| Case Study – The Children and Youth of the Irish Civil War | Buckley, Sarah-Anne ; Connolly, Linda | Article in Book | Cork University Press | 2024 |
| "... it was our joy to keep the flag flying". A study of the women’s suffrage campaign in county Galway | Clancy, Mary | Article in Journal | | 1995 |
| "A living saint if ever there was one" : work, austerity and authority in the lives of Irish women of the house, 1921-1961 | Clear, Caitriona | Article in Book | University College Dublin Press | 1999 |
| "Almost a class of helots in an alien land" : the British state and Irish immigration, 1921-45 | Delaney, Enda | Article in Journal | | 1999 |
| "Almost a class of helots in an ancient land" : the British state and Irish immigration, 1921-45 | Delaney, Enda | Article in Book | Irish Academic Press | 2000 |
| "Democracy" in Northern Ireland : experiments in self-rule from the Protestant Ascendancy to the Good Friday Agreement | McGarry, John | Article in Journal | | 2002 |
| "For a splendid cause" : Irish missionary nuns at home and on the mission field, 1921-1962 | Lynch, Kate, 1986- | Thesis | | |
| "Goodbye Dublin" : the British military evacuation 1922 | Kinsella, A. | Article in Journal | | 1998 |
| "Home and Away" : The Cross-Fertilisation between 'Colonial' and 'British' Policing, 1921-85 | Sinclair, GeorginaWilliams, Chris A. | Article in Journal | | 2007 |
| "How to smash the British Empire" : John Forrest Kelly's Irish World and the Boycott of 1920-21 | Chapman, Michael E. | Article in Journal | | 2008 |
| "I bring not peace but a sword" : the religious motif in the Irish war of independence | Newsinger, John | Article in Journal | | 1978 |
| "I thought from her appearance that she was in the family way" : Detecting infanticide cases in Ireland, 1900-1921 | Rattigan, Clíona | Article in Journal | | 2008 |
| "Imagining Ulster" : the north of Ireland and British national identity, 1880-1921 | Louglin, James | Article in Book | Four Courts Press | 1998 |
| "In spite of all impediments" : the early years of the Irish diplomatic service | Kennedy, Michael (Michael J.) | Article in Journal | | 1999 |
| "Insouciant rivals of Mrs Barton" : gender and Victorian aspiration in George Moore and the women novelists of the Irish Monthly | Murphy, James H. | Article in Book | Irish Academic Press | 1997 |
| "It is for a nation of martyrs to cultivate constant self-restraint." The Irish Catholic bishops' attitude to the IRA campaign, 1919-21 | Heffernan, Brian | Article in Journal | | 2008 |
| "Old Black" : the Life of Major General C. G. Blackader, 1869-1921 | Jenkins, Robin P. | Article in Journal | | 2006 |
| "One little slice from a child's point of view":Locating Childhood Experience during the Civil War in County Kerry in Archived Oral History | O'Keefe, Helene | Article in Journal | | 2023 |
| "Our dead Chief": The Irish press and the death of Parnell | de Nie | Article in Journal | | 2019 |
| "The Germans would have settled it in a very short time." : De Britse militaire campagne in Ierland, 1920-1921 | Pantjes, Job | Article in Journal | | 2008 |
| "The Indian man" and the Irishman : James Mooney and Irish folklore | Ó Siadhail, Pádraig | Article in Journal | | 2010 |
| "The men of the south" in the War of Independence | Murphy, Donie | Monograph or Collective Volume | Inch's | 1991 |
| "The only place worth thinking about" : personal testimony and Irish and Scottish migrants in Australasia, 1921-61 | McCarthy, Angela, 1971- | Article in Journal | | 2008 |
| "The view from Fleet Street" : Irish nationalist journalists in London and their attitudes towards empire, 1892-1898 | Sheehy, Ian D. | Article in Book | Four Courts Press | 2004 |
| 'A complete acceptance of their domination and demands': Douglas Hailsham, appeasement and the Anglo-Irish Agreement 1938 | Cooper, Chris | Article in Journal | | 2010 |
| 'A constitutional island in a sea of Sinn Fein’ : the account of Wilfrid Ewart of his walking from Cork to Belfast via Birr and Tullamore in 1921 | Byrne, Michael | Article in Journal | | 2020 |
| 'A man who has both arms' : Arthur Griffith, the economy and the Anglo-Irish Treaty agreement, 1921 | Kenny, Colum | Article in Journal | | 2023 |
| 'A most obnoxious campaign against everything British' : the curious case of the Friends of Irish Freedom in the Panama Canal zone, 1918-1921 | Mannion, Patrick | Article in Book | | 2022 |
| 'A tainted source'? : The Irish Bulletin, 1919-21 | Kenneally, Ian | Article in Book | Four Courts Press | 2014 |
| 'A Very Hard Struggle' - Lives in the Military Service Pensions Collection | | Monograph or Collective Volume | Department of Defence, Ireland | 2023 |
| 'Arms without banners' : The Irish Republican Army , 1920-21 | Borgonovo, John | Article in Book | Cork University Press | 2017 |
| 'Articles of Agreement' are signed | Connell, Joseph E.A. | Article in Journal | | 2021 |
| 'Artistic bombs': three 'shemus' cartoons 1922 | Larkin, Felix M. | Article in Journal | | 2011 |
| 'Ascendancy's last big jamboree' : big house society in Northern Ireland, 1921-69 | Purdue, Olwen | Article in Book | Four Courts Press | 2011 |
| 'Beyond mediocrity' : the ministry of John James Landers | Landers, John C. | Article in Journal | | 2015 |
| 'By a treaty divided' : The cause and course of Ireland's Civil War. Part 1 - politics | O'Shea, BrendanWhite, Gerry | Article in Journal | | 2003 |
| 'By a treaty divided' : the cause and course of Ireland's Civil War. Part 2 - war | O'Shea, BrendanWhite, Gerry | Article in Journal | | 2003 |
| 'By a treaty divided' : The cause and course of Ireland's civil war. Part 3 - resolution | O'Shea, BrendanWhite, Gerry | Article in Journal | | 2003 |
| 'Entre nous' : some notes by Erskine Childers on the making of the Anglo-Irish treaty, 1921 | Bowman, John | Article in Book | Royal Irish Academy for the Library of Trinity College Dublin | 1986 |
| 'Have you tried the ash pit?' | Cahill, MaryD'Arcy, StephenHalpin, AndySmith, Carol | Article in Journal | | 2014 |
| 'I signed my death warrant' : Michael Collins and the Treaty | Dwyer, T. Ryle | Monograph or Collective Volume | Mercier Press | 2006 |
| 'I thought from her appearance that she was in the family way': detecting infanticide cases In Ireland, 1900–1921 | Rattigan, Cliona | Article in Journal | | 2008 |
| 'In what orbit we shall find ourselves, no one could predict': institutional reform, the university merger and ecclesiastical influence on Irish higher education in the 1960s | Nolan, AnnWalsh, John | Article in Journal | | 2017 |
| 'Ireland is out for blood and murder' : nationalist opinion and the Ulster crisis in provincial Ireland, 1913-1914 | Wheatley, Michael | Article in Book | | 2006 |
| 'Looting and overtures and acts of indecency by Black and Tans': the pursuit of justice for acts of sexual violence during Ireland's War of Independence (1919-21) | O'Neill, Gerri | Article in Journal | | 2021 |
| 'Make the terror behind greater than the terror in front'? Internal discipline, forced participation, and the I.R.A., 1919-21 | Hughes, Brian | Article in Journal | | 2018 |
| 'Miserable conflict and confusion' : definitions and understanding of the Irish Question in British newspapers, 1917-21 | Scheopner, Erin Kate | Thesis | | |
| 'More permanent than bronze, more enduring than stone' : the James Connolly Labour College 1919-1921 & Worker's Educational Institute, 1925-1927; and [postscript] "Utterly selfless in his love for his fellow man" : Malcolm MacColl alias J. M. McDonnell, 1884-1946 | Croke, Norman,Devine, Francis | Monograph or Collective Volume | Irish Labour History Society in association with SIPTU College | 2007 |
| 'Night’s Candles are Burnt Out', by Seán Keating (1929) | O’Connor, Éimear | Article in Book | Cork University Press | 2024 |
| 'Normal policing' : public order in Northern Ireland since partition | Boyce, David George, 1942- | Article in Journal | | 1979 |
| 'Not a historical but a prospective application'? the 1798 rising as recalled in the Irish popular press of 1898 | Mulholland, Marc | Article in Book | | 2006 |
| 'Playing at international politics?' Irish nationalist responses to the Russian Revolution, 1917-1921 | Lively, Anna | Article in Book | | 2022 |
| 'Saoirse - Irisleabhar Oileáin Spice' | | Article in Journal | | 2004 |
| 'Saver of the children' : the National Society for the Prevention of Cruelty to Children in Ireland, 1889-1921 | Buckley, Sarah-Anne | Article in Book | | 2015 |
| 'Seditious literature' and a burning piano | Casement, Tom | Article in Book | | 2016 |
| 'Smash every cross-channel union': Inter-trade union rivalries at Watt's Distilleries in Derry, 1920-1921 | Gallagher, Ruairí | Article in Journal | | 2017 |
| 'Spies and informers beware ...' | Dolan, Anne | Article in Book | | 2015 |
| 'Spies and informers beware!' | Ó Ruairc, Pádraig Óg | Article in Journal | | 2017 |
| 'Spies and informers beware!' - IRA executions of alleged civilian spies during the War of Independence | Ó Ruairc, Pádraig Óg | Article in Book | | 2017 |
| 'Stamp out this vermin' | Wilson, Henry, Sir | Article in Book | | 2016 |
| 'The charm of allowing people to manage their own affairs' : political perspectives on emergency relief in late nineteenth-century Ireland | Crossman, Virginia | Article in Book | | 2004 |
| 'The Great Escape': Tunnelling out of Kilkenny jail 22 November 1921 | Donoghue, Fergal | Article in Journal | | 2022 |
| 'The Judge' versus 'The Chief' - Daniel Colahan and the 1920 split within Irish America | Doorley, Michael | Article in Journal | | 2015 |
| 'The Magna Carta' : Irish diplomatic missions to South Africa, 1921 | Reilly, Ciaran | Article in Journal | | 2015 |
| 'The man they could never forgive' - the view of the opposition | Valiulis, Maryann Gialanella, 1947- | Article in Book | | 1983 |
| 'The Past' as a Concept & Ethical Remembrance: Brief Reflections | Benson, Ciarán | Article in Book | | 2023 |
| 'The peeress and the peasant' : popular mobilisation and the Ulster Women's unionist Council, 1911-21 | Urquhart, Diane | Article in Book | | 2023 |
| 'The Treaty 1921: Records from the Archives' | NA | Article in Journal | | 2022 |
| 'The wilderness years': Kilmainham Gaol, 1924-1960 | O'Dwyer, Rory | Article in Journal | | 2010 |
| 'These quiet days of peace' : nationalist opinion before the Home Rule crisis, 1909-13 | Wheatley, Michael | Article in Book | | 2004 |
| 'This Havoc has been Wrought on Ireland': a poem by Eoghan Mac Craith | Minahane. John
| Article in Journal | | 2024 |
| 'Ulsteria' : the fortunes of the Irish language under Stormont, 1921-72 | De Brún, Fionntán | Article in Book | | 2010 |
| 'Vulgar and mechanik' : the scientific instrument trade in Ireland, 1650-1921 | Burnett, J. E.Morrison-Low, A. D. | Monograph or Collective Volume | | 1989 |
| 'Was it because my husband lived five years longer to fight for his country, that I was treated so badly?' | Yeates, Pádraig | Article in Journal | | 2019 |
| 'We couldn't do a Prague' : British government responses to loyalist strikes in Northern Ireland, 1974-77 | Aveyard, Stuart C. | Article in Journal | | 2014 |
| 'We English protest' - Margaret Buckmaster's Peace Crusade | Dunphy, Eugene | Article in Journal | | 2021 |
| 'What did I die of?': the deaths of Parnell, Wilde... and other literary pathologies | Lyons, J. B. (John Benignus) | Monograph or Collective Volume | | 1991 |
| 'Who is for the Empire and who is for the Republic?' - The 1921 elections to the Northern Ireland Parliament | Callinan, Elaine | Article in Journal | | 2021 |
| 'With the eyes of another race of a people once hunted themselves' : Casement, collonialism and a remembered past | O'Callaghan, Margaret | Article in Book | | 2004 |
| 1848 and 1887 : the continuity of the Irish revolutionary movement ... | Leech, H. Brougham (Henry Brougham), 1843-1921. | Monograph or Collective Volume | | 1887 |
| A 'countryside bright with cosy homesteads' : Irish nationalism and the cottage landscape | Cusack, Tricia | Article in Journal | | 2001 |
| A beleaguered station : the memoir of Head Constable John McKenna, 1891-1921 | | Monograph or Collective Volume | Ulster Historical Foundation | 2010 |
| A bibliography of published works on Irish foreign relations 1921-1978 | Maguire, M. | Monograph or Collective Volume | R.I.A. | 1981 |
| A border vignette: The Belleek–Pettigo events of June 1922 | O’Callaghan, Margaret | Article in Book | | 2022 |
| A capital in conflict : Dublin city and the 1913 Lockout | | Monograph or Collective Volume | Dublin City Council | 2013 |
| A celebration of Col. Seán Clancy | Campbell, Liam | Article in Journal | | 2006 |
| A charge delivered to the clergy of the diocese of Dublin, at the Visitation, November 14th, 1924 | Fitzgerald, John Allen | Monograph or Collective Volume | Church of Ireland Printing Co. | 1924 |
| A city in civil war : Dublin, 1921-4 | Yeates, Pádraig | Monograph or Collective Volume | Gill & Macmillan | 2015 |
| A city in turmoil : Dublin, 1919-1921 | Yeates, Pádraig | Monograph or Collective Volume | Gill & Macmillan | 2012 |
| A companion guide to architecture in Ireland, 1837-1921 | Girouard, MarkWilliams, Jeremy | Monograph or Collective Volume | Irish Academic Press | 1994 |
| A critical analysis of the decisions of the General Assembly of the Presbyterian Church in Ireland on social issues, 1921-1970 | Davison, William Eoin | Thesis | | |
| A curious middle place : the Irish in Britain, 1871-1921 | Fitzpatrick, David | Article in Book | | 1989 |
| A day-trip on board the 'Colleen Bawn' | Matthews, Brendan | Article in Journal | | 2012 |
| A double periphery : Ireland within the United Kingdom 1800-1921 | Hoppen, K. Theodore, 1941- | Article in Book | | 1997 |
| A Dublin Diocesan Cleric in Buenos Aires | Walsh, Edward | Article in Journal | | 2023 |
| A family in revolution : the experience of one family during the 1916 rising and War of Independence : a transcript | | Monograph or Collective Volume | McGiolla Iosa | 2000 |
| A family's survival through troubled times | Farrelly, Anne Kearney | Article in Journal | | 2022 |
| A fantastic journey : the life and literature of Lafcadio Hearn | Murray, Paul | Monograph or Collective Volume | Japan Library | 1993 |
| A fateful weekend in 1921 : at the crux of negotiations for an Anglo-Irish treaty and an independent Irish parliament | Kenny, Colum | Article in Journal | | 2019 |
| A finding list of Sir James Ware's manuscripts | O'Sullivan, William, 1921-2000 | Article in Journal | | 1997 |
| A firm level database of Irish creameries, 1897-1921 | McLaughlin, Eoin ; Sharp, Paul ; Tsoukli, Xanthi ; Vedel, Christian | Article in Journal | | 2024 |
| A firm of Dublin cabinet-makers, Mack, Williams & Gibton | Alexander, Angela | Article in Journal | | 1995 |
| A First World War transition : state and citizen in Ireland 1914-19 | Boyce, David George, 1942- | Article in Book | | 2004 |
| A genealogical and heraldic history of the landed gentry of Great Britain. 2 vols. | Burke, A. P.Burke, J. B. (John Bernard), Sir | Monograph or Collective Volume | Harrison | 1906 |
| A guide to cabinet conclusions, 1921-1943 | Public Record Office of Northern Ireland | Monograph or Collective Volume | Public Record Office of Northern Ireland | 1993 |
| A hard local war : the British army and the guerrilla war in Cork, 1919-22 | Sheehan, William, 1968- | Monograph or Collective Volume | History Press | 2011 |
| A hard price to pay’: the burden of revolutionary inheritance | McGarry, Fearghal | Article in Book | | 2023 |
| A History of Ireland under the Union 1801 to 1922 : With an Epilogue carrying the story down to the acceptance in 1927 by de Valera of the Anglo-Irish Treaty of 1921 | O'Hegarty, P. S. | Monograph or Collective Volume | | 1952 |
| A history of Ireland under the Union, 1801 to 1922; with an epilogue carrying the story down to the acceptance in 1927 by De Valera of the Anglo-Irish treaty of 1921 | O'Hegarty, P. S. | Monograph or Collective Volume | | 1952 |
| A history of the Irish Naval Service | McIvor, Aidan | Monograph or Collective Volume | Irish Academic Press | 1994 |
| 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 jildy soldier | Bourke, Wesley | Article in Journal | | 2012 |
| A journey in Ireland 1921 | | Monograph or Collective Volume | University College Dublin | 2008 |
| A lady's child | Starkie, Enid Mary, 1897-1970 | Monograph or Collective Volume | Faber and Faber | 1941 |
| A life well lived | Whelan, Michael | Article in Journal | | 2008 |
| A local soldier's war | Anderson, Robert | Article in Journal | | 2006 |
| A miracle of learning : studies in manuscripts and Irish learning. Essays in honour of William O'Sullivan | | Monograph or Collective Volume | Ashgate | 1998 |
| A modern "Black Hole of Calcutta" : The Anglo-American controversy over Ellis Island, 1921-24 | Rhodes, B. D. | Article in Journal | | 1985 |
| A new history of Ireland, Vol. 7 : 1921-84 | | Monograph or Collective Volume | Oxford University Press | 2003 |
| A new history of Ireland. Vol. 6 : Ireland under the Union, pt. 2, 1870-1921 | | Monograph or Collective Volume | Clarendon Press | 1996 |
| A Protestant parliament and a Protestant state | Bew, Paul | Article in Book | | 1983 |
| A protestant state : unionists in government, 1921-39 | Buckland, Patrick | Article in Book | | 2001 |
| A question none could answer : ' what was the Irish viceroyalty for'? 1800 - 1921 | Hoppen, K. Theodore, 1941- | Article in Book | | 2012 |
| A railway lawgiver - J H Balfour Browne (1845-1921) | Moriarty, Tim | Article in Journal | | 2011 |
| A reader's guide to the place-names of the United Kingdom : a bibliography of publications, 1920-1989, on the place-names of Great Britain and Northern Ireland, The Isle of Man, and the Channel Islands | Field, John, 1921-Spittal, Jeffrey | Monograph or Collective Volume | | 1990 |
| A remarkable Roscommon doctor John F. Knott. Contemporary of Sir William Wilde, friend and contemporary of Douglas Hyde and of Surgeon Major T.H.Parke | Smith, Des | Article in Journal | | 1994 |
| A saint of the month | Brodrick, James | Article in Journal | | 1946 |
| A Saorstát is born : how the Irish Free State came into being | Lysaght, D. R. O'Connor | Article in Book | | 1991 |
| A sheep in wolf's clothing no match for the wise serpent | Yeates, Pádraig | Article in Journal | | 2018 |
| A shooting and hostage taking in a timme of Truce and Treaty | French, Noel
| Article in Journal | | 2022 |
| A short account of some of the seafarers from Wicklow Town who were lost at sea through inclement weather and war | Byrne, Tom | Article in Journal | | 2020 |
| A short history of the I.R.A. in Islandeady, 1919-1921 | Maye, Patrick | Article in Journal | | 1995 |
| A short history of the Irish people from the earliest times to 1920 | Hayden, Mary Teresa, 1862-1942Moonan, G. A. | Monograph or Collective Volume | | 1921 |
| A social science bibliography of Northern Ireland 1945-1983 | Rolston, Bill | Monograph or Collective Volume | Queen's University of Belfast | 1983 |
| A state of disunion : Arthur Griffith, Michael Collins, James Craig, Éamon de Valera | Younger, Calton | Monograph or Collective Volume | Muller | 1972 |
| A study of religious statistics in Ireland | Gannon, Patrick Joseph | Article in Journal | | 1921 |
| A Swedish view of Galway in 1893: Hugo Vallentin's "Letters from Home-Rule Land" | Newby, Andrew G. | Article in Journal | | 2018 |
| A tale of two soldiers | Campbell, Liam | Article in Journal | | 2006 |
| A terrible beauty : an illustrated history of Irish battles | Lyons, DavidMarix Evans, Martin | Monograph or Collective Volume | Gill & Macmillan | 2003 |
| A time of transitions | Boyce, David George, 1942-O'Day, Alan | Article in Book | | 2004 |
| A trinity of martyrs | Ó Cáinte, Dónal | Article in Journal | | 1990 |
| A village incident | O'Connor, Declan | Article in Journal | | 2007 |
| A voyage to Australia | Casey, GerardDunne, Michael | Article in Journal | | 2001 |
| A Waterford origin for the 'Codex Salmanticensis' | O'Sullivan, William, 1921-2000 | Article in Journal | | 1998 |
| Accounting for the emergence of violent activism among Irish revolutionaries, 1916-21 | Augusteijn, Joost | Article in Journal | | 2007 |
| Actions and views : John Brownlee Lonsdale, Unionist MP 1900-18 and party leader 1916-18 | Walter, Brian M. | Article in Book | | 2006 |
| Additional medieval Meath manuscripts | O'Sullivan, William, 1921-2000 | Article in Journal | | 1987 |
| Addressing educational disadvantage in Northern Ireland 1921–2021 : a history of squandered opportunities? | Purdy, Noel | Article in Journal | | 2022 |
| Administration and the public services, 1870-1921 | McDowell, R. B. (Robert Brendan), 1913-2011 | Article in Book | | 1996 |
| Advice to a Prince | | Article in Journal | | 1921 |
| After the rising : soldiers, lawyers, and trials of the Irish revolution | Enright, Seán | Monograph or Collective Volume | Irish Academic Press | 2016 |
| Afterimage of the revolution : Kevin O'Higgins and the Irish Revolution | Knirck, Jason K., 1971- | Article in Journal | | 2003 |
| Again on discrimination in the North of Ireland : a reply to the rejoinder | O'Hearn, Denis | Article in Journal | | 1985 |
| Against the wind : memories of Clare hurling | Byrnes, Ollie | Monograph or Collective Volume | Mercier Press | 1996 |
| Albion au miroir du Royaume-Uni et de l'Empire britannique : Nouvelles perspectives sur l'histoire et la citoyenneté à l'école en Irlande du Nord, ou comment transcender la "britannité ?" | Fischer, Karin | Article in Book | | 2006 |
| Alice Jacob and her orchids... some historians she is best known for her superb designs for lace, while others affirm that she is famous for her botanical paintings | Nelson, E. Charles | Article in Journal | | 2012 |
| All in the blood : a memoir | Dillon, Geraldine Plunkett, 1891-1986 | Monograph or Collective Volume | A. & A. Farmar | 2006 |
| All in the mind? photographing the border | Rolston, Bill | Article in Journal | | 1998 |
| All standards of human conduct : the American commission on conditions in Ireland, 1920-21 | Carroll, F. M. | Article in Journal | | 1981 |
| Almost a class of helots in an alien land’ : the British state and Irish immigration, 1921–45 | Delaney, Enda | Article in Journal | | 1999 |
| Alternative government : "Exit Britannia" - the formation of the Irish national state, 1918-1921 | Mitchell, Arthur | Article in Book | | 2002 |
| Ambiguity in nationalism—the case of Ireland | Macdonagh, Oliver | Article in Journal | | 1981 |
| Ambushes and armour : the Irish rebellion 1919-1921 | Kautt, William H. | Monograph or Collective Volume | Irish Academic Press | 2010 |
| Ambushes in Dublin on the evening of 5 February 1921 | Anonymous | Article in Journal | | 2010 |
| Ambushes in the War of Independence 1919-21 | Kautt, W.H. (William Henry) | Article in Book | | 2017 |
| America and the Irish problem, 1899-1921 | Ward, Alan Joseph | Article in Journal | | 1968 |
| An Armagh incident - Scotch Street Bridge | Batchelor, John | Article in Journal | | 2008 |
| An chéad Dáil Éireann (1919-1921), (agus an Ghaeilge) | Ó Gadhra, Nollaig | Monograph or Collective Volume | Coiscéim | 1989 |
| An daonlathas agus an córas rialtais. Basil Chubb ag caint le hOghma | Anonymous | Article in Journal | | 1989 |
| An encounter with Michael Collins, 1921 | Boyce, David George, 1942- | Article in Journal | | 1975 |
| An FCÁ. A backward glance | Dukes, Jim | Article in Journal | | 1996 |
| An Gaodhal/The Gael (Oct.1881-Dec.1904) | Uí Fhlannagáin, Fionnuala | Article in Book | | 2025 |
| An historical geography of railways in Great Britain and Ireland | Turnock, David | Monograph or Collective Volume | Ashgate | 1998 |
| An intelligent person's guide to modern Ireland | Waters, John J. | Monograph or Collective Volume | Duckworth | 1997 |
| An introduction to archives of Roman Catholic congregations of women religious in Ireland, with particular reference to genealogical research | Cosgrave, Marianne | Article in Journal | | 1997 |
| An Iogainm Toin re Gaoith | Ó Maolfabhail, Art | Article in Journal | | 1982 |
| An IRA action at Fihoragh, 1921 | MacNerney, James | Article in Journal | | 2006 |
| An Irish 'cisiojanus' | O'Sullivan, William, 1921-2000 | Article in Journal | | 1987 |
| An Irish ambassador at the Spanish court, 1569-74 | Binchy, D. A. (Daniel Anthony), 1900-1989 | Article in Journal | | 1921 |
| An Irish banking revolution : the story of the National Land Bank Ltd, the National City Bank Ltd, Chase & Bank of Ireland (International) Ltd | Alymer, DesCantwell, DonalO'Connell, LouisQuinn, Peggy | Monograph or Collective Volume | Bank of Ireland for the authors | 1995 |
| An Irish perspective on empire : William Flavelle Monypenny and empire | Beaumont, Jacqueline | Article in Book | | 2004 |
| An Irish Rose in Texas | Lynch, Muireann | Article in Journal | | 1993 |
| An officer's wife in Ireland | Coogan, Tim PatWoodcock, Caroline | Monograph or Collective Volume | Parkgate Publications | 1994 |
| An tIomaire Ruad|An tIomaire Rua : cogadh na saoirse i dTuaisceart Chonamara | Ó Máille, Tomás, 1880-1938 | Monograph or Collective Volume | An Gúm | 2007 |
| An unholy alliance : Irish-Americans and the political construction of whiteness in Memphis, Tennessee, 1866-1879 | Page, Brian D. | Article in Journal | | 2002 |
| An unpublished letter from Charles I to the marquis of Ormonde | Orpen, G. H. (Goddard Henry) | Article in Journal | | 1921 |
| Anglo-Irish trade in the sixteenth century as illustrated by the English customs accounts and port books | Longfield, A. K. (Ada Kathleen), 1899-1987) | Article in Journal | | 1921 |
| Annual bibliography of British and Irish history : publications for 1982 | | Monograph or Collective Volume | Harvester Press for the Royal Historical Society | 1983 |
| Annual bibliography of British and Irish history : Publications of 1976 | | Monograph or Collective Volume | | 1977 |
| Annual bibliography of British and Irish history : Publications of 1977 | | Monograph or Collective Volume | | 1978 |
| Annual Bibliography of British and Irish History : publications of 1979 | | Monograph or Collective Volume | | 1980 |
| Annual bibliography of British and Irish History : publications of 1980 | | Monograph or Collective Volume | Harvester Press for the Royal Historical Society | 1981 |
| Annual bibliography of British and Irish history : publications of 1981 | | Monograph or Collective Volume | | 1982 |
| Annual bibliography of British and Irish history : publications of 1984 | | Monograph or Collective Volume | | 1985 |
| Annual Bibliography of British and Irish History, Publications of 1978 | | Monograph or Collective Volume | | 1979 |
| Annual Bibliography of British and Irish History, publications of 1983 | | Monograph or Collective Volume | | 1984 |
| Annual bibliography of British and Irish history. Publications of 1975 | | Monograph or Collective Volume | Harvester | 1976 |
| Anomalies of the Irish border | Rankin, Kieran | Article in Journal | | 1999 |
| Anticipating partition In Derry | Grant, Adrian | Article in Book | | 2022 |
| Appreciations. John Mulloy. Carrowbaun (and formerly of Shop Street) Westport (1921-2015) | | Article in Journal | | 2015 |
| Appreciations. Kathleen Corcoran. Slingan, Clogher, Westport and Convent of Mercy, Westport | | Article in Journal | | 2015 |
| Archaeology in Northern Ireland, 1921-51 | Evans, E. Estyn (Emyr Estyn), 1905-1989 | Article in Journal | | 1953 |
| Archbishop Walsh | Leslie, John Randolph (Shane), 1885–1971 | Article in Book | | 1960 |
| Archbishop Walsh and Mgr. Curran's opposition to the British war effort in Dublin, 1914-1918 | De Wiel, Jérôme aan | Article in Journal | | 2000 |
| Archbishop Walsh and St Mary's University College, 1893-1908 | O'Driscoll, Finbarr | Article in Journal | | 1985 |
| Archbishop Walsh and the 1913 Lock-out | Morrissey, Thomas J. | Article in Journal | | 2013 |
| Archbishop Walsh and the Commission on Manual and Practical Instruction | O'Donovan, Patrick F. | Article in Journal | | 1986 |
| Archbishop William Joseph Walsh | Ó Corráin, Daithí | Article in Book | | 2016 |
| Archives relating to Northern Ireland | Leonard, Jane | Article in Book | | 1994 |
| Armoured trucks in the Irish War of Independence | Joye, Lar | Article in Journal | | 2021 |
| Arthur Bateman: children's champion | Murray, Dolores | Article in Journal | | 2011 |
| Arthur Griffith | McGee, Owen | Article in Book | Cork University Press | 2024 |
| Arthur Griffith's Rifle | Kenny, Colum | Article in Journal | | 2020 |
| Arthur Hill and the Crawford Art Gallery | Ó Riain-Raedel, Dagmar | Article in Journal | | 2019 |
| Aspects of English, Welsh, Scottish and Irish migrations | Donnachie, Ian L.Pryce, W. T. R. | Article in Book | | 1994 |
| Aspects of Irish unionism before the treaty | Morrall, J. B. | Article in Journal | | 1972 |
| Aspects of the Anglo-Irish struggle, 1919-1921 | Ó Muraíle, Nollaig | Article in Journal | | 1972 |
| Aspects of the Irish language movement | MacPóilin, Aodán | Article in Book | | 1997 |
| Assignment America : De Valera's mission to the United States | O'Doherty, Katherine | Monograph or Collective Volume | De Tanko | 1957 |
| Assimilation and alienation : Irish emigrants' responses to industrial America, 1871-1921 | Miller, Kerby A. | Article in Book | | 1985 |
| Association football and society in pre-partition Ireland | Garnham, Neal | Monograph or Collective Volume | Ulster Historical Foundation | 2004 |
| At the graveside : commemorative orations | McCartney, Donal | Article in Book | | 2006 |
| Athrú ag teacht : Conradh na Gaeilge, Ardfheis 1915 agus Eirí amach na Cásca | Ó Cathasaigh, Aindrias | Monograph or Collective Volume | Coiscéím | 2016 |
