| "At the grave of Shane O'Neill." The commemorations at Shane's cairn, Cushendun. 1908-1914 | Carter, Roland Spottiswode | Article in Journal | | 2010 |
| "De-skilling" the 1891 Censuses in New South Wales and Tasmania | Maddison, Ben | Article in Journal | | 2007 |
| "Keepin' a home together" : performing domestic security in Sean O'Casey's "The Plough and the Stars" | Clarke, Amanda | Article in Journal | | 2014 |
| "Lymerick Plantation" - Berkeley County, South Carolina | O'Brien, Michael J. | Article in Journal | | 1926 |
| "One dead horse, 10.30am" : Irish broadcasting 1926-1966 and the Easter Rebellion | Lynch, Brian | Article in Book | Routledge | 2007 |
| "The Mosquito Press" : anti-imperialist rhetoric in Republican journalism, 1926-39 | Ní Bheacháin, Caoilfhionn | Article in Journal | | 2007 |
| "Those young men..." : the National Library of Ireland and the cultural revolution | Mac Lochlainn, Alf, 1926- | Article in Book | | 1993 |
| 'A country of the mind' : Eva Gore-Booth and the 1916 Rising | Mills, Lia | Article in Book | | 2020 |
| 'A muzzle made in Ireland' : Irish censorship and Sighe Toksuig | Pihl, Lis | Article in Journal | | 1999 |
| 'A philosophical landscape' : Susanna Drury and the Giant's Causeway | Anglesea, MartynPreston, John | Article in Journal | | 1980 |
| 'Brother Bookbinder' and the 'book beautiful': arts and crafts books in the library | Bowe, Nicola Gordon | Article in Book | Four Courts Press | 2013 |
| 'Dublin calling' : 2RN and the birth of Irish radio | Clarke, Paddy | Monograph or Collective Volume | Radio Telefís Éireann | 1986 |
| 'Faugh' beyond the Rhine | Maguire, J. D. J. | Article in Journal | | 2008 |
| 'From the abstract to the reality' : Jim Mc Fall & Belfast boilermakers, 1928-1992 | Devine, Francis | Article in Book | | 2017 |
| 'I do nat see what can be gained by embarking on a contest at all'. Carlow and the 1918 General Election | Callinan, Elaine | Article in Journal | | 2019 |
| 'I do wish we were not the "Ulster" division but just the 36th' | Mitchell, Pauline | Article in Journal | | 2014 |
| 'It sounded like a James Bond thriller'. Maeve recalls her days as an espionage agent. Interview by Lucy Moore | Davison, MaeveMoore, Lucy | Article in Journal | | 2011 |
| 'Its effect on public morality is vicious in the extreme' : defining birth control as obscene and unethical, 1926-32 | McAvoy, Sandra | Article in Book | | 2012 |
| 'No surrender!' Paisleyism and the politics of ethnic identity in Northern Ireland | Bruce, SteveTaylor, DavidWallis, Roy | Monograph or Collective Volume | Queen's University of Belfast | 1986 |
| 'She did it properly': Women in the hotel and catering industry 1926-1971 | Moylan, Therese | Article in Journal | | 2015 |
| 'Slightly constitutional' politics : Fianna Fáil's tortuous entry to the Irish parliament, 1926-7 | Ó Beacháin, Donnacha | Article in Journal | | 2010 |
| 'Sure it's only a holiday...': the Irish contingent of the British (Palestine) Gendarmerie, 1922-1926 | Gannon, Seán | Article in Journal | | 2013 |
| 'The Calamitous Burning'. The Dromcollogher disaster of 1926 | Irwin, Liam | Article in Journal | | 2013 |
| 'The Labour opposition of Northern Ireland' : a complete reprint of Northern Ireland's first Labour newspaper, 1925-1926 | | Monograph or Collective Volume | Athol | 1992 |
| 'The most perfect specimen of civilised nature' : the Shannon Estuary Group - elite theory and practice | Potter, Matthew | Article in Book | | 2013 |
| 'The revolt of the daughters?' The Gore-Booth sisters | Tiernan, Sonja | Article in Book | | 2016 |
| 'Towards the advancement of horticulture': school gardens and allotments in early twentieth-century Kildare | Forrest, Mary | Article in Journal | | 2019 |
| 'Unofficial emissaries' : British army boxers in the Irish Free State, 1926 | Fitzpatrick, David | Article in Journal | | 1996 |
| 'We couldn't do a Prague' : British government responses to loyalist strikes in Northern Ireland, 1974-77 | Aveyard, Stuart C. | Article in Journal | | 2014 |
| + Kevin : a portrait of Archbishop Kevin McNamara | Power, Louis | Monograph or Collective Volume | Blackwater | 1993 |
| 1969: how the crisis unfolded | Gillespie, Gordon | Article in Journal | | 2009 |
| 75 years of success | McLaughlin, Terry | Article in Journal | | 2002 |
| A Belfast woman: shame guilt and gender in Mary Beckett's short stories of the 1950s | Matthews, Kelly
| Article in Journal | | 2014 |
| A cereal problem? what the current chronology of early cereal domesticates might tell us about changes in late fifth and early fourth millennium cal bc Ireland and Britain | Griffiths, Seren | Article in Journal | | 2022 |
| A church's tercentenary : Ballywalter | Stewart, David | Monograph or Collective Volume | [The author] | 1926 |
| A Fleet Street perspective | Aitken, Ian | Article in Book | | 1986 |
| A fracas in Frankfort | Smith, Margaret | Article in Journal | | 2015 |
| A gaelic experiment : the prepartory system 1926-1961 amd Coláiste Moibhí | Jones, Valerie A. | Monograph or Collective Volume | Woodfield Press | 2006 |
| A harvest custom of eastern Ulster | McKean, E.J. | Article in Journal | | 1926 |
| A history of Ireland. 2 vols. | Hull, Eleanor | Monograph or Collective Volume | | 1926 |
| A master builder of Wicklow : David Keely of the Mall | Byrne, Declan | Article in Journal | | 1999 |
| A monetary history of Ireland, 1 : Ancient Ireland; 2 : From the Anglo-Norman invasion to the death of Elizabeth. With an introductory essay on the Anglo-Saxon and Anglo-Norman money systems. 2 vols. | Nolan, Patrick | Monograph or Collective Volume | | 1926 |
| A natural governing party : Fianna Fáil in comparative perspective | Carty R. Kenneth | Article in Journal | | 2017 |
| A performance of consensus? The coronation visit of Elizabeth II to Northern Ireland, 1953 | McIntosh, Gillian | Article in Journal | | 2002 |
| A picturesque agitator | Mac Lochlainn, Alf, 1926-- | Article in Journal | | 1955 |
| A question of loyalty : war, nation, and feminism in early twentieth-century Ireland | Ryan, Louise | Article in Journal | | 1997 |
| A second Ogham stone at Clara | Manning, ConlethMoore, Fionnbarr | Article in Journal | | 1997 |
| A sense of time | Davison, David | Article in Journal | | 2011 |
| A short account of the Duguid Family and of the Adelaide Memorial Church Myshall, Co. Carlow | Anonymous | Monograph or Collective Volume | [privately published] | 1926 |
| A short history of the Air Corps | Cassidy, M. | Article in Journal | | 1980 |
| A short-title catalogue of books printed in England, Scotland and Ireland and of English books printed abroad, 1475-1640 | | Monograph or Collective Volume | | 1926 |
| A short-title catalogue of books printed in England, Scotland and Ireland and of English books printed abroad, 1475-1640, vols. 1-2 | | Monograph or Collective Volume | | 1976 |
| A socio-economic analysis of the Dublin protestant working-class, 1870-1926 | Maguire, Martin | Article in Journal | | 1993 |
| A study of the townland of Kiltarnet | McDermott, Sinéad | Article in Journal | | 2006 |
| A “Southern interference in the North's affairs” : the prospect of Fianna Fáil as an all-Ireland party, 1926–2011 | Kelly, Stephen | Article in Journal | | 2014 |
| A “Southern interference in the North's affairs” : the prospect of Fianna Fáil as an all-Ireland party, 1926–2011 | Kelly, Stephen | Article in Journal | | 2014 |
| Ag aistriú chun foghlama | Mag Shamhráin, Antain | Article in Book | | 2020 |
| Ag foghlaim ceirde : foilseacháin an Ghúim do pháistí Óga, 1926-70 | Adams, Róisín | Article in Book | | 2020 |
| Alice Kinkead and the last portrait of Conrad | Jones, Susan | Article in Journal | | 2006 |
| All about Eve: Signe Toksvig and the intimate lives of Irish women, 1926-1937 | McAvoy, Sandra | Article in Journal | | 2010 |
| All in a life : an autobiography | FitzGerald, Garret | Monograph or Collective Volume | NA | 1991 |
| Amhráin Mhuighe Séola, an outline content analysis | Mac Lochlainn, Alf, 1926- | Article in Journal | | 2001 |
| An address to the people of England, Scotland and Ireland, on the present important crisis of affairs ... London,1775 | Macaulay, Catherine | Article in Journal | | 1926 |
| An analysis of the relative size of the government sector 1926-52 | O'Hagan, J. W. | Article in Journal | | 1980 |
| An ancient site at Raha? | Mac Lochlainn, Alf, 1926-Mac Lochlainn, Fionnuala | Article in Journal | | 1991 |
| An Ghaeilge agus an fhorbairt i nGaeltacht na nDéise: súil siar agus súil chun cinn | Walsh, John | Article in Journal | | 2005 |
| An Gúm (1926-) | Uí Laighléis, Gearóidín | Article in Book | | 2025 |
| An Gúm : comhthéacs a bhunaithe | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 2020 |
| An Gúm agus an comhthéacs Eorpach | Cronin, Michael, 1960- | Article in Book | | 2025 |
| An Gúm an ghruaim agus an Griannach | Uí Laighléis, Gearóidín | Article in Book | | 2020 |
| An open letter to Ian Paisley demythologising history | Kelleher, Derry | Monograph or Collective Volume | Justice Books | 1991 |
| An outline history of architecture of the British Isles | Dickinson, P. L. | Monograph or Collective Volume | | 1926 |
| An scéim : an Gúm 1926-2016 : cnuasach aistí | | Monograph or Collective Volume | An Gúm, Foras na Gaeilge | 2020 |
| An underground theatre. Major playwrights in the Irish language 1930-80 | O'Leary, Philip | Monograph or Collective Volume | University College Dublin Press | 2017 |
| An unholy alliance: the secret IRA-Soviet agreement, 1925. | Mahon, Tom | Article in Journal | | 2009 |
| Ancient Brain-Balls or Sling Stones in Ireland | Bigger, Francis Joseph, 1863-1926 | Article in Journal | | 1925 |
| Another deade of centenaries, 1913-23: The Biddulphs, the Great War and the decline of the big house in King's County/Offaly | Byrne, Michael | Article in Journal | | 2016 |
| Appreciation : Sheila Cloney (1926-2009) | Browne, Bernard | Article in Journal | | 2010 |
