| "An endless line of useless hills" : in memoriam Thomas Slattery | Mahon, Oliver | Article in Journal | | 2002 |
| "This is no political matter" | Ó Glaisne, Risteárd, 1927-2003 | Article in Journal | | 1993 |
| "Unbroken service" : Máiréad Ní Ghráda's career at 2RN, Ireland's first broadcasting station, 1927-35 | Morgan, E. | Article in Journal | | 2002 |
| 'A bottle of Guinness please' : the colourful history of Guinness | Hughes, David | Monograph or Collective Volume | Phimboy | 2006 |
| 'A burning urge to save' : Béaloideas (1927-) | Ó hÓgain, Dáithí | Article in Book | | 2025 |
| 'A dream of liberty' : Constance Markievicz's vision of Ireland, 1908-1927 | Oikarinen, Sari | Monograph or Collective Volume | Suomen Historiallinen Seura | 1998 |
| 'Artistic bombs': three 'shemus' cartoons 1922 | Larkin, Felix M. | Article in Journal | | 2011 |
| 'But all I got is a photograph...' | Murray, Ciaran | Article in Journal | | 2011 |
| 'Conditional constitutionalists' : the reaction of Fianna Fáil grass-roots to the IRA border campaign, 1956-1927 | Kelly, Stephen | Article in Book | Mercier Press | 2011 |
| 'Dentist Keane' : Mr Desmond Keane | Keane, Desmond | Article in Journal | | 2007 |
| 'From the pulpit the Treaty is being rammed down our throats' | Rice, Ellie | Article in Book | Penguin Ireland | 2016 |
| 'Government by journalism' : Sligo and the newspaper industry, 1885-1927 | Wehrly, Mark | Thesis | | 2008 |
| 'Guardian of the shore': Seán D. Dublin Bay Loftus and community politics | Maume, Patrick
| Article in Journal | | 2017 |
| 'Guinness is good for you' : experiments in workers' housing and public amenities by the Guinness Brewery and Guinness / Iveagh Trust, 1872-1915 | King, Linda | Article in Book | | 2015 |
| '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 |
| 'More than a factory': Sunbeam Wolsey, 1927-1990 | Cullinane, Liam | Article in Journal | | 2015 |
| 'My four green fields' : the essential role of place in Deborah Brown's work | Pyle, Hilary | Article in Book | | 2005 |
| 'Slightly constitutional' politics : Fianna Fáil's tortuous entry to the Irish parliament, 1926-7 | Ó Beacháin, Donnacha | Article in Journal | | 2010 |
| 'The Cliona, the Maev and the Macha, the pride of the Irish navee' A brief history of the Irish Naval Service | Brunicardi, Daire | Article in Journal | | 2021 |
| 'The gallant old legion': Cumann na mBan in County Offaly, 1915-1922 | Molloy, Ciara | Article in Journal | | 2016 |
| 'The Greatest Epic of Modern History': Caribbean radicals and the Irish revolution | Nelson, Bruce | Article in Journal | | 2016 |
| 'The machine will work without them' : Kevin O'Higgins and the Jury Bills of 1924 and 1927 | Owens, Rosemary Cullen | Article in Book | | 2007 |
| 'The revolt of the daughters?' The Gore-Booth sisters | Tiernan, Sonja | Article in Book | | 2016 |
| 'To change society' : Irishwomen United and political activism, 1975-1979 | McAuliffe, Mary | Article in Book | Arlen House | 2015 |
| 'Two girls in silk kimonos': Constance and Eva Gore-Booth, childhood and political development | Tiernan, Sonja | Article in Book | | 2022 |
| 'Urging most earnestly...': Content and contributers in ninety years of Béaloideas | Fitzgerald, Kelly | Article in Journal | | 2017 |
| 1916 | Markievicz, Constance Georgine, Countess, 1868-1927 | Monograph or Collective Volume | [s.n.] | 1927 |
| 1916 in Kilmainham | Bourke, Wesley | Article in Journal | | 2010 |
| 1927 - Tuam and North Galway in the year of the two General Elections | O'Donoghue, Martin | Article in Journal | | 2015 |
| 2 March 1922: Countess Markievicz Defends Female Citizenship : ‘Free State Freaks’: The Politics of Masculinity | Beatty, Aidan | Article in Book | NA | 2022 |
| 60 years of sculpture, a lifetime | Stuart, Imogen | Article in Journal | | 2005 |
| A bibliography of books by the O'Rahilly, Tom Clarke, Micheál Ó hAnnracháin and Countess de Markievicz | O'Hegarty, P. S. | Monograph or Collective Volume | [s.n.] | 1936 |
| A bibliography of the writings of J.H. Andrews | Davies, K. M. (Kathleen Mary)Haworth, Richard | Article in Book | | 1992 |
| A book collector's perspective, 1950s-2000s | MacAmhlaigh, Gus | Article in Book | | 2025 |
| A charge delivered to the clergy and churchwardens at his Primary Visitation | Bernard, J. H. (John Henry), 1860-1927 | Monograph or Collective Volume | Church of Ireland Printing & Publishing Co. | 1911 |
| A charge delivered to the clergy of the diocese of Dublin, at the Visitation, November 9th, 1927 | Fitzgerald, John Allen | Monograph or Collective Volume | Church of Ireland Printing Co. | 1927 |
| A dreadful night in Cleggan bay | King, Ritchie | Article in Journal | | 1995 |
| A European commission | Fallon, Brian | Article in Journal | | 2007 |
| A guide to Irish biographical dictionaries | Woods, C. J. (Christopher John) | Article in Journal | | 1980 |
| A guide to sources for Irish-language book history : histories, catalogues, bibliographies, online resources, libraries, and archives | Kudenko, Ksenia | Article in Book | | 2025 |
| 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 Irish ballet from 1927 to 1963 | O'Brien, Victoria | Monograph or Collective Volume | Peter Lang | 2011 |
| A holiday brochure of Dunleary long ago | Murray, Kevin | Article in Journal | | 1996 |
| A hundred years of Carrigallen School : a commemorative history celebrating a hundred years of Bredagh School, Carrigallen | | Monograph or Collective Volume | [Bredagh School, Carrigallen] | 1995 |
| A Kingstown Fire, December 1909 | Scannell, James | Article in Journal | | 2021 |
| A landlords garden : Derreen Demone county Kerry | Everett, Nigel | Monograph or Collective Volume | Hafod Press | 2001 |
| A lexical trek through some Early Irish "Valleys" | Mac Mathúna, Liam | Article in Book | | 1997 |
| A life of Patrick Cardinal O'Donnell | Gallagher, John P. | Thesis | | 1975 |
| A map of Lord Lansdowne's Luggacurren estate in the eviction year of 1889 | Horner, Arnold | Article in Journal | | 2016 |
| A medical appointment in Meath : controversy in Kilskyre | Ó hÓgartaigh, Margaret | Article in Journal | | 2006 |
| A murder, a disappearance and an upheaval: three turbulent months in 1927 | Meehan, Clara | Article in Journal | | 2005 |
| A nation fed by hook and thread | Ryan, Mary Stratton | Article in Journal | | 2014 |
| A perspective from the ranks | Gilligan, Leona | Article in Journal | | 2014 |
| A poem on Cenel Ennai | Boyle, Séamus | Article in Journal | | 1981 |
| A prehistoric hearth at Greenoge, Dunmurry, county Antrim | Whelan, C. Blake | Article in Journal | | 1928 |
| A public voice of history | Burke, Alan | Article in Journal | | 2001 |
| A quiet revolution: the Rural Electrification Scheme | O'Sullivan, Paddy | Article in Journal | | 2017 |
| A review of Irish agricultural prices | Barrington, Thomas | Article in Journal | | 1927 |
| A second tidal wave? The historiography of English colonization of Ireland, Scotland and Wales in the 12th and 13th centuries | Gillingham, John | Article in Book | | 2002 |
| A sermon preached on 24 January 1904, the Sunday before the funeral of provost Salmon | Bernard, J. H. (John Henry), 1860-1927 | Article in Book | | 2004 |
| A short history of Strawberry Hill House : architecture and notable previous residents | Healy, Ronan | Monograph or Collective Volume | | 2023 |
| A short history of the Irish Guards | Grayson, T. H. H. | Monograph or Collective Volume | | 1931 |