| Atlantic connections: Eamon de Valera, the United States and Irish America, 1917-1921 | Cosi, Gessica | Thesis | | 2013 |
| Attempted ambush and escape from Stacumny, 2 July 1921 | Cullen, Seamus | Article in Journal | | 2013 |
| Attempting to reconcile the red and the green | Quinn, Michael | Article in Journal | | 2017 |
| Augustine Birrell and Archbishop William Walsh's influence on the founding of the National University | O'Flynn, Gráinne | Article in Journal | | 1976 |
| Autobiographical sketch of Governor Charles J. McCarthy of Hawaii | McCarthy, Charles J. | Article in Journal | | 1921 |
| Bagenalstown 1913-1921. Extracts from the Bureau of Military History 1913-1921. Collection in the Military Archives | | Article in Journal | | 2015 |
| Ballyclough Co-op, the early years | Hough, John | Article in Journal | | 2006 |
| Ballykinlar internment camp, Co. Down 1920-1922 | O'Duibhir, Liam | Article in Journal | | 2009 |
| Bannow | Ó Broin, Tomás | Article in Journal | | 1921 |
| Barrack and community in a time of revolution : the East Yorkshire Regiment in Westmeath, 1919-21 | Hughes, Paul | Article in Book | Geography Publications | 2022 |
| Barristers in Ireland : an evolving profession since 1921 | Howlin, Niamh | Monograph or Collective Volume | Four Courts Press | 2023 |
| Barry's flying column | Butler, Ewan | Monograph or Collective Volume | Cooper | 1971 |
| Becoming 'a useful member of society' : an analysis of policy approaches and treatment of the young offenders in the borstal system in Ireland, Clonmel, 1906-21 | Reidy, Conor Anthony | Thesis | | 2007 |
| Being religious in Northern Ireland, 1921–2021 | Holmes, Andrew R. | Article in Book | | 2022 |
| Beleaguered : a history of the RIC in West Cork during the War of Independence | Kingston, Diarmuid | Monograph or Collective Volume | [the author] | 2013 |
| Belfast newspapers past and present | Campbell, A. | Monograph or Collective Volume | [s.n.] | 1921 |
| Belfast Trades Council, 1881-1921 | Collins, Peter Gerard | Thesis | | 1988 |
| Bellemont - a prize-winning farm | Robinson, Ann | Article in Journal | | 2002 |
| Bernard Doyle and Fáinne an Lae (1898-1900) | Nic Pháidín, Caoilfhionn | Article in Book | NA | 2025 |
| Between parity and particularity : agricultural policy in Northern Ireland, 1921-72 | Greer, Alan | Thesis | | |
| Beyond the troubles? Northern Ireland's past and future : a socialist analysis | Hadden, Peter | Monograph or Collective Volume | Herald | 1994 |
| Bibliography | Bardon, Jonathan, 1941-Hill, Jacqueline R. | Article in Book | | 2003 |
| Bibliography | Whyte, John | Article in Book | | 1993 |
| Bibliography | Benson, CharlesMulvey, Helen F. | Article in Book | | 1996 |
| Bibliography | Benson, CharlesMulvey, Helen F. | Article in Book | | 1996 |
| Bibliography of Irish history, 1912-1921 | Carty, JamesNational Library of Ireland | Monograph or Collective Volume | The Stationery Office | 1936 |
| Bibliography of Irish history, 1912-1921 | Carty, James | Monograph or Collective Volume | | 1936 |
| Bigotry and politics in Belfast from the Victorian era to the twentieth century | Boyd, Andrew, 1921- | Article in Book | | 1995 |
| Bigotry in 'Bama : De Valera's visit to Birmingham Alabama, April 1920 | Franklin, David Byrd | Article in Journal | | 2004 |
| Binding memories of Trinity library | O'Sullivan, William, 1921-2000 | Article in Book | | 1992 |
| Birth of the border : the impact of partition in Ireland | Moore, Cormac | Monograph or Collective Volume | Merrion Press | 2019 |
| Birth, death and exile : Irish population history, 1700-1921 | Clarkson, L. A. (Leslie A.)Kennedy, L. | Article in Book | | 1993 |
| Black Abbey, County Down | Hamilton, G. E. | Article in Journal | | 1921 |
| Black on green : Afro-American editors on Irish independence, 1840-1921 | Shankman, Arnold | Article in Journal | | 1980 |
| Blood for blood : the Black and Tan war in Galway | Henry, William | Monograph or Collective Volume | Mercier | 2012 |
| Bolg an tSolair : Gaelic Magazine (1795) and the recommencement of printing in Irish | Ní Uigín, Dorothy | Article in Book | | 2025 |
| Bookbinders' Consolidated Union banner | Callan, Charles | Article in Journal | | 1993 |
| Border trouble : Unionist perceptions of and responses to the independent Irish state, 1921-39 | Kennedy, Dennis | Article in Book | | 2010 |
| Bordering two unions : Northern Ireland and brexit | De Mars, SylviaMurray, ColinO'donoghue, AoifeWarwick, Ben | Monograph or Collective Volume | Policy Press | 2018 |
| Breaking down binaries: Empire, the First World War and Partition | Gallagher, Niamh | Article in Book | | 2023 |
| Brian Faulkner : success or failure? : a political biography | Foy, Jason | Thesis | | |
| Brian Faulkner and the crisis of Ulster unionism | Boyd, Andrew, 1921- | Monograph or Collective Volume | Anvil | 1972 |
| Brian Moore : a biography | Craig, Patricia | Monograph or Collective Volume | Bloomsbury | 2002 |
| Brian Moore : the cameleon novelist | Sampson, Denis | Monograph or Collective Volume | Marino Books | 1998 |
| Brian Moore papers : special collections, University of Calgary library | Holmgren, Michele | Article in Journal | | 2019 |
| Britain and Ireland 1880-1921 : searching for the scapegoat | Collins, Christopher | Article in Journal | | 1991 |
| Britain and Ireland from the Treaty to the Troubles : independence and interdependence, c. 1921-1973 | Carr, Richard, 1985- | Monograph or Collective Volume | Routledge | 2025 |
| Britain and the Independence of the Dominions : the 1921 Crossroads | Harkness, D. W. | Article in Book | | 1978 |
| British Army armoured cars in the War of Independence | Joye, Lar | Article in Journal | | 2021 |
| British Army intelligence in provincial Ireland, 1919-1921 : organisation, outcomes and the 6th Division blacklist | Bielenberg, Andy ; Borgonovo, John | Article in Journal | | 2023 |
| British broadcasting in Northern Ireland : a contradiction in terms? | Butler, David Henry Edgeworth | Article in Book | | 1994 |
| British Conservative opinion, the Ulster question, and partition of Ireland, 1912-21. | Boyce, David George, 1942- | Article in Journal | | 1970 |
| British intelligence and the Anglo-Irish truce, July - December, 1921 | Mc Mahon, Paul | Article in Journal | | 2007 |
| British intelligence in Ireland, 1914-1921 | O'Halpin, Eunan | Article in Book | | 1984 |
| British intelligence in Ireland, 1920-21 : the final reports | | Monograph or Collective Volume | Cork University Press | 2002 |
| British interparty conferences : a study of the procedure of conciliation in British politics, 1867-1921 | Fair, John D. | Monograph or Collective Volume | | 1980 |
| British labour and Ireland 1918-1921 : the retreat to Houndsditch | Schneider, F. D. | Article in Journal | | 1978 |
| British policy in Ireland, 1906-1921 | Townshend, Charles | Article in Book | | 1988 |
| British Policy towards Ireland, 1921-1941 | Canning, Paul | Monograph or Collective Volume | Clarendon Press | 1985 |
| British politics and the Irish question | Boyce, David George, 1942- | Article in Book | | 1994 |
| British security policy in Ireland, 1919-1921 | Jeffery, Keith | Article in Book | | 1994 |
| British security policy in Ireland, 1920-1921 | Ainsworth, John | Article in Journal | | 2001 |
| British soldier 'disappeared' by IRA found | Ó Ruairc, Pádraig Óg | Article in Journal | | 2018 |
| British spy system in 1920-21, intelligence chief's revelations - incident in Co. Wicklow recounted | Noonan, P. J. | Article in Journal | | 2001 |
| British voices from the Irish war of independence, 1918-1921 : the words of British servicemen who were there | Sheehan, William, 1968- | Monograph or Collective Volume | Collins Press | 2005 |
| British-Irish relations and Northern Ireland : from violent politics to conflict regulation | O'Duffy, Brendan | Monograph or Collective Volume | Irish Academic Press | 2007 |
| Broken glass and batoned crowds : Cathleen Ni Houlihan and the tensions of transition | Murphy, James H. | Article in Book | | 2004 |
| Brothers-In-Arms: The Tormeys | Sheehan, John | Article in Book | | 2017 |
| Bruree workers declare a Soviet | Anonymous | Article in Journal | | 1991 |
| Bunailt na saoirse | Mac Suibhne, Traolach | Monograph or Collective Volume | Coiscéim | 2015 |
| Burning of Charlemont Fort | Barden, Sean | Article in Journal | | 2008 |
| Burning of the Dublin custom house : a graphic account of an historic exploit | O'Kelly, M. J. (Michael Joseph) | Article in Journal | | 1942 |
| Businessmen and the development of Ulster Unionism, 1886-1921 | Ollerenshaw, Philip, 1953- | Article in Journal | | 2000 |
| C.I. Hobson of Benburb : historian and antiquarian | Dillon, Charles | Article in Journal | | 1992 |
| Calico to whiskey: a case study on the development of the distilling industry in the Naas revenue collecting district, 1700-1921 | Given, Patrick | Thesis | | 2011 |
| Captain E. Gerrard, Rathfarnham, A.D.C. 5th Division British Forces in Ireland 19160-1921. | Gerrard, E., Captain | Article in Book | | 2016 |
| Captain Frank Hurley (1891-1921). 3rd West Cork Brigade Irish Republican Army | Mahony, Greg | Article in Journal | | 2023 |
| Captain James Howard, Col. William Lithgow, Col. Arthur Noble, and other Irish pioneers of Maine | O'Dwyer, George Francis | Article in Journal | | 1921 |
| Carrick-on-Shannon | Gilligan, Billy | Article in Journal | | 1998 |
| Carson, Craig and the partition of ireland | Buckland, Patrick | Article in Book | | 1994 |
| Case Study – Agrarian Unrest in Civil War Ireland | Laird, Heather | Article in Book | Cork University Press | 2024 |
| Case Study – Everyday Life in Dublin during the Irish Civil War | Yeates, Pádraig | Article in Book | Cork University Press | 2024 |
| Case Study – Graffiti at Ash Hill Towers | Harte, Aidan ; Murray, Niall ; Brück, Joanna | Article in Book | Cork University Press | 2024 |
| Case Study – Irish Civil War Imprisonment, Humanitarianism and the Red Cross | Brazil, Lia | Article in Book | Cork University Press | 2024 |
| Case Study – Military Dress and the Irish Civil War | Godson, Lisa | Article in Book | Cork University Press | 2024 |
| Case Study – Parliamentary Politics and the Experience of Dáil Éireann during the Irish Civil War | Murphy, Gary | Article in Book | Cork University Press | 2024 |
| Case Study – Poor Law Reform in Revolutionary and Independent Ireland | Lucey, Donnacha Seán | Article in Book | Cork University Press | 2024 |
| Case Study – Songs of the Irish Civil War | Moylan, Terry | Article in Book | Cork University Press | 2024 |
| Case Study – The 1923 Land Act | Dooley Terence | Article in Book | Cork University Press | 2024 |
| Case Study – The Executions Policy | Enright, Seán | Article in Book | Cork University Press | 2024 |
| Case Study – The Treaty Debates and the Irish Civil War | Weeks, Liam ; Ó Fathartaigh, Mícheál | Article in Book | Cork University Press | 2024 |
| Case Study – Tormore: The strategic use of a cave dugout during Sligo’s Civil War | Mulraney, Robert ; Dowd, Marion ; Bonsall, James | Article in Book | Cork University Press | 2024 |
| Case Study – Unfinished Business in Post-Civil War Ireland: The repatriation of Fr Albert Bibby and Fr Dominic O’Connor | Borgonovo, John | Article in Book | Cork University Press | 2024 |
| Case Study – Veterans, Memorialisation and the Old IRA Movement in Post-Civil War Ireland | Borgonovo, John | Article in Book | Cork University Press | 2024 |
| Case Study – Violence against Women during the Irish Civil War | Connolly, Linda | Article in Book | Cork University Press | 2024 |
| Case Study – ‘Freedom or the Grave’: The mass hunger strike of October–November 1923 | O’Keeffe, Hélène | Article in Book | Cork University Press | 2024 |
| Case Study – ‘Small House’ Burnings during the Irish Civil War: A County Kilkenny case study | Walsh, Eoin Swithin | Article in Book | Cork University Press | 2024 |
| Case Study – ‘This Great Institution for Peace’: How Ireland joined the League of Nations in 1923 | Kennedy, Michael (Michael J.) | Article in Book | Cork University Press | 2024 |
| Cast a cold eye : memories of a poet's son and politician | Yeats, Michael B. | Monograph or Collective Volume | Blackwater | 1998 |
| Catalogue of the Irish manuscripts in the library of Trinity College, Dublin | Abbott, T. K.Gwynn, E.J. (Edward John) | Monograph or Collective Volume | Hodges Figgis; Longmans Green | 1921 |
| Cathal Brugha, 1874-1922 | Ó Cillín, Micheál | Article in Journal | | 1984 |
| Catholic Action as an organised campaign in Ireland, 1921-1947 | Curtis, Maurice | Thesis | | 2000 |
| Catholic faith of the Irish slums : London, 1840-70 | Gilley, Sheridan | Article in Book | | 1973 |
| Catholic grievances : comments | O'Hearn, Denis | Article in Journal | | 1987 |
| Catholic grievances in Northern Ireland : appraisal and judgement | Kovalchek, Kassian A. | Article in Journal | | 1987 |
| Catholic grievances, Catholic nationalism : a comment | O'Hearn, Denis | Article in Journal | | 1983 |
| Catholic priests and political violence in Ireland, 1919-21 | Heffernan, Brian J. | Thesis | | 2011 |
| Catholic-nationalist attitudes to education in Northern Ireland, 1921-1947 | Farren, Seán | Article in Journal | | 1989 |
| Catholics in Northern Ireland, 1921-1969 | Elliott, Marianne | Article in Book | Oxford University Press | 2024 |
| Catholics in the north of Ireland 1850-1921 | Hepburn, Anthony C. | Article in Book | | 1978 |
| Cavan in the period leading up to Partition | Donohoe, John | Article in Journal | | 2018 |
| Cecil King : a legacy of painting | Dowling, Oliver | Article in Journal | | 2008 |
| Celebrating 70 and towards the new century | Ahern, Bertie | Article in Book | | 1996 |
| Celtic Ireland | Mac Néill, Eoin | Monograph or Collective Volume | | 1921 |
| Celticism in exile : the London Gaelic League, 1917-1921 | Gannon, Darragh | Article in Journal | | 2010 |
| Celticism in exile : The London Gaelic League, 1917-1921 | Gannon, Darragh | Article in Journal | | 2010 |
| Celticism in exile: the London Gaelic League, 1917-21 | Gannon, Darragh | Article in Journal | | 2010 |
| Censorship and suppression of the Irish provincial press, 1914–1921 | Doughan, Christopher | Article in Journal | | 2018 |
| Censorship in the two Irelands, 1921-69 | Martin, Peter | Thesis | | 2003 |
| Chalres Houben (1921-93) | O'Leary, Anthony | Article in Book | | 2013 |
| Champion of the poor : Sir Charles Cameron, medical officer of health, 1862-1921 | Carroll, Lydia | Monograph or Collective Volume | A&A Farmar | 2010 |
| Changing the political landscape : murals and transition in Northern Ireland | Rolston, Bill | Article in Journal | | 2003 |
| Chomolungma - the Kilkenny connection | Higgins, K. | Article in Journal | | 2004 |
| Chronology of key events in the Ulster crisis | Anonymous | Article in Book | | 2006 |
| Church and school in Northern Ireland : a Catholic view; a Protestant view; a politician's view | Farren, SeánMacaulay, AmbroseWorrall, Stanley | Article in Journal | | 1980 |
| Church, state and nation in Ireland, 1898-1921 | Miller, David William, 1940- | Monograph or Collective Volume | Gill & Macmillan | 1973 |
| Ciothruadh's Yellow Book of Lecan | O'Sullivan, William, 1921-2000 | Article in Journal | | 1981 |
| Cisteoir Chonnradh na Gaedhilge, 1896-1921 | Bairéad, Ciarán | Article in Journal | | 1956 |
| Civil and military relations in Ireland, 1921-4 | Lawlor, Sheila | Thesis | | 1976 |
| Civil service reform in Ireland 1922 to 2012 | O'Toole, John | Thesis | | |
| Civil society under strain : intermediary organisations and the Irish Civil War | Kissane, Bill | Article in Journal | | 2000 |
| Civil war and aftermath, 1922-4 | Hopkinson, Michael | Article in Book | | 2003 |
| Civilians in the Military Service Pensions Collection | Nic Dháibhéid, Caoimhe | Article in Book | | 2023 |
| Claims at Chichester House relating to the County Kildare, 1700 | Upton, Henry A. S. | Article in Journal | | 1921 |
| Clár na gcaiticiosmaí Gaedhilge sa leabharlainn | | Article in Journal | | 1947 |
| Clash of cultures : the effect of cultures | Wilson, Des | Article in Book | | 1992 |
| Clashing symbols? : a report on the use of flags, anthems and other national symbols in Northern Ireland | Bryson, LucyMcCartney, Clem | Monograph or Collective Volume | Institute of Irish Studies, Queen's University of Belfast for the Community Relations Council | 1994 |
| Class experience, state and identity, a Northern perspective | Patterson, Henry | Article in Book | NA | 2023 |
| Class fractures: Ulster unionism and the
challenge of the Protestant working class | Parr, Connal | Article in Book | | 2022 |
| Cleansing rural Dublin : public health and housing initiatives in the South Dublin Poor Law Union, 1880-1920 | Cullen, Frank | Monograph or Collective Volume | Irish Academic Press | 2001 |
| Clonfin eighty-fifth anniversary | | Article in Journal | | 2006 |
| Co. Kerry, 1916-1921: a provincial view of the I.R.A. and the War of Independence | Joy, Sinéad | Thesis | | 2000 |
| Comdt. Paddy O'Brien and north Cork's fight for freedom | O'Connell, Denis | Article in Journal | | 1991 |
| Commemorating Northern Ireland, 1921–2021 | Torrance, David | Article in Journal | | 2022 |
| Commemorating Northern Ireland, 1921–2021 | Torrance, David | Article in Journal | | 2022 |
| Commissioners of Public Works in Ireland. Annual report. | Anonymous | Monograph or Collective Volume | | 1831 |
| Commonwealth records | | Article in Journal | | 1921 |
| Compensating southern Irish loyalists after the Anglo-Irish treaty | Brennan, Niamh Mary | Thesis | | 1995 |
| Compensation claims and women's experience of violence and loss in Revolutionary Ireland, 1921-23 | Coleman, Marie | Article in Book | | 2020 |
| Compensation paid in respect of properties burned in Ballyduff in the early hours of 1st November 1920 | Anonymous | Article in Journal | | 2003 |
| Comrades : inside the War of Independence | Ryan, Annie | Monograph or Collective Volume | Liberties Press | 2007 |
| Conflict between manager and teacher Gowran National School 1910-21 | Doyle, Joe | Article in Journal | | 2009 |
| Conflict, regulation and party competition in Northern Ireland | Mitchell, Paul | Article in Journal | | 1991 |
| Conservative nationalist rule in Donegal, 1880-1921 | Mac Laughlin, Jim | Article in Book | | 2013 |
| Consolidating ‘Ulster’: regime propaganda and architecture in the inter-war period | Loughlin, James | Article in Journal | | 1999 |
| Consolidation of the Irish revolution, 1921-22 : De Valera's plan | Bromage, Mary C. | Article in Journal | | 1968 |
| Constituting division impeding agreement : the neglected role of British nationalism in Northern Ireland | O'Dowd, Liam | Article in Book | | 1998 |
| Constitutional nationalism in Northern Ireland | Girvin, Brian | Article in Book | | 1994 |
| Constructing Identity in the Fledgling State | Crowley, John | Article in Book | Cork University Press | 2024 |
| Constructive Unionism and the shaping of rural Ireland, c.1880-1921 | Aalen, F. H. A. | Article in Journal | | 1993 |
| Consuming Irish Children: Advertising and the art of Independence, 1860-1921 | Clark, Lauren Rebecca | Monograph or Collective Volume | Peter Lang | 2017 |
| Contribution of University College, Dublin, to the national struggle, 1916-1921 | Hayes, Michael | Article in Book | | 1966 |
| Controlling women’s bodies in Northern Ireland, 1921–2021 | McCormick, Leanne | Article in Book | | 2022 |
| Controversial issues in Anglo-Irish relations, 1910-1921 | Maume, PatrickO'Leary, Cornelius | Monograph or Collective Volume | Four Courts | 2004 |
| Controversies in the history of British feminism, 1. The educators : female education; 2. The opponents : the anti-suffragists; 3. The rebels : Irish feminists; 4. The suffragists : towards the vote; 5. The workers : women and labour; 6. The militant : Christabel Pankhurst | | Monograph or Collective Volume | Routledge/Thommes Press and Kinokuniya Co. | 1995 |
| Cookstown '100' - 80 years of road racing : motorcycle road races 1921-2001 | Moffett, Val | Article in Journal | | 2002 |
| Coolacrease : the true story of the Pearson executions - an incident in the Irish War of Independence | | Monograph or Collective Volume | Aubane Historical Society | 2008 |
| Cork city 1917-1921 : a study of the city during the Irish War of independence | Borgonovo, John | Thesis | | 2010 |
| Correspondence of David Rothe and James Ussher 1619-23 | O'Sullivan, William, 1921-2000 | Article in Journal | | 1994 |
| Countess of Wicklow Memorial Hospital, Sea Road, Arklow | Byrne, MaryHickey, Maura | Article in Journal | | 2000 |
| County Donegal railways 1921-23 | Fitzgerald, J. D. | Article in Journal | | 1993 |
| County Limerick and the Irish revolution, 1913-21 | O'Callaghan, John | Thesis | | 2008 |
| County Tipperary 1921-1923 : a history in 60 documents | Marnane, Denis G. ; Darmody, Mary Guinan | Monograph or Collective Volume | Tipperary County Council Library Service | |
| Creating Belfast : technical education and the formation of a great industrial city, 1801-1921 | McCloy, Don | Monograph or Collective Volume | Nonsuch | 2009 |
| Creating the template? Teflections on the first decade of Irish diplomacy and the United States | Keown, Gerard | Article in Journal | | 2015 |
| Criminal offences, compensation and breaches of the truce in Drogheda in 1920-21 | Thornton, Martin | Article in Journal | | 1994 |
| Crossbarry (the national struggle, 1913-1921 : a pictorial record, VIII) | Lyons, Michael | Article in Journal | | 1998 |
| Cultúr agus an stát | Ó Síocháin, Séamus | Article in Book | | 1982 |
| Culture and colonization : view from the north, 1 | Foster, John Wilson | Article in Journal | | 1988 |
| Cumann Luthchleas Gael : from Thurles to Ardara (1894-1921) | McCaul, Liam | Article in Journal | | 1985 |
| Cumann na mBan | Anonymous | Article in Journal | | 1980 |
| Cumann na mBan activity in Clare 1917-1921 | Houlihan, Margaret | Article in Journal | | 2018 |
| Cumann na mBan in County Louth, 1914–1921 | Rogers, Ailbhe | Article in Book | | 2017 |
| Cumann na mBan in the War of Independence | Coleman, Marie | Article in Book | | 2017 |
| Cumann na Saoirse | Borgonovo, John | Article in Book | Cork University Press | 2024 |
| Curious journey : an oral history of Ireland's unfinished revolution | Griffith, Kenneth, 1921-2006O'Grady, Timothy | Monograph or Collective Volume | Hutchinson | 1982 |
| Curious journey : an oral history of Ireland's unfinished revolution | Griffith, Kenneth, 1921-2006O'Grady, Timothy | Monograph or Collective Volume | Mercier Press | 1998 |
| Da capo al fine : a life in music | Faris, Alex | Monograph or Collective Volume | Matador | 2009 |
| Dáil Éireann and the army : unity and division (1919-1921) | Nowlan, Kevin B. | Article in Book | | 1968 |
| Dánfhocail : Irish epigrams | | Monograph or Collective Volume | | 1921 |
| Dangans or Commons of New Church graveyard | Goode, P.J. | Article in Journal | | 2006 |
| Dante must have looked that way : a visit to James Joyce in the 1921 Paris diary of Jeanne Robert Foster | Salvato, Richard | Article in Journal | | 1996 |
| De Valera : a fateful visit | Power, Mairin | Article in Journal | | 1984 |
| Death and Killing in the Irish Civil War | Bielenberg, Andy ; Dorney, John ; O’Keeffe, Hélène | Article in Book | Cork University Press | 2024 |
| Death in the archives : witnessing war in Ireland, 1919-1921 | Dolan, Anne | Article in Journal | | 2021 |
| Decade of Centenaries: The Anglo-Irish Treaty Negotiations 1921 | Clancy, Julitta | Article in Journal | | 2022 |
| Decade of centenaries: the story of a World War I medal | Gacquin, William | Article in Journal | | 2019 |
| Defence and the role of Erskine Childers in the treaty negotiations of 1921 | Hawkings, F. M. A. | Article in Journal | | 1981 |
| Defying the IRA? Intimidation, coercion, and communities during the Irish Revolution | Hughes, Brian | Monograph or Collective Volume | Liverpool University Press | 2016 |
| Democratisation and political development in Ireland | Crotty, William | Article in Book | | 1998 |
| Demography, state and society : Irish migration to Britain, 1921-1971 | Delaney, Enda | Monograph or Collective Volume | Liverpool University Press | 2000 |
| Denis Patrick Moran and "the Irish colonial condition", 1891-1921 | O'Callaghan, Margaret | Article in Book | | 1993 |
| Department of Agriculture and Technical Instruction for Ireland, 1902-1921 : agricultural statistics, Ireland | | Monograph or Collective Volume | HMSO | 1921 |
| Der "Republic of Ireland Bill" vom 18. April 1949 : einige Überlegungen zur irischen Sezession vom British Commonwealth of Nations | Elvert, Jürgen | Article in Journal | | 1992 |
| Der Bruch. Irlands Weg in die Zweistaatlichkeit (1916-1921) | Elvert, Jürgen | Article in Book | | 1994 |
| Derry and Donegal politics: 1800-1921 | Murphy, Desmond | Article in Journal | | 2013 |
| Derry, Donegal and Modern Ulster, 1790-1921 | Murphy, Desmond | Monograph or Collective Volume | Aileach Press | 1981 |
| Desmond Leslie (1921-2001) : the biography of an Irish gentleman | O'Byrne, Robert | Monograph or Collective Volume | Lilliput Press | 2010 |
| Determined survivors: the Earls of Antrim 1870-1921 | Purdue, Olwen | Article in Journal | | 2011 |
| Devolution and public finance : Stormont from 1921 to 1972. | Green, Arthur John | Monograph or Collective Volume | Centre for the Study of Public Policy | 1979 |
| Dictionary of national biography | | Monograph or Collective Volume | | 1885 |
| Die 'irische Frage' : eine historische Studie zu einem gegenwärtigen Konflikt | Gallenmüller, Dagmar | Monograph or Collective Volume | Peter Lang | 1997 |
| Diplomatic relations between the Irish Republic and Soviet Russia, 1919-21 | Fitzgerald, Doireann | Article in Journal | | 1994 |
| Disbandment of the Royal Irish Constabulary | Hughes, Brian | Article in Book | Cork University Press | 2024 |
| Discerning the spirits. the Irish Jesuits and political violence, 1919-21 | Heffernan, Brian | Article in Journal | | 2014/2015 |
| Discrimination in Northern Ireland : a rejoinder | Hewitt, Christopher | Article in Journal | | 1983 |
| Divided Allies: Irish-America responds to the Irish Civil War | Doorley, Michael | Article in Book | Cork University Press | 2024 |
| DMP casualities during the War of Independence | Scannell, James | Article in Journal | | 2008 |
| Document: Letter of Frederick H. Armitage of Noan to his family following the IRA killing of estate employee David Cummins | Marnane, Denis G. | Article in Journal | | 2024 |
| Doing justice to the past: Relating pastness, presence, complexity | Leerssen, Joep | Article in Book | | 2023 |
| Domesticating the dragon : the rediscovery, reproduction and re-invention of early Irish metalwork | Camille, Michael | Article in Book | | 1992 |
| Donegal & the civil war: the untold story | Ó Duibhir, Liam | Monograph or Collective Volume | Mercier Press | 2011 |
| Donegal and the war of independence | Ó Duibhir, Liam | Article in Book | | 2013 |
| Donegal and the war of independence | Sweeney, Joseph C. | Article in Journal | | 1970 |
| Dr. James Walsh(e) Davidson | Dunlop, Eull | Article in Journal | | 2008 |
| Dramatic events in Cullyhanna, 1920-21 | Ó hUallocháin, Eamon | Article in Journal | | 2011 |
| Dromkeen ambush : an action of the Black-and-Tan period | McCarthy, J. M. | Article in Journal | | 1943 |
| Dublin Castle and the first Home Rule crisis : the political journal of Sir George Fottrell, 1884-1887 | Ball, StephenFottrell, George, Sir, 1849-1925 | Monograph or Collective Volume | Cambridge University Press for the Royal Historical Society | 2008 |
| Dublin Chamber of Commerce, 1912-1921 : report of the Council of the Dublin chamber of commerce (incorporated) for the year 1912 to the members of the Association | Dublin Chamber of Commerce | Monograph or Collective Volume | Dublin Chamber of Commerce | 1913 |
| Dublin in flames, 1922 | O'Brien, Paul | Article in Journal | | 2012 |
| Dublin University and the New World : a memorial discourse preached in the chapel of Trinity College, Dublin, May 23, 1921. | Murray, Robert Henry | Monograph or Collective Volume | | 1921 |
| Dublin's fighting story, 1913-1921 | Anonymous | Monograph or Collective Volume | Kerryman | 1948? |
| Dublin's fighting story, 1916-21 : told by the men who made it, with a unique pictorial record of the period | | Monograph or Collective Volume | Mercier Press | 2009 |
| Dun Laoghaire in the Civil war | Weafer, John | Article in Journal | | 2012 |
| Dynamics of social and political change in Northern Ireland | Whyte, John | Article in Book | | 1993 |
| Dynamics of social and political change in the Irish Republic | Lee, J.J. (John Joseph), 1942- | Article in Book | | 1993 |
| Éamon de Valera : na blianta réabhlóideacha | Mac Aonghusa, Proinsias | Monograph or Collective Volume | An Clóchomhar | 1982 |
| Eamon de Valera and Blackrock, 1898-1921 | Farragher, Sean | Article in Book | | 2003 |
| Eamon de Valera and the civil war in Ireland, 1922-1923 | Keogh, Dermot | Article in Book | | 2003 |
| Eamon de Valera, 1921-75 | Walsh, John | Article in Book | | 2008 |
| Early bus services in Ulster | Kennedy, M. L.McNeill, D. B. | Monograph or Collective Volume | Institute of Irish Studies QUB, In association with the Ulster Folk and Transport Museum | 1997 |
| Early days in Presentation College Bray, 1921-1933 | O'Brien, Malachy | Article in Journal | | 1990 |
| Early Irish cinema 1895-1921 | Condon, Denis | Monograph or Collective Volume | Irish Academic Press | 2008 |
| Early parish history | Ó Saothraí, Séamus | Article in Journal | | 1980 |
