's sergeants at law in Dublin : honour rather than advantage | Hart, A. R. | Monograph or Collective Volume | Four Courts | 2000 |
| A link with Livingstone | Kennedy, W. E. | Article in Journal | | 1988 |
| A map of the town of Mountrath two hundred years ago | Horner, Arnold | Article in Journal | | 2014 |
| A Mossley mystery (Ashton-under-Lyne Manchester England) | O'Reilly, Séamus | Article in Journal | | 2017 |
| A new Wyatt church in Ireland | Moore, Jennifer | Article in Journal | | 2007 |
| A painting 'without a history' : new light on a hitherto 'unidentified miracle' in the National Gallery of Ireland | O'Donnell, Jessica | Article in Journal | | 2017 |
| A paper landscape : the Ordnance Survey in nineteenth-century Ireland | Andrews, J. H. (John Harwood) | Monograph or Collective Volume | Clarendon Press | 1975 |
| A pedagogic palace : the Feinaiglian institution and its textbooks | Stray, Christopher | Article in Journal | | 2002 |
| A pioneering policeman | Feeley, Pat | Article in Journal | | 1990 |
| A pride of professors : the professors of medicine at the Royal College of Surgeons in Ireland 1813-1985 | Lyons, J. B. (John Benignus) | Monograph or Collective Volume | A. & A. Farmar | 1999 |
| A Pride of Professors : The Professors of Medicine at the Royal College of Surgeons in Ireland, 1813-1985 | Lyons, J.B. (John Benignus) | Monograph or Collective Volume | A. & A. Farmar | 1999 |
| A remarkable Tyrone family : the Kellys of Anagasna Glebe; a memoir by a relative | Ó Conluain, Proinsias | Article in Journal | | 2001 |
| A rising tide doesn't lift all boats : archaeological excavations at Meeting House Square, Temple Bar, Dublin | Hayden, Alan R. | Article in Book | | 2015 |
| A tale of two ironworks : slavery, free labor, work, and resistance in the early republic | Bezís-Selfa, John | Article in Journal | | 1999 |
| A tortuous tale - a new twist on the torcs from 'Tara' | Cahill, MaryO'Neill, John | Article in Journal | | 2021 |
| An Dr de Siún, Easpag Luimneach (1796-1813), agus and Ghaeilge | Ó Súilleabháin, Pádraig | Article in Journal | | 1966 |
| An early-19th century map with artistic merit | McCorry, F.X. | Article in Journal | | 2019 |
| An Englishman in Ireland 1813 | Curwen, Michael | Article in Journal | | 1997 |
| An historical account of the laws enacted against the Catholics, both in England and Ireland | Brown, J. B. | Monograph or Collective Volume | | 1813 |
| An inquiry concerning the rise and progress, the redemption ... and the management of the National Debt of Great Britain and Ireland | Hamilton, R. | Monograph or Collective Volume | | 1813 |
| An Irish perspective on the decision to form a Wesleyan Methodist Missionary Society (WMMS) in Leeds in 1813, and its significance for Methodist world mission | Taggart, Norman W. | Article in Journal | | 2014 |
| Anthony Trollope and Isaac Butt in Tralee Courthouse in 1849 | MacMahon, Bryan, 1949- | Article in Journal | | 2019 |
| Ardara's Erie Hone Window | McCaul, Liam | Article in Journal | | 1984 |
| Ardee dispensary minute book, 1813-1851 | O'Sullivan, Harold | Article in Journal | | 1965 |
| Bad press : Thomas Campbell Foster and British reportage on the Irish famine, 1845-1849 | Williams, Leslie | Article in Book | | 2000 |
| Ballywalter Park Co. Down. Situated on the Ards Peninsula close to the Irish sea [it] has impressive grounds and an important conservatory | Bell, Maeve | Article in Journal | | 2011 |