| 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 short history of the Irish Revolution, 1912 to 1927 | Killeen, Richard | Monograph or Collective Volume | Gill & Macmillan | 2007 |
| A souring of friendships? Internal divisions in the leadership of the Irish Parliamentary Party in the aftermath of the Easter rising | Mulvagh, Conor | Article in Book | | 2015 |
| A trap for young book-leggers : the first American printings of Frank Harris's "My Life", volumes 3 & 4 (1927) | Gertzman, Jay A. | Article in Journal | | 1995 |
| A triumph of co-operation over adversity : The history of Donaghmore Co-operative Creamery Ltd. | Fennelly, Teddy | Monograph or Collective Volume | Arderin | 2003 |
| Activities wise and otherwise : the career of Sir Henry Augustus Robinson, 1898-1922 | O Donoghue, Brendan | Monograph or Collective Volume | Irish Academic Press | 2015 |
| Adolf Mahr | Kilbride-Jones, H. E. | Article in Journal | | 1993 |
| Afterimage of the revolution : Kevin O'Higgins and the Irish Revolution | Knirck, Jason K., 1971- | Article in Journal | | 2003 |
| Agnes Farrelly's politics and poetry, 1918-27 | Nic Congáil, Ríona | Article in Book | | 2016 |
| Along the Church Road | Barnwell, Pat | Article in Journal | | 2005 |
| An Bíobla Naofa (1981) : its production, dissemination, and reception | Ó Fiannachta, Pádraig | Article in Book | | 2025 |
| An Duinníneach - aguisín | Riggs, Pádraigín | Article in Book | | 2004 |
| An Ghaeilge i Maigh Nuad | Ó hÉanacháin, Seán | Monograph or Collective Volume | Cló Iar-Chonnacht | 2016 |
| An Gordon Wilson a bhfuil chuimhne agamsa oir | Ó Gadhra, Nollaig | Article in Journal | | 1995 |
| An infinite beauty | Everett, Nigel | Article in Journal | | 2001 |
| An Moinsíneoir Pádraig Ó Fiannachta - scéal trí scéal | Mac Síthigh, Domhnall | Article in Book | | 2018 |
| An scoláire óg i gColáiste Phádraig, Má Nuad | Ní Mhaonaigh, Tracey | Article in Book | | 2018 |
| An tOllamh le Sean-Ghaeilge | Herbert, Máire | Article in Book | | 2018 |
| 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 : Irish-Americans and the political construction of whiteness in Memphis, Tennessee, 1866-1879 | Page, Brian D. | Article in Journal | | 2002 |
| Anatomy of a gifted Belfast surgeon Sir Peter Reilly O'Connell 1860-1927 | Magee, Jack | Article in Journal | | 2005 |
| Ancestral voices in Irish politics : judging Dillon and Parnell | Bew, Paul | Monograph or Collective Volume | Oxford University Press | 2023 |
| Andy and Pat Colfer of Kiltra, steam engineers | Walsh, Greg | Article in Journal | | 2010 |
| Anne Crookshank (1927–2016) | McParland, Edward | Article in Journal | | 2017 |
| Annraoi Saidléar and Coláiste Charman | Saidlear, Muriel | Article in Journal | | 1998 |
| Aonach Thír Chonaill: Aonach Gaeilge | Mac Congáil, Nollaig | Article in Journal | | 2022 |
| Apostates or imperialists? W. T. Cosgrave, Kevin O'Higgins, and republicanism | Knirck, Jason | Article in Journal | | 2010 |
| Appreciation | T., M.C. | Article in Journal | | 2002 |
| Archbishop Bernard : professor, prelate, and provost | Murray, R. | Monograph or Collective Volume | [s.n.] | 1931 |
| Archbishop Bernard, Lady Constance Butler and the 'Charters of Duiske' | Murphy, William | Article in Journal | | 2010 |
| Archival odyssey, 1958-1995 | Larkin, Emmet | Article in Journal | | 1997 |
| Arming the Protestants : the formation of the Ulster Special Constabulary and the Royal Ulster Constabulary 1920-27 | Farrell, Michael | Monograph or Collective Volume | Brandon | 1983 |
| Art and uncertainty : painting in Ireland, 1912-1932 | Kennedy, Róisín | Article in Book | | 2016 |
| Atógáil na tíre on taobh istigh: Conradh na Gaeilge mar fhoras oideachais aosaigh agus forbartha pobail | Mac Gabhann, Risteard | Article in Book | | 1997 |
| Barnabe Rich and Ireland | Ghall, Sean [i.e. Kenny, James Egan] | Article in Journal | | 1927 |
| Bartley Madden's story (from the Roscommon Champion 75th Anniversary Magazine, 2003 | Coyne, Declan | Article in Journal | | 2005 |
| Beauty, art and theology, for Imogen Stuart at 80 | McDonagh, Enda | Article in Journal | | 2007 |
| Beirní Ó Luasa (1930-2016) agus beirt a bhuail uime | Hamilton, Pádraig | Article in Journal | | 2017 |
| Belfast Cathedral : the ornament | Thompson, Herbert Marshall | Monograph or Collective Volume | Belfast Cathedral Guild | 1927 |
| Bestsellers in Irish in the twentieth century | Ó Giollagáin, Conchúr | Article in Book | | 2025 |
| Betrayal of trust : the Father Brendan Smyth affair and the Catholic church | Moore, Chris | Monograph or Collective Volume | Marino Press | 1995 |
| Between East and West: the financial challenge in establishing a foreign policy for an independent Irish state. 1919-27 | McGee, Owen | Article in Journal | | 2017 |
| Beyond a paper landscape : John Andrews and Irish historical geography | Whelan, Kevin | Article in Book | | 1992 |
| Bibliographies of 1916 and the Irish revolution : 12, Arthur Griffith; 13, Michael Collins; 14, Kevin O'Higgins, 15, Darrell Figgis | O'Hegarty, P. S. | Article in Journal | | 1937 |
| Bibliography of the published works of D. W. Hayton | Gaunt, Richard A.Jones, Clyve | Article in Journal | | 2014 |
| Big houses under threat | Browne, Geoffrey Henry, 3rd Baron Oranmore and Browne, 1st Baron Mereworth, 1861-1927, born Browne-Guthrie, Geoffrey Henry | Article in Book | | 2016 |
| Bishop Hoare and politics | Mulryan, Maureen | Article in Journal | | 2007 |
| Bishop Patrick O'Donnell and Rome | Silke, John J. | Article in Journal | | 2013 |
| Bolshevising Irish communism : the Communist International and the formation of the Revolutionary Workers' groups 1927-31 | O'Connor, Emmet | Article in Journal | | 2003 |
| Breandán Ó Ríordáin (1927-2017): gentleman and archaeologist | Wallace, Pat | Article in Journal | | 2017 |
| Brian Manning (obituary) | Kostick, Conor, 1964- | Article in Journal | | 2004 |
| British Catholics and the South African War, 1899-1900 | Davies, John | Article in Book | | 2003 |
| Buntús Cainte agus bunú ITÉ | Ó Domhnalláin, Tomás | Article in Book | | 1997 |
| Calendar of Chancery warrants preserved in the Public Record Office ... 1244-1326 | | Monograph or Collective Volume | HMSO | 1927- |
| Calendar of documents contained in the chartulary commonly called Dignitas Decani of St Patrick's cathedral | | Article in Journal | | 1905 |
| Calendar of the close rolls preserved in the Public Record Office. Henry IV, [vol.] 1 : 1399-1402; [vol.] 2 : 1402-1405; [vol.] 3 : 1405-1409; [vol.] 4 : 1409-1413. 4 vols. | Anonymous | Monograph or Collective Volume | | 1927 |
| Captain John Savage and the settlement of Shefford from 1740 to 1793. Pt. 1 | Richardson, A. J. H. | Article in Journal | | 2004 |
| Captain John Savage and the settlement of Shefford from 1792 to 1801. Pt. 2 | Richardson, A. J. H. | Article in Journal | | 2004 |
| Cardinal Patrick O'Donnell and Scotland | Canning, B. J. (Bernard J.) | Article in Journal | | 2001 |
| Cardinal Patrick O'Donnell, 1856-1927 | Ó Baoighill, Pádraig S. | Monograph or Collective Volume | Foilseacháin Chró na mBothán | 2008 |
| Casimir Dunin Markiewicz, painter and playwright | Ryan-Smolin, Wanda | Article in Journal | | 1995 |
| Catalogue of accounts on the great rolls of the pipe of the Irish exchequer for the reign of Edward III | Anonymous | Article in Book | | 1927 |
| Cathair Phortláirge agus na Déise: A Gael's guide to Waterford and the Déise country | Ó Cadhla, Seaán, 1885-1918 | Monograph or Collective Volume | Waterford News | 1907, 1927 |
| Ceannródaithe | Ó Glaisne, Risteard, 1927-2003 | Monograph or Collective Volume | Foilseacháin Náisiúnta Teoranta | 1974 |