| East Clare, 1916-1921 | MacLysaght, Edward | Monograph or Collective Volume | Clare Champion | 1954 |
| Economic and social history, 1850-1921 | Gribbon, H. D. | Article in Book | | 1996 |
| Economic crisis and political Cold War, 1949-57 | Whyte, J. H. | Article in Book | | 2003 |
| Economic progress and political pragmatism, 1957-63 | Whyte, J. H. | Article in Book | | 2003 |
| Economy in independent Ireland | Bielenberg, Andy | Article in Book | | 2016 |
| Editors' Introduction: Irish Crime since 1921 | Meier, WilliamRoss, Ian Campbell | Article in Journal | | 2014 |
| Education and Women's mobility in Ireland and Irish America, 1880-1921 : a preliminary look | Nolan Janet A. | Article in Journal | | 1998 |
| Education of tubercular children in Northern Ireland, 1921 to 1955 | Kelly, Susan | Article in Journal | | 2011 |
| Edward J. Byrne 1872-1941 : the forgotten archbishop of Dublin | Morrissey, Thomas J. | Monograph or Collective Volume | Columba Press | 2010 |
| Edward Lhuyd's collection of Irish manuscripts | O'Sullivan, AnneO'Sullivan, William, 1921-2000 | Article in Journal | | 1962 |
| Edward Martyn and the founding of Dublin's Palestrina Choir | Nolan, J. C. M. | Article in Journal | | 2000 |
| Eglish townland histories | Pey, Brian | Article in Book | | 2003 |
| Eileen O'Connor (1892-1921). Founder of Sydney's Brown Nurses | O'Connell, Mary | Article in Journal | | 2004 |
| Éire saor agus Gaelach? The Military Service Pensions Collection and the Irish language | Aiken, Síobhra | Article in Book | | 2023 |
| Electioneering and Propaganda in Ireland, 1917–21
Votes, Violence and Victory | Callinan, Elaine | Monograph or Collective Volume | Four Courts | 2020 |
| Emergency in a country house : Shanbally Castle during the Second World War | Hajba, Anna-Maria | Article in Journal | | 2019 |
| Emigrant responses to war and revolution, 1914-21 : Irish opinion in the United States and Australia | Campbell, Malcolm | Article in Journal | | 2000 |
| Emigration and immigration in the twentieth century : an overview | Sexton, J. J. | Article in Book | | 2003 |
| Emigration, 1871-1921 | Fitzpatrick, David | Article in Book | | 1996 |
| Empire, war and partition | Jackson, Alvin | Article in Book | | 2023 |
| Employment of Catholics in the public service in Ireland, 1859-1921 : a broad overview | McElvoy, Gerald | Article in Book | | 1995 |
| Enchanted by dreams : the journal of a revolutionary | Good, Joe | Monograph or Collective Volume | Brandon | 1996 |
| Ending the pauper taint : medical benefit and welfare reform in Northern Ireland 1921-39 | Martin, Peter | Article in Book | | 2011 |
| Ending war in a 'sportsmanlike manner' : the milestone of revolution 1919-1923 | Dolan, Anne | Article in Book | | 2011 |
| England under the Tudors | Elton, Geoffrey Rudolph, Sir, 1921-1994 | Monograph or Collective Volume | Methuen | 1955 |
| Enlistment of ex-soldiers in the Royal irish Constabulary | | Article in Journal | | 2010 |
| Eoghan Ó Raghallaigh as an Srath Domhain | Anonymous | Article in Journal | | 1980 |
| Erin's Daughters in America : Irish Immigrant Women in the Nineteenth Century | Diner, Hasia | Monograph or Collective Volume | Johns Hopkins University Press | 1983 |
| Ernie O'Malley fails to take one last Barracks | Reddiough, James | Article in Journal | | 2007 |
| Essay in labour history. The left in Northern Ireland 1921-1932 | Norton, Christopher | Article in Journal | | 1995 |
| Essay. Class dismissed? The debate over a social basis to the Treaty split and Irish Civil War | Foster, Gavin | Article in Journal | | 2008 |
| Ethical Commemoration, Women, Violence and the Irish Revolution, 1919-23 | Connolly, Linda | Article in Book | | 2023 |
| Ethnicity, the English, and Northern Ireland : comments and reflections | Armstrong, Lord | Article in Book | | 1993 |
| Europe and the wider world | McAleese, Dermot | Article in Book | | 1998 |
| Evangelicalism and national identity in Ulster, 1921-1998 | Mitchel, Patrick | Monograph or Collective Volume | Oxford University Press | 2003 |
| Events in Carlow 1916-1921 | Nolan, William | Article in Journal | | 2018 |
| Events in Carlow 1920-1921 | Nolan, William | Article in Journal | | 1970 |
| Everyday Working Life in the Revolutionary Era: Two Case Studies | Clear. Catríona | Article in Book | | 2023 |
| Évolution du systëme scolaire nord-irlandais et naissance des écoles intégrées | Peyronel, Valérie | Article in Journal | | 1993 |
| Executed for Ireland : the Patrick Moran story | Moran, May | Monograph or Collective Volume | Mercier Press | 2010 |
| Execution | O'Callaghan, Seán | Monograph or Collective Volume | Muller | 1974 |
| Experiencing the Irish revolution: pension records and the sensory and emotional impact of armed conflict, | Coleman, Marie | Article in Book | | 2023 |
| F.S. Oliver, Alexander Hamilton, and the "American Plan" for resolving Britain's constitutional crises, 1903-1921 | Fair, John D. | Article in Journal | | 1999 |
| Facets of Irish education prior to 1921 with some reference to schools in mid-Antrim | Leith, Jack | Article in Journal | | 1983 |
| Faith and fatherland : the Christian Brothers and the development of Irish nationalism, 1838-1921 | Coldrey, Barry | Monograph or Collective Volume | Gill & Macmillan | 1987 |
| Faith and fervour : religion and nationality in Ulster | Morrow, Duncan | Article in Book | | 1994 |
| Family history as microhistory: Richard Lahert 1849-1921 | Ó Drisceoil, Proinsias | Article in Journal | | 2014 |
| Family snippets from the Irish Petty Sessions Court Registers | Sharkey, Joan | Article in Journal | | 2014 |
| Fat hogs and hungry men : Thackeray de Tocqueville and Cobbett in Ireland | Boyd, Andrew, 1921- | Article in Journal | | 2003 |
| Fatal influence : the impact of Ireland on British politics 1920-1925 | Matthews, Kevin | Monograph or Collective Volume | University College Dublin Press | 2004 |
| Fatalities of the Custom House Fire: Dublin 1921 | Smith, Brian | Monograph or Collective Volume | Brian Smith | 2020 |
| Father and son. The stained glass windows of Joshua and Harry Clarke, St Flannan's Church, Killaloe, Co. Clare | MacGabhann, Donncha | Article in Journal | | 2009 |
| Faulkner : conflict and consent in Irish politics | Bleakley, David | Monograph or Collective Volume | Mowbray | 1974 |
| Feartlaoithe (Elegies) Professor Kevin B. Nowlan (1921-2013) | Logue, Rose Mary | Article in Journal | | 2013 |
| Featured Review | Townshend, Charles | Article in Journal | | 2022 |
| Featured Review: 'The political thought of the Irish revolution'; edited by Richard Bourke and Niamh Gallagher | Donnelly, Seán | Article in Journal | | 2023 |
| Female fatalities in County Cork during the Irish War of Independence and the case of Mrs Lindsay | Bielenberg, Andy | Article in Book | NA | 2020 |
| Fermenting elements : the Labour Colleges of Ireland, 1924-1964 | Boyd, Andrew, 1921- | Monograph or Collective Volume | Donaldson Archives | 1999 |
| Ferns marriage licences | Stanley-Torney, Henry C. | Article in Journal | | 1921 |
| Ferocious times : the IRA, the RIC, and Britain's failure in 1919–1921 | Silke, Andrew | Article in Journal | | 2016 |
| Ferocious Times: The IRA, the RIC, and Britain’s failure in 1919-1921 | Silke, Andrew | Article in Book | Routledge | 2017 |
| Field troops (regulars) stationed in Irish Command end-June 1921 | | Article in Journal | | 2010 |
| Fifty years of Gaiety : Dublin's Gaiety theatre, 1871-1921 | Byrne, Patrick | Article in Journal | | 1984 |
| Fighting for Dublin : the British battle for Dublin, 1919-1921 | Sheehan, William, 1968- | Monograph or Collective Volume | Collins Press | 2007 |
| Fighting on their own terms: the tactics of the Irish Republican Army 1919-1921 | Cremin, Maura R. | Article in Journal | | 2015 |
| Florence and Josephine O'Donoghue's War of Independence : a destiny that shapes our ends | O'Donoghue, Florence, 1895-1967 | Monograph or Collective Volume | Irish Academic Press | 2006 |
| Football Association of Ireland : 75 years | Byrne, Peter | Monograph or Collective Volume | Sportsworld | 1996 |
| For Ireland and freedom : Roscommon's contribution to the fight for independence, 1917-1921 | O'Callaghan, Micheál | Monograph or Collective Volume | Roscommon Herald | 1964 |
| For Ireland and freedom : Roscommon's contribution to the fight for independence, 1917-1921 | O'Callaghan, Micheál | Monograph or Collective Volume | Colm O'Callaghan | 1991 |
| Foreword. Macnamh 100 - Part 1. The Context of the War of Independence|Réamhrá. Macnamh 100 - Cuid 1. Comhthéacs Chogadh na Saoirse | Higgins, Michael D. | Article in Book | | 2023 |
| Fortune's daughters : the extravagant lives of the Jerome sisters - Jennie Churchill, Clara Frewen and Leonie Leslie | Kehoe, Elisabeth | Monograph or Collective Volume | Atlantic | 2004 |
| Founding a legal system : the early judiciary of Northern Ireland | Carswell, Robert, Lord Carswell | Article in Book | | 2013 |
| Fr James Cullen, Founder of the Pioneer Total Abstinence Association | McDarby, John | Article in Journal | | 2016 |
| Framing the Irish Revolution : Ken Loach's The Wind That Shakes the Barley | Ó Drisceoil, Donal | Article in Journal | | 2009 |
| Frank Aiken : family, early life and the revolutionary period, 1898-1921 | Magennis, Eoin | Article in Book | | 2014 |
| Frank Dempsey - Mayor of Mallow in troubled times | Kavanagh, Moira | Article in Journal | | 2016 |
| Frank Flood and the Drumcondra Ambush | Ryan, Seán | Article in Journal | | 2018 |
| Free state or republic? Pen pictures of the historic treaty sessions of Dáil Éireann | Boyle, John F.De Burca, Pádraig | Monograph or Collective Volume | University College Dublin Press | 2002 |
| Freedom and the fifth commandment. Catholic priests and political violence in Ireland, 1919-21 | Heffernan, Brian | Monograph or Collective Volume | Manchester University Press | 2014 |
| French Canadians and the Irish question, 1900-21 | Jolivet, Simon | Article in Book | | 2009 |
| Frewen's Anglo-American campaign for federalism, 1910-21 | Ward, Alan Joseph | Article in Journal | | 1967 |
| From Baldonnel to Shannon : Irish civil aviation policy, 1921-1935 | O'Grady, Joseph P. | Article in Journal | | 1997 |
| From Burncourt to Jarama | Ó Cathaoir, Brendan | Article in Journal | | 2006 |
| From first Dáil through Irish Free State | Farrell, Brian | Article in Book | | 1988 |
| From Laois to America and back : a transnational bonanza of one's own | Spiegelman, Robert | Article in Journal | | 2008 |
| From New York to Ballyfermot: the Thompson submachine gun and the Irish War of Independence | Ó Maonaihgh, Aaron | Article in Journal | | 2021 |
| From Parnell to Pearse (1891-1921) | McCartney, Donal | Article in Book | NA | 1967 |
| From protectionism to enterprise : a review of Irish industrial policy | Drudy, P. J. | Article in Book | | 1995 |
| From public defiance to guerilla warfare : the experience of ordinary volunteers in the Irish War of Independence, 1916-1921 | Augusteijn, Joost | Monograph or Collective Volume | Irish Academic Press | 1996 |
| From Sellerna to Harley Street | Mac Lochlainn, C. D. | Article in Journal | | 1993 |
| From the bridge to the abyss | Snoddy, Oliver | Article in Journal | | 1972 |
| From the treaty to the civil war | Williams, Desmond T. | Article in Book | | 1968 |
| From tradition to modernity, and back again : party building in Ireland | Carty, R. K. | Article in Book | | 1993 |
| From treaty to civil war, 1921-2 | Hopkinson, Michael | Article in Book | | 2003 |
| From truce to civil war : reactions to the 1921 Anglo-Irish treaty in County Cork, July 1921-June 1922 | McAuliffe, Michael | Thesis | | 2003 |
| From war to neutrality : Anglo-Irish relations, 1921-1950 | Boyce, David George, 1942- | Article in Journal | | 1979 |
| From Waterford to Ballykinlar: internment during the War of Independence | McCarthy, Pat | Article in Journal | | 2014 |
| From workhouse to hospital : medical relief in Ireland, 1838-1921 | O'Kelly, Patricia | Thesis | | 1972 |
| G.H.Q. and Richard Mulcahy in the War of Independence | Taaffe, Patrick | Article in Journal | | 2013 |
| Galway, 1920-1921 | Dolan, Martin | Article in Journal | | 1970 |
| Games between frontiers. Northern Ireland as ethnic frontier | Morrow, Duncan | Article in Book | | 1994 |
| Gender and twentieth-century Irish migration 1921-71 | Delaney, Enda | Article in Book | | 2001 |
| Geography of guerrilla warfare | Smith, Ann-Marie | Article in Journal | | 2000 |
| George Carew's Irish maps | O'Sullivan, William, 1921-2000 | Article in Journal | | 1983 |
| George Dames Burtchaell | Slevin, Gerard | Article in Journal | | 1969 |
| George Russell, D. P. Moran and Tom Kettle | Mulhall, Daniel | Article in Book | | 2016 |
| Gerard Murphy, disappearing Freemasons and the limits of ideological revisionism. The Cork fatality register for the War of Independence | Bielenberg, Andy | Article in Journal | | 2017 |
| Glangevlin's Irish college : Ardscoil Bhréifne, part 1 | Ó Mórdha, Séamus | Article in Journal | | 1989 |
| Gleanings from the "Mid-Ulster Mail", 1891-1921 | O'Kane, Louis | Article in Journal | | 1982 |
| Glencairn | Burke, Thomas A. | Article in Journal | | 2020 |
| Gné na faisnéise rúnda de Chogadh na Saoirse in Éirinn, 1919-21 | Ó Comhraí, Cormac | Thesis | | 2002 |
| Governance structures and economic performance : the case of Northern Ireland | Teague, Paul | Article in Journal | | 1994 |
| Governing Ireland : British politicians and Ireland, 1800-1921 | Hoppen, K. Theodore, 1941- | Monograph or Collective Volume | Oxford University Press | 2016 |
| Graffiti and Geographies of the Women of Kilmainham Gaol during the Irish Civil War | McAtackney, Laura | Article in Book | Cork University Press | 2024 |
| Green against green : the Irish civil war | Hopkinson, Michael | Monograph or Collective Volume | Gill & Macmillan | 1988 |
| Green tears for Hecuba | Twohig, Patrick J. | Monograph or Collective Volume | Gaelic Press | 1979 |
| Green tears for Hecuba : Ireland's fight for freedom | Twohig, Patrick J. | Monograph or Collective Volume | Tower Books | 1994 |
| Green white orange : the history of the Republic of Ireland soccer shirt 1921-2021 | O'Mahony, Eddie | Monograph or Collective Volume | Lettertec Publishing | 2021 |
| Ground truths : British army operations in the Irish war of independence | Kautt, W. H. | Monograph or Collective Volume | Irish Academic Press | 2014 |
| Growth, 1890-1921 | Pine, Richard | Article in Book | | 1998 |
| Guard-ships at Kingstown | Lowth, Cormac F. | Article in Journal | | 2014 |
| Guerilla days in Ireland | Barry, Thomas Bernardine, 1897-1980 | Monograph or Collective Volume | Anvil | 1981 |
| Guerilla days in Ireland : a first-hand account of the Black and Tan war (1919-1921) | Barry, Thomas Bernardine, 1897-1980 | Monograph or Collective Volume | Devin-Adair | 1956 |
| Guerras Irlandesas | Anonymous | Monograph or Collective Volume | QuidNovi | 2002 |
| Guerre civile en Irlande | Casteran, Christian | Monograph or Collective Volume | Mercure de France | 1970 |
| Guerrilla warfare in the Irish War of Independence, 1919-1921 | McKenna, Joseph | Monograph or Collective Volume | McFarland | 2011 |
| Handwritten rebellion: autograph albums of Irish republican prisoners in Frongoch | Helmers, Margaret | Article in Journal | | 2018 |
| Hanged for Ireland : 'the forgotten ten', executed 1920-21 : a documentary history | Carey, Tim | Monograph or Collective Volume | Blackwater | 2001 |
| Hardship, help and happiness in oral history narratives of women's lives in Ireland, 1921-1961 | Clear, Caitríona | Article in Journal | | 2003 |
| Harry Boland's American revolution, 1919-1921 | Fitzpatrick, David | Article in Book | | 2003 |
| Have the trade unions failed the North? | Boyd, Andrew, 1921- | Monograph or Collective Volume | Mercier Press | 1984 |
| Havoc : the auxiliaries in Ireland's War of Independence | O'Brien, Paul | Monograph or Collective Volume | Collins Press | 2017 |
| He came looking for his son: the story of three boy soldiers of the Manchester Regiment caught up in the Irish Revolution | Duggan, Vincent | Article in Journal | | 2024 |
| Health and housing in Dublin, c.1850-1921 | Aalen, F. H. A. | Article in Book | Geography Publications | 1992 |
| Healthcare in Ireland and Britain from 1850 : voluntary, regional and comparative perspectives | | Monograph or Collective Volume | Institute of Historical Research | 2015 |
| Heirs to the kingdom : Kerry's political dynasties | O'Shea, Owen | Monograph or Collective Volume | O'Brien | 2011 |
| Henry Brenan, the King's County Crown Solicitor 1916-21 | Byrne, Michael | Article in Journal | | 2016 |
| Henry William Lett | Praeger, R. Lloyd | Article in Journal | | 1921 |
| Here and there in Duhallow | Ó Riain, Pádraig | Article in Journal | | 1980 |
| Hesitant comrades: the Irish revolution and the British labour movement | Bell, Geoffrey | Monograph or Collective Volume | Pluto | 2016 |
| Hidden treasure : sources for Catholic history in the Derby collection, Liverpool Record Office | Davies, John | Article in Journal | | 2007 |
| Hide, seek and negotiate : Alfred Cope and counter intelligence in Ireland, 1919-1921 | Sloan, Geoffrey R. | Article in Journal | | 2018 |
| High-Victorian stained glass by Lavers & Barraud in six churches in county Cork | Lawrence, David
| Article in Journal | | 2012 |
| Higher education, 1793-1908 | Parkes, Susan M. | Article in Book | | 1996 |
| Higher education, 1908-84 | Coolahan, John | Article in Book | | 2003 |
| Hinton Edward Lowe Vice-President, The Butler Society (Australia) | Butler, Abigail | Article in Journal | | 2014 |
| History and structure in loyalist ideology : the possibilities of ideological change | Todd, Jennifer | Article in Journal | | 1994 |
| History Lives: Century old Bandon mystery links kidnapping of Charles Sealy-King and Lord Bandon in June 1921 | O'Keeffe, Jane O'Hea | Article in Journal | | 2022 |
| History of Monaghan for two hundred years 1660-1860 | Rushe, Denis Carolan | Monograph or Collective Volume | Clogher Historical Society | 1996 |
| History of the Anglo-Irish province of the Missionary Oblates of Mary Immaculate : part 1 : 1841-1921 | Denny, Vincent | Monograph or Collective Volume | Oblate Fathers | 1991 |
| Holy Office documents concerning Terence MacSwiney's hunger strike (1920) | Belletti, Alberto | Article in Journal | | 2018 |
| Holy war in Belfast | Boyd, Andrew, 1921- | Monograph or Collective Volume | Pretani Press | 1987 |
| Holy war in Belfast | Boyd, Andrew, 1921- | Monograph or Collective Volume | Anvil | 1969 |
| Home rule and the historians | O'Day, Alan | Article in Book | | 1996 |
| Home rule as Rome rule : the unspoken unionist and loyalist case | Kelleher, Derry | Monograph or Collective Volume | Justice Books | 1997 |
| Home Rule, democracy and the unmaking of the United Kingdom, 1885-1921 | Biagini, Eugenio | Article in Journal | | 2019 |
| Hon. Patrick J. McCarthy | Lee, Thomas Zanslaur | Article in Journal | | 1921 |
| How did 1916 influence the rise of republicanism in Meath between 1917 and 1921? [Part 1]|(Part 2) | Courtney, Ultan | Article in Journal | | 2017 |
| How I liked Dublin | Martineau, G. D. | Article in Journal | | 1941 |
| How it began, what might have been? political memoirs of Northern Ireland in the 1960s | Mulholland, Marc | Article in Journal | | 2018 |
| How much discrimination was there under the Unionist regime, 1921-68? | Whyte, John | Article in Book | | 1983 |
| How to settle the Irish question : Lloyd George and Ireland, 1916-21 | Boyce, David George, 1942- | Article in Book | | 1971 |
| Hugh Kennedy, the Childers habeas corpus application and the return to the Four Courts | Hogan, Gerard | Article in Book | | 1996 |
| Hugh Lane's life and achievement, with some account of the Dublin galleries | Gregory, Isabella Augusta, Lady, 1852-1932 | Monograph or Collective Volume | | 1921 |
| Hurling cost him his life : the death of Captain Patrick White on Spike Island, 1 June 1921 | Ringrose, Des | Article in Journal | | 1998 |
| Hyphenism in St. Louis, 1900-1921 : the view from the outside | Sullivan, Margaret Lo Piccolo | Monograph or Collective Volume | Garland | 1990 |
| I met murder on the way : the story of the Pearsons of Coolacreese | Stanley, Alan | Monograph or Collective Volume | Aimhirgin | 2005 |
| I.R.A. Officers and Units, 11 July 1921: the Bureau of Military History list | | Article in Journal | | 2010 |
| Idir peil agus pobal | Mac a'Ghoill, Pádraig S.Mac Conaill, Seán | Monograph or Collective Volume | Black Lion Books | 2004 |
| Iers verzet tegen de staatkurdige eenheit der Britse Eilanden 1800-1921 : een politick-geografische studie van integratie-en desintegratieprocessen | Wusten, H. van der | Monograph or Collective Volume | Sociaal-geografisch Instituut | 1977 |
| Il viaggio di Berkeley in Sicilia ed i suoi rapporti con un filosofo poeta | Rossi, Mario Manlio | Article in Journal | | 1921 |
| Illuminating the tragedies of Kerry: the Military Service Pensions Collection and the Civil War in Kerry | Ó Corráin, Daithí | Article in Book | | 2023 |
| Images, icons and the Irish nationalist imagination, from the Manchester martyrs through the commemoration of the heroes of the War of Independence | McBride, Lawrence W. | Article in Book | | 1999 |
| Imagining Ireland's independence : the debates over the Anglo-Irish treaty of 1921 | Knirck, Jason K., 1971- | Monograph or Collective Volume | Rowman & Littlefield | 2006 |
| Immanuel Jakobovits : a prophet in Israel | | Monograph or Collective Volume | Vallentine Mitchell | 2002 |
| Imperial Sunset. 1 : Britain's Liberal Empire 1897-1921; 2 : Dream of Commonwealth 1921-1942. 2 vols. | Beloff, Max Beloff, Baron, 1913- | Monograph or Collective Volume | | 1969 |
| Implementing the 1921 Treaty : Lionel Curtis and Constitutional Procedure | McColgan, John | Article in Journal | | 1977 |
| Important participators with the leaders, 1918-21 | O'Doherty, Liam | Article in Journal | | 1976 |
| Imprisonment and the War of Independence | Murphy, William | Article in Book | | 2017 |
| In defence of the Dublin accent | Clery, Arthur | Article in Book | | 2016 |
| In defence of the Treaty | Collins, Michael | Article in Book | Penguin Ireland | 2016 |
| In great haste : the letters of Michael Collins and Kitty Kiernan | Ó Broin, León, 1902-1990 | Monograph or Collective Volume | Gill & Macmillan | 1996 |
| In London with the Treaty delegates : personal recollections | McKenna, Kathleen | Article in Journal | | 1971 |
| In oiriúint do pháistí scoile: leagan scoile an tSeabhaic de Jimín Mháire Thaidhg | Mac Maghnuis, Brian | Article in Book | NA | 2014 |
| In search of order, permanence and stability : building Stormont, 1921-32 | Officer, David | Article in Book | | 1996 |
| In search of peaks, passes and glaciers : Irish Alpine pioneers | Nugent, Frank | Monograph or Collective Volume | Collins | 2013 |
| In the fever king's preserves : Sir Charles Cameron and the Dublin slums | Carroll, Lydia | Monograph or Collective Volume | A. & A. Farmar | 2011 |
| In the legion of the vanguard : John A. Pinkman | | Monograph or Collective Volume | Mercier Press | 1998 |
| In the shade of Slievenamon : the Flying Column west Kilkenny, 1916-1921 | Maher, Jim | Monograph or Collective Volume | Geography Publications | 2015 |
| In times of peril : memoirs of the Irish war of independence | Clifford, BrendanKearns, Linda | Monograph or Collective Volume | B. Clifford | 1995 |
| Index to cases decided in the courts of Northern Ireland and reported during the period 1921-70 | Childs, B. A.Greer, D. S. | Monograph or Collective Volume | Incorporated Council of Law Reporting for Ireland | 1975 |
| Indictments in the 'East Side' Thompson seizure | Isacsson, Alfred | Article in Journal | | 2003 |
| Industrialization, urbanization and urban society in post-famine Ireland, c.1850-1921 | Royle, Stephen A. (Stephen Arthur) | Article in Book | | 1993 |
| Infamous attacks on women: Sectarian violence in Bangor in July 1920 | Patterson, Henry | Article in Book | | 2022 |
| Informers, intelligence and the 'Anti-Sinn Féin Society': the Anglo-Irish conflict in Cork city, 1920-21 | Borgonovo, John | Thesis | | 1997 |
| Ingredients of regional identities (Northern Ireland) | Tannahill, Anne | Article in Book | | 1993 |
| Inside the GPO 1916 : a first-hand account | Good, Joe | Monograph or Collective Volume | O'Brien | 1996 |
| Institutionalising Exclusion in Modern Ireland | Earner-Byrne, Lindsey | Article in Book | NA | 2023 |
| Insular palaeography : current state and problems | O'Sullivan, William, 1921-2000 | Article in Journal | | 1985 |
| Intermission : Dublin's locked-out musicians and working-class culture in post-independence Ireland, 1921-1931 | Toms, David | Article in Journal | | 2019 |
| Internment during the War of Independence | Joye, Lar | Article in Journal | | 2019 |
| Internment, August 1971: seven days that changed the North | McKearney, Tommy | Article in Journal | | 2011 |
| Interview with Mr Jimmy Murray | Egan, Riona | Article in Journal | | 2004 |
| Intra-unionist disputes in the Northern Ireland house of commons, 1921-1972 | Whyte, J. H. | Article in Journal | | 1973 |
| Introducing some friends | Robbins, Frank | Article in Journal | | 1972 |
| Introduction | Ryan, James G. | Article in Book | | 1992 |
| Introduction | Haltzel, Michael H.Keogh, Dermot | Article in Book | | 1993 |
| Introduction : 'revisionism' and the 'revisionist controversy' | Boyce, David George, 1942-O'Day, Alan | Article in Book | | 1996 |
| Introduction : Basil Chubb and Irish politics | Hill, Ronald J.Marsh, Michael | Article in Book | | 1993 |
| Introduction : empire, propaganda and public opinion | Potter, Simon J. | Article in Book | | 2004 |
| Introduction : hearts & minds? | Stewart, Brian | Article in Book | | 2002 |
| Introduction : images icons and the Irish nationalist imagination, from the Manchester Martyrs through the commemoration of the heroes of the War of Independence | McBride, Lawrence W. | Article in Book | | 1999 |
| Introduction : Ireland, 1870-1921 | Comerford, R.V. (Richard Vincent) | Article in Book | | 1996 |
| Introduction : Ireland, 1921-84 | Bardon, Jonathan, 1941-Keogh, Dermot | Article in Book | | 2003 |
| IRA activity in Kildare during the War of Independence | Dooley, Terence A. M. | Article in Book | | 2006 |
| IRA activity in Westmeath during the War of Independence 1918-21, Part One | Shortt, Russell | Article in Journal | | 2006 |
| Ireland 1865-1921 | Dillon, Thomas | Article in Journal | | 1966 |
| Ireland : a journey into lost time | Ó Síocháin, P. A. | Monograph or Collective Volume | Foilsiuchain Éireann | 1982 |
| Ireland : notes on Wesley's Journal | Cole, R. Lee | Article in Journal | | 1921 |
| Ireland and Anglo-American relations, 1899-1921 | Ward, Alan Joseph | Monograph or Collective Volume | London School of Economics and Political Science | 1969 |
| Ireland and Britain under the union, 1800-1921 : an overview | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 1986 |
| Ireland and Northern Ireland | Baker, John Austin | Article in Journal | | 1982 |
| Ireland and the Federal Solution : the Debate over the United Kingdom Constitution, 1870-1921 | Kendle, John Edward | Monograph or Collective Volume | NA | 1989 |
| Ireland and the growth of international governance | Laffan, BrigidO'Donnell, Rory | Article in Book | | 1998 |
| Ireland at the Crossroad, 1920-1921: Nation, Empire, Partition | Horne, John | Article in Book | | 2023 |
| Ireland from the great famine to the treaty, 1851-1921 | Carty, James | Monograph or Collective Volume | Fallon | 1951 |
| Ireland from the Great Famine to the treaty, 1851-1921. | Carty, James | Monograph or Collective Volume | Fallon | 1958 |
| Ireland from truce to treaty : war or peace? July to October 1921 | Lawlor, S. M. | Article in Journal | | 1980 |
| Ireland in 1914 | Curtis, L. Perry, jr. | Article in Book | | 1996 |
| Ireland in the age of reform and revolution. A commentary on Anglo-Irish relations and on political forces in Ireland, 1840-1921 | Mansergh, Nicholas, 1910-1991 | Monograph or Collective Volume | Allen & Unwin | 1940 |
| Ireland in the imperial imagination : British nationalism and the Anglo-Irish Treaty | Donnelly, Sean | Article in Journal | | 2019 |
| Ireland in transition, 1867-1921 | | Monograph or Collective Volume | Routledge | 2004 |
| Ireland Since 1921 | Harkness, D. W. | Article in Book | | 1981 |
| Ireland since Parnell | Sheehan, D. D. (Daniel Desmond) | Monograph or Collective Volume | D. O'Connor | 1921 |
| Ireland since the treaty : fifty years after | Cronin, Seán | Monograph or Collective Volume | Irish Freedom Press | 1971 |
| Ireland's misfortune : the turbulent life of Kitty O'Shea | Kehoe, Elisabeth | Monograph or Collective Volume | Atlantic | 2008 |
| Ireland's position in the world today | O'Brien, George, 1892-1973 | Article in Journal | | 1948 |
| Ireland's war of Independence, 1919-21 : the IRA's guerrilla campaign | Collins, Lorcan | Monograph or Collective Volume | O'Brien Press | 2019 |
| Ireland, 1800-1921 | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 1981 |
| Ireland, 1972-84 | Keogh, Dermot | Article in Book | | 2003 |
| Ireland. Oireachtas Dáil. Miontuairisc an chead Dála, 1919-1921 | Anonymous | Monograph or Collective Volume | Dublin Stationery Office | 1994 |
| Iris Drong Átha Cliath | Anonymous | Monograph or Collective Volume | Cahill | 1939 |
| Irish Americans and the Anglo-Irish treaty of 1921 | Hopkinson, M. H. | Article in Book | | 1976 |
| Irish Americans and the Treaty: a view from the Irish Free State | Davis, Troy D.