| Appreciations. Michael (Mickie) Berry. John's Row, Westport | | Article in Journal | | 2015 |
| Approaching Ireland's later historical archaeology : people and society 1824-1926 | Hennessy, Eiden | Thesis | | |
| Are the Irish different?: theories and methods in Irish Studies | Inglis, Tom | Article in Journal | | 2013 |
| Are you going the two days? Tipperary Races at Barronstown Course, 1848-1926 | Moloney, Joe | Article in Journal | | 1993 |
| Arklow Golf Club. A brief history | Mullett, Killian | Article in Journal | | 1992 |
| As if it was yesterday : David Coburn's stories | Coburn, David | Article in Book | | 2005 |
| Awkward Prods : biographical studies of Progressive Protestants and political allegiance in Northern Ireland | Greer, JamesWalker, Graham | Article in Journal | | 2018 |
| Bagnells and Knights : publishers and papermakers in Cork | Mac Lochlainn, Alf, 1926- | Article in Journal | | 1960 |
| Bagnells and Knights : publishers and papermakers in Cork | Mac Lochlainn, Alf, 1926- | Article in Journal | | 1961 |
| Ballyshannon historians | Begley, Anthony | Article in Journal | | 2013 |
| Banagher church | Waterman, Dennis | Article in Journal | | 1973 |
| Barry's amusements | Fairley, James S. | Article in Journal | | 2005 |
| Belfast Cathedral: the decoration | Thompson, Herbert Marshall | Monograph or Collective Volume | Belfast Cathedral Guild | 1926 |
| Belfast corporation buses : 1926-1973 | Montgomery, W. | Monograph or Collective Volume | Colourpoint Books | 2001 |
| Between change and tradition : the politics and writings of Garret FitzGerald | Murphy, William | Article in Journal | | 2008 |
| Bibliography of the publications of Kathleen Hughes | Dumville, David N. | Article in Book | | 1982 |
| Bibliography of the published works of D. W. Hayton | Gaunt, Richard A.Jones, Clyve | Article in Journal | | 2014 |
| Bishop Berkeley in Ireland | Hone, Joseph Maunsell, 1882-1959 | Article in Journal | | 1926 |
| Bishop Berkeley in Ireland | Hone, Joseph Maunsell, 1882-1959 | Article in Journal | | 1926 |
| Bishop Charles McHugh of Derry Diocese (1856-1926) | Donnelly, Philip | Article in Journal | | 2005 |
| Bishop Foley and two crises - Home Rule and conscription | Power, Ann | Article in Journal | | 2006 |
| Bishop John Jebb and the nineteenth-century Anglican Renaissance | Acheson, Alan | Monograph or Collective Volume | Clements Academic | 2013 |
| Bishop Patrick Foley and the Carlow by-election of 1908 | Power, Anne | Article in Journal | | 2005 |
| Blasket Island life and work, 1919-23 | Mac Lochlainn, Alf, 1926- | Article in Journal | | 2010 |
| Bookmakers, betting offices and the business of gambling in independent Ireland, 1926-31 | O'Callaghan, Liam | Article in Journal | | 2016 |
| Born in India | Dow, Ruby | Article in Journal | | 2001 |
| Breithiúna agus breithiúnais sa Ghúm | Coilféir, Máirtín | Article in Book | | 2020 |
| Brides' Aid : a marriage of principles in Dublin's Jewish community | Wynn, Natalie | Article in Book | | 2019 |
| Bridges over the Liffey | Tulty, Michael J. | Article in Journal | | 1981 |
| British and Irish silver assay office marks 1544-1932. Old Sheffield plate makers' marks 1743-1860. | | Monograph or Collective Volume | | 1932 |
| Broadcasting and public life : RTE news and current affairs, 1926-1999 | Horgan, John, b. 1940 | Monograph or Collective Volume | Four Courts | 2004 |
| Broadside ballads in Irish | Mac Lochlainn, Alf, 1926- | Article in Journal | | 1967 |
| Building a nation : an examination of the Irish Gaeltacht Commission report of 1926 | Johnson, Nuala C. | Article in Journal | | 1993 |
| Burren villages : tales of history and imagination | | Monograph or Collective Volume | Mercier Press | 2010 |
| Cad a dhéanfas sgríobhnóir idir an dá linn?’: Blianta luatha an Ghúim agus tionchar éiginnteacht na rialacha maidir le foilsiú sa chló Gaelach agus sa chló Rómhánach orthu | Cassin, Teresa | Article in Journal | | 2020 |
| Calendar of state papers, relating to English affairs, preserved principally at Rome, in the Vatican archives and library. Elizabeth, [vols.] 1-2 : 1558-1578. 2 vols. | Rigg, James Macmullen, 1855-1926 | Monograph or Collective Volume | HMSO | 1916 |
| Canada and the Transition to Commonwealth : British-Canadian Relations, 1917-1926 | Wigley, Philip G. | Monograph or Collective Volume | NA | 1977 |
| Canon Liam O'Mahony, 1926-2009 | Anonymous | Article in Journal | | 2010 |
| Caoineadh Airt Uí Laoghaire : Leagan as lámhscríbhinn | Mac Lochlainn, Alf, 1926- | Article in Journal | | 1972 |
| Castleboro of old | Kinsella, Maurice | Article in Journal | | 1990 |
| Catalogue of accounts on the great rolls of the pipe of the Irish exchequer for the reign of Edward III | Anonymous | Article in Book | | 1926 |
| Catalogue of Irish manuscripts in the British Museum | Flower, RobinO'Grady, S. H. (Standish Hayes) | Monograph or Collective Volume | Trustees of the British Museum | 1926-1953 |
| Catalogue of Irish manuscripts in the Royal Irish Academy. [28 fasc. and 2 index vols.] | | Monograph or Collective Volume | Royal Irish Academy|Hodges Figgis | 1926-1970 |
| Catholics in Northern Ireland, 1926-1939 | Kennedy, David | Article in Book | | 1967 |
| Celtic Studies as an academic discipline in France, 1870s-2000s | Hughes, Art | Article in Book | | 2025 |
| Changing fortunes of the Protestant communty in North Donegal (1860-1926) from an occupations perspective | Rowland, Edward | Article in Journal | | 2020 |
| Changing residential patterns of the Dublin Jewish community | Waterman, Stanley | Article in Journal | | 1981 |
| Changing the king's title, 1926 : an asterisk to "O'Higgin's comma" | Shinn, Ridgway F. | Article in Journal | | 1981 |
| Charles I and the stigma of the Glamorgan Commission | Mitchell, C. A. | Article in Journal | | 1926 |
| Charles M. O'Malley, a pioneer of Michigan | O'Malley,Charles J. | Article in Journal | | 1926 |
| Chelsea footprints : a thirties chronicle | Hughes, Angela, 1926- | Monograph or Collective Volume | Quartet | 2008 |
| Civil service reform in Ireland 1922 to 2012 | O'Toole, John | Thesis | | |
| Class, materialism and the fracturing of traditional alignments | Shirlow, Peter | Article in Book | | 1997 |
| Cloyne Mineral Company | Lyons, Patricia | Article in Book | | 1994 |
| Clúdaigh an Ghúim | Ó Raghallaigh, Muiris | Article in Book | | 2020 |
| Codladh céad bliain : cnuasach aistí ar litríocht na nÓg | | Monograph or Collective Volume | LeabhairCOMHAR | 2012 |
| Cóic Conara Fugill | Thurneysen, Rudolf | Article in Journal | | 1926 |
| Colm Ó Lochlainn and the Sign of the Three Candles (1926-72) | McGuinne, Dermot | Article in Book | | 2025 |
| Colonel Marcus Maloney, U.S. Army | O'Brien, Michael J. | Article in Journal | | 1926 |
| Commemoration and conciliation during the Royal Visit [2011] | Madigan, Edward | Article in Journal | | 2011 |
| Compassionate companionship of the dead: deathbed visions | MacConville, Una | Article in Book | | 2016 |
| Compulsory attendance legislation for Irish schoolchildren, 1892 and 1926 | Quinlivan, Michael | Article in Journal | | 1986 |
| Comrades in arms : George Jean Nathan and Sean O'Casey | Angelin, Patricia | Article in Journal | | 1994 |
| Conclusion | Williams, T. Desmond | Article in Book | | 1967 |
| Cononagh Branch Creamery, 1926-2007 | O'Sullivan, Jerry | Article in Journal | | 2007 |
| Constance Markievicz and the Easter Rising | McGowan, Joe | Article in Journal | | 2017 |
| Continuing the Mount Merrion connection | O'Kelly, Gerard | Article in Journal | | 1999 |
| Correspondence between Bishop O'Dwyer and Bishop Foley on the Dublin Rising, 1916-17 | O'Callaghan, Edward P. | Article in Journal | | 1978 |
| Countess Markievicz and Eva Gore-Booth | Tiernan, Sonja | Article in Book | | 2016 |
| County Kildare and the end of the Great War | Durney, James | Article in Journal | | 2019 |
| Creators of mathematics : the Irish connection | | Monograph or Collective Volume | University College Dublin Press | 2000 |
| Cuir síoda ar leabhar ... | Ó Raghallaigh, Muiris | Article in Book | | 2020 |
| Cultivating genetics in the country: Whittingehame Lodge, Cambridge | Opitz, Donald L. | Article in Book | | 2011 |
| Culture of creation | Harbison, Peter | Article in Journal | | 2004 |
| Czech workers and the Mallow sugar beet factory | Rutherford, Colman, et al. | Article in Journal | | 2014 |
| Dáil Éireann and the army : unity and division (1919-1921) | Nowlan, Kevin B. | Article in Book | | 1968 |
| Dan Donovan : an Everyman's life | Ryan, Vera | Monograph or Collective Volume | Collins Press | 2008 |
| Dánta Grádha : an anthology of Irish love poetry, A.D. 1350-1750. Pt. 1 : Text | | Monograph or Collective Volume | | 1916 |
| David Comyn, 1854-1907 : a pioneer of the Irish language movement | Doyle, J. J. | Monograph or Collective Volume | Lee Press | 1926 |
| De bhunadh protastúnach : nó rian Chonradh na Gaeilge | Ó Glaisne, Risteárd, 1927-2003 | Monograph or Collective Volume | Carbad | 2000 |
| De Valera in power | Williams, T. Desmond | Article in Book | | 1967 |
| Demographic change in Longford's Methodist population, 1869-1926 | Coleman, Marie | Monograph or Collective Volume | | 2020 |
| Destiny of the soldiers : Fianna Fáil, Irish republicanism and the IRA, 1926-1973 | Ó Beacháin, Donnacha | Monograph or Collective Volume | Gill & Macmillan | 2010 |
| Devilish devices or farmyard friends? The Free State coinage debate | Morris, Ewan | Article in Journal | | 2004 |
| Díchoimisiúnú teanga : Coimisiún na Gaeltachta 1926 | Walsh, John, 1971- | Monograph or Collective Volume | Cois Life Teoranta | 2002 |
| Die Abfassungszeit und Uberlieferung der Vita Tripartita | Mulchrone, Kathleen | Article in Journal | | 1926 |
| Divisions of the Nendrum sun-dial | Lawlor, H.C. | Article in Journal | | 1926 |
| Documents on Irish foreign policy, vol. 2 : 1923-1926 | | Monograph or Collective Volume | Royal Irish Academy | 2000 |
| Documents on Irish foreign policy, vol. 3 : 1926-1932 | | Monograph or Collective Volume | Royal Irish Academy | 2002 |