| Cearbhall Ó Dálaigh | Ó Glaisne, Risteárd, 1927-2003 | Monograph or Collective Volume | An Sagart | 2001 |
| Celts in conflict : hillfort studies, 1927-77. An Inaugural lecture | Harding, Dennis William | Monograph or Collective Volume | | 1979 |
| Centenary memories of Kevin O'Higgins' Family | Logue, Rose Mary | Article in Journal | | 2023 |
| Centenary of Heynstown Parish Church 1827-1927 | Dudley-Janns, F. P. | Monograph or Collective Volume | W. Tempest | 1927 |
| Cérbh é Sam Maguire? | Ó Donnabháin, Barra | Article in Journal | | 1997 |
| Changing with the tide : the Irish Labour party, 1927-1933 | McKay, Enda | Article in Journal | | 1986 |
| Christ Church, Derriaghy : gravestone and church inscriptions. | Barr, W. N. C., Rev. | Monograph or Collective Volume | W. N. C. Barr | 2002 |
| Clonoulty to South Australia 1857 | Fitzgerald, M. J. | Article in Journal | | 2015 |
| Clough man who served as medical officer of Nigeria | Hume, Harry | Article in Journal | | 2004 |
| Coláiste Moibhí | Ó Glaisne, Risteárd, 1927-2003 | Monograph or Collective Volume | Coiscéim | 2002 |
| Comedy's ill-fated muse | Pyle, Hillary | Article in Journal | | 2014 |
| Comradeship : feminists and revolutionaries in Holloway Prison, 1918-1919 | McDiarmid, Lucy | Article in Book | NA | 2020 |
| Conor Cruise O'Brien agus an liobrálachas | Ó Glaisne, Risteárd, 1927-2003 | Monograph or Collective Volume | Clódhanna Teoranta | 1974 |
| Conradh na Gaeilge, 1893-1993. Conradh na Gaeilge i nDroichead na Bandon | Ó Glaisne, Risteárd, 1927-2003 | Article in Journal | | 1994 |
| Constance de Markievicz : Minister for Labour | Ward, Margaret | Article in Book | | 2016 |
| Constance de Markievicz in the cause of Ireland | Van Voris, J. | Monograph or Collective Volume | University of Massachusetts Press | 1967 |
| Constance Markievicz | O'Faolain, Sean | Monograph or Collective Volume | Cresset P. | 1987 |
| Constance Markievicz | Paseta, Senia | Article in Book | Royal Irish Academy | 2015 |
| Constance Markievicz : an independent life | Haverty, Anne | Monograph or Collective Volume | Pandora | 1988 |
| Constance Markievicz : Irish revolutionary | Haverty, Anne | Monograph or Collective Volume | Lilliput Press | 2016 |
| Constance Markievicz : Social and personal | Conroy, Pauline | Article in Book | | 2016 |
| Constance Markievicz and the Easter Rising | McGowan, Joe | Article in Journal | | 2017 |
| Constance Markievicz and the politics of memory | Steele, Karen | Article in Book | | 2004 |
| Constance Markievicz's 'three great movements' and the 1916 Rising | Owens, Rosemary Cullen | Article in Book | | 2007 |
| Constance Markievicz's allegorical garden : femininity, militancy, and the press, 1909-1915 | Steele, Karen | Article in Journal | | 2000 |
| Cornelius O'Donoghue 1906-1947 : a Bandonian's role in the rural electrification scheme | Connolly, Seán | Article in Journal | | 1998 |
| Cosslett Ó Cuinn | Ó Glaisne, Risteárd, 1927-2003 | Monograph or Collective Volume | Coiscéim | 1996 |
| Countess de Markievicz | Gifford, Sydney | Article in Book | | 1916 |
| Countess Markievicz and Eva Gore-Booth | Tiernan, Sonja | Article in Book | | 2016 |
| Countess Markievicz appointed Minister for Labour | Connell, Joseph E.A., jr | Article in Journal | | 2019 |
| Countess Markievicz, 1868-1927 | Walsh, Edward S. | Monograph or Collective Volume | Lisadell Press | 2007 |
| Countess Markievicz, a cottage in Sandyford and her neighbour Mary Mulligan | Curran, Peadar | Article in Journal | | 2019 |
| Court martial held at the Royal Barracks, Dublin, for the trial of Brevet Lieutenant-Colonel Hon. Thomas Mullins ... Dublin ... 1815 | Anonymous | Article in Journal | | 1927 |
| Craft as union, craft as demarcation : the decoration at Belfast cathedral | McBrinn, Joseph | Article in Book | | 2008 |
| Craft workers during the Irish Revolution, 1919-22 | Yeates, Pádraig | Article in Journal | | 2008 |
| Criticism and the Irish Literary Revival with special attention to John Eglington | Bryson, Mary E. | Article in Book | | 1997 |
| Dán do oide : essays in memory of Conn R. Ó Cléirigh 1927-1995 | NA | Monograph or Collective Volume | Institiúid Teangeolaíochta Éireann | 1997 |
| Daughters of Erin : five women of the Irish renaissance | Coxhead, Elizabeth | Monograph or Collective Volume | Secker and Warburg | 1965 |
| De bhunadh protastúnach : nó rian Chonradh na Gaeilge | Ó Glaisne, Risteárd, 1927-2003 | Monograph or Collective Volume | Carbad | 2000 |
| De Valera performs the oath : word, voice, book, and act | Pulju, Anne | Article in Book | | 2009 |
| De Valera's other Ireland | Ó Crualaoich, Gearóid | Article in Book | | 2003 |
| Death of a Tipperary Blueshirt | Grace, Daniel | Article in Journal | | 2014 |
| Deborah Brown | Crookshank, Anne | Article in Book | | 2005 |
| Deborah Brown : a life in the round | McAvera, Brian | Article in Journal | | 2011 |
| Deborah Brown in conversation with Hilary Pyle | Pyle, Hilary | Article in Book | | 2005 |
| Defining their role in the new state : Irish women's protest against the Juries Act of 1927 | Valiulis, Maryann Gialanella, 1947- | Article in Journal | | 1992 |
| Delegated to the "new world" : Irish communists at Moscow's International Lenin School, 1927-1937 | McLoughlin, Barry, 1949- | Article in Journal | | 1999 |
| Denis Ireland | Ó Glaisne, Risteárd, 1927-2003 | Monograph or Collective Volume | Coiscéim | 2000 |
| Denis Nagle, a personal reflection | O'Callaghan, Pakie | Article in Journal | | 2007 |
| Dennis Clark : an appreciation | Kinsella, Thomas E. | Article in Journal | | 1994 |
| Dennis Dinneen | | Monograph or Collective Volume | Douglas Hyde Gallery | 2017 |
| Development of Ireland's power system, 1927 to 1997 | O'Riordan, Cecil | Monograph or Collective Volume | Eirgrid | 2000 |
| Dí-armáil nó díothú? : Éire, an Eoraip, an Domhan | Ó Glaisne, Risteárd, 1927-2003 | Monograph or Collective Volume | Coiscéim | 2001 |
| Diarmuid Ó Laoghaire | Ó Glaisne, Risteárd, 1927-2003 | Article in Book | | 1997 |
| Dictionary of national biography | | Monograph or Collective Volume | | 1885 |
| Dillon, Redmond, and the Irish home rulers | Lyons, F. S. L. (Francis Stewart Leland) | Article in Book | | 1967 |
| Doing my bit for Ireland : transgressing gender in the Easter Rising | Weihman, Lisa | Article in Journal | | 2004 |
| Donegal and Derry bishops help decide 1911 North Tyrone by-election | Dooher, John | Article in Journal | | 2010 |
| Donkey's years : memories of a life as a story told | Higgins, Aidan | Monograph or Collective Volume | Secker and Warburg | 1995 |
| Douglas Hyde here in Roscommon | Ó Glaisne, Risteárd, 1927-2003 | Monograph or Collective Volume | Roscommon County Council | 1993 |
| Dr Patricia O Connell : an appreciation | Downey, Declan M. | Article in Book | | 2008 |
| Dr Toddy Pierse and Mount George, Wexford | Pierse, Tom | Article in Journal | | 2012 |
| Dúbhglas de h-Íde (1860-1949) : (Part 1) : Ceannródaí culturtha 1860-1910 | Ó Glaisne, Risteárd, 1927-2003 | Monograph or Collective Volume | Conradh na Gaeilge | 1991 |
| Dúbhglas de h-Íde (1860-1949) : (Part 2) : Náisiúnach Neamhspleách 1910-1949 | Ó Glaisne, Risteárd, 1927-2003 | Monograph or Collective Volume | Conradh na Gaeilge | 1993 |
| Dublin after the executions | Dillon, John | Article in Book | | 2016 |
| Dublin, city and county : from prehistory to present : studies in honour of J.H. Andrews | NA | Monograph or Collective Volume | Geography Publications | 1992 |