| Banker and absentee landowner : William Tennett in County Fermanagh, 1813-32 | Maguire, W. A. (William Alexander) | Article in Journal | | 1993 |
| Barney McCann | Anonymous | Article in Journal | | 1982 |
| Bishop J. Stock of Killala and Achonry - 1798-1810 | Coote-Duggan, John | Article in Journal | | 1983 |
| Bishop Joseph Stock (ca.1740-1813) and the clergy of the diocese of Killala and Achonry during the 1798 rising | Comerford, Patrick | Article in Book | | 2010 |
| Bishop of the land war : Dr Patrick Duggan, bishop of Clonfert, 1813-1896 | Anonymous | Monograph or Collective Volume | Veritas | 1987 |
| Bishop Stock's 'narrative' from the year of the French | Stock, Joseph | Monograph or Collective Volume | Irish Humanities Centre | 1982 |
| Bishop Stock's narrative of the year of the French : 1798 | | Monograph or Collective Volume | Irish Humanities Centre | 1982 |
| Bishop Young's catechism | Tynan, Michael | Article in Journal | | 1984 |
| Catalogue of the papers of Dr John Young, bishop of Limerick [1746-1813) held in the Limerick Diocesan Archives [with index] | Bracken, David | Article in Journal | | 2015 |
| Charles Lanyon at Glenarm | Casement, Anne | Article in Journal | | 2008 |
| Charles Pratt : antiquarian artist | Goodbody, Rob | Article in Book | | 1998 |
| Clongowes Wood | Devitt, Matthew | Article in Journal | | 1902 |
| Co. Louth games licences in 1813 | Ffolliott, Rosemary | Article in Journal | | 1980 |
| Coade stone in Ireland | Ruch, John E. | Article in Journal | | 1970 |
| Commerce and constitutionalism : the English East India Company and political culture in Scotland and Ireland, 1681-1813 | Crerar, Anne | Thesis | | |
| Commission on the nature and extent of the bogs of Ireland. Reports 1-4 | Anonymous | Monograph or Collective Volume | | 1813 |
| Communism in modern Ireland : the pursuit of the workers' republic since 1916 | Milotte, Mike | Monograph or Collective Volume | Gill & Macmillan | 1984 |
| Counsellor Duhigg : antiquarian and activism | Kenny, Colum | Article in Journal | | 1986 |
| Counting the people : a survey of the Irish census, 1813-1911 | Crawford, E. Margaret | Monograph or Collective Volume | Four Courts | 2002 |
| Daniel O'Connell's most famous case : the trial of John Magee, July 26, 1813 | Griffith, Francis | Article in Journal | | 1974 |
| Defining Ireland's place in parliamentary institutions : Isaac Butt and Parnell in the 1870s | O'Day, Alan | Article in Book | | 1995 |
| Discovering Ballymoney heroes | Thompson, Robert | Article in Journal | | 2000 |
| Documents relating to the Bogs Commissioners, 1809-1813 | | Monograph or Collective Volume | Irish Manuscripts Commission | 2019 |
| Dominick Bellew, 1745-1813 : parish priest of Dundalk and bishop of Killala | Hoban, Brendan | Article in Journal | | 1972 |
| Donegal Town 550, Dún na nGall: the first 135 years as the O'Donnell capital | McGettigan, Darren | Article in Journal | | 2024 |
| Drogheda and Galway census highlights 1813-51 - contexts, caveats, comparisons and contrasts. Part 1: Legacy issues and the censuses of 1813-31|Part 2: The census of 1841|Part 3 of 3: The census of 1851 | McHugh, Ned | Article in Journal | | 2018 |
| Dublin termini in Wicklow granite | Hussey, John | Article in Journal | | 2000 |
| Earl Temple's viceroyalty and the question of renunciation, 1782-3 | Jupp, Peter, 1940-2006 | Article in Journal | | 1971 |
| Economic development 50 years on : 1958-2008 | | Monograph or Collective Volume | Institute for Public Administration | 2009 |
| Edmund Leahy : West Cork's first County Surveyor | Leahy, Paddy | Article in Journal | | 2007 |