| Documents on social life : four letters from the Wilson-Lynch papers | Mac Lochlainn, Alf, 1926- | Article in Journal | | 1989 |
| Dónall Mac Amhlaigh (1926-1989) : an appreciation of the man and his writings | Hutton, Seán | Article in Journal | | 1989 |
| Donegal and partition, 1912-1926 | Thompson, Kelly | Thesis | | 2010 |
| Down County Infirmary Admissions Register 1908-1926 | Erskine, Lawrence | Article in Journal | | 1997 |
| Down through the ages : St. Anne's Hospital 1926-1976 | Anonymous | Monograph or Collective Volume | The Hospital | 1979 |
| Down through the ages: The history of Killester church and parish: 1926-2006: Revised edition 2006 | Garrett, Arthur | Monograph or Collective Volume | none given | 2006 |
| Drogheda and the British general strike, 1926 | Kiernan, Eugene | Article in Journal | | 1986 |
| Drogheda and the British general strike, 1926 | Kernan, Eugene | Article in Journal | | 2000 |
| Dublin castle and the Royal Irish Constabulary (1916-1922) | Hawkins, Richard | Article in Book | | 1968 |
| Dublin City Public Libraries' Swift collection | Kennedy, Máire | Article in Book | | 2008 |
| Early developments in producing clean milk | Curran, Leo | Article in Journal | | 2000 |
| Early literary channels between Britain and Ireland. | Slover, Clark Harris | Article in Book | | 1926 |
| Education and language | Ó Cuív, Brian | Article in Book | | 1968 |
| Education in the new Ireland | Ó Catháin, Seán | Article in Book | | 1967 |
| Edward Dargan - Abbey Street, Tullow | Dargan, Edward | Article in Journal | | 1991 |
| Elizabeth O'Connor Higgins; an eventful life | Higgins, JoeO'Callaghan, RoryRutherford, Colman | Article in Journal | | 2015 |
| Emperor, Queen and Cardinal: a forgotten chapter in the story of Irish linen | White, Deborah | Article in Journal | | 2022 |
| Engineering in Radio Telefís Éireann (RTE) | O'Connell, Kevin | Article in Book | | 2006 |
| Ernest Joynt - locomotive draughtsman and Gaelic scholar | Ó Broin, Seosamh | Article in Journal | | 2010 |
| Erskine Childers, 1870-1922 : a sketch | Williams, Arthur Frederic Basil, 1867-1950 | Monograph or Collective Volume | | 1926 |
| Estimates of gross and net output and income arising in agriculture in all Ireland and in the Free State area in selected years between 1900/01 and 1926-27 | Henry, E. W.O'Connor, Robert | Article in Journal | | 1996 |
| Estimates of gross and net output and income arising in agriculture in all Ireland and in the Free State area in selected years between 1908 and 1926/27 | Henry, E. W.O'Connor, Robert | Monograph or Collective Volume | Economic and Social Research Institute | 1995 |
| Estimates of gross and net output and income arising in agriculture in all Ireland and the Free State area in selected years between 1900/01 and 1926/27 | Henry, E. W.O'Connor, Robert | Monograph or Collective Volume | Economic and Social Research Institute | 1996 |
| Ethnic cleansing? Protestant decline in West Cork between 1911 and 1926 | Keane, Barry | Article in Journal | | 2012 |
| Ethnicity and evangelicalism : Ian Paisley and Protestant politics in Ulster | Bruce, SteveTaylor, DavidWallis, Roy | Article in Journal | | 1987 |
| Eva Gore-Booth | Herbert, Michael, 1955 July 4- | Article in Journal | | 2003 |
| Eva Gore-Booth on behalf of Roger Casement : an unpublished appeal | Begnal, Michael | Article in Journal | | 1971 |
| Eva Gore-Booth's queer art of war | O'Connor, Maureen | Article in Book | | 2016 |
| Eva Gore-Booth, wild rebel | Ryan, Therese | Article in Journal | | 2017 |
| Eva Gore-Booth: an image of such politics | Tiernan, Sonja | Monograph or Collective Volume | Manchester University Press | 2012 |
| Excerpts from Swords Voices 4 | Anonymous | Article in Journal | | 2006 |
| Experimental science in Ireland and the scientific societies | Kelham, J.McMillan, Douglas | Article in Book | | 2000 |
| Explaining Uladh : cultural nationalism in Ulster | Hay, Marnie | Article in Book | | 2004 |
| Ferreting out evil : the records of the Committee on Evil Literature | Quinlan, Tom | Article in Journal | | 1996 |
| Fianna Fáil and Irish labour : 1926 to the present | Allen, Kieran | Monograph or Collective Volume | Pluto | 1997 |
| Fianna Fáil and Partition, 1926-1984 | Gallagher, Tom | Article in Journal | | 1985 |
| Fianna Fáil and the creation of its identity (1926-31) | Jackson, Declan | Article in Journal | | 2003 |
| Fianna Fáil and the evolution of an ambiguous ideology | Puirséil, Niamh | Article in Journal | | 2017 |
| Fianna Fáil and the Irish working class, 1926-38 | Dunphy, Richard | Article in Book | | 2005 |
| Fianna Fáil, partition and Northern Ireland, 1926-1971 | Kelly, Stephen | Monograph or Collective Volume | Irish Academic Press | 2013 |
| Fifty years of Parliament | Asquith, H. H. (Herbert Henry), 1852-1928. | Monograph or Collective Volume | Cassell | 1926 |
| Fighting Fitt | Ryder, Chris | Monograph or Collective Volume | Brehon Press | 2006 |
| Filí faoi sceimhle : Seán Ó Riordáin agus Aogán Ó Rathaille | Ó Tuama, Seán, 1926-2006 | Monograph or Collective Volume | Oifig an tSoláthair | 1978 |
| Foilseacháin an Ghúim : liosta de na leabhair a d'fhoilsigh an Gúm ó 1926 i leith | | Monograph or Collective Volume | An Gúm | 1997 |
| For the record : a history of the national football and hurling league finals | Morrison, Tom | Monograph or Collective Volume | Collins Press | 2002 |
| For what and why? | Spain, John J. | Article in Journal | | 1926 |
| Foreword : the personality of Galway | Mac Lochlainn, Alf, 1926- | Article in Book | | 1996 |
| Foundation of St. Mary's Abbey, Dublin | Lawlor, H. J. (Hugh Jackson), 1860-1938 | Article in Journal | | 1926 |
| Fr Benignus Millett, OFM, 1922-2006 | Anonymous | Article in Journal | | 2006 |
| Fragmentary annals from the west of Ireland | | Article in Journal | | 1926 |
| Francis J. Bigger, the St Winnoc's Pipe Band, culture, Home Rule and a banner commemoration of Roger Casement | Gilmore, Brian | Article in Journal | | 2013 |
| Francis J. Bigger, the St. Winnoc's pipe band, culture, home rule and a banner commemoration of Roger Casement | Gilmore, Brian | Article in Journal | | 2013 |
| Francis Joseph Bigger : Belfast's cultural Don Quixote | Dixon, Roger | Article in Journal | | 1997 |
| Francis Joseph Bigger M.A., M.R.I.A., F.R.S.I. | Gracey, Florence E. | Article in Journal | | 2008 |
| Francis Joseph Bigger, 1863-1926 | Dixon, D. Roger | Monograph or Collective Volume | Belfast Educational and Library Board | 2007 |
| Francis Ysidro Edgeworth | Hicks, John | Article in Journal | | 1983 |
| Francis Ysidro Edgeworth, 1845-1926 | Desmond, Anthony F. | Article in Book | | 2000 |
| Frank Kitson in Northern Ireland and the 'British way' of counterinsurgence | Hughes, James | Article in Journal | | 2014 |
| Franz Schwatschke, 1895-1987. Inventor of electrical motor parts, safety transformers, and chief electrician with the Irish Sugar Company at Carlow 1926-1959 | Schwatschke, John | Article in Journal | | 2018 |
| From Ardmore to Arabia. The brides of Ardmore | Kirwan, Elizabeth | Article in Journal | | 1993 |
| From Bean Chaointe to Fear Léinn : the lament for Art O' Leary | Marren, Julie K. | Article in Journal | | 1993 |
| From Belfast's Sandy Row to Buckingham Palace : the story of John Gibson | Carroll, Valerie | Monograph or Collective Volume | Mercier Press | 1994 |
| From Carlow to the Russian front | Stieber, John | Article in Journal | | 1997 |
| From ethics to economics: F.Y.Edgeworth, 1845-1926 | Conniffe, Denis | Article in Journal | | 2010 |
| From free trade to self-sufficiency | Meenan, James | Article in Book | | 1967 |
| From Hillsborough to Downing Street - and after | Cox, W. Harvey | Article in Book | | 1996 |
| From revolutionaries to politicians : deradicalization and the Irish experience | Ó Beacháin, Donnacha | Article in Journal | | 2003 |
| From the Belfast boycott to the Boundary Commission : fears and hopes in County Monaghan, 1920-1926 | Dooley, Terence A. M. | Article in Journal | | 1994 |
| From the treaty to the civil war | Williams, Desmond T. | Article in Book | | 1968 |
| From Tipperary to Joseph's prairie : the story of Joe Ryan, the seventh man in Hayes Hotel | Mac Lochlainn, Alf, 1926- | Monograph or Collective Volume | Tipperary Historical Society | 2002 |
| From Tipperary to Joseph's Prairie : the story of Joe Ryan, the seventh man in Hayes's Hotel | Mac Lochlainn, Alf, 1926- | Article in Journal | | 2002 |
| Gael and peasant - a case of mistaken identity | Mac Lochlainn, Alf, 1926- | Article in Book | | 1977 |
| Galway Catholic Parish Churches, 1846 | Mac Lochlainn, Alf, 1926- | Article in Journal | | 2003 |
| Garret Fitzgerald : a personal memoir | Lynch, Patrick, 1917-2001 | Article in Book | | 1986 |
| Garret Fitzgerald : critic turned practitioner | Gazzo, Emanuele | Article in Book | | 1986 |
| Garret Fitzgerald and the Fine Gael party | O'Brien, William | Article in Book | | 1986 |
| Garret FitzGerald, 1981-2, 1982-7 | O'Malley, Eoin | Article in Book | | 2025 |
| Garret FitzGerald, 1997- | Manning, Maurice | Article in Book | | 2008 |
| Garret the enigma : Dr Garret FitzGerald | Smith, Raymond | Monograph or Collective Volume | Aherlow Publishers | 1986 |
| General Andrew Thomas McReynolds, hero of the Mexican and Civil Wars | Sweeny, William M. | Article in Journal | | 1926 |
| General Nugent and the Ulster Division in the March 1918 retreat | Perry, Nicholas | Article in Journal | | 1999 |
| Georgianism and the tenements, Dublin 1908-1926 | Crinson, Mark | Article in Book | | 2007 |
| Georgianism and the tenements, Dublin 1908-1926 | Crinson, Mark | Article in Journal | | 2006 |
| Gerry Filt : a political chamelon | Murphy, Michael A. | Monograph or Collective Volume | Mercier Press | 2007 |
| Gerry Fitt and the SDLP : 'In a minority of one' | Campbell, Sarah | Monograph or Collective Volume | Manchester University Press | 2015 |