| Article in Journal | | 2014 |
| Irish and American independence | Andrews, Charles McLean | Article in Journal | | 1921 |
| Irish and American independence | Colcord, Lincoln | Article in Journal | | 1921 |
| Irish Catholics and the Manitoba school crisis, 1885-1921 | Davis, Richard P. | Article in Journal | | 1973 |
| Irish constitutional development | Grogan, Vincent | Article in Journal | | 1940 |
| Irish constitutional development | Grogan, Vincent | Article in Journal | | 1951 |
| Irish economic development since the treaty | Geary, R. C. | Article in Journal | | 1951 |
| Irish emigration 1801-1921 | Fitzpatrick, David | Monograph or Collective Volume | | 1984 |
| Irish emigration since 1921 | Delaney, Enda | Monograph or Collective Volume | Economic and Social History Society of Ireland | 2002 |
| Irish Emigration, 1801-1921 | Fitzpatrick, David | Monograph or Collective Volume | | 1984 |
| Irish festivities in comparative perspective | Peillon, Michel | Article in Journal | | 1980 |
| Irish home rule, 1867-1921 | O'Day, Alan | Monograph or Collective Volume | Manchester University Press | 1998 |
| Irish immigration 1801-1921 | Fitzpatrick, David | Monograph or Collective Volume | Economic and Social History Society of Ireland | 1984 |
| Irish independence and Ulster’s ‘lost counties’ | Hepworth, Jack | Article in Journal | | 2021 |
| Irish industrial policy, 1921-43 | Meehan, James | Article in Journal | | 1943 |
| Irish Irenics | Boyd, Andrew, 1921- | Article in Journal | | 1992 |
| Irish labour and politics in the late nineteenth and early twentieth centuries | Collins, Peter | Article in Book | | 1994 |
| Irish language and literature 1921-84 | Buttimer, NeilNí Annracháin, Máire | Article in Book | | 2003 |
| Irish language and literature, 1845-1921 | Ó Cuív, Brian | Article in Book | | 1996 |
| Irish migration to Britain, 1921-71: patterns, trends and contingent factors | Delaney, Enda Gerard | Thesis | | 1997 |
| Irish names in New England records | O'Dwyer, George F. | Article in Journal | | 1921 |
| Irish nationalism and Anglo-American relations in the late nineteenth and early twentieth centuries | O'Day, Alan | Article in Book | | 2000 |
| Irish nationalism and art, 1800-1921 | Barrett, Cyril | Article in Journal | | 1975 |
| Irish nationalism in Ulster, 1885-1921 | Hepburn, Anthony C. | Article in Book | | 2006 |
| Irish Newspapers during the War of Independence | Kenneally, Ian | Article in Book | | 2017 |
| Irish planning from 1921 to 1945 : an overview | Bannon, Michael J. | Article in Book | | 1989 |
| Irish poets, historians, and judges in English documents, 1538-1615 | | Article in Journal | | 1921 |
| Irish rebellions | Litton, Helen | Monograph or Collective Volume | O'Brien Press | 2018 |
| Irish republican attitudes to sport since 1921 | Hanley, Brian | Article in Book | | 2009 |
| Irish republicanism in Great Britain, 1917-21 | Gannon, Darragh Joseph | Thesis | | 2012 |
| Irish speakers, interpreters and the courts, 1754-1921 | Phelan, Mary | Monograph or Collective Volume | Four Courts Press | 2019 |
| Irish tavern tokens: the John Sweeney collection, supplemented by other collections | Rice, Gerard | Monograph or Collective Volume | Numismatic Society of Ireland and National Museum of Ireland: Decorative Arts & History | 2017 |
| Irish troops at Boulogne in 1544 | Dillon, Viscount | Article in Journal | | 1921 |
| Irish unionism, 1905-1921 | Jackson, Alvin | Article in Book | | 1994 |
| Irish women's rural fiction since Independence | O'Byrne, Deirdre | Thesis | | |
| Irish-Americans and the fight for treaty ratification | Maxwell, Kenneth R. | Article in Journal | | 1967 |
| Irish-language print culture, 1691-1900 | Ó Ciardha, Éamonn | Article in Book | | 2025 |
| Irlande : Idéologie d'une révolution nationale | Goldring, Maurice | Monograph or Collective Volume | Editions Sociales | 1975 |
| Irlande : la participation des classes populaires au mouvement national (1800-1921) | Bédarida, François | Monograph or Collective Volume | Armand Colin | 1971 |
| Irregulars Versus Slave Staters: Propaganda, censorship and the Irish Civil War | Ó Drisceoil, Donal | Article in Book | Cork University Press | 2024 |
| Isaac Butt and the Home Rule party, 1870-77 | Comerford, R.V. (Richard Vincent) | Article in Book | | 1996 |
| Issues in Irish public policy | | Monograph or Collective Volume | Irish Academic Press | 2002 |
| Jack White (1879-1946) : first commander Irish Citizen Army | Boyd, Andrew, 1921- | Monograph or Collective Volume | Donaldson Archives | 2001 |
| James Johnston Abraham (Author of The Surgeon's Log) | Boyd, Andrew, 1921- | Article in Journal | | 2006 |
| James Mark Sullivan and the Film Company of Ireland | Felter, MaryanneSchultz, Daniel | Article in Journal | | 2004 |
| James McIntosh and the naming of McIntosh park | Smith, Brian | Article in Journal | | 2014 |
| James Mooney, 'The Indian Man', agus béaloideas na hEireann [James Mooney, 'The Indian Man' and the folklore of Ireland] | O Siadhail, Pádraig | Article in Journal | | 2009 |
| James Nicholson Richardson, 1846-1921 : an Ulster friend of his time and place | Chapman, W. Ross | Article in Journal | | 1997 |
| James Stephens and the influence of the Fenians/IRB | Griffin, Brian | Monograph or Collective Volume | | 2011 |
| Jim Caffrey [obituary] | S. B. | Article in Journal | | 1996 |
| Jim Connell and 'The Red Flag' | Boyd, Andrew, 1921- | Article in Journal | | 2001 |
| Jim Connell, author of The red flag | Boyd, Andrew, 1921- | Monograph or Collective Volume | Socialist History Society | 2001 |
| John Boyd Dunlop | Cooke, Jim | Monograph or Collective Volume | Dreoilín Specialist Publications | 2000 |
| John Boyd Dunlop 1840-1921, inventor | Cooke, Jim | Article in Journal | | 1996 |
| John Bull's other empire : Roger Casement and the press, 1898-1916 | Mitchell, Angus | Article in Book | | 2004 |
| John Chartres : mystery man of the treaty | Murphy, Brian | Monograph or Collective Volume | Irish Academic Press | 1995 |
| John Dillon's reflections on Irish and general politics, 1919-21 | Glandon, V. E. | Article in Journal | | 1974 |
| John Doherty | Boyd, Andrew, 1921- | Article in Book | | 1966 |
| John Freeman Knott, 1853-1921 | Lyons, J. B. (John Benignus) | Article in Journal | | 1989 |
| John Kenny and the Easter Rising | Christ, Fran | Article in Journal | | 1997 |
| John Madden's manuscripts | O'Sullivan, William, 1921-2000 | Article in Book | | 2000 |
| John O'Daly (Seán Ó Dálaigh, 1800/3-78) : publishing pioneer and language revivalist | Ó Drisceoil, Proinsias | Article in Book | | 2025 |
| John Traynor, American pioneer | Traynor, John | Article in Journal | | 2020 |
| John Whelan (1900-1921). A volunteer casualty of Brinny Ambush | Desmond, John | Article in Journal | | 2012 |
| Kate Tyrrell 'Lady Mariner' : the story of the extraordinary woman who sailed the Denbighshire Lass | Mahon, John | Monograph or Collective Volume | Basement | 1995 |
| Katherine and Charles Stewart Parnell | Coffey, Dairine | Article in Journal | | 2005 |
| Katherine O'Shea and C.S. Parnell | Callaghan, Mary Rose | Article in Book | | 1991 |
| Kavanagh - Caomhanach | Kavanagh, Michael | Article in Journal | | 1994 |
| Keepers of the Flame: bringing the Military Service Pensions Collection archive to screen, A conversation between Diarmaid Ferriter and Nuala O’Connor | Ferriter, DiarmaidO’Connor, Nuala | Article in Book | | 2023 |
| Keeping it on track. | Rigney, Peter
| Article in Journal | | 2017 |
| Kenmare remembers the Headford ambush - 1921 | Daly, Mark | Article in Journal | | 2014 |
| Kerry's fighting story, 1916-21 : told by the men who made it | Anonymous | Monograph or Collective Volume | Kerryman | 1947 |
| Kevin Barry and the Anglo-Irish propaganda war | Doherty, Martin A. | Article in Journal | | 2000 |
| Kevin O'Shiel : Tyrone nationalist and Irish state - builder | Sagarra, Eda | Monograph or Collective Volume | Irish Academic | 2013 |
| Kildare County Council 1919-1921 | Kenny, Liam | Article in Book | | 2006 |
| Kildare members of Parliament, 1559-1800 | Sadlier, Thomas U. | Article in Journal | | 1921 |
| Kilkenny men interned in Ballykinlar, Co. Down, December 1920-21 | Murphy, Orla | Article in Journal | | 2021 |
| Killed in action | Durnin, Peter | Article in Journal | | 2007 |
| King George V's Speech at Stormont (1921) : Prelude to the Anglo-Irish Truce | Costello, Francis J. | Article in Journal | | 1987 |
| Kitty O'Shea : an Irish affair | Jordan, Jane | Monograph or Collective Volume | Sutton | 2005 |
| Knockcroghery ablaze! | Egan, Riona | Article in Journal | | 2004 |
| L'enseignementde l'histoire Irlandaise dans l'écoles du nord et du sud, 1921-1996 : divegences, convergences | Fischer, Karin | Article in Journal | | 2000 |
| L'Irlande et ses institutions politiques, leur évolution - leur état actuel | Warren, Raoul De | Monograph or Collective Volume | Berger-Levrault | 1928 |
| Labour and the national struggle, 1919-1921 | Mitchell, Arthur | Article in Journal | | 1971 |
| Labour and the politics of disloyalty in Belfast, 1921-39 : the moral economy of loyalty | Loughlin, Christopher J. V. | Monograph or Collective Volume | Palgrave Macmillan | 2018 |
| Labour lives no. 10. Tadhg Barry (1880-1921) | Ó Drisceoil, Donal | Article in Journal | | 2008 |
| Labour relations in military administrative establishments in Ireland during World War 1 : the army pay offices at Cork and Dublin 1910-1921 | Black, John | Article in Journal | | 2019 |
| Ladytown and the Allens | Sadlier, Thomas U. | Article in Journal | | 1921 |
| Lamb Doyles, Sandyford | Smith, Margaret | Article in Journal | | 2022 |
| Lambert of Wexford | Lambert, Hubert, Andrew | Article in Journal | | 1921 |
| Land and people, c.1926 | Gillmor, Desmond A. | Article in Book | | 2003 |
| Land and people, c.1983 | Gillmor, Desmond A. | Article in Book | | 2003 |
| Land and revolution : nationalist politics in the west of Ireland, 1891-1921 | Campbell, Fergus | Monograph or Collective Volume | Oxford University Press | 2005 |
| Land and Revolution revisited | Campbell, Fergus | Article in Book | | 2013 |
| Landmarks in the history of Kings Inns : 1872, 1885, 1921, 1925 | Osborough, W. N. (William Nial) | Article in Book | | 2005 |
| Landowners and parliamentary elections in County Down, 1801-1921 | Walker, B. M. (Brian Mercer) | Article in Book | | 1997 |
| Language grief : a ‘raw material’ of ethnic conflict | Bostock, William W. | Article in Journal | | 1997 |
| Laurence M. O'Shaughnessy, Humanist | | Article in Journal | | 2017 |
| Law without loyalty - the abolition of the Irish appeal to the Privy Council | Mohr, Thomas | Article in Journal | | 2002 |
| Law, order and the RIC in Waterford 1920-21 : a chronology | Byrne, Brendan | Article in Journal | | 1999 |
| Le drame Irlandais | Paul-Dubois, Louis | Monograph or Collective Volume | Perrin | 1927 |
| Le facteur démographique dans la marche de l’Irlande vers la partition (1607-1921) | Courbage, Y. | Article in Journal | | 1996 |
| Le traité Irlandais | Churchill, Winston Leonard Spencer, Sir, 1874-1965 | Article in Book | | 1991 |
| Leabhair na mBairéadach : Léas ar an Athbheochain | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Journal | | 2017 |
| Leading from behind? St. Patrick's College, Maynooth and the development of church music in Ireland, 1800 - 1914 | McCarthy, Darina | Article in Book | | 2018 |
| Learning a strange native language | O'Byrne, Anne | Article in Journal | | 2007 |
| Leave to appeal : further legal memoirs | Comyn, James | Monograph or Collective Volume | Round Hall Press | 1994 |
| Leaving the North : migration and memory, Northern Ireland, 1921-2011 | Trew, Jonathan Devlin | Monograph or Collective Volume | Liverpool University Press | 2013 |
| Legal translation and terminology in the Irish Free State, 1922-1937 | McGrory, Orla | Thesis | | |
| Leo Whelan's "IRA GHQ staff, 1921" | Mulcahy, Risteárd | Article in Journal | | 2009 |
| Leo Whelan's painting of the I.R.A. G.H.Q. staff, 1921 | Mulcahy, Risteárd | Article in Journal | | 2010 |
| Les moulins en Irlande et l'aventure de Ciarnot | Vendryes, Joseph | Article in Journal | | 1921 |
| Lesser known house burnings in Rosscarbery in 1921 | Hyland, Cal | Article in Journal | | 2011 |
| Let in the light : censorship secrecy and democracy | | Monograph or Collective Volume | Brandon | 1993 |
| Letters from Mountjoy 1921 | | Article in Journal | | 2018 |
| Levelling up the lower deeps : rural and suburban spaces at an Edwardian asylum | Allmond, Gillian | Article in Book | | 2018 |
| Liam Clarke and Arranmore Island's first resident doctor | Bonar, Seán | Article in Journal | | 2017 |
| Liam Lynch | Shannon, Gerard | Article in Book | Cork University Press | 2024 |
| Liam Mellows and the Irish revolution | Adams, GerryGreaves, Charles Desmond | Monograph or Collective Volume | Lawrence and Wishart | 2004 |
| Liberalism in Unionist Northern Ireland 1921-1971 | Farr, Berkley | Article in Journal | | 2001 |
| Life in Wicklow a century ago... 1921 | Finlay, John | Article in Journal | | 2021 |
| Life with a flying column, 1919-1921 | Crowe, Tadhg | Article in Journal | | 2004 |
| Life with the south Tipperary volunteers 1914-1921 from the Bureau of Military History 1913-1921 | Bourke, MarcusMerrigan, Paul | Article in Journal | | 2005 |
| Limerick's fighting story, 1916-21 : told by the men who made it | | Monograph or Collective Volume | The Kerryman | 1948 |
| Limerick's fighting story, 1916-21 : told by the men who made it, with a unique pictorial record of the period | Anonymous | Monograph or Collective Volume | Mercier | 2009 |
| Lios-an-Uisce : the history of a house and its occupants from 1753 to the present day | O'Malley, Mary Pat | Monograph or Collective Volume | The author | 1982 |
| List of Accessions/Periodical literature | Peyn, Ortrun | Article in Journal | | 1988 |
| Literature in English, 1891-1921 | Mercer, Vivian | Article in Book | | 1996 |
| Literature in English, 1891-1921 | Mercier, Vivian | Article in Book | | 1996 |
| Literature in English, 1921-84 | Mercier, Vivian | Article in Book | | 2003 |
| Lloyd George and Ireland, 1919-21 : an uncertain policy | Costello, Francis J. | Article in Journal | | 1988 |
| Lloyd George and the Irish settlement, 1921-2 | Curran, J. M. | Article in Journal | | 1972 |
| Lloyd George and the partition of Ireland 1916-1921 | Douglas, Roy | Article in Journal | | 2001 |
| Local government and the first Dáil | Daly, Mary E. | Article in Book | | 1994 |
| Local history from national census returns | Halpin, Thomas B. | Article in Journal | | 1997 |
| Local revolution: Dublin Corporation and the War of Independence, 1919 to 1921 | Kelly, Bernard | Article in Book | Dublin City Council | 2019 |
| Logistics and counter-insurgency : procurement, supply and communications in the Irish War of Independence, 1919-1921 | Kautt, William Henry | Thesis | | 2004 |
| Logistics, everyday life, and the Kilmichael ambush | Morrison, Eve | Article in Book | | 2023 |
| Lord Londonderry and education reform in 1920s Northern Ireland | Fleming, Neil C. | Article in Journal | | 2001 |
| Loyalism in transition : southern loyalists and the Irish Free State, 1921-1937 | Coffey, Leigh-Ann | Article in Book | | 2011 |
| Loyalists and loyalism in a southern Irish community, 1921-1922 | Hughes, Brian | Article in Journal | | 2016 |
| Loyalists and loyalism in a southern Irish community, 1921–1922 | Hughes, Brian | Article in Journal | | 2016 |
| Luíochán Chill Miodhna | Ó Cillin, Tomás | Article in Journal | | 1982 |
| Machnamh on Constitutional Trajectories Since 1922 | O'Leary, Brendan | Article in Book | NA | 2023 |
| Macroom Union workhouse, 1843-1921 (& other pieces) | Kelleher, Con | Monograph or Collective Volume | The author | 2019 |
| Mainchín Seoighe, 1921-2006 | Ó Cearbhail, Pádraig | Article in Journal | | 2007 |
| Making good citizens: Ireland under the Union, 1801-1921 | Delaney, Enda | Article in Book | | 2018 |
| Making sense of a united Ireland : should it happen? How might it happen? | O'Leary, Brendan | Monograph or Collective Volume | Sandycove | 2022 |
| Mallow Volunteers 1913-1916 | Rutherford, Colman | Article in Journal | | 2016 |
| Mandarins on the hill : heads of the Northern Ireland civil service, 1921-2001 | Bloomfield, Kenneth, Sir, 1931- | Article in Journal | | 2001 |
| Manifestations of Irish nationalism: identifying support for the separatist movement in Ireland, 1919-21 | Boran, Marie | Thesis | | 1987 |
| Manuscripts and palaeography | O'Sullivan, William, 1921-2000 | Article in Book | | 2005 |
| Many lives fully lived : a photographic gallery of a showman's life : Charlie O'Neill, 1921-2007 | | Monograph or Collective Volume | O'Neill family | 2008 |
| Mapping the narrow ground. Geography, history and partition | Burgess, Mary | Article in Journal | | 2005 |
| Margaret Greer Flood | Henry, A. | Article in Journal | | 1921 |
| Margaret Keogh of Stella Gardens | O'Neill, Mary | Article in Book | | 2016 |
| Marketing the Free State in Britain [Irish posters for the Empire Marketing Board (EMB] | Shortall, Billy | Article in Journal | | 2020 |
| Marx, Engels and the Irish | Boyd, Andrew, 1921- | Monograph or Collective Volume | Socialist History Society | 2004 |
| Mass miniature radiography in Ireland | Murray, James P. | Article in Book | | 1995 |
| Material Modernism An Irish Case, circa 1921 | Allen, Nicholas | Article in Book | | 2019 |
| Max Weber and leadership, Butt, Parnell and Dillon : nationalism in transition | O'Day, Alan | Article in Book | | 2004 |
| May 25 : burning of the Custom House, 1921 | Gillis, Liz | Monograph or Collective Volume | Kilmainham Tales Teo | 2017 |
| Me and the Black and Tans | Guiry, Ned | Article in Journal | | 1983 |
| Medieval Meath manuscripts | O'Sullivan, William, 1921-2000 | Article in Journal | | 1985 |
| Megaphone diplomacy and all that jazz: North-South relations, 1963-65 | McCann, David | Article in Journal | | 2011 |
| Members' column. Old Mayglass | Browne, Kathleen A. | Article in Journal | | 1921 |
| Members' column. The Capuchins in Wexford | Flood, W[illiam] H[enry] Grattan | Article in Journal | | 1921 |
| Memoirs of a statesman | Faulkner, BrianHouston, J. | Monograph or Collective Volume | Weidenfeld and Nicolson | 1978 |
| Memorandum, made 4th January 1921 | O'Dempsey, Michael J. | Article in Journal | | 2000 |
| Memories of eminent Victorians | Milne, James | Article in Journal | | 1939 |
| Memories of the Black and Tans | Kavanagh, Andy, snr. | Article in Journal | | 1992 |
| Memories of the struggle for Irish freedom | Lee, Seán | Article in Journal | | 1980 |
| Memories of the thirties | A Past Pupil | Article in Journal | | 1996 |
| Men for All Seasons? Carson, Parnell, and the Limits of Heroism in Modern Ireland | Foster, R. F. (Robert Fitzroy) (Roy), 1949-Jackson, Alvin | Article in Journal | | 2009 |
| Men of the south : a re-evaluation | Buckley, Joe | Article in Journal | | 2020 |
| Mental health policy in Northern Ireland 1921-1991 | Prior, Pauline M. | Thesis | | |
| Mentioning the war : the Bureau of Military History | Kostick, Conor, 1964- | Article in Journal | | 2003 |
| Merry Christmas from Ireland? | Walls, Jim | Article in Journal | | 2003 |
| Michael B. Yeats : a committed Irish and European legislator | Mansergh, Martin | Article in Book | | 2016 |
| Michael Collin's intelligence war : the struggle between the British and the I.R.A., 1919-1921 | Foy, Michael T. | Monograph or Collective Volume | Sutton | 2006 |
| Michael Collins | Taylor, Rex | Monograph or Collective Volume | Hutchinson | 1958 |
| Michael Collins | Coogan, Tim Pat | Article in Book | | 1994 |
| Michael Collins - his biographers Piaras Béaslaí and Rex Taylor | McMahon, Deirdre | Article in Book | | 1998 |
| Michael Collins : soldier and statesmen | Béaslaí, Piaras S., 1881-1965 | Monograph or Collective Volume | Talbot Press | 1937 |
| Michael Collins : some original documents in his own hand | Collins, MichaelMurphy, Brian P. | Monograph or Collective Volume | Aubane Historical Society | 2004 |
| Michael Collins and the Anglo-Irish War : Britain's counterinsurgency failure | Hittle, J. B. E. | Monograph or Collective Volume | Potomac Books | 2011 |
| Michael Collins and the British Press | Martin, Alison | Article in Journal | | 2020 |
| Michael Collins and the making of a new Ireland | Béaslaí, Piaras S., 1881-1965 | Monograph or Collective Volume | [s.n.] | 1926 |
| Michael Collins and the organisation of Irish intelligence, 1917-21 | McInerney, Colm | Article in Journal | | 2003 |
| Michael Collins and the treaty : his differences with de Valera | Dwyer, T. Ryle | Monograph or Collective Volume | Mercier Press | 1981 |
| Michael Collins in Armagh | Fitzgerald, Des | Article in Journal | | 2005 |
| Michael Collins's famous speech and the advent of the Republic of Ireland | Vermeulen, Saskia | Article in Journal | | 2024 |
| Michael Collins's intelligence war : the struggle between the British and the IRA, 1919-1921 | Foy, Michael T. | Monograph or Collective Volume | Sutton | 2008 |
| Michael Collins's squad | Stapleton, William J. | Article in Journal | | 1969 |
| Michael Dineen commemoration, Sunday 20th June, 1999 : let Erin remember | Aubane Historical Society | Monograph or Collective Volume | Aubane Historical Society | 1999 |
| Michael MacWhite’s memoirs of the Sinn Féin delegation in France, 1919-21 | Gibney, John | Article in Journal | | 2019 |
| Midnight in London: The Anglo-Irish Treaty Crisis 1921 | Kenny, Colum | Monograph or Collective Volume | Eastwood Books | 20 |
| Military aviation in Ireland, 1921-45 | O'Malley, Michael C. | Monograph or Collective Volume | University College Dublin | 2010 |
| Military aviation in Ireland, 1921-45 | O'Malley, Michael | Thesis | | 2007 |
| Military confllict in the War of Independence | Augusteijn, Joost | Article in Book | | 2017 |
| Military force and civil authority in the United Kingdom, 1914-1921 | Townshend, Charles | Article in Journal | | 1989 |
| Military law in Ireland | Craven, CiaranHumphreys, Gerard | Monograph or Collective Volume | Round Hall, Sweet & Maxwell | 1997 |
| Military rule in the search for a settlement in Ireland 1919-1921 | Townshend, Charles | Thesis | | |
| Mirrors : orange & green | Loftus, Belinda | Monograph or Collective Volume | Picture Press | 1994 |
| Miscellaneous : 1920 : Bloody Sunday | Bourke, MarcusGaynor, Willie | Article in Journal | | 2006 |
| Miscellany preparing for an ambush | Lonergan, Pat | Article in Journal | | 2002 |
| Missing in action | Ó Ruairc, Pádraig Óg | Article in Journal | | 2012 |
| Missing in action - British servicemen secretly buried in Clare during the War of Independence | Ó Ruairc, Padraig Óg | Article in Journal | | 2012 |
| Missionary sisters of St Columban | Fairbairn, Margaret | Article in Journal | | 1947 |
| Modern Ireland : postcolonial or European? | Kiberd, Declan | Article in Book | | 1997 |
| Modest proposals: Irish children, consumer culture, advertising and literature, 1860-1921 | Clark, Lauren | Thesis | | |
| Monarchism, international relations, and the continuing Irish revolution, 1926–29 | Hanley, Hugh | Article in Journal | | 2021 |
| Monetary aggregates for Ireland, 1840–1921 | Kenny, SeánLennard, Jason | Article in Journal | | 2018 |
| Monetary data and proxy GDP estimates : Ireland 1840-1921 | O'Rourke, Kevin H. | Article in Journal | | 1998 |
| Monetary data and proxy GDP estimates : Ireland 1840-1921 | O'Rourke, Kevin H. | Monograph or Collective Volume | University College Dublin, Department of Economics | 1997 |
| Money and banking in the Irish Free State, 1921-1939 | Ó Gráda, Cormac | Article in Book | | 1995 |
| Money and Irish Catholicism : an intimate history, 1850-1921 | Roddy, Sarah | Monograph or Collective Volume | Cambridge University Press | 2025 |
| Montgomery and the Black Man : religion and politics in nineteenth-century Ulster | Boyd, Andrew, 1921- | Monograph or Collective Volume | Columba | 2006 |
| Moore Hall, County Mayo | Crowley, John | Article in Book | Cork University Press | 2024 |
| More than a man's part : Sir Charles Alexander Cameron : public analyst and medical officer of health for Dublin, 1862-1921 | Carroll, Lydia | Thesis | | 2008 |
| Motor registration in county Wicklow, a genealogical source | Anonymous | Article in Journal | | 2003 |
| Mountshannon house and the Fitzgibbons | Gurnett, Carole | Article in Journal | | 1984 |
| Murchertach O'Brien, high king of Ireland, and his Norman son-in-law, Arnulf de Montgomery, circa 1100 | Curtis, Edmund, 1881-1943 | Article in Journal | | 1921 |
| Murder by the Throat: Espionage Assassination Collaboration and Execution in the Irish War of Independence | Bourke, Edward J | Monograph or Collective Volume | Edward J. Bourke | 2020 |
| Murder stops play - eventually! | Keane, Barry | Article in Journal | | 2013 |
| Murrough miscellany. Part 1.|Part 2.|Part 3. Affray on the Murrough on Regatta Monday 3rd August 1885|Part 4.|Part 5.|Part 6. Dublin and Wicklow Manure Company [Limited]|Murrough miscellany. Part 7|Murrough miscellany. Part 8. R.I.C. Constable murdered on the Murrough|Murrough miscellany. Part 9. One decent human being | O'Reilly, Vincent | Article in Journal | | 2021 |
| Music and society, 1850-1921 | Fleischmann, Aloys, 1910-1992 | Article in Book | | 1996 |
| Music and the perception of music in Ireland | White, Harry | Article in Journal | | 1990 |
| Music in independent Ireland since 1921 | Ryan, Joseph | Article in Book | | 2003 |
| Music in Northern Ireland since 1921 | Johnston, Roy | Article in Book | | 2003 |
| My dear Eva : letters written from Ballykinlar internment camp (1921) | Kearney, Peadar | Monograph or Collective Volume | Bourke | 1976 |
| My part in the War of Independence : part II, 1920-21 | Kinane, Paddy | Article in Journal | | 1996 |
| My role as an intelligence officer with the third Tipperary brigade (1919-1921) | Sharkey, Seán | Article in Journal | | 1998 |
| Na Faradóirí Cósta | Ó Cionnfhaolaidh, Dónal | Article in Journal | | 2001 |
| National reconstruction : George Russell (AE) and the Irish convention | Allen, Nicholas | Article in Book | | 2004 |
| Nationale Organisationen in Irland 1801-1921 | Alter, P. | Article in Book | | 1978 |
| Nationalism | Patterson, Henry | Article in Book | | 1996 |
| Nationalism and the process of group mobilisation : the case of 'loyalism' in Northern Ireland reconsidered | Mason, David | Article in Journal | | 1985 |
| Nationalism and transnationalism : failures and emancipation | Anderson, JamesGoodman, James | Article in Book | | 1998 |
| Nationalism and Unionism : conflict in Ireland, 1885-1921 | | Monograph or Collective Volume | Institute of Irish Studies, Queen's University Belfast | 1994 |
| Nationalism and unionism : from Union to partition | Brennan, EilisGillespie, Sandra | Monograph or Collective Volume | Cambridge University Press | 1996 |
| Nationalist and unionist : Ireland before the treaty | Gray, Trevor | Monograph or Collective Volume | [s.n.] | 1989 |
| Nationalist and unionist attitudes to empire in the age of the South African War, 1899-1902 | Lowry, Donal | Article in Book | | 2004 |
| Nationalist Ireland, 1912-1922 : aspects of continuity and change | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | NA | 1994 |
| Nationalist mobilisation and governmental attitudes : geography, politics and nineteenth-century Ireland | Hoppen, K. Theodore, 1941- | Article in Book | | 1997 |
| Nationalists and the Irish language in Ireland : competing perspectives | O'Reilly, Camille | Article in Book | | 1997 |
| Nationality and loyalty : Parnellism, monarchy and the construction of Irish identity, 1880-5 | Loughlin, James | Article in Book | | 2004 |
| Nazionalismo e integralismo religioso come attrazioni esotiche : Edith e Victor Turner al purgatorio di S. Parizio | Taviani, Paolo | Article in Journal | | 1995 |
| Neither democratic nor a programme: the Democratic Programme of 1919 | O'Connor, Emmet | Article in Journal | | 2016 |
| New Gate, Dublin | McNeill, Charles | Article in Journal | | 1921 |
| New Zealand's representative : Jessie Mackay, the Self-Determination for Ireland League of New Zealand and the Irish Race Congress | Marr, Lisa | Article in Journal | | 2024 |
| Newspapers and empire in Ireland and Britain : reporting the British Empire, c.1857-1921 | | Monograph or Collective Volume | Four Courts | 2004 |
| Niall (d.405), king of Ireland | Moore, Norman | Article in Book | | 1921 |
| Niall O'Muirgheasa, 1921-2011 | Mulloy, Fergal | Article in Journal | | 2011 |
| Night of terror in Mountcharles | Meehan, Helen | Article in Journal | | 2022 |
| No Longer "Ourselves Alone" in Northern Ireland | Davey, Kevin | Article in Book | | 2001 |
| Norah Hoult and Temple Lane's novels of mixed marriages in the early Free State | Jameson, David | Article in Journal | | 2018 |
| Nordirland als Problem der britischen Politik | Helle, Andreas | Article in Book | | 1994 |