| Dul chun cinn na Gaeilge i nDún na nGall faoin bhliain 1916 | Mac Congáil, Nollaig | Article in Book | | 2017 |
| Dungiven Co-operative Society Stores | Farren, Aidan | Article in Journal | | 2017 |
| Éamon de Valera's relationship with Robert Briscoe: a reappraisal | McCarthy, Kevin | Article in Journal | | 2014 |
| Éamonn Mac Thomáis | Behan, A. P. | Article in Journal | | 2003 |
| Edna O'Brien, Irish dandy | O'Connor, Maureen | Article in Journal | | 2005 |
| Edward Barry M.P. | Barry, Gerald | Article in Journal | | 2003 |
| Edward Cecil Guinness : noblesse oblige | Heffernan, Mary | Article in Journal | | 2009 |
| Edward Lee, JP, 1853-1927 - the model employer | Lee, Michael | Article in Journal | | 2014 |
| Edward Lee: model employer and man of moral courage | Lee, Michael | Monograph or Collective Volume | Dún Laoghaire-Rathdown County Council | 2016 |
| Éire agus an eite chlé | Ó Cathasaigh, AindriasÓ Glaisne, Risteárd, 1927-2003 | Monograph or Collective Volume | Coiscéim | 2007 |
| Electoral support for Irish political parties 1927-1973 | Gallagher, Michael | Monograph or Collective Volume | [s.n.] | 1976 |
| Electricity supply in Ireland : the history of the E.S.B. | Manning, Maurice | Monograph or Collective Volume | [s.n.] | 1984 |
| Emigrants from Offaly to Nelson | Whelan, Helen | Article in Journal | | 2007 |
| Emmet Larkin : a memoir | McCaffrey, Lawrence J., 1925- | Article in Book | | 2000 |
| Epilogue : Donal Kerr | Nowlan, Kevin B. | Article in Book | | 2002 |
| ESB: Advertising a brighter future | McParland, Deirdre | Article in Journal | | 2017 |
| 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 |
| F.B. Behr's development of the Lartigue monorail : from country crawler to electric express | Tucker, David Gordon | Article in Journal | | 1985 |
| Fáidh é an Fiannachtach ina dhúiche féin | Ní Mhóráin, Bríd | Article in Book | | 2018 |
| Fall from grace | Broderick, Joe | Monograph or Collective Volume | Brandon | 1992 |
| Fear an leabhair : Pádraig Ó Fiannachta | Ó Héalaí, Pádraig | Article in Book | Roinn na Sean-Gaeilge, Coláiste Phádraig, Maigh Nuad | 1994 |
| Female rebels at the Royal College of Surgeons, 1916 | Arrington, Lauren | Article in Book | | 2015 |
| Fianna Fáil agus an Ghaeilge | Ó Gadhra, Nollaig | Article in Book | | 1996 |
| Fianna Fáil agus an Ghaeilge : “Dha arm aigne”? | Ó Gadhra, Nollaig | Article in Journal | | 1996 |
| Fianna Fáil and the civil service, 1927-37 | Feeney, Thomas M. | Thesis | | 1999 |
| Fianna Fáil and the working class : the origins of the enigmatic relationship | Patterson, Henry | Article in Journal | | 1988 |
| Fianna Fáil on the highwire of foreign policy | O'Halpin, Eunan | Article in Book | | 1996 |
| Fianna Fáil, an chéad tréimhse | Anonymous | Monograph or Collective Volume | National Executive Council of Fianna Fáil | 1960 |
| Fianna na hÉireann/Na Fianna Éireann | Connell, Joseph E. A., Jr. | Article in Journal | | 2012 |
| Foclóir Uí Bheaglaoich | de Bhaldraithe, Tomás | Article in Book | Institiúid Teangeolaíochta Éireann | 1997 |
| Forty years of Irish broadcasting | Gorham, Maurice | Monograph or Collective Volume | Talbot Press | 1967 |
| Fr. Patrick Walsh - the republican priest | Williams, Tom | Article in Journal | | 2001 |
| From an oral to a print tradition : the case of the Islandman (1854-1937) | Nic Craith, Máiréad | Article in Book | | 2025 |
| From Findrum : Pearse Hutchinson in conversation | Coleman Philip | Article in Book | | 2011 |
| From garden to table at Doneraile Court | O'Sullivan, Michael | Article in Journal | | 2018 |
| From shadow to light | McBride, Stephanie | Article in Journal | | 2008 |
| From the margins to the mainstream : Fianna Fáil and the women's movement | Galligan, Yvonne | Article in Book | | 1996 |
| Further memories of Irish life | Robinson, Henry Augustus, Sir, 1857-1927 | Monograph or Collective Volume | Herbert Jenkins | 1924 |
| Gaeilge Chonnacht | Ó hUiginn, Ruairí | Article in Book | Roinn na Sean-Gaeilge, Coláiste Phádraig, Maigh Nuad: | 1994 |
| Gaeilge i gColáiste na Tríonóide, 1592-1992 | Ó Glaisne, Risteárd, 1927-2003 | Monograph or Collective Volume | Preas Choláiste na Tríonóide | 1992 |
| Gaisce, greann agus grá: Conall Gulban agus féidearthachtaí na scéalaíochta gaisciúla | de Cléir, Síle | Article in Journal | | 2014 |
| Genealogies in the Lowry family Bible | Williams, Margaret | Article in Journal | | 1982 |
| George Chinnery, 1774-1852, with some account of his family and genealogy | Welply, W. H. | Article in Journal | | 1933 |
| George Dawson's legacy | Giltrap, Catherine | Article in Journal | | 2010 |
| George Dawson, an unbiased eye: modern and contemporary art at Trinity College Dublin since 1959 | | Monograph or Collective Volume | Associated Editions | 2010 |
| George Fletcher and technical education in Ireland, 1900-1927 | Parkes, Susan M. | Article in Journal | | 1990 |
| German invasion and spy scares in Ireland, 1890s-1914: Between fiction and fact. | De Wiel, Jérðme aan | Article in Journal | | 2012 |
| Gregory Allen 1927-2001 | 'Irish Times' | Article in Journal | | 2003 |
| Grotesque carvings improperly called Sheela na gigs | Lawlor, H.C. | Article in Journal | | 1927 |
| Growing up in Dublin | Ryan, Joe, 1927- | Monograph or Collective Volume | Joe Ryan | 2008 |
| Growing up in Dublin | Mac Thomáis, Éamonn, 1927-2002 | Article in Journal | | 1988 |
| Gur cake and coal blocks | Mac Thomáis, Éamonn, 1927-2002 | Monograph or Collective Volume | O'Brien Press | 1976 |
| Hand-list of catalogues and works of reference relating to carto-bibliography and kindred subjects for Great Britain and Ireland, 1720 to 1927 | Fordham, H. G., Sir | Monograph or Collective Volume | | 1928 |
| Hanna Sheehy Skeffington : a life | Ward, Margaret | Monograph or Collective Volume | Attic Press | 1997 |
| Hannah Falvey of Valencia Island, County Kerry | Merrigan, Thomas W. | Article in Journal | | 2013 |
| Henry Saxton Crawford : quintessential antiquary | Kelly, Dorothy | Article in Book | Four Courts | 2012 |
| Hicks of Dun Laoghaire 1927-2017. Celebrating 90 years in business | Hick, Rosaleen | Article in Journal | | 2017 |
| Hindsights : ten meetings of minds | Ó Murchú, Liam P. | Monograph or Collective Volume | Gill & Macmillan | 2000 |
| Historical sketch of Drumcree parish: diocese of Armagh | Rennison, H. W. | Monograph or Collective Volume | 'The Witness' Office | 1927 |
| History of Dun Laoghaire 1927 to 2003 | Hick, Rosaleen | Article in Journal | | 2004 |
| Holy smoke? | Herschan, Otto | Monograph or Collective Volume | TAF Publishing | 2011 |
| How it began, what might have been? political memoirs of Northern Ireland in the 1960s | Mulholland, Marc | Article in Journal | | 2018 |
| How the Shannon Scheme workers lived | McCarthy, Michael | Article in Book | | 2002 |
| Hurler on the ditch : memoirs of a journalist who became Ireland's first Ombudsman | Mills, Michael | Monograph or Collective Volume | Currach Press | 2005 |
| Ian Paisley agus Tuaisceart Éireann | Ó Glaisne, Risteárd, 1927-2003 | Monograph or Collective Volume | Cló Morainn | 1971 |
| Imogen Stuart : sculptor, with a personal tribute by Peter Harbison | Fallon, Brian | Monograph or Collective Volume | Four Courts | 2002 |
| Imogen Stuart's Stillorgan connection | O'Connor, Anne | Article in Journal | | 2017 |
| Imperious post-colonialism : dealing with the National Museum of Ireland's non-European collections in a Free State | Cooke, Pat | Article in Book | | 2012 |
| Important participators with the leaders, 1918-21 | O'Doherty, Liam | Article in Journal | | 1976 |