| Getting their retaliation in first. 1969 and the re-emergence of paramilitary loyalism | Wood, Ian S. | Article in Journal | | 2009 |
| God save Ulster : the religion and politics of Paisleyism | Bruce, Steve | Monograph or Collective Volume | Clarendon Press | 1986 |
| Great Houses in Ashford | Murphy, Laurence | Article in Journal | | 2021 |
| Guys postal directory (Mallow 1926) | Anonymous | Article in Journal | | 1995 |
| Handing away the trump card? Peadar O'Donnell, Fianna Fáil, and the non-payment of Land Annuities campaign, 1926-32 | O'Neill, Timothy M. | Article in Journal | | 2008 |
| Hanne Burke, from pre-war Germany to 21st-century Kilmacud | Burke, Ralph | Article in Journal | | 2015 |
| Healing : my own story : the life and times of an extraordinary man | Parfrey, Bill | Monograph or Collective Volume | Bill Parfrey | 2006 |
| Helen Allingham, the artist, and her Ballyshannon connections | Begley, Anthony | Article in Journal | | 2006 |
| Heroes for a new Ireland : Francis Joseph Bigger and the leaders of the '98 | Dixon, Roger | Article in Book | | 2000 |
| Hiding behind a face : Fine Gael under Fitzgerald | O'Byrne, Stephen | Monograph or Collective Volume | Gill & Macmillan | 1986 |
| Historic passions : the Edgeworths and Edgeworthstown : a rediscovered heritage | Canavan, Bernard | Article in Journal | | 1997 |
| Histories of the Irish future | Fanning, Bryan | Monograph or Collective Volume | Bloomsbury | 2015 |
| History of the town and the county of the town of Galway, from the earliest period to the present time | Hardiman, James | Monograph or Collective Volume | | 1820 |
| How Jeremiah McCaferty led Lord Cornwallis astray | O'Brien, Michael J. | Article in Journal | | 1926 |
| Huguenot wills and administrations in England and Ireland 1617-1849 | | Monograph or Collective Volume | Huguenot Society of Great Britain and Ireland | 2007 |
| Ian Paisley : a life in photographs | Paisley, Ian, Jr. | Monograph or Collective Volume | Ian Paisley Jnr | 2004 |
| Ian Paisley agus Tuaisceart Éireann | Ó Glaisne, Risteárd, 1927-2003 | Monograph or Collective Volume | Cló Morainn | 1971 |
| Ian Paisley and the ideology of Ulster Protestantism | Taylor, David | Article in Book | | 1984 |
| Ian Paisley and the reformed tradition | MacIver, Martha Abele | Article in Journal | | 1987 |
| Ian Paisley, my father | Paisley, Rhonda | Monograph or Collective Volume | Marshall, Morgan & Scott | 1988 |
| Ian Paisley: a critical comment | Southern, Neil | Article in Journal | | 2010 |
| Ideas, Memory, Imagination | Kiberd, Declan | Article in Book | | 2023 |
| Idir Laethannta Gréine agus Na Mairbh a D'fhill: súil sceabhach ar an bhfoilsitheoireacht do dhaoine óga i mblianta tosaigh An Ghúm | Ó Murchú, Seosamh | Article in Book | | 2012 |
| Imaginative literature and the revolution | MacManus, Francis | Article in Book | | 1968 |
| In and around record repositories in Great Britain and Ireland | Church, RosemaryCole, Jean A. (Jean Audrey), 1926- | Monograph or Collective Volume | Family Tree Mag. | 1992 |
| In defence of barmaids : the Gore-Booth sisters take on Winston Churchill | Tiernan, Sonja | Article in Journal | | 2012 |
| In memoriam : Proinsias Mac Cana (1976-2004) | Almqvist, Bo | Article in Journal | | 2004 |
| In memoriam Francis Joseph Bigger, M.A., M.R.I.A., F.R.S.A.I. | C., A.A. | Article in Journal | | 1927 |
| In Memoriam: Garret FitzGerald | Lee, J. J. (John Joseph), 1942- | Article in Journal | | 2011 |
| In the shadow of history : Sinn Féin, 1926-70 | Maillot, Agnès | Monograph or Collective Volume | Manchester University Press | 2015 |
| In the steps of King William : Scottish Orangeism's military foundation | Bryce, David, 1926- | Monograph or Collective Volume | [D. Bryce] | 2006 |
| Intelligent revivalism : the first Feis na nGleann 1904 | Bell, Jonathan | Article in Book | | 1988 |
| International Bibliography of Historical Science, 1- | Anonymous | Monograph or Collective Volume | | 1926 |
| Interpreting the Period 1922 to 1926 in Irish History: Influences and Consequences | Higgins, Michael D. | Article in Book | NA | 2023 |
| Ireland : external relations 1926-1939 | Mansergh, Nicholas, 1910-1991 | Article in Book | | 1967 |
| Ireland and the British Commonwealth : the Dominion Settlement | Mansergh, Nicholas, 1910-1991 | Article in Book | | 1966 |
| Ireland and the English parliament. An imperial phase of the Puritan revolution | Schuyler, R. L. | Article in Journal | | 1926 |
| Ireland on the ball : a complete record of the international matches of the Republic of Ireland soccer team, March 1926 to June 1993 | Cullen, Donal | Monograph or Collective Volume | Elo Publications | 1993 |
| Ireland's Civil War Of Consequences, Losses and Failed Peace Initiatives | Higgins, Michael D. | Article in Book | | 2023 |
| Ireland's New Traditionalists: Fianna Fáil Republicanism and Gender, 1926-1938 | Shonk, Kenneth | Monograph or Collective Volume | Cork University | 2021 |
| Ireland, 1972-84 | Keogh, Dermot | Article in Book | | 2003 |
| Irish carved ornament : from monuments of the Christian period. | Crawford, H. S. | Monograph or Collective Volume | Mercier Press | 1980 |
| Irish Field Club Union. Report of the Conference and Excursion held at Galway, July 11th to 17th, 1895. V. Archaeology | Bigger, Francis Joseph, 1863-1926 | Article in Journal | | 1895 |
| Irish history since the Union | Ross, John | Article in Journal | | 1926 |
| Irish leaders of our time : 1, Tom Clarke | MacDonagh, Donagh | Article in Journal | | 1945 |
| Irish manuscripts in the British Museum | Mac Lochlainn, Alf, 1926- | Article in Journal | | 1955 |
| Irish parliaments in the reign of Edward II | Clarke, Maude Violet, 1892-1935 | Article in Journal | | 1926 |
| Irish pioneers in New Hampshire | O'Brien, Michael J. | Article in Journal | | 1926 |
| Irish printing type-fonts, 1560s-1960s | McGuinne, Dermot | Article in Book | | 2025 |
| Irish radio data : 1926-1980 | Kealy, Alacoque | Monograph or Collective Volume | Radio Telefís Éireann | 1981 |
| Irish schoolmasters in the American colonies | O'Brien, Michael J. | Article in Journal | | 1926 |
| Irish-language book illustration and design, 1893-2010s | Long, Gerard | Article in Book | | 2025 |
| Irish-language journalistic efforts in the late nineteenth and early twentieth centuries in America, England, and Australia | Ní Uigín, Dorothy | Article in Book | | 2025 |
| Irish-language publishing in North America : some Gaelic columns but very few books | Nilsen, Kenneth E. | Article in Book | | 2025 |
| Is Graiguecullen situated in the county of Carlow or Laois? | O'Shea, Sean | Article in Journal | | 2019 |
| Iubhaile Órga Fianna Fáil, the Republican party : 1926-76, and chéad caoga bliáin | Anonymous | Monograph or Collective Volume | Fianna Fáil Party | 1976 |
| J. P. Donleavy's Ireland in all her sins and in some of her graces | Donleavy, J. P. | Monograph or Collective Volume | Joseph in association with Rainbird | 1986 |
| J.G. Swift MacNeill, M.P. Donegal South | Beattie, Seán | Article in Journal | | 2009 |
| J.J. O'Kelly ('Sceilg') and the Catholic Bulletin: cultural considerations, Gaelic, religious and national, c.1898-1926 | Murphy, Brian | Thesis | | 1987 |
| Jackie Connolly, Corran | Connolly, Con | Article in Journal | | 2011 |
| James Joyce on the Galway Harbour Scheme | Mac Lochlainn, Alf, 1926- | Article in Journal | | 2002 |
| James Shipley - master carpenter | O'Reilly-Hyland, Kathleen | Article in Journal | | 2007 |
| James Stephens's personal selection from "Collected Poems" (1926) | MacCarthy, Anne | Article in Journal | | 2008 |
| Jesuit printing and binding in Kilkenny, 1648 | Mac Lochlainn, Alf, 1926- | Article in Journal | | 1995 |
| Jesuits in Hong Kong, South China, and beyond, 1926-2006 | Morrissey, William J. | Monograph or Collective Volume | Xavier Publishing Association | 2008 |
| Jim Cavanagh. 3rd career and counting | Laszko, Mary Kavanagh | Article in Journal | | 2004 |
| John A. Costello, 1891-1976 : compromise Taoiseach | Jordan, Anthony J. | Monograph or Collective Volume | Westport Books | 2007 |
| John Cooney | Counihan, H. E. | Article in Book | | 1996 |
| John M. O'Cahill of Templeglantine and Pentwater, Michigan | Mac Lochlainn, Alf, 1926- | Article in Journal | | 1989 |
| John Traynor, American pioneer | Traynor, John | Article in Journal | | 2020 |
| Joseph Sexton, paper maker | Mac Lochlainn, Alf, 1926- | Article in Journal | | 1981 |
| Joseph Smith Sheehan, a Corkman with a picturesque career | Moorhead, Patricia | Article in Journal | | 2000 |
| Just Garret : tales from the political front line | Fitzgerald, Garret | Monograph or Collective Volume | Liberties Press | 2010 |
| Kate Shelly, an Irish heroine of Iowa | Sullivan, Jerry B. | Article in Journal | | 1926 |
| Kathleen Winifred Hughes 1926-1977 | McKilterick, Rosamund | Article in Book | | 1982 |
| Kathleen Winifred Hughes, 1926-1977 | McKitterick, Rosamond | Article in Book | | 1982 |
| Kevin : a portrait of Archbishop Kevin McNamara | Power, Louis | Monograph or Collective Volume | [s.n.] | 1993 |
| Kilconnell Abbey | Bigger, Francis Joseph, 1863-1926 | Article in Journal | | 1903 |
| Kildare County Council, 1899-1926 | Nelson, Thomas | Thesis | | 2007 |
| Killymurris colliery : a nineteenth century lignite mine | Montgomery, Ian | Article in Journal | | 2001 |
| King's Inn and the foundation of the Inn of Court of Northern Ireland : the northern perspective | Hart, A. H. | Article in Book | | 2013 |
| Kitson's Irish war : mastermind of the dirty war in Ireland | Burke, David | Monograph or Collective Volume | Mercier Press | 2021 |
| L'État libre, l'Eire at la subversion du Sinn Féin, 1926-1948 | Maillot, Agnès | Article in Journal | | 2015 |
| L'expédition de Niall aux neuf Otages en Gaule et la trésor de Traprainlaw | Loth, Joseph | Article in Journal | | 1926 |
| Labour and the political revolution | Nevin, Donal | Article in Book | | 1967 |
| Labour lives no. 6 : Eva Gore-Booth | Clancy, Deirdre | Article in Journal | | 2004 |