| Edward T. Cardwell, Peelite | Erickson, Arvel Benjamin | Monograph or Collective Volume | American Philosophical Society | 1959 |
| Enumerating Aran: Digby Devenish and the taking of the census on the Aran Islands, 1813 | Gurrin, Brian | Article in Journal | | 2020 |
| Extracts from the diaries of Rev. James Wilson, Presbyterian minister of Magherafelt from 1813-1854 | | Article in Journal | | 1981 |
| Extracts from the diaries of Rev. James Wilson, Presbyterian minister of Magherafelt from 1813-1854 | | Article in Journal | | 1982 |
| Farming in the first millennium AD : British agriculture between Julius Caesar and William the Conqueror | Fowler, Peter | Monograph or Collective Volume | Cambridge University Press | 2002 |
| Foreign service. Peter Murray gives the background to George Chinnery's masterpiece, a portrait of the Kirkpatrick children, unhappy pawns in the politics of colonial India | Murray, Peter | Article in Journal | | 2015 |
| Fr. McDyer of Glencolumbkille | McDyer, James | Monograph or Collective Volume | Brandon | 1984 |
| Freemasonry in Ulster 1733-1813 : a social and political history of the masonic brotherhood in the north of Ireland | Mirala, Petri | Monograph or Collective Volume | Four Courts | 2007 |
| Freemasonry in Ulster, 1733-1813 | Mirala, Petri | Article in Journal | | 2000 |
| From Vienna to Ballyshannon - a Jewish Refugee's Story | Wynne, Margaret | Article in Journal | | 2024 |
| George Vaughan, M.P., (1693-1763), Buncrana | Gormley, Olwen | Article in Journal | | 2024 |
| Good Evans, bad Grace. Evans, Grace and Whelan, philanthropist, forger and murderer | Law, Edward J. | Article in Journal | | 2010 |
| Griffith College Dublin : A History of the Campus 1813-2013 | Dorney, JohnFoyle, MatthewMcCarthy, Pat | Monograph or Collective Volume | Griffith College Dublin | 2013 |
| Henrietta Battier : poet and radical, 1751-1813 | Kavanagh, Ann C. | Article in Book | | 2003 |
| Hugh Frazer (fl. 1813-1861), landscape and portrait painter | Watson, Fredrick Gilbert | Article in Journal | | 1993 |
| Impressions of an Irish countess : the photographs of Mary, Countess of Rosse, 1813-85 | Davison, David | Monograph or Collective Volume | Scientific Heritage Foundation | 1989 |
| Inside out : value and display in Thomas De Quincey and Isaac Butt | Bigelow, Gordon | Article in Book | | 2007 |
| Ireland and continental Europe : the historical dimension | Mac Niocaill, GearóidÓ Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 1984 |
| Ireland at the polls : the Dáil elections of 1977 | | Monograph or Collective Volume | American Enterprise Institute for Public Policy Research | 1978 |
| Irish federalism in the 1870s : a study in conservative nationalism | McCaffrey, Lawrence J., 1925- | Monograph or Collective Volume | American Philosophical Society | 1962 |
| Irish Legion officers of Kilkenny origin. Thomas Jackson of Ballyreddin | Dunne-Lynch, Nicholas | Article in Journal | | 2009 |
| Irish nationalism and Irish Catholicism: a study in cultural identity | McCaffrey, Lawrence J., 1925- | Article in Journal | | 1973 |
| Irish opinion and the American Revolution, 1760-1783 | Morley, Vincent | Monograph or Collective Volume | Cambridge University Press | 2002 |
| Irish patriot and Napoleonic soldier, William Lawless | Gallagher, John | Article in Journal | | 1992 |
| Isaac Butt | Mac Cnáimhsí, Breandán | Article in Journal | | 1983 |
| Isaac Butt (1813-1879) and the inner failure of Protestant Home Rule | McCormack, W. J. | Article in Book | | 1989 |