| In defence of barmaids : the Gore-Booth sisters take on Winston Churchill | Tiernan, Sonja | Article in Journal | | 2012 |
| In memoriam : William V. Shannon (1927-1988) | Rischin, M. | Article in Journal | | 1989 |
| In memoriam Eilís Brady, 1927-2007 | Ní Fhloinn, Bairbre | Article in Journal | | 2007 |
| 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 Nevin Harkness Foster, F.L.S., M.R.I.A., M.B.O.U. 1858-1927 | S., J.A.S. | Article in Journal | | 1927 |
| In memoriam Rev. W.A. Adams, B.A. | L., H.C. | Article in Journal | | 1928 |
| In memoriam William James Knowles, M.R.I.A., F.R.S.A.I. | L., H.C. | Article in Journal | | 1927 |
| In memory of Sean | Hyland, Shay | Article in Journal | | 2002 |
| In search of a political path : Irish republicanism, 1922 to 1927 | O'Neill, Thomas Patrick | Article in Book | | 1977 |
| In the steps of Patrick | De Breffney, Brian | Monograph or Collective Volume | Hudson | 1982 |
| In tribute to Dermot Troy | Dunne, Veronica and ten others | Article in Journal | | 1964 |
| Inghinidhe na hÉireann/Daughters of Ireland
Clan na nGaedheal/Girl Scouts of Ireland | Connell, Joseph E. A., Jr. | Article in Journal | | 2011 |
| Introducing Countess Constance Markievicz née Gore-Booth : aristocrat and republican, socialist and artist, feminist and free spirit | de Petris, Carla | Article in Journal | | 2018 |
| Ireland and Wales in the history of jurisprudence | MacNeill, Eoin | Article in Journal | | 1927 |
| Ireland's "Civil Wars" | Matthews, Kevin | Article in Journal | | 2007 |
| Irish art loan exhibitions, 1765-1927 : Index of Artists, vol. 1, A-L | | Monograph or Collective Volume | Manton Publishing | 1990 |
| Irish dance and identity politics on TikTok | O'Leary, Eleanor | Article in Journal | | 2024 |
| Irish emigration to the American colonies, 1723-1773. | Flood, William Henry Grattan | Article in Journal | | 1927 |
| Irish leaders of our time : 14, Constance, Countess de Markievicz | Murphy, H. L. | Article in Journal | | 1946 |
| Irish-Porteño literature | Delaney, Juan José | Article in Book | | 2014 |
| It said in the papers. Wicklow Miscellany - Part 1|It says in the papers. Wicklow Miscellany - Part 2 | O'Reilly, Stan J. | Article in Journal | | 2017 |
| Iveagh Play Centre, Bull Alley Street, Dublin 8 | Marnham, Niamh | Article in Journal | | 2017 |
| Jack Scott : a revolutionary life | Palmer, Bryan D. | Article in Journal | | 2001 |
| Janey Mack, my shirt is black | Mac Thomáis, Éamonn, 1927-2002 | Monograph or Collective Volume | O'Brien Press | 1982 |
| Jim never forgot Kilmore Quay | White, Seán | Article in Journal | | 2008 |
| John A. Murphy : the singer and the song | Edwards, Ruth DudleyO'Donoghue, Una | Article in Book | | 2005 |
| John Andrews and the formative years of the Irish Historic Towns Atlas | Davies, MarySimms, Anngret | Article in Book | | 2023 |
| John Andrews, 1927-2019: man, maps and map history | Horner, Arnold | Article in Book | | 2023 |
| John Chartres : mystery man of the treaty | Murphy, Brian | Monograph or Collective Volume | Irish Academic Press | 1995 |
| John Cogley's long life | McGovern, Doreen | Article in Journal | | 2011 |
| John Devoy's correspondence with Mrs. Florence D. White (Annie Kickham Cleary) concerning his biography of C.J. Kickham in 1927 | Nolan, William | Article in Journal | | 2006 |
| John Dillon : a biography | Lyons, F. S. L. (Francis Stewart Leland) | Monograph or Collective Volume | Routledge & Kegan Paul | 1968 |
| John Dillon and the plan of campaign, 1886-90 | Lyons, F. S. L. (Francis Stewart Leland) | Article in Journal | | 1965 |
| John Dillon versus Eamon de Valera at the 1918 General Election: the eclipse of the Irish parliamentary party by Sinn Féin in east Mayo | Rankin, Kieran | Article in Book | | 2014 |
| John Dillon's reflections on Irish and general politics, 1919-21 | Glandon, V. E. | Article in Journal | | 1974 |
| John Harwood Andrews - an appreciation | Haughton, Joseph P. | Article in Book | | 1992 |
| John Henry Bernard 1860-1927 : a study of a leader of the southern Unionists | MacCarthy, R. B. (Robert B.) | Monograph or Collective Volume | Linden Publishing | 2008 |
| John O'Donovan - Commissioner of New Zealand Police | O'Sullivan, Donal J. | Article in Journal | | 2010 |
| John Paston, bishop of Cork | Flood, William Henry Grattan | Article in Journal | | 1927 |
| John Wesley 1703-1791 : a bicentennial tribute | Walsh, John, 1927- | Monograph or Collective Volume | Dr. Williams's Trust | 1995 |
| John Whelton - 27th July 1927 to 5th January 2008. A neighbour's tribute | Anonymous | Article in Journal | | 2010 |
| Jonathan Swift | Harrison, G. B. | Article in Book | | 1928 |
| Joseph Kavanagh and the attack on the Bastille | Cavanagh, Cathal | Article in Journal | | 2004 |
| Joseph O'Mara | Carton, E. O'MaraPotterton, Robert | Article in Journal | | 1990 |
| Joseph O'Mara operatic tenor | Riordan, Anthony | Article in Journal | | 1992 |
| Jovial Mick Forde group succumb to gas | Fraser, Kenneth C. | Article in Journal | | 1996 |
| Justice Oliver Wendell Holmes and his days at Doneraile | Neely, Alfred S. | Article in Journal | | 1998 |
| Kells Urban District Council Free Milk Scheme (Local ARCHIVES | Fallon, Patricia | Article in Journal | | 2025 |
| Kerry's forgotten historian : Jeremiah King | Moriarty, Edmund | Article in Journal | | 1995 |
| Kerry’s forgotten historian - Jeremiah King | Moriarty, Edmund | Article in Journal | | 1995 |
| Kevin O'Higgins | White, Terence De Vere | Monograph or Collective Volume | [s.n.] | 1966 |
| Kevin O'Higgins | White, Terence De Vere | Monograph or Collective Volume | Methuen | 1948 |
| Kevin O'Higgins : builder of the Irish State | McCarthy, John P. (John Patrick), 1938- | Monograph or Collective Volume | Irish Academic Press | 2006 |
| Kevin O'Higgins, Irish republicanism and the conservative counter-revolution | Regan, John M., 1967- | Article in Book | | 1999 |
| Kevin O'Higgins, the Tullamore realm trial and the ideas of a complex revolutionary | Egan, Richard | Article in Journal | | 2004 |
| Kinship in Irish law | MacNeill, Eoin | Article in Journal | | 1927 |
| Knockbridge miscellany | Ó Néill, Pádraig | Monograph or Collective Volume | Pádraig Ó Néill | 1998 |
| L'architecture religieuse en France à l'époque gothique | Lasteyrie, R. de | Monograph or Collective Volume | [s.n.] | 1927 |
| La comtesse rouge | Pons, Anne | Article in Book | | 1991 |
| Labour and the political revolution | Farrell, Brian | Article in Book | | 1994 |
| Lady Hazel Lavery and the pound note controversy | Nic Cumhaill, Sinead | Article in Journal | | 1992 |
| Lámhscríibhinní Gaeilge, Clár, fascúl 7 : Liosta na gcéadlínte le Pádraig Ó Fiannachta | St. Patrick's College Maynooth | Monograph or Collective Volume | An Sagart | 1973 |
| Language, nationality and cultural identity in the Irish Free State, 1922-7 | O'Callaghan, Margaret | Article in Journal | | 1984 |
| Late Victorian elite formation and philanthropy : the making of Edward Guinness | Bielenberg, Andy | Article in Journal | | 2003 |
| Le drame Irlandais | Paul-Dubois, Louis | Monograph or Collective Volume | Perrin | 1927 |
| Léachtaí Cholm Cille XLVIII : An Moinsíneoir Pádraig Ó Fiannachta: Saol agus Saothar | | Monograph or Collective Volume | An Sagart | 2018 |
| Léann agus diagacht phrotastúnach in Éirinn, 1500-1700 | Ó Glaisne, Risteárd, 1927-2003 | Article in Book | | 1988 |
| Letters concerning Robert Barton | Cofey, Saive | Article in Journal | | 2003 |