| Land and Liam O'Flaherty | Costello, Peter | Article in Book | | 2000 |
| Land and people, c.1926 | Gillmor, Desmond A. | Article in Book | | 2003 |
| Land bounty certificates in Virginia | O'Brien, Michael J. | Article in Journal | | 1926 |
| Land, men and beliefs; studies in early modern history | Aylmer, Gerald Edward, 1926-2000Cooper, John PhillipsMorrill, John Stephen, 1946- | Monograph or Collective Volume | Hambledon | 1984 |
| Language maintenance and language shift as strategies of social reproduction : Irish in the Corca Dhuibhne Gaeltacht, 1926-1986 | Ó Riagáin, Pádraig | Monograph or Collective Volume | Institiúid Teangeolaíochta Éireann | 1992 |
| Law in Ireland, 1916-26 | Osborough, W. N. (William Nial) | Article in Journal | | 1972 |
| Leitrim County Library : history, authors and books | Conefrey, Mary | Article in Book | | 2019 |
| Lemuel Gulliver's children | Thompson, Mary Shine | Article in Book | | 2008 |
| Leonard's progress : Hugh Leonard at the Dublin Theatre Festival | Pine, Emilie | Article in Book | | 2008 |
| Leopardstown Park Hospital 1917-2017 : a home for wounded soldiers | Kinsella, Eoin | Monograph or Collective Volume | Leopardstown Park Hospital | 2017 |
| Lessons from the bench : reflections on a career spent in Ireland's criminal courts | Hussey, Gillian | Monograph or Collective Volume | Gill Books | 2022 |
| Letter from Domnal O'Neill to Fieneen Mac Carthy, 1317 | | Article in Journal | | 1926 |
| Liberté, égalité, sororité: the poetics of suffrage in the work of Eva Gore-Booth and Constance Markievicz | Arrington, Lauren | Article in Book | | 2016 |
| Life writing and nation-building in midcentury Ireland: the Memoirs of Leland Bardwell and Hugo Hamilton | Keating-Miller, Jennifer
| Article in Journal | | 2014 |
| Lifeboats on the Boyne 1856-1926 | McKenna, Patsy | Article in Journal | | 1992 |
| List of books and articles on the economic history of Great Britain and Ireland (published 1925 and 1926) | Anonymous | Article in Journal | | 1927 |
| Lord Londonderry and education reform in 1920s Northern Ireland | Fleming, Neil C. | Article in Journal | | 2001 |
| Love letters to a lady : Letters to Lady Castletown from Justice Oliver Wendell Homes, 1896-1926 | Power, Ita | Article in Journal | | 1993 |
| Loyalists and loyalism in a southern Irish community, 1921–1922 | Hughes, Brian | Article in Journal | | 2016 |
| Mainly pedagogy-driven : Irish-language publishing in the Irish-American diaspora, 1870s-2010s | Ó hÍde, Tomás | Article in Book | | 2025 |
| Máirtín Ó Cadhain, an stair agus an pholaitíocht : athmhachnamh | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | NA | 2007 |
| Major-General Oliver Nugent and the Ulster Division 1915-1918 | Nugent, Oliver Stewart Wood, Sir, d. 1926Perry, Nicholas | Monograph or Collective Volume | Sutton Publishing for the Army Records Society | 2007 |
| Major-General Richard Montgomery | O'Reilly, Vincent F. (Fleming) | Article in Journal | | 1926 |
| Making an entrance | Kavanagh, Ros | Article in Journal | | 2007 |
| Making history in Belfast : the tale of Francis Joseph Bigger, Samuel Shannon Millin and Waddell Cunningham | Rodgers, Nini | Article in Book | | 2004 |
| Making my mark : an artist's early life | MacIntyre, James, 1926- | Monograph or Collective Volume | Blackstaff Press | 2001 |
| Mallow miscellany | Crowlay, Seamus | Article in Journal | | 2014 |
| Margaret Thatcher's Irish legacy : the background and significance of the Anglo-Irish agreement | O'Brien, Martin | Article in Book | | 1995 |
| Marriage and fertility in the Republic of Ireland since 1926 : some geographical considerations | Coward, John | Thesis | | |
| Marriage notices published in the South Carolina Gazette | O'Brien, Michael J. | Article in Journal | | 1926 |
| Martin Burke of the Shelborne Hotel | Neenan, Michael | Article in Journal | | 1994 |
| Medicalizing the female reproductive cycle in rural ireland, 1926-56 | Breathnach, Ciara | Article in Journal | | 2012 |
| Memoirs of Senator James G. Douglas (1887-1954) : concerned citizen | | Monograph or Collective Volume | University College Dublin Press | 1998 |
| Men, microscopes and meetings - the nineteenth century Dublin microscopists and their work | Baker, Richard A.Gill, Denis | Article in Journal | | 2017 |
| Michael Collins and the making of a new Ireland | Béaslaí, Piaras S., 1881-1965 | Monograph or Collective Volume | [s.n.] | 1926 |
| Michael Joseph Merrigan, 1926-1994 | Merrigan, Michael | Article in Journal | | 1995 |
| Middleton Westenra Biddulph, 1849–1926 | Byrne, Michael | Monograph or Collective Volume | | 2023 |
| Miontuairiscí Choimisiún na Gaeltachta 1926: Léargas ar chleachtas agus ar chreidimh theanga i gCo. Phort Láirge | Ó Duinn, Gearóid | Article in Journal | | 2015 |
| Miscellanea : some place-names in Larkin's 1819 map of Galway | Mac Lochlainn, Alf, 1926- | Article in Journal | | 1998 |
| Modernism, drama and the audience for Irish spectacle | Reynolds, Paige | Monograph or Collective Volume | Cambridge University Press | 2007 |
| Monarchism, international relations, and the continuing Irish revolution, 1926–29 | Hanley, Hugh | Article in Journal | | 2021 |
| Moss Twomey, radicalism and the IRA, 1931-33 : a reassessment | Hanley, Brian | Article in Journal | | 2001 |
| Music and broadcasting in Ireland | Pine, Richard | Monograph or Collective Volume | Four Courts | 2005 |
| Music hall dope and British propaganda? : Cultural identity and early broadcasting in Ireland | McLoone, Martin | Article in Journal | | 2000 |
| New Nationalism? The Origins of the SDLP, 1969-1974 | Campbell, Sarah | Thesis | | 2010 |
| Nods to tradition and signposts to a future Leabhar Mór na hÉireann (1991) and An Leabhar Mòr (2002) | Dorgan, Theo | Article in Book | NA | 2025 |
| Noel Griffin, Waterford Glass and the Moscow Olympic boycott of 1980 | Hunt, Tom | Article in Journal | | 2016 |
| Norman Garstin : Irishman and Newlyn artist | Pryke, Richard | Monograph or Collective Volume | Spire Books | 2005 |
| Note on the church of St. Michan, Dublin | Lawlor, H. J. (Hugh Jackson), 1860-1938 | Article in Journal | | 1926 |
| Note. Posthumous reinstatement of Lord Dunraven, victim of the recruitment controversy | Anonymous | Article in Journal | | 2007 |
| Notes on episcopal succession in Ireland under Richard II | Curtis, Edmund, 1881-1943 | Article in Journal | | 1926 |
| Nua-fhilí agus an sean-scéal céanna | Nic Aodha, Aifric | Article in Book | | 2020 |
| Oats, Ash and Osiers : Christopher Sullivan (1926-98) | Kinmouth, Claudia | Article in Journal | | 2000 |
| Obituaries : Liam de Paor, M.A., M.R.I.A., H.R.H.A., (1926-1998) | Manning, Conleth | Article in Journal | | 1999 |
| Obituaries.John Jack Flynn, 2-8-1926 - 18-1-2014 | Timoney, Martin A. | Article in Journal | | 2015 |
| Obituary : Liam De Paor - scholar, communicator, broadcaster and populariser | W., P. F. | Article in Journal | | 1998 |
| Obituary notices in the Providence, Rhode Island, newspapers | O'Brien, Michael J. | Article in Journal | | 1926 |
| Obituary. Dr Francis J. MacKiernan (1926-2005) | Kelly, Liam | Article in Journal | | 2005 |
| Obituary. Gerry Fitt | Murphy, Michael | Article in Journal | | 2007 |
| Obituary. Martin J. Kelly | Crawford, Hugh | Article in Journal | | 2015 |
| Obituary. W.R. (Bill) Perrott 1926-2004 | Anonymous | Article in Journal | | 2004 |
| Obituary: Fr John Silke | O'Sullivan, Timothy | Article in Journal | | 2016 |
| Old English plate : ecclesiastical, decorative and domestic : its makers and marks. | Cripps, W. J. | Monograph or Collective Volume | | 1967 |
| Oliver Nugent and the Ulster Division on 1 July 1916 | Perry, Nicholas | Article in Journal | | 2017 |
| Oliver Nugent, the gentry and the Great War | Perry, Nicholas | Article in Book | | 2014 |
| On the colophons and marginalia of Irish scribes | Plummer, Charles | Article in Journal | | 1926 |
| Our neglected heritage | Curran, C.P. | Article in Book | | 2016 |
| P.F. Johnson, nationalism, and Irish rural labourers, 1869-82 | Lane, Fintan | Article in Journal | | 2002 |
| Paddy bogside | Doherty, PatrickHegarty, Peter | Monograph or Collective Volume | Mercier Press | 2001 |
| Paddy Mo : the life of Patrick Moriarty, 1926-1997 | McCrohan, Owen | Monograph or Collective Volume | Lilliput | 2008 |
| Pádraig Mac Píarais | Ó Searchaigh, Séamus | Monograph or Collective Volume | Oifig an tSoláthair | 1938 |
| Paisley | | Monograph or Collective Volume | Poolbeg | 1986 |
| Paisley | Maloney, EdPollak, Andy | Monograph or Collective Volume | Poolbeg | 1986 |
| Paisley - Le Pen | Goldring, Maurice | Article in Book | | 1991 |
| Paisley : from demagogue to democrat? | Moloney, Ed, 1948- | Monograph or Collective Volume | Poolbeg | 2008 |
| Paisley : man of wrath | Marrinan, Patrick | Monograph or Collective Volume | Anvil Books | 1973 |
| Paisley : religion and politics in Northern Ireland | Bruce, Steve | Monograph or Collective Volume | Oxford University Press | 2007 |
| Paisley : religion and politics in Northern Ireland | Bruce, Steve | Monograph or Collective Volume | Oxford University Press | 2007 |
| Paisley and the Provos | Rowan, Brian | Monograph or Collective Volume | Brehon Press | 2005 |
| Paisleyism : a theological inquiry | Southern, Neil | Article in Book | | 2012 |
| Papers at Petworth House | Mac Lochlainn, Alf, 1926- | Article in Journal | | 1966 |
| Parliamentary party discipline and tactics : the Fianna Fáil archives, 1926-32 | O'Halpin, Eunan | Article in Journal | | 1997 |
| Parnell | Rylett, Harold | Article in Journal | | 1926 |
| Parnell : the last five years, told from within | Robbins, A. F., Sir | Monograph or Collective Volume | | 1926 |
| Partition : the Ulster question (1916-1926) | Wall, Maureen (née Mac Geehin) | Article in Book | | 1968 |
| Past skills: the art of making wooden pumps | Power, John | Article in Journal | | 2009 |
| Patrick McCloskey (Jack) and Nancy Farren of Cashel - and a search for a missing son! | Farren, Hugh | Article in Journal | | 2017 |