| Isaac Butt and Charles Stewart Parnell : the history of politics and the politics of history | Boyce, David George, 1942- | Article in Book | | 2010 |
| Isaac Butt and Irish nationality | O'Day, Alan | Article in Journal | | 1998 |
| Isaac Butt and Irish Toryism | Spence, Joseph | Article in Journal | | 1995 |
| Isaac Butt and neglected political economists | O'Day, Alan | Article in Book | | 2010 |
| Isaac Butt and the creation of an Irish parliamentary party, 1868-79 | Thornley, D.A. | Thesis | | 1959 |
| Isaac Butt and the founding of the Home Rule Movement | Kelley, Bruce | Article in Journal | | 2020 |
| Isaac Butt and the Home Rule movement : a study in conservative nationalism | McCaffrey, Lawrence J., 1925- | Article in Journal | | 1960 |
| Isaac Butt and the Home Rule party, 1870-77 | Comerford, R.V. (Richard Vincent) | Article in Book | | 1996 |
| Isaac Butt and the Limerick by-election of 1871 | Cahir, Brendan | Article in Journal | | 1966 |
| Isaac Butt and the politics of accommodation | Bull, Philip | Article in Journal | | 2001 |
| Isaac Butt letters | Butt, Isaac | Article in Journal | | 2004 |
| Isaac Butt, 1813-1879 | MacDonagh, J. C. T. | Monograph or Collective Volume | [s.n.] | 1946 |
| Isaac Butt, British liberalism and an alternative nationalist tradition | Bull, Philip | Article in Book | | 2004 |
| Isaac Butt, Irish nationality and the conditional defence of the union, 1833-70 | Spence, Joseph | Article in Book | | 2001 |
| Isaac Butt: a singular political path | de Bouvier, Anne-Catherine | Article in Journal | | 2019 |
| Isaac Corry, 1755-1813 : an adventurer in the field of politics | Malcomson, A. P. W. | Monograph or Collective Volume | | 1974 |
| Jacqueline R. Hill and the study of history in Ireland: a career of dedication and achievement | Comerford, VincentCunningham, Bernadette | Article in Book | | 2022 |
| James Carlile and Irish national education | Rodgers, R. J. | Article in Journal | | 1975 |
| John Magee and the Dublin Evening Post | Robert, Philomena Mary | Thesis | | 2004 |
| John Mullaney : a Cahir architect in America | Higgins, N. | Article in Journal | | 1990 |
| John Roach (1813-87), father of shipbuilding in America | Rorke, Alexander I. | Article in Journal | | 1948 |
| John Skipton Mulvany, architect | O'Dwyer, Frederick | Article in Journal | | 2001 |
| John Tennent (1772-1813): businessman, United Irishman, and soldier of France | Zimburg, Albrecht | Article in Journal | | 2013 |
| John Tennent 1777-1813, United Irishman and Chevalier de la Légion d'Honneur | Black, Eileen | Article in Journal | | 1977 |
| John Tennent, 1777-1813, United Irishman and Chevalier de la Légion d'Honneur | Black, Eileen | Article in Journal | | 1977 |
| Journal of John Tennent, 1786-90 | | Article in Journal | | 2012 |
| Lady Arabella Ward - a vignette | Knightly, John | Article in Journal | | 2013 |
| Leaves from the journal of our life in the Highlands, from 1848 to 1861. To which are prefixed and added extracts from the same journal giving an account of earlier visits to Scotland and tours in England and Ireland, and yachting excursions | Helps, Arthur, Sir, 1813-1875Victoria, queen, 1819-1901 | Monograph or Collective Volume | | 1868 |
| Let the lantern shine : Presentation, Clonmel, 1813-2013 | | Monograph or Collective Volume | Presentation Sisters | 2014 |
| Letters between Westmeath and the Falkland Islands | Walsh, Edward | Article in Journal | | 2015 |