| Nordirland im Film | Schröder, Gottfried | Article in Book | | 1994 |
| Northern Ireland 1921-1973 : party manifestos and platforms | Elliott, SydneyLaver, Michael | Article in Book | | 1987 |
| Northern Ireland 1921-1994 : political forces and social classes | Bew, PaulGibbon, PeterPatterson, Henry | Monograph or Collective Volume | Serif | 1995 |
| Northern Ireland 1921–2021: Centenary Historical Perspectives | NA | Monograph or Collective Volume | Ulster Historical Foundation | 2022 |
| Northern Ireland : fifty years of self-government | Wallace, Martin | Monograph or Collective Volume | David & Charles | 1971 |
| Northern Ireland : international and north/south issues | Guelke, Adrian | Article in Book | | 1998 |
| Northern Ireland : the origins of the state | Boyce, David George, 1942- | Article in Book | | 1996 |
| Northern Ireland : who is to blame? | Boyd, Andrew, 1921- | Monograph or Collective Volume | Mercier Press | 1984 |
| Northern Ireland and Irish nationalism - a unionist perspective | Roche, Patrick J. | Article in Journal | | 1994 |
| Northern Ireland economy | Patterson, Henry | Article in Book | | 1996 |
| Northern Ireland parliamentary election results, 1921-72 | Elliott, Sydney | Monograph or Collective Volume | Political Reference Publications | 1973 |
| Northern Ireland, 1920-25 | Barton, Brian, 1944- | Article in Book | | 2003 |
| Northern Ireland, 1921-1971 | Shearman, Hugh | Monograph or Collective Volume | HMSO | 1971 |
| Northern Ireland, 1921-1974 : a select bibliography | Deutsch, Richard | Monograph or Collective Volume | Garland Publishing | 1975 |
| Northern Ireland, 1921-2001 : political forces and social classes | Bew, PaulGibbon, PeterPatterson, Henry | Monograph or Collective Volume | Serif | 2002 |
| Northern Ireland, 1921-30 : the establishment of an Orange state? | Pedersen, Kirsten | Article in Journal | | 2002 |
| Northern Ireland, 1921-68 | Patterson, Henry | Article in Book | | 1996 |
| Northern Ireland, 1921-72 : misshapen constitutional development and scholarly silence | O'Leary, Cornelius | Article in Book | | 1993 |
| Northern Ireland, 1925-39 | Barton, Brian, 1944- | Article in Book | | 2003 |
| Northern Ireland, 1939-45 | Barton, Brian, 1944- | Article in Book | | 2003 |
| Northern Ireland, 1972-84 | Arthur, Paul, 1945- | Article in Book | | 2003 |
| Northern Ireland: The United Kingdom’s first example of devolution | Walker, Graham | Article in Book | | 2022 |
| Northern nationalists, Ulster unionists and the development of partition, 1900-21 | Phoenix, Eamon | Article in Book | | 1994 |
| Notes on the scripts and make-up of the Book of Leinster | O'Sullivan, William, 1921-2000 | Article in Journal | | 1966 |
| Notes. An investiture at the Royal Hospital, Kilmainham, 12 July 1921 | Kinsella, Anthony | Article in Journal | | 2007 |
| Notes. Departure of Lord French, 30 April 1921 | Kinsella, Anthony | Article in Journal | | 2021 |
| Ó Pharnell go Queenie | Ó Snodaigh, Pádraig | Monograph or Collective Volume | Coscéim | 1991 |
| Obituaries | Anonymous | Article in Journal | | 2004 |
| Obituaries : Matt Merrigan | Kearney, Ben | Article in Journal | | 2000 |
| Obituaries. Cecil Kilpatrick 1921-2013 | Wright, Bill | Article in Journal | | 2013 |
| Obituaries. Gertie Dixon | B, D. | Article in Journal | | 2018 |
| Obituaries. Simon Quinn 1921-2011 | O'Brien, Dermot | Article in Journal | | 2011 |
| Obituary : Dr. Cahal A. Dallat | Hume, Harry | Article in Journal | | 2008 |
| Obituary. Maureen Hegarty | M, P. | Article in Journal | | 2016 |
| Obituary. Patrick J. Corish 1921-2013 | O'Connor, Thomas | Article in Journal | | 2014 |
| Obituary. Patrick J. Corish, 1921-2013 | Editor, The | Article in Journal | | 2013 |
| Obituary. Sylvanus Wear | Anonymous | Article in Journal | | 1921 |
| Obituary. W.J.C. Tomlinson | Anonymous | Article in Journal | | 1921 |
| Of Centenaries and the Hospitality Necessary in Reflecting on Memory, History and Forgiveness | Higgins, Michael D. | Article in Book | | 2023 |
| Of guns and ballots : attitudes towards unconventional and destructive political participation among Sinn Féin and Herri Batasuna supporters | Justice, Jeff Wm. | Article in Journal | | 2003 |
| Of Land, Social Class, Gender and the Sources of Violence: Recovering Reimagined Futures | Higgins, Michael D. | Article in Book | | 2023 |
| Óglaigh na gcoluamhain nó The flying columns | Ó Liatháin, Annraoi | Monograph or Collective Volume | Craobh na hAiseirghe | 1943 |
| Old and new unionism : the seventh Marquess of Londonderry, 1906-21 | Fleming, Neil C. | Article in Book | | 2004 |
| On another man's wound | O'Malley, Ernie (Ernest Bernard), 1897-1957 | Monograph or Collective Volume | Anvil Books | 2002 |
| Ón droichead go dtí an duibheagán : téamaí staire on tréimhse Nollaig 1921 go tús Chogadh na gCarad Meitheamh 1922 | Ó Snodaigh, Pádraig | Monograph or Collective Volume | Coiscéim | 1997 |
| On exhibit | Milner, K. | Article in Journal | | 2009 |
| One man' flying column. Parts 1-2 | Ryan, Thomas | Article in Journal | | 1992 |
| One of the men of the west | Kelly, Patrick | Article in Journal | | 1992 |
| One of the world's first computer programmers | Lillington, Karlin | Article in Book | | 2009 |
| Orange and green : Belfast, 1832-1912 | Baker, Sybil E. | Article in Book | | 1973 |
| Orange, green and In the red? A century of the Northern Ireland economy | Brownlow, Graham | Article in Book | | 2022 |
| Orangeism and Irish military history, 1795-1920 | Fitzpatrick, David | Article in Journal | | 2001 |
| Ordinary guerrillas - the 5th Battalion, Meath Brigade, and the Brigade reports 1920-21 | Cogan, Frank | Article in Journal | | 2021 |
| Osmond Esmonde's Dominion odyssey: Irish nationalism in the British Empire 1920-21 | Lynn, Shane | Article in Journal | | 2014 |
| Our Lady of Coogee : Eileen O'Connor and the founding of Sydney's Brown Nurses | O'Connell, Mary | Monograph or Collective Volume | Crossing Press | 2009 |
| Our Lady of Victories, Noeux-les-Mines | Downes, Seán | Article in Journal | | 2016 |
| Out of the lion's paw : Ireland wins her freedom | Fitzgibbon, Constantine | Monograph or Collective Volume | Macdonald | 1969 |
| Out of the Shadows: One hundred years of LGBT life in Northern Ireland | Hulme, Tom | Article in Book | | 2022 |
| Overseeing the Irish asylums : the Inspectorate in Lunacy, 1845-1921 | Prior, Pauline M. | Article in Book | | 2012 |
| Owen and Perrin family history | Owen, Hugh | Monograph or Collective Volume | St Richard's press | 1981 |
| Ozuimbo Appo's fear of Fenians : Chinese-Irish-Anglo relations in New York city | Tchen, John Kuo Wei | Article in Book | | 1996 |
| P.S. O'Hegarty and the Ulster Question | Curtis, Keiron | Article in Journal | | 2007 |
| Paddy Moran Executed for Ireland. Mountjoy Jail 14th March 1921 | Moran, May | Article in Journal | | 2022 |
| Padraig and Eily O'Horan : a story of rebellion and redemption | Roddie, Robert P. | Article in Journal | | 2002 |
| Paint and politics - an 'unhealthy intersection. The fate of Sir John Lavery's 'Irish history paintings' exhibited at the Irish Race Congress in Paris in January 1922 | Shortall, Billy | Article in Journal | | 2022 |
| Parallel lives | Jones, Davina | Monograph or Collective Volume | Appletree Press | 2005 |
| Parallel Parnell: Parnell delivers Home Rule in 1904 | Mulhall, Daniel | Article in Journal | | 2010 |
| Parallel realities of Northern Ireland | Branagh, KennethBrowne, JeremyLawrence, Norman | Monograph or Collective Volume | Blackstaff Press | 1994 |
| Parish of Bree | Sheil, P., Rev. | Article in Journal | | 1921 |
| Parliament | Gallagher, Michael | Article in Book | | 2005 |
| Parliamentary elections in North Tyrone, 1885-1921 | Roulston, William J. | Article in Book | | 2000 |
| Parnell : nationalism and romance | McCartney, Donal | Article in Book | | 2006 |
| Parnell's women | McCartney, Donal | Article in Book | | 2006 |
| Parnellites and anti-Parnellites in Kilkenny City | Patterson, Tony | Article in Journal | | 2017 |
| Parties and society | Marsh, Michael | Article in Book | | 2005 |
| Partition and the northern borstal boy,1921-7 | Osborough, W. N. (William Nial) | Article in Journal | | 1969 |
| Partition, postal services and Ulster unionist politics 1921–27 | Fitzpatrick, Claire | Article in Journal | | 2016 |
| Partition, postal services and Ulster Unionist politics, 1921-27 | Fitzpatrick, Claire | Article in Journal | | 2016 |
| Partitioning Ireland, India and Palestine | Fraser, Tom | Article in Book | | 1994 |
| Past masters | Brennan, Pat | Article in Journal | | 2003 |
| Pat O’Connor : boxer supreme | Tarrant, Con | Article in Journal | | 1996 |
| Patrick Moran Gaelic Athletic Club Belfast, 1922-1966. Associations and origins | Moran, May | Article in Journal | | 2013 |
| Peace by ordeal : an account from first-hand sources of the negotiation and signature of the Anglo-Irish treaty, 1921 | Pakenham, Francis Aungier, 7th earl of Longford, 1905-2001 | Monograph or Collective Volume | New English Library | 1967 |
| Peace by ordeal : the negotiation of the Anglo-Irish Treaty, 1921 | Coogan, Tim PatPakenham, Francis Aungier, 7th earl of Longford, 1905-2001 | Monograph or Collective Volume | Pimlico | 1992 |
| Peace by ordeal; an account from first-hand sources of the negotiation and signature of the Anglo-Irish treaty, 1921 | Pakenham, Francis Aungier, 7th earl of Longford, 1905-2001 | Monograph or Collective Volume | Mercier Press | 1952 |
| Peace processes and communalism in Northern Ireland | Ruane, JosephTodd, Jennifer | Article in Book | | 1998 |
| People and places: incidental observations concerning Aran and Connemara in 19th century natural history publications | Mitchell, M.E. | Article in Journal | | 2021 |
| Personal narratives of Irish and Scottish migration, 1921-65 : "for spirit and adventure" | McCarthy, Angela, 1971- | Monograph or Collective Volume | Manchester University Press | 2007 |
| Peter Flood and family, staunch republicans | Stewart, Barry | Article in Book | | 2015 |
| Petticoat pilots : biographies and achievements of Irish female aviators, 1909-1939. Volume two. | Traynor, Michael | Monograph or Collective Volume | Michael Traynor | 2019 |
| Phantom Force - The 'Royal Irish Constabulary Special Reserve' | Leeson, D.M. | Article in Journal | | 2022 |
| Phoenix Paradiso | O'Connor, John | Article in Journal | | 2019 |
| Photographic feature : Victorian images of the past | Scarry, John | Article in Journal | | 1997 |
| Physical force within the bounds of political constraints : GHQ's role in the War of Independence | Lingard, Katie | Article in Book | | 2015 |
| Place names in the North of Ireland | Bardon, Jonathan, 1941- | Monograph or Collective Volume | Northern Ireland Centre for Learning Resources | 1992 |
| Place-names of Great Britain and Ireland | Field, John, 1921- | Monograph or Collective Volume | David & Charles | 1980 |
| Plenipotentiaries appointed | Connell, Joseph E.A. | Article in Journal | | 2021 |
| Plunkett's legacy : an Irishman's contribution to the rule of law in New South Wales | Earls, Tony | Monograph or Collective Volume | Australian Scholarly Publishing | 2009 |
| Plus ça change : the Irish language and politics | MacPóilin, Aodán | Article in Book | | 1997 |
| Policy networks and state-farmer relations in Northern Ireland, 1921-72 | Greer, Alan | Article in Journal | | 1994 |
| Political imprisonment and the Irish, 1912-1921 | Murphy, William | Monograph or Collective Volume | Oxford University Press | 2014 |
| Political life : 1870-1921 | Ó Néill, Tomás | Article in Book | | 1970 |
| Political life in Cavan, 1913-21 | Sheridan, Margaret M. | Thesis | | 1985 |
| Political structures, social interaction and identity change in Northern Ireland | Douglas, Neville | Article in Book | | 1997 |
| Politics and education in Northern Ireland : an analytical history | Daly, PeterSimpson, Kirk | Article in Journal | | 2004 |
| Politics and Irish Life, 1913-1921 : Provincial Experience of War and Revolution | Fitzpatrick, David | Monograph or Collective Volume | Gill & Macmillan | 1977 |
| Politics and Irish life, 1913-1921 : provincial experience of war and revolution | Fitzpatrick, David | Monograph or Collective Volume | Cork University Press | 1998 |
| Politics and society in east Galway, 1914-1921 | McNamara, Conor | Thesis | | 2009 |
| Politics and the cinematograph. The Boer War and the funeral of Thomas Ashe | Condon, Denis | Article in Journal | | 2008 |
| Politics and the state, 1922-32 | O'Halpin, Eunan | Article in Book | | 2003 |
| Politics in a Time of War | Laffan, Michael | Article in Book | | 2017 |
| Politics of revolution : local government in Ireland during the Anglo-Irish war | Boran, Marie | Article in Journal | | 1988 |
| Poltergeist pistol | Duggan, John P. | Article in Journal | | 1995 |
| Poor relief in the north of Ireland, 1850-1921 | Purdue, Olwen | Article in Book | | 2011 |
| Poor relief in the south of Ireland, 1850-1921 | Laragy, Georgina | Article in Book | | 2011 |
| Portlaoise : a historical account | Parsons, Michael | Article in Journal | | 1982 |
| Portobello Barracks Banner | Crowley, Brian | Article in Book | Cork University Press | 2024 |
| Poverty and power: the Irish Poor Law in a north Antrim town,1861-1921 | Purdue, Olwen | Article in Journal | | 2011 |
| Pre-university education, 1870-1922 | Akenson, Donald Harman | Article in Book | | 1996 |
| Pre-university education, 1921-84 | Akenson, Donald HarmanCoolahan, JohnFarren, Sean | Article in Book | | 2003 |
| Preserving ancient and historic monuments and sites in state care in Northern Ireland, c. 1921 to c. 1955. Part four : fresh departures in the system of care | Fry, Malcolm F. | Article in Journal | | 2007 |
| Preserving ancient and historic monuments and sites in state care in Northern Ireland, c. 1921 to c. 1955. Part three : reorganizing the system of care | Fry, Malcolm F. | Article in Journal | | 2006 |
| Preserving ancient and historic monuments and sites in state care in Northern Ireland, c. 1921 to c. 1955. Part two : developing a system of care | Fry, Malcolm F. | Article in Journal | | 2005 |
| Preserving ancient and historic monuments and sites in state care in Northern Ireland, c1921-c1955. Part One: Establishing a system of care | Fry, Malcolm F. | Article in Journal | | 2003 |
| Principles of freedom | MacSwiney, Terence | Monograph or Collective Volume | Cork City Libraries | 2005 |
| Print literacy in Irish in the nineteenth century | Ó Ciosáin, Niall | Article in Book | | 2025 |
| Printing in Cork in the first quarter of the eighteenth century (1701-1725) | Dix, E. R. McC. (Ernest Reginald McClintock), 1857-1936 | Article in Journal | | 1921 |
| Prison records for family history | Donovan, Brian | Article in Journal | | 2013 |
| Prisoners of war : Ballykinlar internment camp, 1920-1921 | Ó Duibhir, Liam | Monograph or Collective Volume | Mercier | 2013 |
| Private sessions of second Dáil : minutes of proceedings, 18 August 1921 to 14 September 1921 and report of debates 14 December 1921 to 6 January 1922 = Suíonna príobhaideacha an dara Dáil : miontuairiseí na nimeachtaí 18 Lúnasa 1921 go 14 Meán Fómhair 1921 agus tuairisc na ndíospóireachtaí 14 Nollaig 1921 go 6 Eanáir 1922 | | Monograph or Collective Volume | The Stationery Office | 1972 |
| Professionalization and suicidal defence planning by the Irish army, 1921-1941 | Farrell, Theo | Article in Journal | | 1998 |
| Professor Marcus M. Hartog | Sperrin-Johnson, J. C. | Article in Journal | | 1946 |
| Professor Smiddy and the development of the Irish Diplomatic Service - Response to Professor Bernadette Whelan | Kennedy, Michael (Michael J.) | Article in Journal | | 2015 |
| Propaganda II : propaganda of Dáil Éireann, 1919-1921 | Inoue, Keiko | Article in Book | | 2002 |
| Propaganda of Dáil Éireann : from truce to treaty | Inoue, Keiko | Article in Journal | | 1997 |
| Protestant Challenges to the 'Protestant State' : Ulster Unionism and Independent Unionism in Northern Ireland, 1921-1939 | Reid, Colin W. | Article in Journal | | 2008 |
| Protestant schools in the Republic of Ireland : heritage, image and concerns | Considere-Charon, Marie-Claire | Article in Journal | | 1998 |
| Protestant Ulster : ethno-history, memory and contemporary prospects | Officer, David ; Walker, Graham | Article in Journal | | 2000 |
| Protestants in the South. Beyond the stereotyped views | Coulter, Carol | Article in Journal | | 1994 |
| Public opinion and the Irish Civil War in Connaught, 1921-1923 | O'Connor, Sanchia Katherine | Thesis | | 2001 |
| Public opinion and the Irish Civil War in Connaught, 1921-23 | O'Connor, Sanchia Katherine | Thesis | | 2000 |
| Publications by Basil Chubb | Anonymous | Article in Book | | 1993 |
| Punt sa sparán | Ó Cofaigh, Tomás F. | Article in Book | | 1993 |
| Putting the border in place : customs regulation in the making of the Irish border, 1921-1945 | Dennis, LorraineGraham, BrianNash, Catherine | Article in Journal | | 2010 |
| Quantifying woodland resource usage and selection from Neolithic to post Mediaeval times in the Irish Midlands | Mitchell, Fraser J. G.O'Carroll, Ellen | Article in Journal | | 2017 |
| Queries, Difficulties and Anomalies: A memo on the Government of Ireland Act (1920) by Michael Joseph McEnery, Deputy Keeper of the Public Records | Wallace, Ciarán
| Article in Journal | | 2022 |
| R.I.C. Consolidation in Limerick 1919-1921 | Toomey, Thomas | Article in Journal | | 2006 |
| Racing 100 years ago. Reminiscences of the Galway Plate | Anonymous | Article in Journal | | 1993 |
| Racisme, sectarisme et politique en Irlande du Nord | Maillot Agnès | Article in Journal | | 2010 |
| Radical nationalist activities in County Derry 1900-1921 | Augusteijn, Joost | Article in Book | | 1999 |
| Rambles through the south of Ireland : an antiquarian's journey | Ó Riain-Raedel, Dagmar | Article in Journal | | 2008 |
| Raschlenie Irlandii v 1921 g. (Obzor noveishikh istochnikov i literatury) | Yavovchenko, E. A. | Article in Journal | | 1981 |
| Rational choice and British politics : an analysis of rhetoric and manipulation from Peel to Blair | McLean, Iain | Monograph or Collective Volume | Oxford University Press | 2001 |
| Réabhlóid in Oideachas Bunscoile na hÉireann, 1900-1921 | Ó Cíosáin, Seán | Article in Journal | | 1950 |
| Reaction and reorganisation : the anti-Treaty IRA, January-April 1922 | Stover, Justin | Article in Book | NA | 2006 |
| Reactionary conservatism or radical utopianism? A.E. and the Irish cooperative movement | McAteer, Michael | Article in Journal | | 2000 |
| Reassessing Irish industrial relations and labour history : the north-east of Ireland up to 1921 | Black, Boyd | Article in Journal | | 2002 |
| Rebel Cork's fighting story from 1916 to the truce with Britain | Kerryman Printing Co. | Monograph or Collective Volume | Kerryman | 1961 |
| Rebel Cork's fighting story, 1916-1921, told by the men who made it | Anonymous | Monograph or Collective Volume | Kerryman | 1947 |
| Rebel Cork's fighting story, 1916-1921, told by the men who made it : with a unique pictorial record | Anonymous | Monograph or Collective Volume | Mercier Press | 2009 |
| Recalling the British Legion in Tullamore | Byrne, Michael | Article in Book | Esker Press | 2018 |
| Recognising the "other" in the Irish revolution | Coleman,Marie | Article in Book | | 2023 |
| Recollections of the Irish war | Figgis, Edward Darrell | Monograph or Collective Volume | Benn | 1927 |
| Reconciliation, rights, and protests, 1963-8 | Whyte, J. H. | Article in Book | | 2003 |
| Recovering Archival Futures | Crowe, Caitríona | Article in Book | | 2023 |
| Recovering imagined futures in nationalist Ireland, in the summer of 1921 | O'Callaghan, Margaret | Article in Book | NA | 2023 |
| Recovering Imagined Futures: A Spirit of Revolution? | Cunningham, John, 1957- | Article in Book | NA | 2023 |
| Reforming and reframing : newspaper representations of Mary Bowles and the War of Independence | Ryan, Louise | Article in Book | | 2010 |
| Regionalism, modernism and identity : sculpture in Northern Ireland, 1921-51 | McVeigh , Emma | Thesis | | |
| Registers of successful vaccinations | Fitzsimons, Fiona | Article in Journal | | 2020 |
| Registrar General for Ireland. First annual report of the Registrar-General of Marriages, Births and Deaths in Ireland, 1864. ([4137] (1868-9). XVI, 665.) | Anonymous | Monograph or Collective Volume | | 1868-9- |
| Reinventing the souterrain | Dowd, MarionMoore, SamSullivan, IvanSullivan, Stewart | Article in Journal | | 2017 |
| Relief and state-building : Herbert Hoover and Ireland, 1921-33 | Whelan, Bernadette | Article in Book | Four Courts Press | 2024 |
| Religion, ethnic identity and the Protestant minority in the Republic | Coakley, John | Article in Book | | 1998 |
| Remarks on the walls and church of Athenry | McNeill, Charles | Article in Journal | | 1921 |
| Remembering the Men of the South | Carroll, Aideen | Article in Journal | | 2015 |
| Reminding and Remembering | Michael, Laffan | Article in Book | | 2023 |
| Reordering the world in the aftermath of the First World War | Gallagher, Niamh | Article in Book | | 2022 |
| Reports from a 'Bleeding Ireland' : the 'Cork Examiner' during the Irish war of independence | Kenneally, Ian | Article in Journal | | 2003 |
| Representative government: the electoral systems | Reidy, Theresa | Article in Book | NA | 2023 |
| Republican administation of local government in Limerick, 1920-21 | O'Callaghan, John | Article in Journal | | 2005 |
| Republican Hunger Strikes | Stover, Justin | Article in Book | | 2017 |
| Republican policing and the Irish revolution | Hanley, Brian | Article in Book | | 2023 |
| Republicanism and loyalty in Ireland | Boyd, Andrew, 1921- | Monograph or Collective Volume | Donaldson Archives | 2001 |
| Rev. Adam Averill's portrait, 1798 | Morgan, Robert | Article in Journal | | 1921 |
| Review article : the Northern Ireland problem : cases, theories and solutions | Lijphart, Arend | Article in Journal | | 1975 |
| Review article. "The crooked roar to partition". The highways and byways of late nineteenth- and early twentieth-century Ulster politics | Clarkson, L. A. (Leslie A.) | Article in Journal | | 2017 |
| Review article. Modernism at the Movies | Mannion, Sean | Article in Journal | | 2009 |
| Review Essay. In the shadow of the split. Writing the Irish Civil War | Foster, Gavin | Article in Journal | | 2006 |
| Revolt of the bottom dogs : history of the trade union movement Limerick city and county 1916-1921 | Lee, David | Monograph or Collective Volume | Labour History Research Group | 1988 |
| Revolutionary government in Ireland 1919-1921 | Mitchell, Arthur | Article in Journal | | 1983 |
| Revolutionary government in Ireland : Dáil Eireann, 1919-1921 | Mitchell, Arthur | Monograph or Collective Volume | Gill & Macmillan | 1993 |
| Revolutionary government in Ireland : Dáil Eireann, 1919-22 | Mitchell, Arthur | Monograph or Collective Volume | Gill & Macmillan | 1995 |
| Revolutionary Limerick : the republican campaign for independence in Limerick, 1913-1921 | O'Callaghan, John | Monograph or Collective Volume | Irish Academic Press | 2010 |
| Rewriting Irish History (1916-1921) in popular culture: Blood upon the Rose and At War with the Empire by Gerry Hunt | Morisson, Valérie | Article in Book | | 2015 |
| Richard Mulcahy and the Civil War | Taaffe, Patrick | Article in Journal | | 2015 |
| Richard Mulcahy and the conclusion of the Civil War | Taaffe,Patrick | Article in Journal | | 2016 |
| Rinuccini and civil war in Ireland, 1644-49 | Boyd, Andrew, 1921- | Article in Journal | | 1991 |
| Rising out : Seán Connolly of Longford (1890-1921) | O'Malley, Ernie (Ernest Bernard), 1897-1957 | Monograph or Collective Volume | University College Dublin Press | 2007 |
| Road versus rail : documents on the history of public transport in Northern Ireland 1921-48 | Greer, P. Eugene | Monograph or Collective Volume | Public Record Office of Northern Ireland | 1982 |
| Robert Childers Barton. A man of many parts | Cox, Rick | Article in Journal | | 1996 |
| Robert de Waldeby, O.S.A., archbishop of Dublin, 1390-1395 | Foran, E. A. | Article in Journal | | 1921 |
| Robert Greacen. Getting on with the 'job of living' | Ferris, Sarah | Article in Journal | | 2007 |
| Robert Lynd : essayist and Irishman | Boyd, Andrew, 1921- | Article in Journal | | 2003 |
| Robert Workman of Newtownbreda, 1835-1921 | Garner, Margaret A. K. | Monograph or Collective Volume | Mullen | 1969 |
| Role of the Irish in WWII | McGrath, Con | Article in Journal | | 2012 |
| Room 254 and Fr. John Walsh of Bandon (d. 1964) | Shortall, John | Article in Journal | | 2007 |
| Rosa Mulholland, W.P. Ryan and Irish Catholic fiction at the time of the Anglo-Irish revival | Murphy, James H. | Article in Book | | 1995 |
| Rosalind Howard, the contradictory countess of Carlisle | Ridgway, Christopher | Article in Book | | 2018 |
| Roscommon town as seen in 1921 "Roscommon Journal" | | Article in Journal | | 2000 |
| Royal agency and state integration : Ireland, Wales and Scotland in a monarchical context, 1840s-1921 | Loughlin, James | Article in Journal | | 2013 |
| Royal agency and state integration : Ireland, Wales and Scotland in a monarchical context, 1840s–1921 | Loughlin, James | Article in Journal | | 2013 |
| Royal roots, republican inheritance : the survival of the Office of Arms | Hood, Susan | Monograph or Collective Volume | Woodfield Press in association with the National Library of Ireland | 2002 |
| Saint Vauk of Carne | Dalton, John P. | Article in Journal | | 1921 |
| Sam Carse and the county Donegal railway | Carse, DavidCarse Barry | Article in Journal | | 2009 |
| Sam Hughes : folk hero of the future | Senior, Hereward | Article in Book | | 1988 |
| Scandal and betrayal : Shackleton and the Irish crown jewels | Cafferky, JohnHannafin, Kevin | Monograph or Collective Volume | Collins | 2002 |
| Scattered, ambushed and laid out: war and counterinsurgency in the greater Tuam area, 1919-21 | Gardiner, Eamonn T. (Eamonn Thomas) | Article in Journal | | 2015 |
| Sean Lunny. In memoriam | Anonymous | Article in Journal | | 2013 |
| Seán McCartney memorial | Lee, Seán | Article in Journal | | 1978 |
| Seán Ó Riada's Requiem do shaighdiúir | O'Keefe, John | Article in Book | | 2018 |
| Sean Óglaigh na-hÉireann [sic.] i gContae Laoise. The Old I.R.A. of County Laois | O'Rourke, Shane | Article in Journal | | 2016 |
| Seán Treacy and the Tan War | Ambrose, Joseph G. | Monograph or Collective Volume | Mercier Press | 2007 |
| Secession or opting out? Northern Ireland and Article 12 of the Anglo-Irish Treaty | Torrance, David | Article in Book | | 2022 |
| Secondary education in Ireland : 1870-1921 | McElligott, T. J. | Monograph or Collective Volume | Irish Academic Press | 1981 |
| Seeking conciliation : William O'Brien and the Ulster crisis, 1911-14 | Warwick-Haller, Sally | Article in Book | | 2006 |
| Select documents XLIX. Letters of mourning from Katherine O'Shea Parnell to Delia Tudor Stewart Parnell | | Article in Journal | | 1998 |
| Sensation in Stillorgan: the raid on St John of God Hospital in 1921 | Cogan, Frank | Article in Journal | | 2021 |
| Settler nationalism : Ulster unionism and postcolonial theory | McGrath, F. C. | Article in Journal | | 2012 |
| Shadow among splendours : Lady Charlotte Wheeler-Cuffe's adventures among the flowers of Burma, 1897-1921 | Nelson, E. Charles | Monograph or Collective Volume | National Botanic Gardens | 2015 |
| Shadow of a taxman : how, and by whom, was the Republican government financed in the Irish War of Independence (1919-21)? | Adams, Robin John Charles | Thesis | | |
| Shadow of a Taxman: Who Funded the Irish Revolution? | Adams, R. J. C. | Monograph or Collective Volume | Oxford University Press | 2022 |
| Sharpness and light : An Claidheamh Soluis (1899-1932) | Ó Conaire, Breandán | Article in Book | | 2025 |
| Shootout at Dagg's Farm | O'Donnell, Michael | Article in Journal | | 2013 |
| Shot while evading arrest in Stonefield - the tragic fate of Patrick McDonnell, March 1921 | Cogan, John F. | Article in Journal | | 2016 |
| Showcasing globalisation? the political economy of the Irish Republic | Smith, Nicola Jo-Anne | Monograph or Collective Volume | Manchester University Press | 2005 |
| Sinn Féin and Republican suspects, 1899-1921 : Dublin Castle Special Branch Files (CO 904 (193-216) ) | Anonymous | Monograph or Collective Volume | Eneclann | 2006 |
| Sinn Féin from dual monarchy to the first Dáil | Laffan, Michael | Article in Book | | 1994 |
| Sinn Féin propaganda and the "Partition Election", 1921 | Inoue, Keiko | Article in Journal | | 1999 |
| Sinn Féin, agrarian radicalism and the war of independence, 1919-1921 | Bew, Paul | Article in Book | | 1988 |
| Sir Charles A. Cameron (1803-1921) | Mac Thomáis, Éamonn, 1927-2002 | Article in Journal | | 1968 |