| Letters of John Scully to James Duff Coghlan, 1923-27 | MacDermot, B. C. | Article in Journal | | 1983 |
| Letters to his family (1874-1927) | McMahon, Patrick | Monograph or Collective Volume | Polding Press | 1974 |
| Lewis Prytherch's manuscript | | Article in Journal | | 1945 |
| Liam Ó Míodhacháin agus Comisiún na Gaeltachta | Ó Drisceoil, Proinsias | Article in Journal | | 2005 |
| Liberté, égalité, sororité: the poetics of suffrage in the work of Eva Gore-Booth and Constance Markievicz | Arrington, Lauren | Article in Book | | 2016 |
| Life in Wicklow a century ago... 1919 | Finlay, John | Article in Journal | | 2019 |
| List of books and articles on the economic history of Great Britain and Ireland (published 1925 and 1926) | Anonymous | Article in Journal | | 1927 |
| List of publications deposited under the terms of the Industrial and Commercial Property (Protection) Act, 1927, No. 5 : 1935-36 | National Library of Ireland | Monograph or Collective Volume | The Stationery Office | 1937 |
| London football team 1908 : including Sam Maguire and the intriguing M. J. Collins | Anonymous | Article in Journal | | 2000 |
| Looking back 50 years - Strandtown and Limavady | Hunter, J. | Article in Journal | | 1977 |
| Lord Iveagh's Irish hospital in South Africa 1900 | Kinsella, Anthony | Article in Journal | | 2006 |
| Lord Oranmore's journal, 1913-27 | Butler, John | Article in Journal | | 1995 |
| Love letters to a lady : Letters to Lady Castletown from Justice Oliver Wendell Homes, 1896-1926 | Power, Ita | Article in Journal | | 1993 |
| MacNeill and the Boundary Commission | Hand, Geoffrey Joseph | Article in Book | | 1973 |
| Mairtíreach Meicsiceach | Ó Faircheallaigh, Breandán | Monograph or Collective Volume | Rialtas na hÉireann | 1969 |
| Marcus Bourke - a biographical sketch | Nolan, William | Article in Journal | | 2002 |
| Marcus Bourke - bibliography | Anonymous | Article in Journal | | 2002 |
| Marcus Bourke - his GAA Writings | King, Seamus J. | Article in Journal | | 2002 |
| Marcus Bourke and his writings | Marnane, Denis G. | Article in Journal | | 2002 |
| Margaret Clarke as a history painter : Strindbergian (1927) | Briggs, Carla | Article in Book | | 2010 |
| Markievicz : a most outrageous rebel | Naughton, Lindie | Monograph or Collective Volume | Irish Academic Press | 2016 |
| Markievicz : prison letters & rebel writings | Naughton, Lindie | Monograph or Collective Volume | Merrion Press | 2018 |
| Markievicz and the women of the revolution | Farrell, Brian | Article in Book | NA | 1967 |
| Markievicz the rebel countess | Moriarty, MarySweeney, Catherine | Monograph or Collective Volume | O'Brien Press | 1991 |
| Mary Mulligan, neighbour to Countess Markievicz | Curran, Peadar | Article in Journal | | 2022 |
| Masters of Irish music | Gaul, Liam | Monograph or Collective Volume | Nonsuch | 2006 |
| Maurice Davin (1842-1927) : first president of the G.A.A. | Ó Riain, Seamus | Monograph or Collective Volume | Geography Publications | 1994 |
| Max Weber and leadership, Butt, Parnell and Dillon : nationalism in transition | O'Day, Alan | Article in Book | | 2004 |
| Measgra dánta : miscellaneous Irish poems | O'Rahilly, T. F. | Monograph or Collective Volume | | 1927 |
| Memoir, 1913-1927 | Hogan, James | Article in Book | | 2001 |
| Memorials of John Hogan | Clarke, John | Monograph or Collective Volume | [s.n.] | 1927 |
| Memories of '47 | Tighe, Tony | Article in Journal | | 1981 |
| Men of Valour. The third volume of the history of the VIII King's Royal Irish Hussars, 1927-58. | Fitzroy, Olivia | Monograph or Collective Volume | | 1961 |
| Michael Cusack's prairie fire and athletics in Thurles and Moycarkey-Borris | Tobin, J,M, | Article in Journal | | 2017 |
| Michael Ó Conlain 1927-2015. Obituary | O'Brien, Seamus | Article in Journal | | 2017 |
| Ministers advise, Prime Ministers decide? : Secretaries of State for Northern Ireland, and policy making during the conflict, in the Thatcher years | Kilheeney, Emma | Thesis | | |
| Minority verdict : experiences of a Catholic public servant | Hayes, Maurice | Monograph or Collective Volume | Blackstaff Press | 1995 |
| Miscellanea 2. A contemporary account of the Easter Rising in Dublin | Murphy, William | Article in Journal | | 2006 |
| Miscellanea : Visit of the Marquis of Lansdowne to his Limerick estate | Irwin, Liam | Article in Journal | | 2003 |
| Miscellany.The Irish Franciscans in Rome | Corcoran, Timothy Joseph, 1872-1943 | Article in Journal | | 1927 |
| Modhaigh : scéal pobail - scéal Eaglaise | Ó Glaisne, Risteárd, 1927-2003 | Monograph or Collective Volume | An Clóchomhar | 1998 |
| Moreen: From the Pale to Markievicz to the Central Bank | Van Turnhout, Michael | Article in Journal | | 2017 |
| Moulding the future: Na Fianna Éireann and its members, 1909-1923 | Hay, Marnie | Article in Journal | | 2011 |
| Mrs Jellby's daughter : Caroline Agnes Gray (1848-1927) and the 'Freeman's Journal' | Larkin, Felix M. | Article in Book | | 2007 |
| Mrs Markievicz | Edwards, Ruth Dudley | Article in Book | | 2007 |
| Muiris Ó Daimhín (1842-1927) cuid a dó | Ó Nialláin, Tomás | Article in Journal | | 2008 |
| Muiris Ó Daimhín (1842-1927) cuid a dó | Ó Nialláin, Tomás | Article in Journal | | 2008 |
| Muiris Ó Daimhín (1842-1927): na blianta luatha | Ó Nialláin, Tomás | Article in Journal | | 2007 |
| My best shot : the life and times of a hurling legend | Doyle, AndyFlood, Tim | Monograph or Collective Volume | Blackwater Press | 2007 |
| Na Fianna Éireann | Hay, Marnie | Article in Book | | 2017 |
| Na Fianna Éireann and the Irish revolution, 1909-23 : scouting for rebels | Hay, Marnie | Monograph or Collective Volume | Manchester University Press | 2019 |
| Na timirí ré tosaigh an Chonartha, 1893-1927 | Ó Súilleabháin, Donnchadh | Monograph or Collective Volume | Conradh na Gaeilge | 1990 |
| Niall Brunicardi | Ó Glaisne, Risteárd, 1927-2003 | Monograph or Collective Volume | Coiscéim | 1997 |
| Norah McGuinness, W.B. Yeats and the illustrated book | Brown, Karen, 1972- | Article in Book | | 2008 |
| Notes and Queries.The garden at Palmerstown House, Johnstown, Naas, home of Dermot earl of Mayo | Bourke-Borrowes, Kildare | Article in Journal | | 2013 |
| Ó Chaint na ndaoine go dtí an Caighdeán Oifigiúil. | Ó Háinle, Cathal | Article in Book | | 1994 |
| O'Connor of Sylan, Co. Galway | Anonymous | Article in Journal | | 1927 |
| Obituaries | Gilmore, Brian | Article in Journal | | 2017 |
| Obituary : Eamonn Mac Thomáis | Anonymous | Article in Journal | | 2003 |
| Obituary : Mr A. D. Delap | Anonymous | Article in Journal | | 1943 |
| Obituary : Rev Donal Kerr, S.M. 1927-2001 | L., C. | Article in Journal | | 2001 |
| Obituary : the late Jack Redmond | Anonymous | Article in Journal | | 2001 |
| Obituary. Anne Crookshank (1927-2016) | McParland, Edward | Article in Journal | | 2017 |
| Obituary. Bill Jaffray, champion of the Irish Mist Liqueur Company and of Tullamore | Byrne, Michael | Article in Journal | | 2013 |
| Obituary. Dan McEvoy | M., P. | Article in Journal | | 2016 |
| Obituary. David Thomas McAlister (1927-2011) | Cunningham, Jennifer | Article in Journal | | 2011 |
| Obituary. Éilis NÍ Bhrádaigh April 1st 1927 - May 17th 2007 | Anonymous | Article in Journal | | 2007 |
| Obituary. Mai Preisler | Kane, E. | Article in Journal | | 2013 |
| Obituary. Marcus Bourke 1927-2010 | Carthage, Patrick | Article in Journal | | 2010 |
| Obituary. Pat Murphy | O'Connor, Philip | Article in Journal | | 2010 |
| Obituary. Val Horan (1927-2006) | W., M. J.