| Patriot traitors : Roger Casement, John Amery and the real meaning of treason | Weale, Adrian | Monograph or Collective Volume | Viking | 2001 |
| Performances of Irishness at New York's Gaelic Park | Brady, Sara | Article in Journal | | 2005 |
| Persecuting zeal : a portrait of Ian Paisley | Cooke, Dennis | Monograph or Collective Volume | Brandon | 1996 |
| Peter Golden : the voice of Ireland : a biography | Herlihy, Jim | Monograph or Collective Volume | Peter Golden Commemoration Committee | 1994 |
| Picturing Gulliver | Coghlan, Valerie | Article in Book | | 2008 |
| Pioneer Irish families in Virginia, the Meades and Sullivans | O'Brien, Michael J. | Article in Journal | | 1926 |
| Place names in the parish of Agheraderg | Trainor, Brian | Article in Journal | | 1980 |
| Plot and counterplot in Elizabethan Ireland | Butler, W. J. | Article in Journal | | 1926 |
| Poetry by women in Ireland : a critical anthology 1870-1970 | | Monograph or Collective Volume | Liverpool University Press | 2012 |
| Politics, education and religion in the age of revolution : Bishop Patrick Foley of Kildare and Leighlin, 1896-1926 | McGrath, Thomas | Article in Book | | 2008 |
| Population change and redistribution in Ireland, 1926-2006 | Meredith, David | Article in Journal | | 2006 |
| Population, economy and place in Kerry | Walsh, James A. ; Ó Caoimh, Breandán | Article in Book | | 2020 |
| Praying for Paisley – Fr Gerry Reynolds and the role of prayer in faith-based peacebuilding : a preliminary theoretical framework | Ganiel, Gladys | Article in Journal | | 2021 |
| President Cosgrave's last administration | Nowlan, Kevin B. | Article in Book | | 1967 |
| Profiles of early members. | | Article in Journal | | 2008 |
| Proinsias Mac Cana (1926–2004): scoláire cumasach ilghnéitheach. | Mac Mathúna, Séamus | Article in Book | | 2018 |
| Protestant depopulation in County Longford during the Irish Revolution, 1911–1926 | Coleman, Marie | Article in Journal | | 2019 |
| Protestant millenialism, political violence and the Ulster cobnflict | Gribben, Crawford | Article in Journal | | 2007 |
| Protestant politics and society in Co. Monaghan, 1911-26 | Dooley, Terence Anthony Martin | Thesis | | 1986 |
| Protestant population decline in southern Ireland, 1911-1926 | Wood, Donald | Article in Book | | 2020 |
| Protestant population decline in Westport, 1911-1926 | Roughneen, Simon | Article in Journal | | 2000 |
| Public administration, 1927-1936 | Barrington, T. J. | Article in Book | | 1967 |
| Publications relevant to place-name study | Ulster Place-Name Society Council | Article in Journal | | 1981 |
| R. F. G. Holmes : a checklist of his writings, 1965-2002 | Erskine, John | Article in Book | | 2002 |
| Radio Éireann agus saothrú an tsean-nóis in iarthar Uladh: léargas ar na chéadiarrachtaí a rinne Radio Éireann sa ghort an Saibhreas seo a chruinniú agus a chraoladh don phobal | Lee, Ian | Article in Book | | 2016 |
| Raphoe Diocesan Archives | Hughes, Moira | Article in Journal | | 2017 |
| Rathrobin and the two Irelands | Byrne, Michael | Monograph or Collective Volume | Esker Press (Offaly Historical and Archaeological Society) | 2021 |
| Rathrobin and the two Irelands : the photographs of Middleton Biddulph, 1900–1920 | Byrne, Michael | Monograph or Collective Volume | Esker Press | 2021 |
| Readership in French : the Irish experience | Kennedy, Máire | Article in Book | | 1999 |
| Reading Gulliver : essays in celebration of Jonathan Swift's classic | Ross, Ian Campbell | Monograph or Collective Volume | Dublin City Public Libraries | 2008 |
| Recent geographical literature relating to Ireland | Tyrell, J. G. | Article in Journal | | 1982 |
| Red-headed rebel : Susan L. Mitchell, poet and mystic of the Irish cultural renaissance | Pyle, Hilary | Monograph or Collective Volume | Woodfield Press | 1998 |
| Reflections on recent Irish-American literature : J. P. Donleavy's vision of Irish America | Smith, Herbert J. | Article in Journal | | 1983 |
| Regional and local museums in England, Wales and Northern Ireland | Wallis, F. S. | Article in Journal | | 1956 |
| Religion and violence : Paisley and Ulster evangelicals | Bruce, Steve | Article in Book | | 2004 |
| Remembering Paddy Rochford | | Article in Journal | | 2020 |
| Remembrance of things past : Saintfield 60 years ago | Minnis, C. M. | Article in Journal | | 1986 |
| Reminiscences of a journalist [Maurice Lenihan] | Lenihan, Maurice,Mac Lochlainn, Alf, 1926- | Article in Journal | | 1994 |
| Renowned Irish jockey killed in fatal accident | Tierney, Anne | Article in Journal | | 2016 |
| Returning the gaze : men and masculinities in the Dánta Grádha | Neville, Grace | Article in Journal | | 1999 |
| Review article. Irish legal history of the twentieth century | O'Donnell, Donal | Article in Journal | | 2016 |
| Review article. The cult of the sacred centre | Sayers, William | Article in Journal | | 2013 |
| Review article. Who do we think we are? Sixty years in the genealogy game | Mullanm, Fintan | Article in Journal | | 2016 |
| Revisiting F. J. Bigger: A 'fin-de-siecle' flourish of antiquarian-folklore scholarship in Ulster | Beiner, Guy | Article in Journal | | 2012 |
| Revolutionary Ireland : a photographic record | Morrison, George | Monograph or Collective Volume | Gill & Macmillan | 2013 |
| RFGH : a personal profile | McIvor, Stanley | Article in Book | | 2002 |
| Richard Osborne at Limerick | Murray, K. A. | Article in Journal | | 1995 |
| Roddy Connolly and the Workers' Party of Ireland in 1926 | Maguire, Charlie | Article in Journal | | 2005 |
| Royalists, rebels and revolutionists: a history of County Cavan's revolution, 1912 - 1923 | Farrelly, Johann | Monograph or Collective Volume | Cavan County Council's Library Service | 2019 |
| Rural life | O'Neill, Thomas Patrick | Article in Book | | 1957 |
| Rural women of 1916 : some biographies and contexts | Clancy, Mary | Article in Book | | 2016 |
| Saoi na hÉigse : Aistí in ómós do Sheán Ó Tuama | | Monograph or Collective Volume | An Clóchomhar | 2000 |
| Scéal i mBarr Bata? | Mac Lochlainn, Alf, 1926- | Article in Journal | | 2010 |
| Seán Ó Nualláin (Born 17 October 1926, died 18 July 2006) | Walsh, Paul | Article in Journal | | 2006 |
| Seán Ó Nualláin, 1926-2006 | Cody, EamonWalsh, Paul | Article in Journal | | 2006 |
| Seán Ó Tuama and Irish Gaelic in the twentieth century | Blake Séamus | Article in Journal | | 2011 |
| Seán Ó Tuama and Irish Gaelic in the Twentieth Century | Blake, Séamus | Article in Journal | | 2011 |
| Sean O'Casey, le Dublinois en révolte | Goldring, Maurice | Article in Book | | 1991 |
| Second wave feminism in Ireland : reflections of then and challenges for now - one activist's perspective | Healy, Grainne | Article in Book | Arlen House | 2015 |
| Select documents XLVI. ‘Unofficial emissaries’ : British army boxers in the Irish Free State, 1926 | | Article in Journal | | 1996 |
| Selling Irish bacon : the Empire Marketing Board and artists of the Free State | Cronin, Mike | Article in Journal | | 2004 |
| Seoda an Ghúim | Titley, Alan | Article in Book | | 2020 |
| Shankill Castle and the Butlers | Walton, Julian | Article in Journal | | 1982 |
| Signe Toksvig's Irish diaries, 1926-1937 | Pihl, LisToksvig, Signe, 1891-1983 | Monograph or Collective Volume | Lilliput Press | 1994 |
| Sinn Féin policy and practice (1916-1926) | Ryan, Desmond | Article in Book | | 1968 |
| Sketches of old Dublin | Curtis, Joe | Monograph or Collective Volume | First Return Press | 2022 |
| Social life in county Clare, 1800-1850 | Mac Lochlainn, Alf, 1926- | Article in Journal | | 1972 |
| Social life in County Clare, 1800-50 | Mac Lochlainn, Alf, 1926- | Article in Journal | | 1972 |
| Social life in Ireland 1927-1937 | White, Terence De Vere | Article in Book | | 1967 |
| Some thoughts on Gulliver's travels | Carpenter, Andrew | Article in Book | | 2008 |
| Sport, recreation and physical education : the evolution of a national policy of regeneration in Eire, 1926-48 | O'Donoghue, Thomas A., 1953- | Article in Journal | | 1986 |
| St MacDaras church and pilgrimage | Bigger, Francis Joseph, 1863-1926 | Article in Journal | | 1995 |
| St. Ann's : the church in the heart of the city | Poyntz, S(amuel) G(reenfield) | Monograph or Collective Volume | Representative Church Body Library | 1976 |
| St. Joseph's Academy, Muine Bheag 1896-1926 | Kavanagh, P. J. | Article in Journal | | 2005 |
| St. Joseph's Academy, Muine Bheag, 1896-1926 | Kavanagh, P. J. | Article in Journal | | 1980 |
| St. Patrick's day 1628 in Witham, Essex | Aylmer, Gerald Edward, 1926-2000 | Article in Journal | | 1973 |
| Steering clear : broadcasting and the Church, 1926-1951 | Lynch, Brian | Article in Journal | | 2000 |
| Struggle or starve : Derry unemployed workers' movements 1926-35 | Ó Catháin, Máirtín | Article in Journal | | 2003 |
| Stuart Lennox Robinson, playwright (1886-1958). Part 2 "The Big House": Readings from Robinson's playscript of 1926 | Hamilton, Pádraig | Article in Journal | | 2010 |
| Sunningdale and the 1974 Ulster workers' Council strike | Gillespie, Gordon | Article in Journal | | 2007 |
| Susan L. Mitchell | Kain, Richard | Monograph or Collective Volume | Bucknell University Press | 1972 |
| Susan Mitchell | Guckian, Mary | Article in Journal | | 1998 |
| Swift and Dublin | Ross, Ian Campbell | Article in Book | | 2008 |
| TG4 | Ó Ciardha, Pádhraic | Article in Journal | | 2012 |
| The "Christian Society" of Garret Fitzgerald and Pierre Elliott Trudeau | Dunlop, Joseph | Article in Journal | | 2009 |
| The "Irish Elk" | Scharff, R.F. | Article in Journal | | 1926 |
| The "prophet" of interposition : the Reverend Ian Paisley and American segregation | Jordan, Richard L. | Article in Journal | | 2011 |
| The 'new' church at Shanballymore | Condon, Gerard | Article in Journal | | 2009 |
| The 'Tossmania' : an anthology of Irish poetic imaginings of Australia | Harvey, Philip | Article in Journal | | 2007 |