| Letters from England 1813-1844 | Colvin, ChristinaEdgeworth, Maria, 1768-1849 | Monograph or Collective Volume | Oxford University Press | 1971 |
| Letters on the condition of the people of Ireland | Foster, Thomas Campbell, 1813-1882 | Monograph or Collective Volume | | 1846 |
| Logainmneacha na Rosann | Mac Giolla Easpaig, Dónall | Article in Journal | | 1984 |
| Lord Fingall of Killeen Castle and Edward Hay of Wexford : Catholic politics in the late eighteenth and early nineteenth century | Ó hÓgartaigh, Margaret | Article in Journal | | 2007 |
| Lord Sligo's plunder of Ancient Greece | Bunbury, Turtle | Article in Journal | | 2014 |
| Margaret (1813-1882) | Sheridan, Pat | Article in Journal | | 2018 |
| Max Weber and leadership, Butt, Parnell and Dillon : nationalism in transition | O'Day, Alan | Article in Book | | 2004 |
| Memoirs of Algernon Sydney | Meadley, G. W. | Monograph or Collective Volume | NA | 1813 |
| Memoirs, Journal and Correspondence of Thomas Moore. 8 vols. | | Monograph or Collective Volume | | 1853 |
| Memories of west Wicklow 1813-1839 : the early life of William Hanbidge | | Article in Journal | | 2007 |
| Memories of west Wicklow, 1813-1939 | Hanbidge, MaryHanbidge, WilliamMcCormack, W. J. | Monograph or Collective Volume | University College Dublin Press | 2005 |
| Methodist New Chappell, Waterford | Kerr, Elizabeth | Article in Journal | | 2001 |
| Monuments to the Duke of Wellington in nineteenth-century Ireland: forging British and imperial identities | Stedman, Heather | Article in Journal | | 2013 |
| Mr. Gregory's letter-box, 1813-30 | | Monograph or Collective Volume | | 1898 |
| Muiris Ó Gormáin and the lords lieutenant of Ireland | Mahony, Robert | Article in Journal | | 1987 |
| Nationalism and political economy in Ireland : Isaac Butt's analysis | O'Day, Alan | Article in Book | | 2006 |
| No country for young men : the 1813-1815 census returns for County Meath | Gurrin, Brian | Article in Journal | | 2006 |
| Observation on agriculture, 1813 | Curwen, John | Article in Book | | 1998 |
| Oideas do lucht comaoineach i ndóiseas Chaisil, 1813 | Ó Floinn, D. | Article in Journal | | 1946 |
| On the Irish coins of Mary | Smith, Aquilla | Article in Journal | | 1854 |
| Pamela in the marketplace : literary controversy and print culture in eighteenth-century Britain and Ireland | Keymer, TomSabor, Peter | Monograph or Collective Volume | Cambridge University Press | 2005 |
| Parish of Maghera 1813 | Graham, John | Article in Journal | | 1980 |
| Photographs from the Birr darkroom : Mary, countess of Rosse (1813-1885) | Barry, Susan | Article in Book | | 1997 |
| Points Critical : Russia, Ireland, and Science at the Boundary | Gordin, Michael D. | Article in Journal | | 2009 |
| Political economy and nationality : Isaac Butt, Charles Stewart Parnell and Michael Davitt reassessed | O'Day, Alan | Article in Book | | 2009 |
| Poverty in Ireland 1837 - a Hungarian's view (Szegénység Irlandban) | Eötvös, Baron József, 1813-1871 | Monograph or Collective Volume | Phaeton Publishing [Dublin] | 2015 |
| Prince of swindlers : John Sadleir MP 1813-1856 | O'Shea, James | Monograph or Collective Volume | Geography Publications | 2000 |
| Ptolemy's map of Ireland | Orpen, G. H. (Goddard Henry) | Article in Journal | | 1894 |
| Queen's : an architectural legacy | Evans, DavidLarmour, Paul | Monograph or Collective Volume | Queen's University of Belfast, Institute of Irish Studies | 1995 |
| Rambles in Clare, 1810 | Reed, William | Article in Book | | 1998 |