| Sir Edward Carson, Ulster leader | Balfour, Arthur James, 1st earl Balfour, 1848-1930Bates, Jean VictorCraig, James, Sir | Monograph or Collective Volume | John Murray | 1921 |
| Sister Mary Austin (Keohane | Anonymous | Article in Journal | | 2014 |
| Sister Nóirín de Buitléir | Butler, David J. | Article in Journal | | 2016 |
| Six Local Heroes | Wylie, Griffith | Article in Journal | | 2009 |
| Sixty years in residence | Anonymous | Monograph or Collective Volume | Irish Bank Officials Association | 1981 |
| Sligo, 1914-1921 : a chronicle of conflict | Farry, Michael | Monograph or Collective Volume | Killoran press | 1992 |
| Sligo, 1921-1923: the aftermath of revolution | Farry, Michael Francis | Thesis | | 1999 |
| Society and political culture | Coakley, John | Article in Book | | 2005 |
| Some activities in Cork city, 1920-21 | Russell, Liam | Article in Journal | | 1970 |
| Some Galway and other memories from Ballykinlar Camp 1921 | O'Dowd, Peadar | Article in Journal | | 1996 |
| Some notes on events in the Castletownroche battalion area 1914-1921 | Duane, Tom | Article in Journal | | 2012 |
| Some recollections of the East Wicklow Volunteers 1914-21 | Fagan, Ben | Article in Journal | | 2016 |
| Some Roscommon actions, 1920-1921 | Lavin, T. J. | Article in Journal | | 1970 |
| Sons of fire : the murder of Thomas Hodgett 1921 | Courtney, Ultan | Monograph or Collective Volume | Self Published | 2022 |
| Sounds Irish : the Irish language in Australia | Lonergan, Dymphna | Monograph or Collective Volume | Lythrum Press | 2004 |
| Sources for Labour history : the Walter Long and Field Marshal Lord French papers | O'Halpin, Eunan | Article in Journal | | 1989 |
| Sources for the history of Roman catholics in England, Ireland and Scotland from the Reformation period to that of emancipation, 1533 to 1795 | Pollen, John Hungerford | Monograph or Collective Volume | | 1921 |
| Sources for the history of Roman Catholics in England, Ireland and Scotland from the reformation period to that of emancipation, 1533 to 1795 | Pollen, J. H. | Monograph or Collective Volume | | 1921 |
| Sources for the study of crime in Ireland, 1801-1921 | Griffin, Brian | Monograph or Collective Volume | Four Courts | 2005 |
| Sources for the study of the history of the secondary school curriculum : a survey of the Irish scene, 1921-1962 | O'Donoghue, Thomas A., 1953- | Article in Journal | | 1990 |
| Sources. Keeping an eye on the usual suspects : Dublin Castle's 'Personalities Files' | McGarry, Fearghal | Article in Journal | | 2006 |
| Southern policy towards "The Six" since 1921 : myth and reality | Coogan, Tim Pat | Article in Book | | 1995 |
| Sovereign people or crown subjects? : the case for Articles 2 and 3 and against sections 1 and 75 | Ó Ceallaigh, Daltún | Monograph or Collective Volume | Léimheas | 1993 |
| Special Infantry Corps | | Article in Book | | 2017 |
| Speeches from the dock : or, protests of Irish patriotism. | OthersSullivan, T. D. | Monograph or Collective Volume | | 1882 |
| Spies, informers and the 'Anti - Sinn Féin Society' : the intelligence war in Cork City, 1920-1921 | Borgonovo, John | Monograph or Collective Volume | Irish Academic Press | 2007 |
| Spiritual wounds: trauma, testimony and the Irish Civil War | Aiken, Síobhra | Monograph or Collective Volume | Irish Academic Press | 2022 |
| Sport and war in an Irish town | Rouse, Paul | Article in Journal | | 2020 |
| St Palladius and the diocese of Ferns | SNX. P. | Article in Journal | | 1921 |
| State, politics and demography : the case of Irish emigration 1921-1971 | Delaney, Enda | Article in Journal | | 1998 |
| Statement of the Irish hierarchy on the condition of the country | Anonymous | Article in Journal | | 1942 |
| Status and statehood : exchange theory and British-Irish relations, 1921-41 | Githens-Mazer, J.O'Duffy, Brendan | Article in Journal | | 2002 |
| Stephen Gwynn and the failure of constitutional nationalism in Ireland, 1919-1921 | Reid, Colin | Article in Journal | | 2010 |
| Stephen Holland - Leap Company IRA | Ní Chonaill, Áine | Article in Journal | | 2012 |
| Stiophán Bairéad | Bairéad, Sighle | Article in Journal | | 1975 |
| Strange associations : Elizabeth Bowen and the language of exclusion | Brown, Matthew | Article in Journal | | 2012 |
| Strangers in our midst : middling people, revolution and counter-revolution in twentieth-century Ireland | Regan, John M., 1967- | Article in Journal | | 2001 |
| Strikes in Ireland, 1914-21 | Fitzpatrick, David | Article in Journal | | 1980 |
| Struggle for independence - IRA transportation of ammunition to Longford | Heslin, Michael F. | Article in Journal | | 2006 |
| Suicide in Ireland, 1831-1921 : a social and cultural study | Laragy, Georgina | Thesis | | 2004 |
| Summing it up : memoirs of an Irishman at the English bar | Comyn, James | Monograph or Collective Volume | Round Hall Press | 1991 |
| Sunningdale and the 1974 Ulster workers' Council strike | Gillespie, Gordon | Article in Journal | | 2007 |
| Surveillance and segregation : the foundations of Irish health policy | Powell, Fred | Article in Journal | | 1989 |
| Sworn to be free : the complete book of I.R.A. jailbreaks 1918-1921 | O'Donoghue, Florence | Monograph or Collective Volume | Kerryman | 1971 |
| T. Desmond Williams (1921-87) | McGuire, James | Article in Journal | | 1988 |
| T. P. O'Connor and The Star, 1886-90 | Sheehy, Ian D. | Article in Book | | 2004 |
| Tattie Hokers and the IRA: The impact of migration to Scotland on the IRA in Donegal during the War of Independence | Thompson, Kelly | Article in Journal | | 2009 |
| Teelin Coastguard Station 1873-1921 | Lavelle, Pat | Article in Journal | | 2024 |
| Teenage Kicks? Vignettes of youth culture across Northern Ireland | Mulvenna, Gareth | Article in Book | | 2022 |
| Telling America of Ireland's agony : Washington 1920 | Ó Callanáin, Seán | Article in Journal | | 2007 |
| Terence MacSwiney - playwright and patriot | Brennan, Fiona | Article in Journal | | 2021 |
| Text, paratext and translation : the Ulster Cycle in the Gaelic revival | Schwartz, Caitlyn | Article in Book | | 2013 |
| Tha Emporium, Church Street, Listowel, Co. Kerry | Lynch, Seán | Article in Journal | | 2018 |
| The "brick palace" at Drumcondra : Archbishop Walsh and the building of Archbishop's House | Sheehy, David C. | Article in Book | | 2000 |
| The "model army" : military imitation and the enfeeblement of the army in post-revolutionary Ireland, 1921-41 | Farrell, Theo | Article in Journal | | 1997 |
| The "scum of London's underworld"? British recruits for the Royal Irish Constabulary, 1920-21 | Leeson, David | Article in Journal | | 2003 |
| The 'boys' of the Millstreet battalion area : some personal accounts of the Irish War of Independence | | Monograph or Collective Volume | Aubane Historical Society | 2003 |
| The 'Good Old IRA' - remembering republican veterans after 1969 | Hepworth, Jack | Article in Journal | | 2022 |
| The 'irregular and bolshie situation' : republicanism and communism, 1921-36 | Ó Drisceoil, Donal | Article in Book | | 2003 |
| The 'local' Irish in the west of Scotland, 1851-1921 | Vaughan, Geraldine | Monograph or Collective Volume | Palgrave Macmillan | 2013 |
| The 1885 and 1886 general elections : a milestone in Irish history | Walker, B. M. (Brian Mercer) | Article in Book | | 1994 |
| The 1913 housing inquiry : Sir Charles Cameron, public health and housing in Dublin | Carroll, Lydia | Article in Book | Dublin City Council | 2013 |
| The 1913 lock-out : letters for the archbishop | Morrissey, Thomas J. | Article in Journal | | 1986 |
| The 1920 Mountjoy Hunger Strike - the Heath connection | Hyland, Jackie | Article in Journal | | 2016 |
| The 1921 Millstreet ambush | Doyle, Oliver | Article in Journal | | 2011 |
| The 1924 by-election in Limerick | Dempsey, Joan | Article in Journal | | 2014 |
| The 3rd brigade : a history of the Volunteers / IRA in south Tipperary, 1913-21 | Marnane, Denis G. | Monograph or Collective Volume | Tipperary County Council Library Service | 2018 |
| The account books of the Franciscan House, Broad Lane, Cork, 1764-1921 | | Monograph or Collective Volume | Irish Manuscripts Commission | 2012 |
| The activities of Irish Republican physical force organisations in Scotland, 1919-1921 | Patterson, Iain D. | Article in Journal | | 1993 |
| The Adairs of Donegal: towards a transatlantic game plan. Parts 1-2 | Spiegelman, Robert | Article in Journal | | 2008 |
| The aftermath of Parnell, 1891-1903 | Lyons, F. S. L. (Francis Stewart Leland) | Article in Book | | 1996 |
| The aftermath of revolution : Sligo 1921-23 | Farry, Michael | Monograph or Collective Volume | University College Dublin Press | 2000 |
| The amalgamation scheme : the closure of the workhouses in county Mayo | Curry, John | Article in Journal | | 1999 |
| The ambush at Kilraine, 1921 | McGill, Maria I. T. | Article in Journal | | 1969 |
| The American Commission on Irish Independence : the diary, correspondence and report | | Monograph or Collective Volume | Government Publications Sale Office [for] Irish Manuscripts Commission | 1985 |
| The Anglo-Irish treaty | Gallagher, FrankO'Neill, Thomas Patrick | Monograph or Collective Volume | Hutchinson | 1965 |
| The Anglo-Irish Treaty | Kennedy, Michael | Article in Book | | 2017 |
| The Anglo-Irish treaty 1921 : myths and strategies | McGrath, Claire | Article in Journal | | 2002 |
| The Anglo-Irish Treaty 1921: the response of the British Parliamentary Labour Party and Labour press | Gibbons, Ivan | Article in Journal | | 2011 |
| The Anglo-Irish treaty and after : the Canadian model and context | Murphy, John A. | Article in Book | | 1988 |
| The Anglo-Irish treaty of 1921 : Unionist aspects of the peace | Fair, John D. | Article in Journal | | 1972 |
| The Anglo-Irish truce : an analysis of its immediate military impact, 8-11 July 1921 | Ó Ruairc, Pádraig | Thesis | | 2014 |
| The Anglo-Irish war (1919-1921: Just war or unjust rebellion | McGrath, Andrew | Article in Journal | | 2012 |
| The Anglo-Irish War and the Irish Revolution | Hopkinson, Michael | Article in Journal | | 2001 |
| The Anglo-Irish war in Donegal | Sweeney, J. | Article in Journal | | 1957 |
| The Anglo-Irish War, 1916-1921 : a people's war | Kautt, William H. | Monograph or Collective Volume | Praeger | 1999 |
| The aristocracy of Ireland's 'Ancien Regime' | James, Francis G. | Article in Journal | | 1991 |
| The Armalite and the ballot box: Republicanism(s) and Northern Ireland | Scull, Margaret | Article in Book | | 2022 |
| The army in independent Ireland | O'Halpin, Eunan | Article in Book | | 1996 |
| The army split in Laois March 1922 | Gray, Mick, Comdt ; O'Connell, J.J. ("Ginger"), Col. | Article in Journal | | 2006 |
| The arrest of Father Hugh Curley, Adm, Clare Island, 1921 | Waldron, Kieran | Article in Journal | | 2010 |
| The background : Anglo-Irish relations 1898-1921 | Lee, J.J. (John Joseph), 1942- | Article in Book | | 2007 |
| The Ballymote Electric Lighting and Town Improvement Co | Blake, Edward | Article in Journal | | 2018 |
| The Barrowhouse ambush 1921 | O'Meara-Cardiff, Nessa | Monograph or Collective Volume | Lettertec Publishing | 2022 |
| The battle of Clonmult : the IRA's worst defeat | O'Neill, Tom | Monograph or Collective Volume | Nonsuch | 2006 |
| The battle of Crossbarry : the private British army inquiries into the deaths of Charlie Hurley and the other three volunteers | Ó Cuanacháin, Pádraig | Article in Journal | | 2003 |
| The battle of Tourmakeady : fact or fiction : a study of the IRA ambush and its aftermath | Buckley, Donal, Captain | Monograph or Collective Volume | Nonsuch | 2008 |
| The Belfast Boycott | Lynch, Robert | Article in Book | | 2017 |
| The Belfast Labour movement 1881-1921 | Collins, Peter | Article in Book | | 1994 |
| The Belfast Natural History and Philosophical Society, centenary volume, 1821-1921 | | Monograph or Collective Volume | [s.n.] | 1924 |
| The Belfast Troubles at one hundred | Wilson, Tim | Article in Book | | 2022 |
| The best of times : memoirs of a countryman | Briscoe, George | Monograph or Collective Volume | Bellinter Bridge Publications | 2005 |
| The bicycle and the Irish revolution, 1913-1921 | Griffin, Brian | Monograph or Collective Volume | | 2022 |
| The Bicycle and the Irish Revolution, 1913-1921. Part I: 1913-1918 | Griffin, Brian | Article in Journal | | 2022 |
| The Bicycle and the Irish Revolution, 1913-1921. Part II: 1919-1921 | Griffin, Brian | Article in Journal | | 2022 |
| The big fellow : a life of Michael Collins | O'Connor, Frank | Monograph or Collective Volume | Nelson | 1937 |
| The big fellow : Michael Collins and the revolution | O'Connor, Frank | Monograph or Collective Volume | Clonmore & Reynolds | 1965 |
| The Birth of the Irish Free State, 1921-1923 | Curran, J. M. | Monograph or Collective Volume | Alabama UP | 1980 |
| The Black & Tans, 1920-1921
A Complete Alphabetical List, Short History and Genealogical Guide | Herlihy, Jim | Monograph or Collective Volume | Four Courts | 2021 |
| The Black & Tans, 1920-1921 | Herlihy, Jim | Monograph or Collective Volume | Four Courts Press | 2021 |
| The Black and Tans | Bennett, Richard | Monograph or Collective Volume | Hulton | 1959 |
| The Black and Tans : British police and auxiliaries in the Irish War of Independence, 1920-1921 | Leeson, D. M. | Monograph or Collective Volume | Oxford University Press | 2011 |
| The Black and Tans in Ballylongford | Lane, CaitrionaÓ Concubhair, Pádraig | Article in Journal | | 2002 |
| The Black Irish of Jamaica | Mullally, R. | Article in Journal | | 2003 |
| The Book of Domhnall Ó Duibhdábhoireann, provenance and codicology | O'Sullivan, William, 1921-2000 | Article in Journal | | 1999 |
| The Book of Kells | O'Sullivan, William, 1921-2000 | Article in Book | | 1967 |
| The book of Uí Maine, formerly the book of Ó Dubhágain : scripts and structure | O'Sullivan, William, 1921-2000 | Article in Journal | | 1989 |
| The Boundary Commission debacle 1925 : aftermath and implications | Staunton, Enda | Article in Journal | | 1996 |
| The breakdown of public security : the case of Ireland 1916-1921 and Palestine 1936-1939 | Bowden, Tom | Monograph or Collective Volume | | 1977 |
| The British Army in Ireland | Sheehan, William | Article in Book | | 2017 |
| The British Army in Ireland 1916-1921 : a social and cultural history | Butler, Benjamin Laurence | Thesis | | |
| The British army's experience in Cork city and county, 1919-1921 | Sheehan, William | Thesis | | 2008 |
| The British Campaign in Ireland, 1919-1921 : The Development of Political and Military Policies | Townshend, Charles | Monograph or Collective Volume | Oxford University Press | 1975 |
| The British Foreign Office and new perspectives on the Irish issue in Anglo-American relations, 1919-21 | Hachey, Thomas E. | Article in Journal | | 1972 |
| The British in Ireland. Series I : Part 1 : anti-government organisations, 1882-1921 | Anonymous | Monograph or Collective Volume | Harvester P. | 1982 |
| The British state and the education of the Irish Catholics, 1850-1921 | Comerford, R.V. (Richard Vincent) | Article in Book | | 1991 |
| The British working class movement and the Irish national question, 1916-1921 | Bell, Geoffrey | Thesis | | |
| The building of St Colman's Cathedral, Cobh | Wilson, Ann | Article in Journal | | 2004 |
| The burden of memory : victims, storytelling and resistance in Northern Ireland | Hackett, ClaireRolston, Bill | Article in Journal | | 2009 |
| The burning of Clifden, March 17, 1921 | Lyden, Michael | Article in Journal | | 1993 |
| The Burning of Irish Country Houses, 1920-21 | Dooley, Terence | Article in Book | | 2017 |
| The burning of Knockcroghery | Coyne, F. | Article in Journal | | 1990 |
| The burning of Knockcroghery village Co. Roscommon 1921 | Donlon, Regina | Monograph or Collective Volume | Four Courts Press | 2022 |
| The burning of Roslea village, Co. Fermanagh in 1921 and the reprisals | Holland, Pat | Article in Journal | | 2019 |
| The burning of Spaights', Union Hall 1921 | Donnelly, James S., JrNí Chonaill, Áine | Article in Journal | | 2014 |
| The capture and death of Major Geoffrey Lede Compton-Smith, 1921 | Ní Shíocháin, Saoirse | Article in Journal | | 2018 |
| The capture and execution of District Inspector Potter | Hallinan, Michael | Article in Book | | 1993 |
| The capture of Rosscarbery R.I.C. barracks | O'Callaghan, Con | Article in Journal | | 2001 |
| The Carsonite revolution, 1910-1921 | Duffy, Francis | Article in Journal | | 1958 |
| The Cartoon War | Ó Drisceoil, Donal | Article in Book | Cork University Press | 2024 |
| The cartoonist as outsider : the case of Martyn Turner | Larkin, Felix M. | Article in Journal | | 2020 |
| The case of Mrs Lindsay | Gordon, Cécile | Article in Journal | | 2015 |
| The Catholic Church and investor capitalism in late-nineteenth century Ireland | Roddy, Sarah ; Doyle, Patrick | Article in Journal | | 2023 |
| The Catholic Church, Ireland and the British Empire, 1800-1921 | Rafferty, Oliver P. | Article in Journal | | 2011 |
| The Catholic clergy and the independence movement | Ó Fiaich, Tomás | Article in Journal | | 1970 |
| The Catholic Community in the Seventeenth and Eighteenth Centuries | Corish, Patrick J. | Monograph or Collective Volume | Ulster Historical Foundation | 2021 |
| The centenary of Rev. Sylvester Malone, great Catholic and great citizen | O'Brien, Denis R. | Article in Journal | | 1921 |
| The centenary of the Pioneer Total Abstinence Association of the Sacred Heart | O'Hare, P. J. | Article in Journal | | 1999 |
| The changing face of Irish nationalist politics, 1910-21: an examination of the evidence from County Galway | Phelan, Siobhan Meagher- | Thesis | | 1989 |
| The changing role of the middle classes in twentieth-century Ireland | Ruane, JosephTodd, Jennifer | Article in Book | | 2016 |
| The Chetwood letters | Chetwood, Knightly | Article in Journal | | 1921 |
| The Chetwoods of Woodbrook in the Queen's County | Strickland, Walter G. | Article in Journal | | 1921 |
| The chief secretaries in Ireland 1566-1921 | Hughes, J. L. J. | Article in Journal | | 1952 |
| The children, the ITGWU, and the archbishop | Nevin, Donal | Article in Book | | 1998 |
| The church and Northern Ireland | Hogan, Edmund | Article in Journal | | 1980 |
| The churches and Irish emigration to Britain, 1921-60 | Delaney, Enda | Article in Journal | | 1998 |
| The civil war : a teenager's recollections 70 years on | O'Rahilly, Aodagán | Article in Journal | | 1992 |
| The Civil War Legacy: Ireland in the 1920s and 1930s | McGarry, Fearghal | Article in Book | Cork University Press | 2024 |
| The Clones missal | Quigley, E. J. | Article in Journal | | 1921 |
| The Clonfin ambush | Carty, John | Article in Journal | | 1971 |
| The coinage of Ireland during the rebellion, 1642-52 | Yeates, F. W. | Article in Journal | | 1921 |
| The Coleraine War Memorial | | Article in Journal | | 2016 |
| The Communist Party of Ireland 1921-2011: vol. 1, 1921-1969 | Treacy, Matt | Monograph or Collective Volume | Brocaire Books | 2012 |
| The conduct of the Anglo-Irish war, 1919-1921 | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Book | | 1968 |
| The Connaught Rangers mutiny in its wider context : military discipline, loyalty and sedition and India, 1914-21 | O'Halpin, Eunan | Article in Book | | 2021 |
| The Conservatives and the redefinition of Unionism, 1912-21 | Evans, Stephen | Article in Journal | | 1998 |
| The conserving crowd : mass unionist demonstrations in Liverpool and Tyneside, 1912-13 | Jackson, Daniel M.MacRaild, Donald M. | Article in Book | | 2006 |
| The consolidation of the Irish revolution, 1921-1923 : the Free-Staters | Curran, Joseph M. | Article in Journal | | 1968 |
| The constituency role of Dáil deputies | Gallagher, Michael | Article in Book | | 2005 |
| The constitution and the judiciary | Gallagher, Michael | Article in Book | | 2005 |
| The continuity of the Irish revolutionary movement : 1848 and 1912 | Leech, H. Brougham (Henry Brougham), 1843-1921. | Monograph or Collective Volume | Simpkin, Marshall, Hamilton, Kent | 1912 |
| The Cooper, The Racer and the Draper's Curate: Settling Accounts in the Ballyduff National League 1880-1891 | Tobin, Richard | Article in Journal | | 2017 |
| The Cork Harbour Soviet of 1921 | Dineen, Luke | Article in Journal | | 2017 |
| The courts of assize in King’s County/Offaly in the years 1914–21 | Byrne, Michael | Monograph or Collective Volume | | 2023 |
| The curious case of the ‘Sinn Féin Typhoid Plot’ | Barry, Michael B. | Article in Journal | | 2020 |
| The Curragh internees 1921-24: from defiance to defeat | Durney, James | Article in Journal | | 2011 |
| The current position and further options for developing historical national accounts for Ireland, 1850 - 1921 | Bielenberg, Andy | Article in Journal | | 2010 |
| The D&SER and the 1921 miner's strike | O'Rourke, Alan | Article in Journal | | 2013 |
| The Dáil cabinet's mission to Belfast November 1921 to January 1922 | Clancy, Julitta | Article in Journal | | 2021 |
| The Dáil cabinet’s mission to Belfast, 1921–2 | Barton, Brian | Article in Book | | 2022 |
| The dark days of 1921 remembered | Spain, Con | Article in Journal | | 1996 |
| The Dawning of the day | O'Brennan, Lily M. | Article in Journal | | 1936 |
| The Dead of the Irish Revolution | O'Halpin, EunanÓ Corráin, Daithí | Monograph or Collective Volume | Yale UP | 2020 |
| The death of Charlie Hurley (1894-1921) (The National Struggle 1913-1921 : a pictorial record, Part VII) | Lyons, Michael | Article in Journal | | 1997 |
| The death of Mrs King | Gyves, Michael A. | Article in Journal | | 2010 |
| The decline of ethnic politics in Boston, 1882-1921 | Munslow, Alun | Article in Journal | | 1986 |
| The delegates of the two governments | Anonymous | Article in Journal | | 1971 |
| The demise of the English courts in Donegal, 1920-1921 | Ó Duibhir, Liam | Article in Journal | | 2010 |
| The Derry Watershed: Its religious and political demography, 1922-1911 | Gurrin, BrianMiller, Kerby A. | Article in Journal | | 2013 |
| The developing crisis, 1907-14 | Lyons, F. S. L. (Francis Stewart Leland) | Article in Book | | 1996 |
| The development of Tullamore, 1700-1921 | Byrne, Michael J. | Thesis | | 1980 |
| The diaries of Benjamin Greene of Hill House, Lecarrow - Part 2 | Byrne, Mai | Article in Journal | | 2005 |
| The diaries of Benjamin Greene of Hill House, Lecarrow, part 1 | Byrne, M.Greene, Benjamin | Article in Journal | | 2004 |
| The Diocese of Ross | Webster, Charles A. | Monograph or Collective Volume | | 1924 |
| The disbandment of the Irish Regiments in 1922 | Burke, Tom | Article in Journal | | 2019 |
| The discourse of Nationalists in Northern Ireland 1921-91 | McKeever, Patrick Gerard | Thesis | | |
| The dissenting voice : Protestant democracy in Ulster from plantation to partition | Campbell, Flann | Monograph or Collective Volume | Blackstaff Press | 1991 |
| The dog in the night-time : the Freeman's Journal, the Irish Parliamentary Party and the empire, 1875-1919 | Larkin, Felix M. | Article in Book | | 2004 |
| The dog that didn't bark: Southern Unionism in pre- and post-revolutionary Ireland | Ó Beacháin, Donnacha | Article in Journal | | 2015 |
| The Dominion of Ireland : the Anglo-Irish Treaty in an imperial context | Knirck, Jason K., 1971- | Article in Journal | | 2007 |
| The donor of the Book of Kells | O'Sullivan, William, 1921-2000 | Article in Journal | | 1958 |
| The dynamics of insurrection, the war of independence revisited | Hogan, Desmond | Article in Journal | | 1998 |
| The Earl and Silverstream : Prize horses | Devlin, Audrey Poynton | Article in Journal | | 2005 |
| The Earl of Bandon and the burning of Castle Bernard, 1921 | Morrissey, Conor J. | Article in Journal | | 2011 |
| The Earl of Kildare's manor of Geashill, in the King's County ; with notes on Killeigh, in the parish of Geashill | Fitzgerald, Walter, Lord | Article in Journal | | 1921 |
| The earldom of Ulster | Orpen, G. H. (Goddard Henry) | Article in Journal | | 1921 |
| The Earliest Irish Zoologist | Scharff, R.F. | Article in Journal | | 1921 |
| The early years of the college, 1875-1921 | King, Carla | Article in Book | | 2006 |
| The economic history of Ireland from the Union to the famine | O'Brien, George, 1892-1973 | Monograph or Collective Volume | | 1921 |
| The eighteenth century rebinding of manuscripts | O'Sullivan, William, 1921-2000 | Article in Journal | | 1970 |
| The Ellis Quarry killings, 10 July 1921. What was the context of one of the most controversial incidents of the War of Independence | Ó Ruairc, Pádraig Óg | Article in Journal | | 2016 |
| The end of Parnellism and the ideological dilemmas of Sinn Féin | Kelly, Matthew | Article in Book | | 2004 |
| The English Delilah : Katharine O'Shea and Irish politics, 1880-1891 | Jordan, Jane | Article in Book | | 2006 |
| The evolving status of elementary teachers in Ireland (1831-1921) : from ‘feckless and impoverished’ to ‘respectable’ | Walsh, Thomas | Article in Journal | | 2022 |
| The evolving status of elementary teachers in Ireland (1831–1921) : from ‘feckless and impoverished’ to ‘respectable’ | Walsh, Thomas | Article in Journal | | 2022 |
| The experiences of a Sinn Féin priest : Fr. Pat Gaynor and self-government in Clare, 1919-1921 | Clancy, Carmel | Article in Journal | | 2007 |
| The factory of grievances : devolved government in Northern Ireland, 1921-39 | Buckland, Patrick | Monograph or Collective Volume | Gill & Macmillan|Barnes & Noble | 1979 |
| The family of Saunders of Saunders' Grove, County Wicklow | Sadlier, Thomas U. | Article in Journal | | 1921 |
| The fight at Burgatia House | O'Callaghan, Con | Article in Journal | | 2007 |
| The fight to save Seán Allen | Bourke, Marcus | Article in Journal | | 2001 |
| The first Dáil and its constitutional documents | Farrell, Brian | Article in Book | | 1994 |
| The first Dáil Éireann | Murphy, Brian | Article in Journal | | 1994 |
| The First Government of Northern Ireland, Education Reform and the Failure of Anti-populist Unionism, 1921-1925 | Fleming, Neil C. | Article in Journal | | 2007 |
| The first Irish Race Congress in South America | Barry, Carolina | Article in Journal | | 2004 |
| The first man on the hill: The life and times of Rev. Patrick O'Connell (1850-1923) | O'Brien, Hugh B. | Article in Journal | | 2012 |
| The flying column - West Kilkenny 1916-21 | Maher, Jim | Monograph or Collective Volume | Geography Publications | 1987 |
| The forgotten scholar : an exhibition of the papers of John Freeman Knott, 1853-1921 | Lyons, J. B. (John Benignus)O'Doherty, M. | Monograph or Collective Volume | Royal College of Surgeons of Ireland | 1990 |
| The formulation of Irish foreign policy, 1921-65 | Keatinge, Neil Patrick | Thesis | | 1968 |
| The foundations of modern Ireland : select extracts from sources illustrating English rule and social and economic conditions in Ireland in the sixteenth and early seventeenth century, 1 : The civil policy of Henry VIII and the Reformation | Maxwell, C. E. | Monograph or Collective Volume | | 1921 |
| The foundations of statehood | Coakley, John | Article in Book | | 2005 |
| The four glorious years, 1918-1921 | Gallagher, Frank, 1893-1962 | Monograph or Collective Volume | Blackwater Press | 2005 |
| The GAA and the War of Independence | Coogan, Tim Pat | Monograph or Collective Volume | Head of Zeus | 2018 |
| The Galway Art Gallery collection and Roger Fry’s The Pond (1921) | Byrne, Anne | Article in Journal | | 2016 |
| The generation that lost : the Ulster Bank, Ardara, County Donegal, 16 June 1921, and long after, and far away | Mac Suibhne, Breandán | Article in Book | | 2022 |
| The genesis of the Dáil courts | Casey, J. P. | Article in Journal | | 1974 |
| The geography of Irish nationalism 1910-1921 | Fitzpatrick, David | Article in Book | | 1987 |
| The geography of Irish nationalism, 1910-1921 | Fitzpatrick, David | Article in Journal | | 1978 |
| The geography of revolution - the case of County Longford, 1917-1921 | Coleman, Marie | Article in Journal | | 2013 |
| The government and politics of Ireland | Chubb, Basil | Monograph or Collective Volume | Longman | 1992 |
| The government of Northern Ireland : public finance and public services, 1921-1964 | Lawrence, Roderick J. | Monograph or Collective Volume | Clarendon Press | 1965 |
| The Grand Canal | Phillips, Henry | Article in Journal | | 1921 |
| The great withdrawal | Buttimer, John | Article in Journal | | 1979 |
| The Grubbs - a Tipperary Quaker family | Ahern, Michael | Article in Journal | | 2000 |
| The guerrilla infrastructure: I.R.A. Special Services in the Cork Number One Brigade, 1917-1921 | Borgonovo, John | Article in Journal | | 2010 |
| The Hares of Convamore, Ballyhooly | Myers, Kevin | Article in Journal | | 2006 |
| The Hegarty's of the Laurels : a story of unsung heroism | Hegarty, Jim | Monograph or Collective Volume | Lettertec | 2022 |