| The 1926 Imperial Conference and Kevin O'Higgins's proposals for a dual monarchy | | Article in Journal | | 2013 |
| The 4th Earl of Dunraven (1841-1926) : local realities and 'conciliation' politics | Spillane, Michael V. | Article in Book | | 2009 |
| The Amendments to the Constitution Committee 1926 | Fay, Patrick | Article in Journal | | 1978 |
| The archives of Ballinrobe Poor Law Union | McWalter, Patria | Article in Journal | | 2000 |
| The Armenian visits Dublin | | Article in Journal | | 1945 |
| The ballot not the bullet: the Northern Ireland Social Democratic and Labour Party | McAllister, Ian | Thesis | | |
| The birth and growth of the Transport Workers Union | O'Reilly, Gerald | Monograph or Collective Volume | [The author] | #|- |
| The blueshirts | Thornley, David | Article in Book | | 1967 |
| The Book of Common Prayer 1926 | Turner, Edgar | Article in Book | | 2004 |
| The castle of Ballynacargy | Ó Mórdha, Séamas P. | Article in Journal | | 1981 |
| The castle of Enniskillen | Lawlor, H.C. | Article in Journal | | 1926 |
| The Catalan separatist insurrection armament of 1926 in the shadow of the Irish armed decade | Esculies, Joan | Article in Journal | | 2024 |
| The Celtic story : 75 years of Celtic linen, 1926-2001 | Scallan, Eithne | Monograph or Collective Volume | Celtic Linen | 2002 |
| The conduct of the Anglo-Irish war, 1919-1921 | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Book | | 1968 |
| The coronation in county Down | McKenna, Linda | Article in Journal | | 2002 |
| The creation of Northern Ireland, 1920-1926 | Follis, Bryan Andrew | Thesis | | 1990 |
| The creation of RTE and the impact of television | Mac Conghail, Muiris | Article in Book | | 1984 |
| The Democratic Unionist Party : from protest to power | Braniff, MaireHennessey, ThomasMcAuley, James W.Tonge, JonathanWhiting, Sophie | Monograph or Collective Volume | Oxford University Press | 2014 |
| The dissimilarity of ancient Irish magic from that of the Anglo-Saxons | Bonser, Wilfrid | Article in Journal | | 1926 |
| The Donegal Olpherts ('Dum Spiro Spero') : With a Summary of Irish History 1169- 1926 | Greene, Eugene | Monograph or Collective Volume | Eugene Greene | 20 |
| The Drumcollogher cinema tragedy | Keating, Barney | Article in Journal | | 1980 |
| The Easter Proclamation 1916 : A comparative analysis | de Paor, Liam | Monograph or Collective Volume | Four Courts Press in association with the Irish Labour Party | 2016 |
| The Edgeworths | Meade, Miriam Hyland | Article in Journal | | 1990 |
| The Edgeworths (part 2) | Meade, Miriam Hyland | Article in Journal | | 1991 |
| The fall of the house of Paisley | Gordon, David | Monograph or Collective Volume | Gill & Macmillan | 2009 |
| The first agricultural broadcasts on 2RN | Lynch, Brian | Article in Journal | | 1999 |
| The first British Labour Government and the Irish Boundary Commission 1924 | Gibbons, Ivan | Article in Journal | | 2009 |
| The first duke of Ormond as patron and administrator | Aylmer, Gerald Edward, 1926-2000 | Article in Book | | 2000 |
| The forgotten Irish : Irish emigrant experiences in America | Shiels, Damian | Monograph or Collective Volume | History Press Ireland | 2016 |
| The forgotten Peterhead men. Longford-Leitrin links with the Border Raids of 1922 | Brady, Gerry | Article in Journal | | 2007 |
| The fourth earl of Dunraven, 1841-1926 : a study of his contribution to the emerging Ireland at the beginning of the twentieth century | Spillane, Michael V. | Thesis | | 2003 |
| The Francis Bacon catalogue Raisonne | Ades, Dawn | Article in Journal | | 2018 |
| The Franciscan friary in Cavan : St Mary's Abbey, Cavan | MacKiernan, Francis J., 1926-2005 | Monograph or Collective Volume | Cumann Seanchais Bhréifne (Bréifne Historical Society) | 2000 |
| The Franciscan friary of Kilconnell | Bigger, Francis Joseph, 1863-1926 | Article in Journal | | 1902 |
| The Franciscan friary of Killconnell in the County of Galway : its history and its ruins | Bigger, Francis Joseph, 1863-1926 | Article in Journal | | 1900 |
| The GAA and Radio Éireann, 1926 - 2010 : the story of the commentators who broadcast Gaelic Games | Guthrie, Patrick P. | Monograph or Collective Volume | The Author | 2013 |
| The Galway Gaeltacht 1926-1981 : a socio-linguistic study of continuity and change | Ó Riagáin, Pádraig | Article in Book | | 1996 |
| The genesis of the Balfour Declaration of 1926 | Hall, Hessel Duncan | Article in Journal | | 1962 |
| The ghost in the house : colonial consequences in Elizabeth Bowen's Bowen's Court (1942) and "The Back Drawing-Room" (1926) | Corcoran, Neil | Article in Journal | | 2002 |
| The Harvey-Waddy connection | Waddy, J. L. | Article in Journal | | 1980 |
| The Hibernian Society of Charleston, South Carolina | Cosgrove, John I. | Article in Journal | | 1926 |
| The Historical Manuscripts Commission and the Franciscan manuscripts | Gillespie, Raymond | Article in Journal | | 2007 |
| The history of an Irish book | Ó Cróinín, Dáibhí | Article in Book | | 2015 |
| The history of the Ginger Man | Donleavy, J. P. | Monograph or Collective Volume | Viking | 1994 |
| The iconic book in Ireland, 1891-1930 | Bowe, Nicola Gordon | Article in Book | | 2011 |
| The impact of partition: a case study of County Monaghan, 1910-1926 | Carville, Ann | Thesis | | 1990 |
| The impact of the partition crisis on Cavan and Monaghan, 1914-1926 | Donohue, John Anthony | Thesis | | 1999 |
| The imperial factor in the Liberal decline, 1880-1885 | Marshall, Peter, 1926- | Article in Book | NA | 1973 |
| The Indignant Muse : poetry and songs of the Irish revolution 1887-1926 | | Monograph or Collective Volume | Lilliput Press | 2016 |
| The influence of Jonathan Swift on Anglo-Irish writing | Evans, Eibhlín | Article in Book | | 2008 |
| The influential role of the Catholic clergy in Carlow during the Revolutionary Era | Bolger, Judy | Article in Journal | | 2017 |
| The IRA : 1926-1936 | Hanley, Brian | Monograph or Collective Volume | Four Courts | 2002 |
| The IRA under Moss Twomey, 1926-1936 | Hanley, Brian | Thesis | | 2002 |
| The Irish character in print 1571-1923 | Lynam, Edward W.Mac Lochlainn, Alf, 1926- | Monograph or Collective Volume | Irish University Press | 1968 |
| The Irish immigrants' contribution to Scottish socialism 1880-1926 | Young, James D. | Article in Journal | | 1988 |
| The Irish in Charleston, South Carolina | O'Brien, Michael J. | Article in Journal | | 1926 |
| The Irish language in Clare and north Tipperary, 1820 : Bishop Mant's enquiry | Mac Lochlainn, Alf, 1926- | Article in Journal | | 1975 |
| The Irish language on the railways : An Ghaeilge 'sna bóithre iarainn | Moriarty, Tim | Article in Journal | | 2007 |
| The Irish question in British politics (1916-1922) | Mowat, Charles Loch, 1911- | Article in Book | | 1968 |
| The Irish staple organisation in the reign of James I | O'Brien, George, 1892-1973 | Article in Journal | | 1926 |
| The Irish Struggle 1916-1926 | | Monograph or Collective Volume | Routledge & Kegan Paul | 1968 |
| The Irish sugar industry in Carlow | O'Hara, Anne | Article in Journal | | 2008 |
| The journals of the House of Commons : an important source of Irish paper-making history | Kennedy, DesmondMac Lochlainn, Alf, 1926- | Article in Journal | | 1960 |
| The land annuities agitation in Ireland, 1926-32 | Gahan, David | Thesis | | 2017 |
| The last of the White-Abbey, in the parish of Carnmoney and county of Antrim, adjoining the city of Belfast | Bigger, Francis Joseph, 1863-1926 | Article in Journal | | 1926 |
| The law school's early professoriate | Osborough, W. N. (William Nial) | Article in Journal | | 2011 |
| The libelle of Englyshe polycye : A poem on the use of sea-power, 1436 | | Monograph or Collective Volume | | 1926 |
| The library and reading of Jonathan Swift : a bio-bibliographical handbook | Passmann, Dirk F.Vienken, Heinz J. | Monograph or Collective Volume | Peter Lang | 2003 |
| The literature of the period | MacManus, Francis | Article in Book | | 1967 |
| The long retreat : Protestants, economy and society, 1660-1926 | Graham, MarkKennedy, Liam, 1946-Miller, Kerby A. | Article in Book | | 1991 |
| The mauve decade : American life at the end of the nineteenth century | Beer, Thomas | Monograph or Collective Volume | Garden City | 1926 |
| The melting pot - Irish footsteps in New Jersey | Mahony, William H. | Article in Journal | | 1926 |
| The Middle Church of Ballinderry and Bishop Jeremy Taylor | Bigger, Francis Joseph, 1863-1926Fennell, William J. | Monograph or Collective Volume | Marcus Ward | c. 1910 |
| The minority problem in the 26 counties | Lyons, F. S. L. (Francis Stewart Leland) | Article in Book | | 1967 |
| The modern Irish drama. V 6 : the years of O'Casey, 1921-1926 | Hogan, Robert | Monograph or Collective Volume | Dolmen Press | 1984 |
| The Myriad-Minded Woman: public and private worlds in the journalism of Susan L. Mitchell | McPherson, D.A.J. | Article in Journal | | 2010 |
| The National Library of Ireland 1877-1977 | Mac Lochlainn, Alf, 1926- | Article in Journal | | 1977 |
| The new Irish state and the decline of the republican Sinn Féin party, 1923-26 | Pyne, Peter | Article in Journal | | 1976 |
| The Northern Ireland civil rights movement | Purdie, Bob | Article in Book | | 1995 |
| The Northern Ireland government, the 'Paisleyite movement' and Ulster Unionism in 1966 | O'Callaghan, MargaretO'Donnell, Catherine | Article in Journal | | 2007 |
| The oak tree and the olive tree | Barone, Rosangela | Article in Journal | | 2004 |
| The oak tree and the olive tree : the true dream of Eva Gore-Booth | Barone, Rosangela | Monograph or Collective Volume | Edizioni Dal Sud | 1991 |
| The origins of the Irish rising of 1916 | Martin, F. X. (Francis Xavier), 1922-2000 | Article in Book | | 1968 |
| The Paisleyites : from protest movement to electoral breakthrough | Greer, James | Article in Journal | | 2009 |