| Richard 'Thespian' Daly (c.1750-1813) | Dillon, James N. | Article in Journal | | 2002 |
| Robert Peel and the pursuit of Catholic emancipation, 1813-1817 | O'Brien, Gerard | Article in Journal | | 1988 |
| Saint Joseph's Mullaghard, Tynan (1813-2018) : a millennium church history | Brady, Patrick J. | Monograph or Collective Volume | Middletown & Tynan Historical Society | 2018 |
| Salt mining in the Woodburn Area (part one) | Nicholson, Caroline A. | Article in Journal | | 2001 |
| Saving the future : how social partnership shaped Ireland's economic success | Hastings, TimSheehan, BrianYeates, Brian | Monograph or Collective Volume | Blackhall Publishing | 2007 |
| School debate | Dowse, Joseph | Article in Journal | | 2006 |
| Selections from 'Thomas Mellon and his Times' | Mellon, Thomas | Monograph or Collective Volume | Scotch-Irish Trust of Ulster | 1976 |
| Sir Charles Lanyon | Larmour, Paul | Article in Journal | | 1989 |
| Sir Redmond Barry | Smith, Francis Barrymore | Article in Journal | | 1988 |
| Sligo Gaol | Ryan, Siobhán | Article in Journal | | 2019 |
| Some deeds relating to the Earls of Carrick | Hoyne, Liam | Article in Journal | | 1998 |
| Some echoes of 'St Catherine's Bells' | Dawson, T. | Article in Journal | | 1978 |
| Some observations on contemporary allegations as to bishop Dominick Bellew's (1745-1813) sympathies during the 1798 rebellion in Connaught | Hogan, Patrick | Article in Journal | | 1982 |
| St Andrew's church | Goslin, Bernadette | Article in Journal | | 1990 |
| St John's Church, John Street, Kilkenny | Murphy, Damian | Article in Journal | | 2022 |
| The 1872 by-election | Liffey, Michael | Article in Book | | 2003 |
| The adulterous muse : Maud Gonne, Lucien Millevoye and W. B. Yeats | Frazier, Adrian | Monograph or Collective Volume | Lilliput Press | 2016 |
| The architecture of John Skipton Mulvany (1813-1870) | O'Dwyer, Frederick | Article in Journal | | 2000 |
| The Belvedere, Waldershare Park, Kent | Hewlings, Richard | Article in Journal | | 2006 |
| The Bishop Stock address | Mitchell, Thomas | Article in Book | | 1993 |
| The Black Frigate | Gerding, Eduardo C. | Article in Journal | | 2004 |
| The census in Ireland of 1813-15 | Froggatt, Peter | Article in Journal | | 1965 |
| The chief inhabitants of the parishes of St Mary's and St John's, Limerick, in 1813 | Ffolliott, Rosemary | Article in Journal | | 1985 |
| The Clongowes Record, 1814 to 1932 : with introductory chapters on Irish Jesuit educators, 1564 to 1813 | Corcoran, Timothy Joseph, 1872-1943 | Monograph or Collective Volume | Browne and Nolan | 1932 |
| The construction of three Co. Cork railway viaducts in 1849 as recorded by the artist R.L. Stopford and other sources | Magner, Mehaul | Article in Journal | | 2015 |
| The Cork Freeholder; an eight-day magazine | Ó Casaide, Séamus | Article in Journal | | 1937 |
| The correspondents of Thomas Andrews | Sharp, Robert | Article in Journal | | 2002 |
| The County Club | Hannon, Kevin | Article in Journal | | 1993 |
| The courthouse, Dundalk, and the contract for its erection dated 30th April 1813 | O'Sullivan, Harold | Article in Journal | | 1962 |
| The creation of RTE and the impact of television | Mac Conghail, Muiris | Article in Book | | 1984 |
| The Cross of Saint Patrick : the Catholic Unionist tradition in Ireland | Biggs-Davison, JohnChowdharay-Best, George | Monograph or Collective Volume | The Kensal Press | 1984 |
| The Dundalk and Enniskillen Railway: an undertaking so full of hopeful promise | Geraghty, P.J.