| The Hill Architects and Queen's College/University College Cork | Ó Riain-Raedel, Dagmar | Article in Journal | | 2020 |
| The Historical Manuscripts Commission and the Franciscan manuscripts | Gillespie, Raymond | Article in Journal | | 2007 |
| The historiography of the conflict in Northern Ireland and the reception of Andrew Boyd's 'Holy war in Belfast' (1969) | Lambkin, Brian | Article in Journal | | 2014 |
| The history of Enniskillen : with references to some manors in County Fermanagh and other local subjects | Trimble, W. C. | Monograph or Collective Volume | [s.n.] | 1921 |
| The history of the 5th (Royal Irish) Regiment of Dragoons from 1689 to 1799; afterwards the 5th Irish Lancers from 1858 to 1921. Completed to 1921 by Lieut.-Colonel H.A. Cape | Harvey, J. R. | Monograph or Collective Volume | | 1923 |
| The history of the descendants of Ir | Dobbs, M. E. (Margaret E.), 1871-1962 | Article in Journal | | 1921 |
| The history of The Times. Vol. 4, The 150th anniversary and beyond, 1912-48. Pt. 1, 1912-20. Pt. 2, 1921-48, appendices and index. | Anonymous | Monograph or Collective Volume | | 1952 |
| The home | Corless, Catherine | Article in Journal | | 2012 |
| The homefront as battlefront : women, violence and the domestic space during war in Ireland, 1919-1921 | McAuliffe, Mary | Article in Book | | 2020 |
| The House of Lords and Ireland in the age of Peel, 1832-50 | Large, David | Article in Journal | | 1955 |
| The Howth gun-running and the Kilcoole gun-running, 1914 : recollections & documents | | Monograph or Collective Volume | Merrion | 2014 |
| The I.R.B. from the treaty to 1924 | Ranelagh, John O'Beirne | Article in Journal | | 1976 |
| The informers : a chilling account of the supergrasses in Northern Ireland | Boyd, Andrew, 1921- | Monograph or Collective Volume | Mercier Press | 1984 |
| The involvement of the Catholic Clergy with the Republican struggle in Carlow from 1913-21 | Joyce, Tom | Article in Journal | | 2016 |
| The IRA in Kerry, 1916-1921 | Joy, Sinéad | Monograph or Collective Volume | Collins Press | 2005 |
| The Irish 'nation' and the challenge of ethical commemoration | O'Halpin, Eunan | Article in Book | | 2023 |
| The Irish 'remnaunt' of John Bale's manuscripts | O'Sullivan, William, 1921-2000 | Article in Book | | 1995 |
| The Irish Bishops’ Pastoral Letter, 10 October 1922 | Doherty, Gabriel | Article in Book | Cork University Press | 2024 |
| The Irish book, 1876-1923 | Ó Conchubhair, Brian | Article in Book | | 2025 |
| The Irish Bulletin | McKenna, Kathleen | Article in Journal | | 1970 |
| The Irish Citizen Army | Matthews, Ann | Monograph or Collective Volume | Mercier | 2014 |
| The Irish Citizen, 1912-1921 : for men and women equally the rights of citizenship, from men and women equally the duties of citizenship | Anonymous | Monograph or Collective Volume | [s.n.] | # |
| The Irish Civil War in Provincial Ireland: Landscapes, communities and localised conflict | Borgonovo, John | Article in Book | Cork University Press | 2024 |
| The Irish Civil War: Family life, gender and loss | Earner-Byrne, Lindsey | Article in Book | Cork University Press | 2024 |
| The Irish Civil War: some reflections and questions | McCarthy, Pat | Article in Journal | | 2015 |
| The Irish college casts a shadow | Nolan, Patrick | Article in Journal | | 2001 |
| The Irish counter-revolution 1921-1936 : treatyite politics and settlement in independent Ireland | Regan, John M., 1967- | Monograph or Collective Volume | Gill & Macmillan | 1999 |
| The Irish edition of the "Methodist Magazine" | Bradshaw, D. B. (David Bigham) | Article in Journal | | 1921 |
| The Irish element in Newark, N. J. | Mahony, W. H. | Article in Journal | | 1922 |
| The Irish Free State and the Evolution of the Commonwealth, 1921-49 | Martin, Gerald Warren | Article in Book | NA | 1975 |
| The Irish Free State passport and the question of citizenship, 1921-4 | O'Grady, J. P. | Article in Journal | | 1989 |
| The Irish Free State's first diplomats : jealousy, anti-semitism and revenge | Kelly, Darren | Article in Journal | | 2016 |
| The Irish in Australia and New Zealand, 1870-1990 | O'Farrell, Patrick James | Article in Book | | 1996 |
| The Irish in Britain, 1780-1921 | Collins, Brenda | Article in Book | | 1993 |
| The Irish in Britain, 1871-1921 | Fitzpatrick, David | Article in Book | | 1996 |
| The Irish in Coventry : the social geography of a relict community | King, RussellShuttleworth, IanStrachan, Alan J. | Article in Journal | | 1989 |
| The Irish in Manchester, c. 1750 - 1921: reistance, adaptation and identity | Busteed, Mervyn A. | Monograph or Collective Volume | Manchester University | 2015 |
| The Irish in Punjab, 1881-1921 | O'Leary, Patrick | Thesis | | 2008 |
| The Irish in the 1921 census of England and Wales | Fitzsimons, Fiona | Article in Journal | | 2022 |
| The Irish Independent and empire, 1891-1919 | Maume, Patrick | Article in Book | | 2004 |
| The Irish Independent and the Ulster crisis 1912-21 | Maume, Patrick | Article in Book | | 2006 |
| The Irish insurgency 1918-21 : the military problem | Townshend, Charles | Article in Book | | 1979 |
| The Irish land question, the international monetary problem, and Archbishop William Walsh, 1881–1896 | Doyle, Patrick | Article in Journal | | 2023 |
| The Irish manuscripts in Case H in Trinity College, Dublin, catalogued by Matthew Young in 1781 | O'Sullivan, William, 1921-2000 | Article in Journal | | 1976 |
| The Irish meet the Welsh wizard : Character, narrative and political rationality in the formation of the Irish Free State | Meadwell, Hudson | Article in Journal | | 2016 |
| The Irish meet the Welsh wizard : character, narrative, and political rationality in the formation of the Irish Free State | Meadwell, Hudson | Article in Journal | | 2016 |
| The Irish parliamentary tradition : With three essays on the Treaty debate by F.S.L. Lyons | Lyons, F. S. L. (Francis Stewart Leland) | Monograph or Collective Volume | Gill & Macmillan|Barnes & Noble Books | 1973 |
| The Irish police : a legal and constitutional perspective | Walsh, Dermot P. J. | Monograph or Collective Volume | Round Hall, Sweet & Maxwell | 1998 |
| The Irish Question 1840-1921 | Mansergh, Nicholas, 1910-1991 | Monograph or Collective Volume | Allen & Unwin | 1965 |
| The Irish question, 1840-1921 : A commentary on Anglo-Irish relations and on social and political forces in Ireland in the age of reform and revolution. | Mansergh, Nicholas, 1910-1991 | Monograph or Collective Volume | | 1965 |
| The Irish question, 1840-1921 : a commentary on Anglo-Irish relations and on social and political forces in Ireland in the age of reform and revolution. | Mansergh, Nicholas, 1910-1991 | Monograph or Collective Volume | Allen & Unwin | 1975 |
| The Irish rebellion in the 6th Divisional area. From after the 1916 Rebellion to December 1921.An account compiled in 1922 by the general staff, 6th Division. Printed from Sir Peter Strickland's typescript copy in the Imperial War Museum; with introduction and notes by Patrick McCarthy. | | Article in Journal | | 2010 |
| The Irish representatives to the London Anglo-Irish conference in 1921 : violators of their authority or victims of contradictory instructions? | Costello, Francis J. | Article in Journal | | 1989 |
| The Irish republic | De Valera, EamonMacArdle, Dorothy | Monograph or Collective Volume | Gollancz | 1937 |
| The Irish revolution and how it came about | O'Brien, William | Monograph or Collective Volume | Maunsel and Roberts | 1923 |
| The Irish Revolution and world history: Nation, race, and civilization in the rhetoric of the Irish revolutionary generation | Knirck, Jason | Article in Journal | | 2017 |
| The Irish Revolution, 1919-21 : a global history | | Monograph or Collective Volume | History Ireland | 2019 |
| The Irish silver coinages of Edward IV | Symonds, Henry | Article in Journal | | 1921 |
| The Irish soccer split | Moore, Cormac | Article in Journal | | 2015 |
| The Irish underground and the war of independence, 1919-1921 | Bowden, Tom | Article in Book | | 1975 |
| The Irish underground and the war of independence, 1919-21 | Bowden, Tom | Article in Journal | | 1973 |
| The Irish uprising : 1914-1921, papers from the British parliamentary archive | Coates, Tim | Monograph or Collective Volume | The Stationery Office | 2000 |
| The Irish volunteers : a Machiavellian moment? | Kelly, Matthew | Article in Book | | 2006 |
| The Irish Volunteers and Waterford, Part III, 1920-1921 : The East Waterford brigade | McCarthy, Pat | Article in Journal | | 2006 |
| The Irish-American press and the South African war | Ní Bhroiméil, Úna | Article in Book | | 2004 |
| The Joyce-Beach connection | Pinsker, Sanford | Article in Journal | | 1989 |
| The judges in Ireland, 1221-1921. 2 vols. | Ball, F. E. | Monograph or Collective Volume | | 1927 |
| The Kennedy O'Dempsey tragedy | Joyce, John | Article in Journal | | 1998 |
| The killing of Methodist farmer, John Harrison, Drumreilly, Ballinamore, in the War of Independence | Mc Niffe, Liam | Article in Journal | | 2021 |
| The killing of Michael O'Callaghan | Kemmy, Jim | Article in Book | | 2006 |
| The killing of Sir Arthur Vicars, April 1921, an exceptional case | Joy, Conor | Article in Journal | | 2016 |
| The Kilmichael ambush and the outer limits of Irish historical revisionism | Regan, John | Article in Journal | | 2020 |
| The Kings of King House : the story of the descendants of Sir John King of Boyle and their estates at Mitchelstown, Rockingham and Newcastle | King-Harman, Anthony Lawrence | Monograph or Collective Volume | Anthony Lawrence King-Harman | 1996 |
| The labour movement in Kerry and Limerick, 1914-21 | Crean, Thomas | Thesis | | 1996 |
| The Land Registry and the ghost of 'Southern Ireland'. An insignificant document from 1921 minutely pinpoints a turning-point in the revolutionary era | Bowmer, Tim | Article in Journal | | 2022 |
| The land war and the politics of distress, 1877-82 | Comerford, R.V. (Richard Vincent) | Article in Book | | 1996 |
| The landed elite, power and Ulster Unionism | Fleming, Neil C. | Article in Book | | 2006 |
| The largest amount of good : Quaker relief in Ireland, 1654-1921 | Hatton, Helen E. | Monograph or Collective Volume | McGill-Queen's University Press | 1993 |
| The last land war? Kevin O'Shiel's memoir of the Irish revolution (1916-21) | Campbell, Fergus | Article in Journal | | 2003 |
| The lasting legacy of the last viceroy | Beattie, Seán | Article in Journal | | 2021 |
| The Leader, the Irish Press and the 1953-4 libel action over Professor T.D. Williams' 'A study in neutrality': 'the bloody borderland of contemporary history' | Kennedy, Michael (Michael J.) | Article in Book | NA | 2021 |
| The Left in Northern Ireland 1921-1932 | Norton, Christopher | Article in Journal | | 1995 |
| The legacy of Arthur Balfour to twentieth-century Ireland | Shannon, Catherine B. | Article in Book | | 1994 |
| The Leinster Regiment and the Malabar rebellion of 1921 - 'Another Irish question' | Dunne, Terry | Article in Journal | | 2021 |
| The Liam McCarthy cup | McCann, OwenÓ Ceallacháín, Séan Óg, | Monograph or Collective Volume | Gill & Macmillan | 2009 |
| The life and death of a volunteer Captain John Vaughan 1893-1921 | Vaughan, Mairéad | Article in Journal | | 1990 |
| The life and death of Michael Collins | Neeson, Eoin | Monograph or Collective Volume | Mercier Press | 1968 |
| The life and death of Thomas Shannon | Cahill, Shane | Article in Journal | | 2017 |
| The life and times of R.R. Madden | Boyd, Andrew, 1921- | Article in Journal | | 2005 |
| The life and tragic death of Winnie Barrington : the story of the Barrington family of Glenstal Castle, County Limerick c.1800-1925 | Murphy, Brian P. | Monograph or Collective Volume | Papver Editions | 2018 |
| The long road of life. Jack Cahill's memoirs written in the late thirties. | Cahill, Jack | Article in Journal | | 2011 |
| The love story of Parnell and Katherine O'Shea | Brady, Margaret | Monograph or Collective Volume | Mercier Press | 1991 |
| The Mac Evilly Memorial Cup, 1922 | Mac Evilly, Myles | Article in Journal | | 2021 |
| The making of Ireland : agendas and perspectives in cultural geography | Smyth, W. J. (William John), 1944- | Article in Book | | 1993 |
| The man from Largy: James Mooney, Native American scholar and the Meath connection | Ó Siadhail, Pádraig | Article in Journal | | 2012 |
| The manuscript collection of Dubhaltach Mac Fhirbhisigh | O'Sullivan, William, 1921-2000 | Article in Book | | 2000 |
| The mass media in twentieth century Ireland | Cathcart, RexMuldoon, Michael, Fr., fl. 1840 | Article in Book | | 2003 |
| The meaning of Irish freedom : constitutionalism in the Free State | Townshend, Charles | Article in Journal | | 1998 |
| The medical mythology of Ireland | Mooney, James, 1861-1921 | Article in Journal | | 1887 |
| The Men and Women of the Anglo-Irish Treaty Delegations 1921 | | Monograph or Collective Volume | Laurelmount Press | 2021 |
| The Men of the West: West Mayo Brigade War of Independence 1919-1921 | | Monograph or Collective Volume | Westport Historical Society | 2021 |
| The Military History Bureau - a list of Tipperary names | Anonymous | Article in Journal | | 2001 |
| The modern Irish drama. V 6 : the years of O'Casey, 1921-1926 | Hogan, Robert | Monograph or Collective Volume | Dolmen Press | 1984 |
| The Modreeney ambush | Whyte, Edward | Article in Journal | | 1996 |
| The Moloney family from Tipperary town: their part in the War of Independence | Hogan, Con | Monograph or Collective Volume | The Author | 2018 |
| The murder of Maurice Christopher Aherne, 5th October 1921 | Gabriel, Brian | Article in Journal | | 2013 |
| The murder of Patrick Howard: A case study of police crime in the War of Independence | Leeson, D.M. | Article in Journal | | 2012 |
| The murder of Thomas Hodgett, postmaster in Navan 1917-1921 | McCarthy, Liam | Article in Journal | | 2011 |
| The Mutiny or freedom fight : the 1857 Indian Insurrection and the Irish press | Bender, Jill C. | Article in Book | | 2004 |
| The names of the baronies and parishes in County Kildare | Hamilton, Gustavus Everard | Article in Journal | | 1921 |
| The national movement, 1916-1921 period as it related to areas south of Westport : Drummin, Carrowkennedy, Liscarney, Lankhill, Cordarragh | Joyce, John | Article in Journal | | 1990 |
| The national question, land, and 'revisionism' | Bew, Paul | Article in Book | | 1996 |
| The National Struggle 1913-1921 : a pictorial record, Part 10 : the end of the beginning | Lyons, Michael | Article in Journal | | 2000 |
| The national struggle 1913-1921 : a pictorial record, part 9 : after Crossbarry | Lyons, Michael | Article in Journal | | 1999 |
| The national struggle, 1913-1921 : a pictorial record. Part 4 : Bandon, 1920 | Lyons, Michael | Article in Journal | | 1993 |
| The national struggle, 1913-1921, a pictorial record : Part 6. After Kilmichael | Lyons, Michael | Article in Journal | | 1996 |
| The National University of Ireland, 1908-2008 : centenary essays | | Monograph or Collective Volume | University College Dublin Press, on behalf of the National University of Ireland | 2008 |
| The nature and effects of protective policy in Ireland from 1921 | Ryan, W.J.L. | Thesis | | 1949 |
| The new nationalism, 1916-18 | Lyons, F. S. L. (Francis Stewart Leland) | Article in Book | | 1996 |
| The New York Irish, their view of American foreign policy, 1914-1921 | Buckley, John Patrick | Monograph or Collective Volume | Arno P. | 1976 |
| The New Zealand Labour Party's "Irish Campaign", 1916-1921 | Davis, Richard P. | Article in Journal | | 1967 |
| The Newry Brigade and the War of Independence in Armagh and South Down, 1919-1921 | Lewis, Matthew | Article in Journal | | 2010 |
| The night the Tans came | Moran, Anthony | Article in Journal | | 1998 |
| The North : a conundrum of identity | Bennett, Jack | Article in Book | | 1998 |
| The North erupts, and Ireland enters Europe, 1968-72 | Whyte, J. H. | Article in Book | | 2003 |
| The Norwegian scholars I knew | Ó Murchú, Máirtín | Article in Journal | | 2010 |
| The O'More family of Balyna in the County Kildare, by James More of Balyna, circa 1774 | Fitzgerald, Walter, LordO'Leary, Edward | Article in Journal | | 1921 |
| The operations of the South Tipperary IRA, 1916-1921 | Augusteijn, Joost | Article in Journal | | 1996 |
| The Orange Order, 1795-1995 | Boyd, Andrew, 1921- | Article in Journal | | 1995 |
| The organiser of victory, Sir James Craig, 1871-1921 | Carson, Douglas | Article in Journal | | 1960 |
| The Oxford companion to Irish history | | Monograph or Collective Volume | Oxford University Press | 1998 |
| The Oxford handbook of the Atlantic world, 1450-1850 | | Monograph or Collective Volume | Oxford University Press | 2011 |
| The palaeological background to the Book of Kells | O'Sullivan, William, 1921-2000 | Article in Book | | 1994 |
| The paper wall : newspapers and propaganda in Ireland 1919 - 1921 | Kenneally, Ian | Monograph or Collective Volume | Collins | 2008 |
| The parish of Agheraderg | Anonymous | Article in Journal | | 1980 |
| The Parnell Bridge Ambush | Mulvany, Caoimh | Article in Journal | | 2020 |
| The Parnell era, 1883-91 | Comerford, R.V. (Richard Vincent) | Article in Book | | 1996 |
| The party system | Mair, PeterWeeks, L. C. | Article in Book | | 2005 |
| The Patrick Moran story | Moran, May | Article in Journal | | 2011 |
| The pedigree and succession of the house of Mac Carthy Mór, with a map | Butler, W. F. T. (William Francis Thomas), 1869-1930 | Article in Journal | | 1921 |
| The people called Methodists :- from the Irish Free State to the Irish Republic | Cooney, Dudley Levistone | Article in Journal | | 2015 |
| The Pious Miscellany (1802) of Tadhg Gaelach Ó Súilleabháin (c.1715-c.1795) | Titley, Alan | Article in Book | | 2025 |
| The Plaque in Listowel Garda station | Gaughan, J. Anthony, 1932- | Article in Journal | | 2009 |
| The police war in Cavan, 1919-1921 | Smith, John | Article in Journal | | 2020 |
| The political background from Parnell to partition 1890-1921 | Phoenix, Eamon | Article in Book | | 1995 |
| The political economy of the Ulster crisis : historiography, social capability and globalisation | Brownlow, Graham | Article in Book | | 2006 |
| The political system, voting patterns and voting behaviour in Northern Ireland, 1921-1974 | Osborne, Robert D. | Thesis | | |
| The politics and relationships of Kathleen Lynn | Mulholland, Marie | Monograph or Collective Volume | Woodfield | 2002 |
| The politics of antagonism : understanding Northern Ireland | McGarry, JohnO'Leary, Brendan | Monograph or Collective Volume | Athlone Press | 1993 |
| The politics of culture and sport in Ireland : a history of the G.A.A. ban on foreign games 1884-1971. Part One : 1884-1921 | Rouse, Paul | Article in Journal | | 1993 |
| The politics of the Treaty split and Civil War | Kissane, Bill | Article in Book | | 2017 |
| The Poor Clares in Ireland | Flood, W[illiam] H[enry] Grattan | Article in Journal | | 1921 |
| The Postal Strike, 1922 | Ó Drisceoil, Donal | Article in Book | Cork University Press | 2024 |
| The press | Inglis, Brian | Article in Book | | 1957 |
| The Prison Autograph Book of Seán Sharkey | Crowley, John | Article in Book | Cork University Press | 2024 |
| The prison diary of Tom Ryan - War of Independence internee | Ryan, Tom | Article in Journal | | 2001 |
| The private rented sectors in Northern Ireland and the Republic of Ireland : a case study in convergence analysis | Gray, PaddyHayes, AideenJordan, BobMcAnulty, UrsulaO'Malley, Chris | Article in Journal | | 2010 |
| The projection of Northen Ireland to Great Britain and abroad, 1921-39 | McDougall, Sean | Article in Book | | 1996 |
| The proprietors of the Manor of Monasterevin in the sixteenth century | Fitzgerald, Walter, Lord | Article in Journal | | 1921 |
| The prose literature of the Gaelic revival 1881-1921 : ideology and innovation | O'Leary, Philip | Monograph or Collective Volume | Pennsylvania State University Press | 1994 |
| The Protestant churches and the origins of the Northern Ireland state [1885-1921] | McConnell, David | Thesis | | 1998 |
| The protestant inheritance and the new Ireland | Gwynn, E.J. (Edward John) | Article in Book | | 2016 |
| The Puritans in Ireland, 1647-1661 | Seymour, St. John D. | Monograph or Collective Volume | | 1921 |
| The Queensland Irish Association, 1898-1928: heroes and memorials | Sullivan, RobinSullivan, Rodney | Article in Journal | | 2015 |
| The quiet before the guns come out | Rose, Richard | Article in Book | | 2022 |
| The raid on the Fastnet lighthouse | Lannin, Frank | Article in Journal | | 1999 |
| The Rathkeale workhouse incident, November 1921 | Kinsella, A. | Article in Journal | | 1992 |
| The reality of the Anglo-Irish war, 1920-21 in west Cork : Refutations, corrections and comments on Liam Deasy's 'Towards Ireland Free' | Barry, Thomas Bernardine, 1897-1980 | Monograph or Collective Volume | Anvil | 1974 |
| The rebel priests of Mullagh - Fr Pat Gaynor, Fr Michael McKenna and the War of Independence | Hensey, Aine | Article in Journal | | 2021 |
| The reception of Joseph Beuys within the United Kingdom, Ireland and the United States, 1970-1979 | Galliver, Tara S. | Thesis | | 2005 |
| The record of the first Dáil debates | O'Brien, Gerard | Article in Journal | | 1993 |
| The red hand and the Kiwi | Hopkins, Gregg | Article in Journal | | 1986 |
| The remaking of Irish-America, 1845-80 | Doyle, David Noel | Article in Book | | 1996 |
| The Republic of Ireland international football facts | Hayes, Dean | Monograph or Collective Volume | Collins Press | 2008 |
| The Republican courts and the decline of British rule in Ireland, 1919-1921 | Costello, Francis J. | Article in Journal | | 1990 |
| The republican courts in Tuam | O'Neill, Marie | Article in Book | | 1997 |
| The republicanisation of Irish society, 1932-48 | Girvin, Brian | Article in Book | | 2003 |
| The Restless Dominion : The Irish Free State and the British Commonwealth of Nations, 1921-31 | Harkness, D. W. | Monograph or Collective Volume | Gill & Macmillan | 1969 |
| The revolution in train, 1914-16 | Lyons, F. S. L. (Francis Stewart Leland) | Article in Book | | 1996 |
| The Richardsons of Bessbrook : Ulster Quakers in the linen industry (1845-1921) | Harrison, Richard S. | Monograph or Collective Volume | Original Writing | 2008 |
| The riddle of Erskine Childers | Boyd, Andrew, 1921- | Monograph or Collective Volume | [s.n.] | 1977 |
| The rise and fall of the Celtic ineligible : competitive examinations for the Irish and Indian civil services in relation to the educational and occupational structure of Ireland 1853-1921 | Flanagan, K. | Thesis | | |
| The rise of the Irish trade unions | Boyd, Andrew, 1921- | Monograph or Collective Volume | Anvil Books | 1985 |
| The rise of the Irish trade unions, 1729-1970 | Boyd, Andrew, 1921- | Monograph or Collective Volume | Anvil | 1972 |
| The Rising and after | Lyons, F. S. L. (Francis Stewart Leland) | Article in Book | | 1996 |
| The road to Béal na mBláth | Reilly, R. | Article in Journal | | 1970 |
| The road to Crossbarry : the decisive battle of the war of independence | Begley, Diarmuid | Monograph or Collective Volume | Deso Publications | 1999 |
| The role of propaganda in the Anglo-Irish war, 1919-1921 | Costello, Francis J. | Article in Journal | | 1989 |
| The role of the Irish boundary commission in the entrenchment of the Irish border : from tactical panacea to political liability | Rankin, K. J. | Article in Journal | | 2008 |
| The role of the Irish language summer college in revolutionary Ireland, 1913-1921 | McCafferty, Máire | Article in Journal | | 2025 |
| The Roman Catholic Church and the Irish Civil War | Murray, Patrick | Article in Journal | | 2015 |
| The Roman Catholic church in Ireland and the fall of Parnell | Larkin, Emmet | Monograph or Collective Volume | University of North Carolina Press | 1979 |
| The Roman Catholic church in Ireland and the fall of Parnell | Larkin, Emmet | Monograph or Collective Volume | Liverpool University Press | 1979 |
| The Routledge history of Irish America | | Monograph or Collective Volume | Routledge | 2024 |
| The Royal Air Force in west Mayo 1918-21 | Mac Evilly, Myles | Article in Journal | | 2022 |
| The Royal British Legion and Dun Laoghaire | Weafer, John | Article in Journal | | 2016 |
| The Royal Irish Constabulary : a history and personal memoir | Fennell, RosemaryFennell, Thomas | Monograph or Collective Volume | University College Dublin | 2003 |
| The Royal Irish Constabulary index 1882-1921 | Close, BillGumley, V.Reakes, J. | Monograph or Collective Volume | W & F Pascoe | 1992 |
| The Royal Irish Constabulary, Black and Tans and Auxiliaries | Leeson, David | Article in Book | | 2017 |
| The Royal Navy in the War of Independence | Brunciardi, Daire | Article in Journal | | 2020 |
| The Royal visit to Belfast June 1921 | McIntosh, Gillian | Article in Book | | 2006 |
| The rules of the electoral game | Sinnott, Richard | Article in Book | | 2005 |
| The sailor in the wardrobe | Hamilton, Hugo | Monograph or Collective Volume | Fourth Estate | 2006 |
| The scalpel and the ledger : finance, medicine and the making of a professional life in Ireland, India and Britain, 1888-1921 | Fitzpatrick, Kieran ; Cassidy, Daniel | Article in Journal | | 2024 |
| The Schull peninsula in the war of independence | Deasy, Liam | Article in Journal | | 1966 |
| The See lands of Kildare | Devitt, Matthew | Article in Journal | | 1921 |
| The Shackleton letters, 1726-1753 | Young, Margaret F. | Article in Journal | | 1921 |
| The Shamrock and the Lily : the New York Irish and the creation of a transatlantic identity, 1845-1921 | Kelly, Mary C. | Monograph or Collective Volume | Peter Lang | 2005 |
| The shaping of modern Ireland | | Monograph or Collective Volume | Routledge & Kegan Paul | 1960 |
| The significance of the first Dáil | Lee, J.J. (John Joseph), 1942- | Article in Book | | 1994 |
| The Sinn Féin millionaire : James O'Mara and the first American bond-certificate drive, 1919-1921 | Kelly, Stephen | Article in Journal | | 2011 |
| The Sinn Féin party, 1916-1921 | Laffan, Michael | Article in Journal | | 1970 |
| The Slane manuscript of the Annals of the Four Masters | O'Sullivan, William, 1921-2000 | Article in Journal | | 1999 |
| The so-called 'Cairo' and 'Igoe' Gangs | Bourke, Edward | Article in Journal | | 2022 |
| The social basis of the Civil-war divide | Foster, Gavin | Article in Book | NA | 2017 |
| The Society for the Preservation of the Irish language, 1876-1942 | Ó Murchú, Máirtín | Article in Book | | 2025 |
| The souls of poor folk | Irvine, Alexander | Monograph or Collective Volume | Appletree Press | 1981 |
| The South African war, empire and the 'Irish World' 1899-1902 | Ní Bhroiméil, Úna | Article in Book | | 2004 |
| The split : from Treaty to Civil War, 1921-23 | NA | Monograph or Collective Volume | Wordwell Books | 2022 |
| The Split: From Truce to Treaty to Civil War (1921-1923) | Higgins, Michael D. | Article in Book | | 2023 |
| The state and the citizen : unionists, Home Rule, Ulster and the British constitution, 1886-1920 | Boyce, David George, 1942- | Article in Book | | 2006 |
| The state in Northern Ireland 1921-72 | Bew, PaulGibbon, PeterPatterson, Henry | Monograph or Collective Volume | Manchester University Press | 1979 |
| The stealing of the Irish crown jewels : an unsolved crime | Dungan, Myles | Monograph or Collective Volume | Town House | 2003 |
| The Stormont administration | Oliver, John | Article in Book | | 1991 |
| The story of Leitrim, 1920-1921 | McCarthy, Veronica | Article in Journal | | 1970 |
| The story of the 7th : a concise history of the 7th Battalion, Cork No. 1 Brigade, Irish Republican Army from 1915 to 1921 | Browne, Charles Gordon | Monograph or Collective Volume | Schull Books | 2007 |
| The story of the Irish race : a popular history of Ireland. | MacManus, SeamusOthers | Monograph or Collective Volume | | 1944 |
| The story of the Irish race, a popular history of Ireland | McManus, SeamusOthers | Monograph or Collective Volume | Irish Publishing Company | 1921 |
| The story of the Irish Society. | Betts, John | Monograph or Collective Volume | The society | 1921 |
| The Strafford inquisition of County Mayo (R.I.A. Ms. 24 E 15) | | Monograph or Collective Volume | Irish Manuscripts Commission | 1958 |
| The strange death of loyalist Monaghan, 1912-1921 | Wilson, Tim | Article in Book | | 2016 |
| The structure of voter preferences : the 1921, 1925, 1973 and 1975 Northern Irish parliamentary elections | Dutter, Lee E. | Article in Journal | | 1982 |
| The stuccowork of Pat McAuliffe of Listowel | Lynch, Seán | Article in Journal | | 2005 |
| The T.D.s and senators for Laois and Offaly 1921-1986 | Meehan, Patrick F. | Monograph or Collective Volume | Leinster Express Newspapers | 1987 |
| The Tan War in Ballyovey | Lally, Micheál | Monograph or Collective Volume | Micheál Lally | 2008 |