| The Parnell of real life | O'Brien, William | Monograph or Collective Volume | | 1926 |
| The passing of the Irish parliamentary party (1916-1918) | Lyons, F. S. L. (Francis Stewart Leland) | Article in Book | | 1968 |
| The People's Hall | Donegan, Michael | Article in Journal | | 2003 |
| The plebians revise the uprising : Sean O'Casey and 1916 | Kiberd, Declan | Article in Book | NA | 1994 |
| The plight of Monaghan Protestants, 1911-26 | Dooley, Terence A. M. | Article in Book | | 2002 |
| The plight of Monaghan protestants, 1912-1926 | Dooley, Terence A. M. | Monograph or Collective Volume | Irish Academic Press | 2000 |
| The political economy of industrial location : The Ford Motor Company at Cork, 1912-26 | Jacobson, D. S. | Article in Book | | 2003 |
| The political economy of industrial location : the Ford motor company at Cork, 1912-26 | Jacobson, D. S. | Article in Journal | | 1977 |
| The political economy of industrial locations : the Ford motor company at Cork, 1912-26 | Jacobsson, D. | Article in Journal | | 1977 |
| The political scene in Northern Ireland, 1926-1937 | McCracken, J. L. | Article in Book | | 1967 |
| The political writings of Eva Gore-Booth | | Monograph or Collective Volume | Manchester UP | 2015 |
| The portrait artist as a young man : letters of Bernard Mulrenin, 1825-34 | Mac Lochlainn, Alf, 1926- | Article in Book | | 1993 |
| The propaganda of Na Fianna Éireann, 1909-26 | Hay, Marnie | Article in Book | | 2011 |
| The Protestant experience of revolution in southern Ireland | Hart, Peter, 1963-2010 | Article in Book | | 1996 |
| The Queen was in the parlour... | Lynch, Brian | Article in Journal | | 2011 |
| The R.T.E. book | Radio Telefís Éireann | Monograph or Collective Volume | Town House in association with R.T.E. | 1989 |
| The reception of The plough and the stars | Holloway, Joseph | Article in Book | | 2016 |
| The Reformation in Dublin, 1536-1558 (from original sources) | Ronan, Myles V. (Myles Vincent) | Monograph or Collective Volume | Longmans, Green | 1926 |
| The Religion and Politics of Paisleyism | Mitchel, Patrick | Article in Book | Oxford University Press | 2024 |
| The revolution in Ireland, 1906-1923 | Phillips, W. Alison (Walter Alison), 1864-1950 | Monograph or Collective Volume | Longmans | 1926 |
| The Ring fishing industry 1890-1926 | O'Donohue, Thomas a. | Article in Journal | | 1981 |
| The Ring fishing industry, 1890-1926 | O'Donoghue, T. A. | Article in Journal | | 1981 |
| The role of the Environment and Heritage Service in Northern Ireland archaeology | Brannon, N. F. (Nick) | Article in Journal | | 2002 |
| The Roman versus the Irish character | McGuinne, Dermot | Article in Book | | 2025 |
| The Royal College of Science for Ireland, 1867-1926 | Kelham, B. B. | Article in Journal | | 1967 |
| The sad story of Thomas Moore | Gamble, Norman | Article in Journal | | 2017 |
| The second coming of Paisley : militant fundamentalism and Ulster politics | Jordan, Richard Lawrence | Monograph or Collective Volume | Syracuse University Press | 2013 |
| The shipping Murphys : the Palgrave Murphy Shipping Line, 1850-1926 | Smith, Cornelius F. | Monograph or Collective Volume | Albany Press | 2004 |
| The Slavic contribution to Irish and Celtic studies, 1630s-2010s | Mac Mathúna, Séamus | Article in Book | | 2025 |
| The social income of the Irish Free State, 1926-38 | Duncan, G. A. | Article in Journal | | 1939 |
| The social revolution that never was | Lynch, Patrick, 1917-2001 | Article in Book | | 1968 |
| The Society of St Vincent de Paul in Dublin, 1926-1975 | Ní Chearbhaill, Máire | Thesis | | 2008 |
| The summing-up | Williams, T. Desmond | Article in Book | | 1968 |
| The treaty negotiations | Pakenham, Francis Aungier, 7th earl of Longford, 1905-2001 | Article in Book | | 1968 |
| The Trehy family | Morley, Loreley A. | Article in Journal | | 1992 |
| The Ulster land war of 1770. (The hearts of steel) | Bigger, Francis Joseph, 1863-1926 | Monograph or Collective Volume | | 1910 |
| The very Rev. James Maurice Carey (1926-2001). President of the Society (1979-80) | Ó Riain, Pádraig | Article in Journal | | 2001 |
| 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 Years of the Great Test 1926-39 | | Monograph or Collective Volume | | 1967 |
| The years of the great test, 1926-39 | | Monograph or Collective Volume | Mercier Press in collaboration with RTE | 1967 |
| Theatre business : the correspondence of the first Abbey directors | Saddlemyer, Ann | Monograph or Collective Volume | Colin Smythe | 1982 |
| Theodore O'Hara, author of "The bivouac of the dead" | Sweeny, William M. | Article in Journal | | 1926 |
| Thesis abstract : Kildare County Council, 1899–1926 | Nelson, Thomas P. | Article in Journal | | 2009 |
| Thomas Martin and the founding of Sinn Féin | McEvatt, R. M. | Article in Journal | | 1970 |
| Thomas Moran : painter of grandeur | Heald, Weldon F. | Article in Journal | | 1965 |
| Thomas O'Shea, a Kerry harper | Mac Lochlainn, Alf, 1926- | Article in Journal | | 1970 |
| Three ballads of the American civil war | Mac Lochlainn, Alf, 1926- | Article in Journal | | 1963 |
| Three men on an island | MacIntyre, James, 1926- | Monograph or Collective Volume | Blackstaff Press | 1996 |
| Through her eyes : a new history of Ireland in 21 women | Finn, Clodagh | Monograph or Collective Volume | Gill Books | 2022 |
| Through peace and war : Kildare County Council in the years of revolution, 1899-1926 | Nelson, Thomas | Monograph or Collective Volume | Killeaney Press | 2015 |
| Timothy O'Brien, an early Irish immigrant | O'Brien, Michael J. | Article in Journal | | 1926 |
| Towards the new constitution | Grogan, Vincent | Article in Book | | 1967 |
| Traditional medicine | Ní Sheasnáin, Áine | Article in Journal | | 1982 |
| Transnational ties to home : Irish migrants in New Zealand asylums, 1860-1926 | McCarthy, Angela | Article in Book | | 2012 |
| Tuairim, intellectual debate and policy formulation : rethinking Ireland, 1954-1975 | Finn, Tomás | Monograph or Collective Volume | Manchester University Press|Palgrave Macmillan | 2012 |
| Tullow golf club | King, John | Article in Journal | | 1991 |
| Tuned out? a study of RTÉ radio 1 programmes Dear Frankie/Women Today and BBC 4’s Woman’s Hour | Doyle-O'Neill, Finola | Article in Journal | | 2018 |
| Tymon Park | Cotter, DavidWann, Jennifer | Monograph or Collective Volume | South Dublin County Council | 2001 |
| Ulster and the downfall of the Labour government 1974-79 | Newsinger, John | Article in Journal | | 1991 |
| Under the hammer blow | Phelan, Mark | Article in Journal | | 2018 |
| Une crise de conscience nationale en 1886 : l'Angleterre en face de l'autonomie de l'Irlande | Bédarida, François | Article in Journal | | 1958 |
| Unemployment and inflation in Ireland, 1926-2012 | Gerlach, StefanLydon, RedmondStuart, Rebecca | Article in Journal | | 2016 |
| Unionist politics and the politics of Unionism since the Anglo-Irish Agreement | Cochrane, Feargal | Monograph or Collective Volume | Cork University Press | 1997 |
| Upholding the commandments and the will of the majority: the Catholic hierarchy, the October 1922 pastoral, and the Irish civil war | Waldron, KieranÓ Corráin, Daithí | Article in Journal | | 2023 |
| Urbanisation in modern Ireland | Pringle, Denis G. | Article in Book | | 1986 |
| Vicissitudes of a manuscript collection : the papers of Maurice Lenihan in the Burns Library, Boston College | Mac Lochlainn, Alf, 1926- | Article in Journal | | 2010 |
| Village Hall and Clubhouse, Adare, Co. Limerick | Hill, Judith | Article in Journal | | 2011 |
| Vincent Wynter (1926-2018) trade unionist and labour councillor | Dooley, Seamus | Article in Journal | | 2019 |
| Voices of Ireland, 1918-1926 : the postbag of Richardson Evans | Martin, Gerald Warren | Article in Journal | | 1989 |
| Water supplies in Carlow (1820-1926) | Ellis, J. | Article in Journal | | 1948 |
| Western folklore in Modern ballads? | Mac Lochlainn, Alf, 1926- | Article in Journal | | 2008 |
| What's in a name? | Oliver, J. D. B. | Article in Book | | 2004 |
| When Dev defaulted: the Land Annuities dispute, 1926-38 | Ó Drisceoil, Donal | Article in Journal | | 2011 |
| Whitehall, Belfast and Dublin : a new light on the treaty and the border | Whyte, John | Article in Journal | | 1971 |
| William Findley from west of the mountains : a politician in Pennsylvania, 1783-1791 | Caldwell, John, 1926- | Monograph or Collective Volume | Red Apple | 2000 |
| William Findley from west of the mountains : Congressman, 1791-1821 | Caldwell, John, 1926- | Monograph or Collective Volume | Red Apple | 2002 |
| Wills relating to Waterford. Pts. 1-4 | Walton, Julian | Article in Journal | | 1982 |
| Wilson and McBrinn, Ltd., 1926-1986 | Clarke, VictorTuite, Breeda | Monograph or Collective Volume | Drogheda Independent | 1986 |
| Women and the church since the Famine | Lee, J.J. (John Joseph), 1942- | Article in Book | | 1978 |
| Women writing war : Ireland 1880-1922 | | Monograph or Collective Volume | University College Dublin | 2016 |
| Woodside, Sandyford | Van Turnhout, Michael | Article in Journal | | 2016 |
| Writers, raconteurs and notable feminists : two monographs | Mac Lochlainn, Alf, 1926-Skeffington, Andrée Sheehy | Monograph or Collective Volume | National Library of Ireland Society | 1993 |
| Writing the Troubles : gender and trauma in Northern Ireland | Cordner, Anthea Elizabeth | Thesis | | |
| Yours, Convict 12 | Markievicz, Constance | Article in Book | | 2016 |
| ‘Dangerous friends’ : Irish Republican relations with Basque and Catalan nationalists, 1916–26 | Cullen, NiallMcCreanor, Kyle | Article in Journal | | 2022 |
| “The work of some irresponsible women” : jurors, ghosts, and embracery in the Irish Free State | Coen, Mark | Article in Journal | | 2020 |
| “Till debt do us part” : financial implications of the divorce of the Irish Free State from the United Kingdom, 1922–1926 | Fitzgerald, John ; Kenny, Seán | Article in Journal | | 2019 |