R., P. | Article in Journal | | 2008 |
| Ofnadwy nos | Evans, Robin | Article in Journal | | 1997 |
| Old Ireland, reminiscences of an Irish K.C. | Sullivan, A. M. | Monograph or Collective Volume | Butterworth | 1927 |
| On the birth of the modern Irish state : the Larkin thesis | Lee, J.J. (John Joseph), 1942- | Article in Book | | 2000 |
| On the language fanatics | Dillon, JohnDillon, Myles | Article in Book | | 2016 |
| Organizing empire : individualism, collective agency, and India | Bose, Purnima | Monograph or Collective Volume | Duke University Press | 2003 |
| Óró Domhnaigh : Pearse Hutchinson as journalist, broadcaster and critic | Woods, Vincent | Article in Book | | 2011 |
| Our man in the Vatican | O'Brien, Martin | Article in Journal | | 2011 |
| Paddy Healy : a rare peace of mind | Goodbody, Rob | Article in Book | | 1998 |
| Pádraic Ó Beirn : file agus sár-Ghaedheal, 1857-1927 | Micheál Óg | Article in Journal | | 1947 |
| Pádraig an Bhíobla | Ó Háinle, Cathal | Article in Book | | 2018 |
| Pádraig Ó Fiannachta - saol agus saothar i Maigh Nuad | Ó Glaisne, Risteárd, 1927-2003 | Article in Book | | 1995 |
| Pádraig Ó Fiannachta : foilsitheoir | Ó hUiginn, Ruairí | Article in Book | | 2018 |
| Pádraig Ó Fiannachta: a dhúchas Duibhneach | Ó Héalaí, Pádraig | Article in Book | | 2018 |
| Painting pictures and telling tales : the scholarly and popular portrayal of Patrick Pearse, 1916-1927 | Gilligan, Shauna | Article in Book | | 2015 |
| 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 |
| Party organisation, political engagement and electioneering in Kerry, 1927-1966 | O'Shea, Owen | Article in Book | NA | 2020 |
| Patrick Cardinal O'Donnell | Silke, John J. | Article in Journal | | 1988 |
| Patrick Cardinal O'Donnell and the Irish language | Ó 'Baoighill, Pádraig | Article in Journal | | 2004 |
| Patrick Galvin's city | Cotter, Patrick | Article in Book | | 2005 |
| Patrick Swift : (1927-1983) an Irish painter in Portugal | Fallon, Brian | Monograph or Collective Volume | Crawford Municipal Art Gallery | 2001 |
| Pearse Hutchinson : a bibliography | Runchman, Alex | Article in Book | | 2011 |
| Pearse Hutchinson : a chronology | Coleman, Philip | Article in Book | | 2011 |
| Peter Connolly (1927-1987) | Egan, Desmond | Article in Journal | | 1987 |
| Peter Ennis : the man who kept Liberty Hall | Ennis, Paul | Monograph or Collective Volume | Irish Labour History Society | 2016 |
| Photographic modernism on the margins : William Harding, The Camera and the Irish salons of photography, 1927 to 1939 | Fitzpatrick, Orla | Article in Journal | | 2018 |
| Photographic modernism on the margins : William Harding, The Camera and the Irish salons of photography, 1927 to 1939 | Fitzpatrick, Orla | Article in Journal | | 2018 |
| Plans of invasion of the British Isles | Rose, John Holland | Article in Book | | 1927 |
| Pottleroth and Kilmanagh | Sparks, Mai | Article in Journal | | 1957 |
| Powering the Nation : images of the Shannon Scheme and electricity in Ireland | O'Brien, Sorcha | Monograph or Collective Volume | Irish Academic Press | 2017 |
| Prehistoric mammals of Ireland I-IV | Forrest, H.E. | Article in Journal | | 1927 |
| President Cosgrave's last administration | Nowlan, Kevin B. | Article in Book | | 1967 |
| Principal works of Emmet Larkin (to 1998) | Mulvey, Helen | Article in Book | | 2000 |
| Prison letters of Countess Markievicz | Markievicz, Constance Georgine, countess Markievicz, 1868-1927 | Monograph or Collective Volume | Virago | 1987 |
| Privileged injuries : defining disability among veterans Of The Irish Revolution (1916-1923) | Coleman, Marie | Article in Journal | | 2022 |
| Problems of spatial and temporal continuity of rural settlement in Ireland, A.D. 400 to 1169 | Barrett, Gillian F. | Article in Journal | | 1982 |
| Professor John A Murphy (1927-2022) | Buttimer, Neil | Article in Journal | | 2022 |
| Professor John A Murphy (1927-2022) | | Article in Journal | | 2022 |
| Proletarian academics or party functionaries? Irish Communists at the International Lenin School, Moscow, 1927-1937 | McLoughlin, Barry, 1949- | Article in Journal | | 1997 |
| Proverbs - the schools' collection : department of Irish folklore, University College Dublin as a source for research | Williams, Fionnuala | Article in Journal | | 1981 |
| Providing context to the Kildare estate maps of John Rocque - John Andrews 1967 article on the French school of Dublin land surveyors | Horner, Arnold | Article in Journal | | 2018 |
| PS ... of course : Patrick Swift, 1927-1983 | | Monograph or Collective Volume | Gandon | 1993 |
| Public administration, 1927-1936 | Barrington, T. J. | Article in Book | | 1967 |
| Quakers in Ireland, 1654-1900 | Grubb, Isobel | Monograph or Collective Volume | | 1927 |
| Raidio na Gaeltachta | Ó Glaisne, Risteárd, 1927-2003 | Monograph or Collective Volume | Cló Chois Fharraige | 1982 |
| Randbemerkninger til det norsk-irske spørsmål | Marstrander, Carl | Monograph or Collective Volume | | 1928 |
| Reading a landscape manuscript : a review of progress in prehistoric settlement studies in Ireland | Cooney, Gabriel | Article in Book | | 1999 |
| Reading between the lines - the Labour Party press until 1949 | Puirséil, Niamh | Article in Journal | | 2003 |
| Reading Philip Huchinson : from Findrum to Fisterra | | Monograph or Collective Volume | Irish Academic | 2011 |
| Rebel Prods : the forgotten story of Protestant radical nationalists and the 1916 Rising | Jones, Valerie | Monograph or Collective Volume | Ashfield Press | 2016 |
| Recollections of the Irish war | Figgis, Edward Darrell | Monograph or Collective Volume | Benn | 1927 |
| Redmond, Dillon and Healy | Callanan, Frank | Article in Book | | 2016 |
| Register of the Cathedral of St. Patrick, Dublin, 1677-1869 | | Monograph or Collective Volume | Representative Church Body Library | 2007 |
| Registers of baptisms, marriages, and burials ... church of St Patrick [Dublin] ... 1677-1800 | | Monograph or Collective Volume | | 1900 |
| Remembering your mercy : Mother Cecelia Maher and the first Sisters of Mercy in New Zealand 1850-1880 | Kirk, Marcienne D., 1927- | Monograph or Collective Volume | Sisters of Mercy | 1998 |
| Renaissance woman | McParland, Edward | Article in Journal | | 2017 |
| Rental of Connello, [c. 1452] | Anonymous | Article in Book | | 1927 |
| Republican days : 75 years of Fianna Fáil | Breathnach, Mairtín | Monograph or Collective Volume | Ashville Media Group | 2002 |
| Review article : Public intellectuals: John A., Conor and the lads in the back | Akenson, Donald Harman | Article in Journal | | 2007 |
| Review article. Perspectives on Ireland's past, fiction, facts, interpretations | Clarkson, L. A. (Leslie A.) | Article in Journal | | 2016 |
| Reviving and fostering Gaelic games, part 3, 1915-1927 | O'Reilly, Paddy | Article in Journal | | 1999 |
| Revolutionary lives : Constance and Casimir Markievicz | Arrington, Lauren | Monograph or Collective Volume | Princeton UP | 2016 |
| Rewriting the past : historical pageantry in the Dublin Civic Weeks of 1927 and 1929 | Dean, Joan Fitzpatrick | Article in Journal | | 2009 |