| Article in Journal | | 2013 |
| The earliest Presbyterian register of Waterford, 1761-1813 | | Article in Journal | | 1981 |
| The East Window at Collon Church of Ireland | Rountree, John | Article in Journal | | 2021 |
| The Feinaiglian Institution, Dublin | Quane, Michael | Article in Journal | | 1964 |
| The Greenisland loop | McDonald, B. | Article in Journal | | 1993 |
| The Hon. John Dawson (1744-1798): architectural patron and gifted amateur painter | Harbison, Peter | Article in Journal | | 2011 |
| The John Keegan of Moate diary : the Famine years and south Offaly | Byrne, Michael | Article in Journal | | 2020 |
| The life and sad death of Carlow M.P. John Sadleir, 1813-1856 | Scott, John F. | Article in Journal | | 1997 |
| The Life of Thomas Ainge Devyr, Donegal Town | Meehan, Helen | Article in Journal | | 2024 |
| The lost landscapes of Castletown: a note on Edmund Garvey's views of Castletown | Meldon, Jeanne | Article in Journal | | 2017 |
| The Mallow club | Myers, Kevin | Article in Journal | | 2000 |
| The Malone Mausoleum Kilbixy, Co. Westmeath | Laffan, William | Monograph or Collective Volume | The Follies Trust | 2024 |
| The members' library, its history, progress and operation | Moriarty, T. | Article in Book | | 1996 |
| The memoirs of William Hanbidge, aged 93, 1906 : an autobiography | Hanbidge, William | Monograph or Collective Volume | Gibb & Bamforth | 1939 |
| The Mount Shannon catalogue, 1888 | Fitzgibbon, Constantine | Article in Journal | | 1976 |
| The nearest place that wasn't Ireland : early nineteenth-century Irish labor migration | Harris, Ruth-Ann Mellish | Monograph or Collective Volume | Iowa State University Press | 1994 |
| The notion and process of collecting, recording and representing Irish traditional music, song and dance: the Muckross House collection | Foley, Catherine | Article in Book | | 2012 |
| The Old Manor Mills at Quartertown | Myers, Kevin | Article in Journal | | 2014 |
| The Patron, or festival of St Kevin at the Seven Churches, Glendalough, County Wicklow, 1813 | Crawford, W. H. (William Henry) | Article in Journal | | 1986 |
| The philosophy of Irish Toryism, 1833-52: a study of reactions to liberal reformism in Ireland in the generation between the first Reform Act and the Famine : with especial reference to expressions of national feeling among Protestant ascendancy | Spence, Joseph | Thesis | | |
| The Portarlington cup | Hyland, Jackie | Article in Journal | | 2008 |
| The Presentation foundation Drogheda 7th June, 1813 | Allen, M. Oliver | Article in Journal | | 1990 |
| The proctors' accounts of the parish church of St Werburgh, Dublin, 1481-1627 | | Monograph or Collective Volume | Four Courts Press in association with the Representative Church Body Library | 2009 |
| The provincial commencement of James Field Stanfield | McCormack, Declan | Article in Book | | 2019 |
| The return to Ulster of Thomas Mellon : a pilgrimage | Lambkin, Brian | Article in Journal | | 2002 |
| The road to excess | White, Terence De Vere | Monograph or Collective Volume | Browne and Nolan | 1946 |
| The social composition of agrarian rebellion in early nineteenth-century Ireland : the case of the Carders and Caravets, 1813-16 | Donnelly, James S., Jr | Article in Book | | 1985 |
| The story of a small but highly architectural object | McParland, Edward | Article in Book | | 2003 |