| The Tan war, Ballyovey, South Mayo | Lally, Michael | Monograph or Collective Volume | The author | 2008 |
| The Templemore Miracles: Jimmy Walsh, Ceasefires and Moving Statues | Reynolds, John | Monograph or Collective Volume | The History Press | 2019 |
| The tenability of partition as a mode of conflict regulation : comparing Ireland with Palestine-land of Israel | Smooha, Sammy | Article in Book | | 2001 |
| The Third Tipperary Brigade (1921-1923). Part 1 - from truce to civil war | Colmcille, An tAthair | Article in Journal | | 1990 |
| The Third Tipperary Brigade (1921-23), part 2, from ambushes to executions | Colmcille, An tAthair | Article in Journal | | 1991 |
| The Third Tipperary Brigade - a photographic record | Sharkey, Neil | Article in Journal | | 1994 |
| The Third Tipperary Brigade : its guerilla campaign (1919-1921) | O'Dwyer, Kate | Article in Journal | | 1997 |
| The Thompson submachine gun in Ireland, 1921 | Bell, J. Bowyer | Article in Journal | | 1967 |
| The time of the Tans : an oral history of the War of Independence in County Clare | Mac Conmara, Tomás | Monograph or Collective Volume | Mercier Press | 2019 |
| The time of the trouble 1919-21 : Armagh, south Down and north Louth, part 1 | McMahon, Kevin | Article in Journal | | 1992 |
| The time of the trouble 1919-21 : Armagh, South Down and North Louth, part 3 | McMahon, Kevin | Article in Journal | | 1997 |
| The time of the Trouble 1919-21, Armagh, South Down and North Louth (Part 4) | McMahon, Kevin | Article in Journal | | 2006 |
| The time of the Trouble 1919-21. Armagh, south Down and north Louth. Part 2 | McMahon, Kevin | Article in Journal | | 1994 |
| The Tourmakeady ambush, May 1921 | Ó hÓgáin, Seán | Article in Journal | | 2002 |
| The tragedy of the "James Tyrrell" | Rees, Jim | Article in Journal | | 1984 |
| The Treaty - Victory or Defeat? | Hankey, Brian | Article in Journal | | 2021 |
| The Treaty 1921 : records from the archives | NA | Monograph or Collective Volume | Royal Irish Academy in partnership with the National Archives, Ireland | 2022 |
| The Treaty : debating and establishing the Irish State | | Monograph or Collective Volume | Irish Academic Press | 2018 |
| The Treaty and 'shoneenism rampant' | MacSwiney, Mary | Article in Book | Penguin Ireland | 2016 |
| The Treaty and the Irish Civil War : British perspectives | Jones, Heather | Article in Book | Cork University Press | 2024 |
| The treaty negotiations | Pakenham, Francis Aungier, 7th earl of Longford, 1905-2001 | Article in Book | | 1968 |
| The treaty ports | Buttimer, John | Article in Journal | | 1978 |
| The Treaty Ports and the Battle of the Atlantic, 1939-1945 | McCarthy, Patrick | Article in Journal | | 2011 |
| The treaty split and the Paris Irish Race Convention, 1922 | Keogh, Dermot | Article in Journal | | 1987 |
| The Tree of Liberty. Republicanism: American, French, and Irish | Pettit, Philip | Article in Journal | | 2005 |
| The truce | Snoddy, Oliver | Article in Journal | | 1971 |
| The Truce and preliminary negotiations between De Valera and Lloyd George | Connell, Joseph E.A. | Article in Journal | | 2021 |
| The Truce in the Cork 111 Brigade Area. Part 1-Part 2 | Desmond, John | Article in Journal | | 2023 |
| The two economies in Ireland in the twentieth century | Johnson, D. S. | Article in Book | | 2003 |
| The two Irish economies : dependencies compared | O'Hearn, Denis | Article in Book | | 1998 |
| The Ulster crisis : 1885-1921 | | Monograph or Collective Volume | Palgrave Macmillan | 2006 |
| The Ulster crisis : a conundrum | O'Day, Alan | Article in Book | | 2006 |
| The Ulster Volunteer Force 1910-1920 : new perspectives | Bowman, Timothy | Article in Book | | 2006 |
| The uncrowned king of Ireland : Charles Stewart Parnell : his love story and political life | Parnell, Katharine, 1845-1921 | Monograph or Collective Volume | Nonsuch | 2005 |
| The union and the economic future of Northern Ireland | McCarthy, Robert E. | Article in Book | | 1998 |
| The union of Ireland and Britain, 1801-1921 | Johnson, David S.Kennedd, Liam | Article in Book | | 1996 |
| The union of Ireland and Britain, 1801-1921 | Kennedy, Liam, 1946- | Article in Book | | 1996 |
| The Unionists | Aughey, Arthur | Article in Book | | 1994 |
| The United States and the Northern Ireland question | Guelke, Adrian | Article in Book | | 1994 |
| The University Press | O'Sullivan, William, 1921-2000 | Article in Journal | | 1958 |
| The very dogs in Belfast will bark in Irish : the Unionist government and the Irish language 1921-43 | Andrews, Liam | Article in Book | | 1997 |
| The visual arts and society, 1921-84 | Barrett, Cyril | Article in Book | | 2003 |
| The voice of the Gael : chief justice Kennedy and the emergence of the new Irish court system 1921-1936 | Keane, Ronan | Article in Journal | | 1996 |
| The Voice of the Provinces: The regional press in Revolutionary Ireland, 1914-1921 | Doughan, Christopher | Monograph or Collective Volume | Liverpool University Press | 2019 |
| The voices of Catholic women in Ireland, 1800-1921 | Clear, Caitriona | Article in Book | | 2013 |
| The war against the R.I.C., 1919-21 | Lowe, W. J. | Article in Journal | | 2002 |
| The war in Clare 1911-1921 | Brennan, Michael | Monograph or Collective Volume | Four Courts | 1980 |
| The War of Independence | Clarke, Sheila | Article in Journal | | 2021 |
| The war of independence : memories | McDonald, Dan | Article in Journal | | 1980 |
| The War of Independence in County Meath, 1916-1921 | Courtney, Ultan | Article in Book | | 2015 |
| The War of Independence in Galway, 1920-21 | McGowan, Brendan | Monograph or Collective Volume | Galway City Museum | 2021 |
| The war of independence in Limerick, 1912-1921 | Toomey, Thomas | Monograph or Collective Volume | Thomas Toomey | 2010 |
| The War of Independence, 1919-1921: recent publications | McCarthy, Patrick | Article in Journal | | 2010 |
| The war of independence, 1919-21 | Lyons, F. S. L. (Francis Stewart Leland) | Article in Book | | 1996 |
| The War of Independence: the fighting men of Donoughmore | Duggan, Eamonn | Article in Journal | | 2022 |
| The war that didn't happen : waiting for ambushes in the Irish war of independence | Ó Catháin, Martin Seán | Article in Journal | | 2022 |
| The watershed, 1903-7 | Lyons, F. S. L. (Francis Stewart Leland) | Article in Book | | 1996 |
| The Watt family and the distilling industry in Derry, 1762-1921 | Bielenberg, Andy | Article in Journal | | 1994 |
| The Weymouth School: Letters from Past Pupils, part II | McDermott, Larry | Article in Journal | | 2019 |
| The women who died for Ireland | Ó Ruairc, Pádraig Óg | Article in Journal | | 2018 |
| The world in Paris and Ireland too : The French diplomacy of Sinn Féin, 1919-1921 | Ranger, Pierre | Article in Journal | | 2011 |
| The Yank from Mourne Abbey. Part 4 | Byrne, Niall J. | Article in Journal | | 2006 |
| The year of disappearances : political killings in Cork, 1920-1921 | Murphy, Gerard | Monograph or Collective Volume | Gill & Macmillan | 2010 |
| The year of disappearances : political killings in Cork, 1921-1922 | Murphy, Gerard | Monograph or Collective Volume | Gill & Macmillan | 2011 |
| The years of ambushes and round ups | Lynch, Dennis | Article in Journal | | 1989 |
| The years of O'Casey, 1921-1926 : a documentary history | Burnham, RichardHogan, Robert | Monograph or Collective Volume | University of Delaware Press|Colin Smythe | 1992 |
| The York Street co-operative women's guild, 1913-21 | Heatley, Fred | Article in Journal | | 1988 |
| The ‘Sliabh na mBan’ Armoured Car | Murray, Niall | Article in Book | Cork University Press | 2024 |
| Theft of the Irish Crown Jewels from Dublin Castle July 1907 | Joyce, Brónach | Article in Journal | | 2000 |
| There is a bridge at Bandon | McDonnell, Kathleen Keyes | Monograph or Collective Volume | Mercier Press | 1972 |
| These troubled isles : Britain and Ireland, past and future (1921-2025) | Stephens, Philip | Monograph or Collective Volume | Faber & Faber | 2025 |
| They dared to challenge : the story of the troubles in the provincial town of Boyle which includes the old I.R.A., R.I.C. and the British Army | Feely, Barry, 1940- | Monograph or Collective Volume | Barry Feely | 2016 |
| They put the flag a-flyin : the Roscommon volunteers, 1916-1923 | Thorne, Kathleen Hegarty | Monograph or Collective Volume | Generation Organization | 2005 |
| Third Tipperary Brigade, Number Two, Flying Column, January to June 1921 | Patterson, Tony | Article in Journal | | 2006 |
| This is the white man's day : the Irish, white radical identity, and the 1866 Memphis riots | Walker, Barrington | Article in Journal | | 1997 |
| Thomas Fitzgerald, the Irish National Association of Queensland and Australian national security, 1916-1921 | Ainsworth, John | Article in Journal | | 2005 |
| Thomas Traynor 1882-1921 | McQuinn, Christopher P. | Article in Journal | | 2013 |
| Three notes on Laud Misc. 610 (or the Book of Pottlerath) | O'Sullivan, AnneO'Sullivan, William, 1921-2000 | Article in Journal | | 1971 |
| Thrills, spills and chick-lit | Fenton, Laurence
| Article in Journal | | 2016 |
| To the declaration of the Republic and the Ireland Act, 1945-9 | Whyte, J. H. | Article in Book | | 2003 |
| To whom it may concern … : the case of Christina Brook | Byrne. Susan | Article in Book | | 2023 |
| Tógáil Ché Heilvic, 1912-1921 | Ó Muirí, Silvester | Article in Journal | | 2010 |
| Tomás Ó Con Cheanainn (1921-2015) | Breatnach, Pádraig A. | Article in Journal | | 2016 |
| Tomas O Con Cheanainn (1921-2015) | Breatnach, Padraig | Article in Journal | | 2016 |
| Too long a sacrifice : the letters of Maud Gonne and John Quinn | Londraville, JanisLondraville, RichardMacBride, Maud Gonne, 1866-1953Quinn, John | Monograph or Collective Volume | Associated University Presses|Susquehanna University Press | 1999 |
| Tort claims in counterinsurgency operations : the British experience in Ireland, 1919-21 | Noone, Michael F. | Article in Journal | | 1993 |
| Towards Ireland free : the West Cork brigade in the War of Independence, 1917-1921 | Chisholm, JohnDeasy, Liam | Monograph or Collective Volume | Royal Carberry Books | 1992 |
| Towards Ireland free : the west Cork Brigade in the war of independence, 1917-21 | Chisholm, JohnDeasy, Liam | Monograph or Collective Volume | Mercier Press | 1973 |
| Towns of New England and old England, Ireland and Scotland : connecting links between the cities and towns of New England and those of the same name in England, Ireland and Scotland, containing narratives, descriptions and many views, some done from old prints; also much matter pertaining to the founders and settlers of New England and to their memorials on both sides of the Atlantic. Printed to commemorate the tercentenary of the landing of the Pilgrims. 2 vols. | Forbes, Allan | Monograph or Collective Volume | | 1921 |
| Tracing the history of a troubled society : Northern Ireland since partition 1921-79 | Phoenix, Eamon | Article in Book | | 1995 |
| Tracing the imprint: Catholicism in some twentieth century Irish fiction | Maher, Eamon | Article in Journal | | 2011 |
| Tragedies and farce: Partition and the border | Leary, Peter | Article in Book | | 2022 |
| Tragedies of Kerry, 1922-1923 | MacArdle, Dorothy | Monograph or Collective Volume | Irish Freedom Press | 1991 |
| Tragedies of Kerry, 1922-1923 | MacArdle, Dorothy | Monograph or Collective Volume | Irish Freedom Press | 1988 |
| Tragedy at Ballycannon | Mulcahy, J. | Article in Journal | | 2002 |
| Tragedy at Coolboreen : the death of Winifred Barrington | Hannan, Kevin | Article in Journal | | 1988 |
| Transport history in university theses | | Article in Journal | | 1960 |
| Treacy's packet and tripe shop | Irwin, Mary Kate | Article in Journal | | 1984 |
| Treaty debates in the Dáil | Connell, Joseph E.A. Jr | Article in Journal | | 2022 |
| Tribute to a father : Jack Dwan, Kilruane, (1921-’95) | McGlinchey, Dympna | Article in Journal | | 1996 |
| Tribute. George Chartres | Casteleyn, Mary | Article in Journal | | 2011 |
| Troubled love: The north and writing romance across the divide | Garden, Alison | Article in Book | | 2022 |
| Troubles, terminus and The Treaty | Pettitt, Lance | Article in Book | | 1999 |
| Truce : murder, myth and the last days of the Irish War of Independence | Ó Ruairc, Pádraig Óg | Monograph or Collective Volume | Mercier Press | 2016 |
| Truce, treaty and civil war in Dublin city, 1921-23 | Hanley, John Paul | Thesis | | 1995 |
| True Bolsheviks? the rise and fall of the Socialist Party of Ireland, 1917-21 | O'Connor, Emmet | Article in Book | | 2004 |
| Turning points of the Irish Revolution : the British government, intelligence, and the cost of indifference, 1912-1921 | Grob-Fitzgibbon, Benjamin John | Monograph or Collective Volume | Palgrave Macmillan | 2007 |
| Two Clogher constitutions | O'Sullivan, William, 1921-2000 | Article in Journal | | 1996 |
| Two Clogher constitutions | O'Sullivan, William, 1921-2000 | Article in Book | | 1994 |
| Two Clongowes centenaries | Savage, Roland | Article in Journal | | 1941 |
| Two great communal leaders: Sir James Craig (1870–1940) and Joe Devlin (1871–1934) | Bew, Paul | Article in Book | | 2022 |
| Two Lands on One Soil : Ulster Politics before Home Rule | Wright, Frank | Monograph or Collective Volume | Gill & Macmillan | 1996 |
| Two notes: 1. On Clonmeen House, Banteer|2. On Kanturk Court House, Session House and Bridewell | Montgomery, Arthur | Article in Journal | | 2022 |
| Uibh Ceinnsealaigh n-éigse agus na scoileanna | Anonymous | Article in Journal | | 1921 |
| Ulster : the cost of being British | Sidwell, Robert | Monograph or Collective Volume | Dreamland Publications | 1993 |
| Ulster : the internal colony | Anonymous | Monograph or Collective Volume | Queen's University of Belfast, Ulster Unionist Association | 1993 |
| Ulster and the home rule struggle, 1886-1921 | Lyons, F. S. L. (Francis Stewart Leland) | Article in Book | | 1954 |
| Ulster Modern : modern movement architecture in Northern Ireland, 1921-1949 | Larmour, Paul | Monograph or Collective Volume | Gandon Editions | 2024 |
| Ulster political lives, 1886–1921 | | Monograph or Collective Volume | Royal Irish Academy | 2016 |
| Ulster society and politics, 1801-1921 | Walker, B. M. (Brian Mercer) | Article in Book | | 1989 |
| Ulstermen and loyalist ladies on parade : gendering Unionism in Northern Ireland | O'Sullivan See, KatherineRacioppi, Linda | Article in Journal | | 2000 |
| Understanding 'trauma' in the 1920s | Aiken, Síobhra | Article in Book | | 2022 |
| Understanding Northern Ireland | Quinn, Dermot A. | Monograph or Collective Volume | Baseline | 1993 |
| Understanding Ulster | Alcock, Antony | Monograph or Collective Volume | Ulster Society Publications | 1994 |
| Une relation unique : les relations irlando-britanniques de 1921 à 2001 | Gillissen, Christophe | Monograph or Collective Volume | Presses Universitaires de Caen | 2005 |
| Unfulfilled promise : memories of Donogh O'Malley | Browne, P. J. (Pius J.), 1956- | Monograph or Collective Volume | Currach Press | 2008 |
| Unintended consequences : the national schools and Irish women's mobility in the late nineteenth and early twentieth centuries | Nolan Janet A. | Article in Book | | 2004 |
| Union to partition : Ireland 1800-1921 | Hodge, Audrey M.Rees, Russell | Monograph or Collective Volume | Colourpoint | 1995 |
| Unionism and the eschatological fate Ulster; 1921-2005 | Mitchel, Patrick | Article in Book | | 2006 |
| Unionism, 1921-72 | Patterson, Henry | Article in Book | | 2014 |
| Unsettled Territory: The 5th Battalion (Meath Brigade) in North Meath 1917- 1921 | Cogan Frank | Monograph or Collective Volume | Meath County Council | 2022 |
| Using the Military Service Pensions Collection to uncover a revolutionary youth and its aftermath | Hay, Marnie | Article in Book | | 2023 |
| Ussher as a collector of manuscripts | O'Sullivan, William, 1921-2000 | Article in Journal | | 1956 |
| Valentine Jackson's account of republican activities in Stillorgan, 1916-1921 | MacMahon, Bryan, 1949- | Article in Journal | | 2015 |
| Versions of the 'Other' - As Tool in the Culture of Impersialism, and Rationalisation for Sources of Violence | Higgins, Michael D. | Article in Book | | 2023 |
| Victor Hammer and the Baoithín Irish type | McGuinne, Dermot | Article in Journal | | 1995 |
| Victory and woe : the west Limerick brigade in the War of Independence | Harnett, MossieJoy, James H. | Monograph or Collective Volume | University College Dublin Press | 2002 |
| Violence against women during the Irish War of Independence, 1919-21 | Coleman, Marie | Article in Book | | 2015 |
| Visual arts and society, 1850-1900 | Barrett, CyrilSheehy, Jeanne | Article in Book | | 1996 |
| Visual arts and society, 1900-21 | Barrett, CyrilSheehy, Jeanne | Article in Book | | 1996 |
| Voice of Ireland : a survey of the race and nation from all angles, by the foremost leaders at home and abroad | | Monograph or Collective Volume | Heywood | 1924 |
| Voluntarist democratic theory and the origins of the Irish Civil War | Kissane, Bill | Article in Journal | | 1999 |
| Volunteer activities in county Carlow during the War of Independence | O'Neill, James | Article in Journal | | 2017 |
| Vom Freistaat zur Republik : Der Außenpolitische Faktor im irischen Unabhängigkeitsstreben zwischen 1921 und 1948 | Elvert, Jürgen | Monograph or Collective Volume | Brockmeyer | 1989 |
| Voting behaviour | Laver, Michael | Article in Book | | 2005 |
| Voting behaviour in Northern Ireland, 1921-77 | Osborne, Robert D. | Article in Book | | 1982 |
| W. E. B. Du Bois and the Irish Revolution : anticolonial activism in New York, 1916-1921 | Brundage, David | Article in Book | NA | 2022 |
| W. E. Wylie and the Irish revolution 1916-1921 | Ó Broin, León, 1902-1990 | Monograph or Collective Volume | Gill & Macmillan | 1989 |
| Wall murals and the iconography of landscape, a case study : Northern Ireland | Kelly, Kieran | Article in Journal | | 2000 |
| War of Independence (1919-21) | Fitzgerald, John | Article in Book | | 2007 |
| War of independence, diary of Mayo events | Buckley, Donal, Captain | Article in Journal | | 1999 |
| War, insurrection & election in Ireland, 1914-21 : a comment on the denunciation of the film Michael Collins by Professor Bew and others | Clifford, Brendan | Monograph or Collective Volume | Athol | 1997 |
| Warrenpoint | Donoghue, Denis | Monograph or Collective Volume | Cape | 1991 |
| Was there an Irish War of Independence? | Kennedy, Liam, 1946- | Article in Book | | 2002 |
| Watching brief : further memoirs of an Irishman at law in England | Comyn, James | Monograph or Collective Volume | Round Hall Press | 1993 |
| Waterford hasn't done much either? Waterford in the war of independence 1919-1921 | McCarthy, Patrick | Article in Journal | | 2002 |
| Wattie's passing mourned in Australia and Tomhaggard | | Article in Journal | | 2005 |
| Waving the green flag | Ryan, Des | Article in Journal | | 2009 |
| Welfare regimes, housing and homelessness in the Republic of Ireland | O'Sullivan, Eoin | Article in Journal | | 2004 |
| Welfare, widowhood, and the state: an exploration of the dependant’s allowances in the Military Service Pensions Collection | Walsh, Fionnuala | Article in Book | | 2023 |
| West Cork MPs 1800-1921 | Hyland, Cal | Article in Journal | | 2009 |
| What about me? : a woman for whom 'one damn cause' led to another | Mulcahy, Michael | Monograph or Collective Volume | Town House | 1992 |
| What the papers said 1908-1921 | McDowell, Mervyn | Article in Journal | | 1993 |
| When female activists say 'I' : veiled rebels and the counterhistory of Irish independence | Steele, Karen | Article in Book | | 2010 |
| When the Black and Tans came calling to our school, 1920-1 | Transition Year Class 3 | Article in Journal | | 2015 |
| When things were ‘closing-in’ and ‘rolling up’ : the imaginative geography of Elizabeth Bowen’s Anglo-Irish war novel The Last September | Kelly, Mary | Article in Journal | | 2012 |
| Where history meets poetry : Bryan MacMahon and 'The Valley of Knockanure' | Fitzmaurice, Gabriel | Article in Book | | 2005 |
| Where mountainy men have sown | Ó Súilleabháin, Mícheál | Monograph or Collective Volume | Anvil Books | 1965 |
| Where mountainy men have sown : war and peace in rebel Cork in the turbulent years, 1916-21 | Ó Súilleabháin, Mícheál | Monograph or Collective Volume | Mercier | 2013 |
| White light and flame, memories of the Irish literary revival and the Anglo-Irish war | MacManus, Lily | Monograph or Collective Volume | Talbot Press | 1929 |
| Whitehall, Belfast and Dublin : a new light on the treaty and the border | Whyte, John | Article in Journal | | 1971 |
| Who were the Auxiliaries? | Harvey, A. D. | Article in Journal | | 1992 |
| Who's who in the Irish war of independence, 1916-1921 | O'Farrell, Padraic | Monograph or Collective Volume | Mercier Press | 1980 |
| Whose city? Belonging and exclusion in the nineteenth-century urban world | Connolly, Sean J.,McIntosh, Gillian | Article in Book | | 2012 |
| Why was Tipperary so active in the War of Independence? | Augusteijn, Joost | Article in Journal | | 2006 |
| Why We Must Critique Imperialism | Higgins, Michael D. | Article in Book | | 2023 |
| Wicklow rejects Home Rule for a republic. Part 3: After war ... peace|Part 4|Part 5: 1920 - a new decade|Part 6: Troubled times - late 1920|Part 7: The spiral of death|Part 8: Peace at last|Part 9: 1921 - From terrorism to truce|Part 10: Late 1921 - truce to treaty|Part 11: Civil rights or civil war|Part 12: Towards civil war|Part 13: Dark days|Part 14: Civil war|Part 15: Is our country's agony never to end?|Part 16: The darkest hour is just before dawn|Part 17: Murder and reprisal|Part 18: Peace at last | Finlay, John | Article in Journal | | 2008 |
| Will of Dudly Colclough, of Moyhurry, now Mocurry, in the barony of Scarawalsh, Co. Wexford | Colclough, Dudly | Article in Journal | | 1921 |
| William J. Walsh, 1908-21 | Keogh, Dáire | Article in Book | | 2008 |
| William J. Walsh, archbishop of Dublin | Walsh, Patrick | Monograph or Collective Volume | Talbot Press | 1928 |
| William J. Walsh, archbishop of Dublin, 1841-1921 | Morrissey, Thomas J. | Article in Journal | | 2008 |
| William J. Walsh, Archbishop of Dublin, 1841-1921 | Morrissey, Thomas J. | Article in Journal | | 2008 |
| William J. Walsh, Archbishop of Dublin, 1841-1921, no uncertain voice | Morrissey, Thomas J. | Monograph or Collective Volume | Four Courts | 2000 |
| William Molyneux's geographical collections for Kerry | | Article in Journal | | 1971 |
| William O'Sullivan : four appreciations | Barnard, T. C. (Toby Christopher)Hickey, ElizabethSimms, KatharineÓ Cróinín, Dáibhí | Article in Book | | 1998 |
| William O'Sullivan, 1921-2000 : keeper of manuscripts, 1953-82 | Meehan, Bernard | Article in Journal | | 2001 |
| William Orpen : an onlooker in France : a critical edition of the artist's war memories | Orpen, William, Sir, 1878-1931 | Monograph or Collective Volume | Paul Holberton | 2008 |
| William Thompson Kirkpatrick, 1848-1921 | Wilson, Ian | Article in Journal | | 2001 |
| With Dev in America : Sinn Féin and recognition politics, 1919-21 | Malouf, Michael G. | Article in Journal | | 2002 |
| With the IRA in the fight for freedom : 1919 to the truce | | Monograph or Collective Volume | Mercier Press | 2010 |
| With the Ulster Division in France : a story of the 11th Battalion Royal Irish Rifles (South Antrim volunteers) from Bordon to Thiepval : in four parts, including photographs and maps | Samuels, Arthur Purefoy Irwin ; D., G. S. | Monograph or Collective Volume | Naval and Military Press | 2003 |
| With Tipperary No.1 Brigade in North Tipperary : 1917-1921. Parts 1-2 | Gaynor, Seán | Article in Journal | | 1994 |
| Witnerss statement of Commandant Peter Kearney concerning the Battle of Crossbarry (1920) and other actions | Kearney, Peter | Article in Journal | | 2017 |
| Witnesses to freedom: a day by day account of the Irish War of Independence in Cork, 1919-1921 | Grainger, Diarmuid | Monograph or Collective Volume | the Author | 2019 |
| Witnesses to the Revolution 1899-1921 | French, Noel | Article in Journal | | 2016 |
| Wolfe Tone : Republican hero or Whig opportunist? | Boyd, Andrew, 1921- | Article in Journal | | 1998 |
| Women and politics in independent Ireland, 1921-1968 | | Article in Book | | 2002 |
| Women and the Civil War | Matthews, Ann | Article in Journal | | 1997 |
| Women and the family in Northern Ireland. A review | McLaughlin, Eithne | Article in Journal | | 1993 |
| Women in politics | Galligan, Yvonne | Article in Book | | 2005 |
| Women in the house: women's household work in Ireland, 1921-1961: discourses, experiences, memories | Clear, Catríona | Thesis | | 1997 |
| Women of the Dáil : gender. republicanism and the Anglo-Irish Treaty | Knirck, Jason K., 1971- | Monograph or Collective Volume | Irish Academic Press | 2006 |
| Women of the house : women's household work in Ireland, 1921-1961 : discourses, experiences, memoirs | Clear, Caitríona | Article in Journal | | 1998 |
| Women, emancipation, and politics, 1860-1984 | Cullen, Mary | Article in Book | | 2003 |
| Women, war and welfare. The co-operative crusades of Margaret Taylor McCoubrey, 1880-1956 | Hill, Myrtle | Article in Journal | | 2016 |
| Women, work and memory in rural Ireland, 1921-61 | Clear, Caitríona | Article in Book | | 2000 |
| Woolworths in Dun Laoghaire | Scudds, Anna | Article in Journal | | 2013 |
| Words and Irish history : an experiment | Fitzpatrick, David | Article in Book | | 2016 |
| Workers and outlaws : unionism and fair employment in Northern Ireland | Doyle, John | Article in Journal | | 1994 |
| Worrying away at the Irish Revolution | Dolan, Anne | Article in Book | | 2023 |
| [Obituary] Andrew Boyd | Ó Muirí, Reamonn | Article in Journal | | 2011 |
| ‘A lump sum would be altogether undoing her…’ Dependency claims: an overview of the army pensions legislation | Chemin, Cécile | Article in Book | | 2023 |
| ‘Alas, how I have been let down’: prison, ill-health, entitlement, and the army pensions legislation | Murphy, William | Article in Book | | 2023 |
| ‘All the arts of a radical agitation’ : transnational perspectives on British and Irish landowners and estates, 1800–1921 | Tindley, Annie | Article in Journal | | 2018 |
| ‘An Irish Louvain’ : memories of 1914 and the moral climate in Britain during the Irish War of Independence | Madigan, Edward | Article in Journal | | 2020 |
| ‘Applicant is a spinster’: aspects of the cosmos of the everyday life of single women | Lane, Leeann | Article in Book | | 2023 |
| ‘Cattle Drivers, marauders, terrorists and hooligans’ [The agrarian movement of 1920] | Dunne, Terry | Article in Journal | | 2020 |
| ‘Ireland will soon be free’: Paddy Maher and the Knocklong Raid | Ó hAisibéil, Liam | Article in Book | | 2018 |
| ‘It was not a question of dropping out’: the MSPC, personal circumstances, and the limits on participation in the Irish revolution | Hughes, Brian | Article in Book | | 2023 |
| ‘Left to fend for themselves’ : immigration, race relations and the state in twentieth century Northern Ireland | Crangle, Jack | Article in Journal | | 2018 |
| ‘Not an inch’: Northern Ireland staking its claim before the Boundary Commission | McMahon, Timothy G. | Article in Book | | 2022 |
| ‘Pensions for nothing? : the case of Patrick James Doherty | McEvoy, Robert | Article in Journal | | 2020 |
| ‘Please say who are the dependents in this case?’ Female vulnerability, the male-breadwinner model, and the Military Service Pensions Collection | Earner-Byrne, Lindsey | Article in Book | | 2023 |
| ‘Save me from my friends’ : the transnational intimacies of an Irish-Latvian couple within and beyond the Irish revolution, 1916–1921 | Casey, Maurice J. | Article in Journal | | 2022 |
| ‘She’s nothin’ but a shadda’: the politics of marriage in late Mulholland | Murphy, James H. | Article in Book | | 2016 |
| ‘This strike … was of the utmost importance, and met with the approval of the IRA Executive’: the munitions strike of 1920 | Yeates, Pádraig | Article in Book | | 2023 |
| ‘What the hell do they want a republic for?’ Labour, the left and the Irish Civil War | O'Connor, Emmet | Article in Book | Cork University Press | 2024 |
| “I come back to stand here, a revenant” : Brian Moore’s ransatlantic travel writing | Moynihan, Sinéad | Article in Journal | | 2021 |
| “Nobody’s children?” : the Ministry of Pensions and the treatment of disabled Great War veterans in the Irish Free State, 1921–1939 | Robinson, Michael | Article in Journal | | 2017 |
| “the straitjacket of ‘Ulster’” : Brian Moore, partition, and fatalism | O'Neill, Stephen | Article in Journal | | 2021 |
| “War was freedom, freedom from futures” : Brian Moore, Lucy Caldwell and the Belfast blitz bildungsroman | Garden, Alison | Article in Journal | | 2021 |