| The support of Connacht's Catholic hierarchy for the Legislative Union of Great Britain and Ireland, 1800 | Hogan, Patrick | Article in Journal | | 2006 |
| The trials of Brian Seery | Ó hAnnracháin, Eoghan | Article in Journal | | 2010 |
| The trials of Richard Daly and John Magee, involving the Sham Squire, the literary swindle of 1788, the Billiard Marker's Ghost and the Grand Olympic Pig Hunt | Greene, John C. | Article in Journal | | 2009 |
| The Ulster Plantation on the Inishowen Peninsula: A Hiberno-British | Heffernan, David | Article in Journal | | 2024 |
| The Verner rape trial, 1813 : Jane Barnes v. the Belfast establishment | Maguire, W. A. (William Alexander) | Article in Journal | | 1993 |
| The war in Wexford : an account of the rebellion in the south of Ireland in 1798, told from original documents | Broadley, Alexander Meyrick, 1847-1916Wheeler, H. F. B. | Monograph or Collective Volume | | 1910 |
| The Wellington testimonial | Garnett, P. F. | Article in Journal | | 1952 |
| The Will and Codicil of John Knox Grogan, 1811 and 1813 | Anonymous | Article in Journal | | 2006 |
| The wreck of the transport brig Boadicea & the 82nd regiment | Fitzgerald, Ivan | Article in Journal | | 2017 |
| Theatre in Dublin, 1745-1820 : a calendar of performances | Greene, John C., 1946- | Monograph or Collective Volume | Lehigh University Press|Rowan and Littlefield | 2011 |
| Theodore William Moody | Martin, F. X. (Francis Xavier), 1922-2000 | Article in Journal | | 1984 |
| Thomas Andrews, 1813-1885 | Burns, D. Thorburn (Duncan Thorburn) | Article in Book | | 2003 |
| Thomas W. Allies (1813-1903) | Enciclopedia Cattolica | Article in Book | NA | 1948 |
| Tolls and customs at Graiguenamanagh | Anonymous | Article in Journal | | 2004 |
| Trasna na Bóinne : imleabhar I de chuimhí cinn Earnáin de Blaghd | Blythe, Ernest, 1889-1975 | Monograph or Collective Volume | Sáirseal agus Dill | 1957 |
| Two north Cork emigrants to Australia | Power, Ita | Article in Journal | | 1991 |
| Wagner, Bayreuth and the Irish image of Germany | Fischer, Joachim | Article in Book | | 2007 |
| Waterford Crystal : the creation of a global brand | | Monograph or Collective Volume | Merrion Press | 2018,2019 |
| Waterford Crystal : the creation of a global brand, 1700-2009 | Hearne, John M. | Monograph or Collective Volume | Merrion Press | 2018 |
| West Donegal Walking Tour (1886) | Blair, Raymond | Article in Journal | | 2024 |
| Westport - an early Irish example of town planning | Jeffers, Brendan | Article in Journal | | 1988 |
| Whatever shines should be observed (quicquid nitel notandum) | McKenna-Lawlor, Susan | Monograph or Collective Volume | Samton | 1998 |
| Whiteboys, magistrates and peelers in Mizen Peninsula, 1813-1844 | Hickey, Patrick | Article in Journal | | 1993 |
| Whitelaw's Essay on the Population of Dublin : a window on late eighteenth-century housing | Jordan, Thomas E. | Article in Journal | | 2011 |
| William Allan | Dunlop, William M. | Article in Journal | | 2001 |
| William fairbairn in Ireland : part 1 - to circa 1850 | Byrom, Richard | Article in Journal | | 2017 |
| William Martin Murphy : an Irish press baron and the rise of the popular press | McCartney, Donal | Article in Book | | 1984 |
| Worlding the village : John O’Keeffe’s ‘eccentric’ pastorals | Burke, Helen | Article in Book | | 2019 |
| ‘A Voice for Ireland’: Isaac Butt, Environmental Justice, and the Dilemmas of the Irish Land Question | Reid, Colin W. | Article in Book | | 2019 |