| Richard II in Ireland 1394-95 and submissions of the Irish chiefs | Curtis, Edmund, 1881-1943 | Monograph or Collective Volume | | 1927 |
| Richard Talbot, archbishop and chancellor, 1418-1449 | Bernard, J. H. (John Henry), 1860-1927 | Article in Journal | | 1919 |
| Risteárd Earnán Ó Glaisne 1927-2003 | Good, Sara | Article in Journal | | 2015 |
| Risteárd Ó Glaisne 1927-2003 : in memoriam | McCormack, Nancy | Article in Journal | | 2005 |
| Ronnie : The authorised biography of Veronica Dunne | Maxwell, Alison | Monograph or Collective Volume | Ashfield Press | 2016 |
| Rural electrification and the arrival of the "electric" in county Offaly | Gibbons, John | Article in Journal | | 2018 |
| Rural school amalgamation in the parish of Drumcree : perplexities of interdenominationalism in the early twentieth century | Moffat, Chris | Article in Journal | | 2004 |
| Sacco and Vanzetti : Mary Donovan and transatlantic radicalism in the 1920s | Whelehan, Niall | Article in Journal | | 2020 |
| Sam Maguire (1877-1927): a cousin of mine | Maguire, George | Article in Journal | | 2010 |
| Sam Maguire : the enigmatic man behind Ireland's most prestigious trophy | Walsh, Margaret | Monograph or Collective Volume | Kenneigh Tower Publications | 2003 |
| Sam Maguire : the man : the cup | Lyons, Raymond | Article in Journal | | 1997 |
| Samuel Beckett as a cricketer | Luce, John | Article in Book | | 2003 |
| Samuel Beckett's undergraduate course at Trinity College, Dublin | Luce, John | Article in Journal | | 2001 |
| Say Nope to the Pope : performance and resistance in the creative interventions during the 2018 papal visit to Ireland | Antosik-Parsons, Kate | Article in Journal | | 2024 |
| Scéal na Teangeolaíochta Feidhmí in Éireann | Ní Dheirg, Íosold | Article in Book | Institiúid Teangeolaíochta Éireann, 1997) | 1997 |
| Scholarly publications, newspaper and periodical contributions, Senate speeches and other addresses | Murphy, John A. | Article in Book | | 2005 |
| Scotch-Irish and the history of Londonderry | Pillsbury, Hobart | Article in Journal | | 1927 |
| Scottish and Irish diaries : from the sixteenth century to the nineteenth century | Ponsonby, Arthur Augustus William Harry, 1st Baron Ponsonby | Monograph or Collective Volume | Methuen | 1927 |
| Seanchas Jimmí Chearra Chois Fharraige | | Monograph or Collective Volume | Coiscéim | 2013 |
| Seanchus agus Geinealach na mBúrcach : Historia et Genealogia Familiae De Burgo | | Article in Journal | | 1928 |
| Seanchus Búrcach : History of the Burkes | | Article in Journal | | 1928 |
| Select documents XLV. Lord Oranmore’s journal, 1913-27 | | Article in Journal | | 1995 |
| Sermon at Sean's Requiem Mass | Smith, Sean | Article in Journal | | 2002 |
| Sir Charles A. Cameron (1803-1921) | Mac Thomáis, Éamonn, 1927-2002 | Article in Journal | | 1968 |
| Snapshots of a Free State | Toms, David | Article in Journal | | 2019 |
| Social life in Ireland 1927-1937 | White, Terence De Vere | Article in Book | | 1967 |
| Social life in Ireland 1927-1937 | White, Terence De Vere | Article in Journal | | 1965 |
| Soiscéal na Gaeilge á scaipeadh | Ó Cearúil, Micheál | Article in Book | | 2018 |
| Some aspects of Irish influence on Yorkshire | Smith, Albert Hugh | Article in Journal | | 1927 |
| Some Church of Ireland women in 1916 and after | Fenton, Albert | Article in Journal | | 2016 |
| Some curious rock carvings in county Mayo | Lawlor, H.C. | Article in Journal | | 1927 |
| Some notes on Hutcheson Macauley Posnett, 1855-1927 | Leerssen, J. Th. (Joep) | Article in Book | | 2010 |
| Some seventeenth century Irish colonists in New Jersey | Mahony, W. H. | Article in Journal | | 1927 |
| Song for a raggy boy : a Cork boyhood | Galvin, Patrick | Monograph or Collective Volume | Raven Arts Press | 1991 |
| Speaking ill of the dead | Dungan, Myles | Monograph or Collective Volume | New Island | 2007 |
| Sport, migration and national identity in contemporary Irish media | Free, Marcus | Article in Journal | | 2024 |
| St Anthony's College of the Irish Franciscans, Louvain : 1927-1977, 1607-1977 | Conlan, Patrick, 1940- | Monograph or Collective Volume | | 1977 |
| St Mary's Catholic Church | Rooney, John | Article in Journal | | 1998 |
| St Stephen's Green and the trenches of the 1916 Rising | Brück, Joanna | Article in Journal | | 2014 |
| St. Anthony' College of the Irish Franciscans Louvain, 1927-1977, 1607-1977 | Conlon, Patrick | Monograph or Collective Volume | Assisi Press | 1977 |
| St. Patrick's reading | Dronke, Peter | Article in Journal | | 1981 |
| Stair Litríocht Ghaeilge Dhún Na nGall le Céad Bliain Anuas | Mac Congáil, Nollaig | Article in Book | | 1995 |
| Stair na Gaeilge : in ómós do Pádraig Ó Fiannachta | | Monograph or Collective Volume | Roinn na Sean-Gaeilge, Coláiste Phádraig | 1994 |
| State censorship of Irish-language publications in the twentieth century | Ní Frighil, Ríona | Article in Book | | 2025 |
| Sweathouses and simple stone structures in county Louth and elsewhere in Ireland | Weir, Anthony | Article in Journal | | 1979 |
| Sweet Killough, let go your anchor | Hayes, Maurice | Monograph or Collective Volume | Blackstaff Press | 1994 |
| Swift in the sun | Murray, Peter | Article in Journal | | 2019 |
| Tableau vivant | O'Kane, Marianne | Article in Journal | | 2005 |
| Terminal diseases in the parish of Derriaghy, Co. Antrim, 1827-1927 | Kerr, William | Article in Journal | | 1991 |
| Terrible beauty : a life of Constance Markievicz | Norman, Diana | Monograph or Collective Volume | Poolbeg | 1991 |
| Terrible beauty : a life of Constance Markievicz, 1868-1927 | Norman, Diana | Monograph or Collective Volume | Hodder and Stoughton | 1987 |
| The 1923 Land Act : some new perspectives | Dooley, Terence A. M.McCarthy, Tony | Article in Book | | 2015 |
| The 1926 Imperial Conference and Kevin O'Higgins's proposals for a dual monarchy | | Article in Journal | | 2013 |
| The Abbey of Templemoyle or Kells, co. Antrim | Skillen, Joseph | Article in Journal | | 1927 |
| The American dollars that saved Ireland in 1880 | Comerford, Evan | Article in Journal | | 2022 |
| The American Irish | Shannon, William V., 1927-1988 | Monograph or Collective Volume | Macmillan | 1964 |
| The Amritsar Massacre, 1919: the Irish connection | Grace, Pierce A. | Article in Journal | | 2010 |
| The Ancient Order of Hibernians in Donegal 1904-1927 | Beattie, Sean | Article in Journal | | 2018 |
| The annals in Cotton MS Titus A XXV | | Article in Journal | | 1927 |
| The Bagenal letters | Sheehan, Richard | Article in Journal | | 2010 |
| The Belcamp Park story: the Swift - Grattan - Markievicz connection | Coyle, Eugene A. | Article in Journal | | 2010 |
| The bibliographical legacy of An Seabhac (1883-1964) | Ní Loingsigh, Deirdre | Article in Book | | 2025 |
| The Book of Kells described. | Sullivan, Edward | Monograph or Collective Volume | | 1952 |
| The Broighter hoard or how Cavan caught the boat | Neill, Ian | Article in Journal | | 1993 |
| The Bundoran Express - a memoir | Friel, Charles P. | Article in Journal | | 2007 |
| The Bundoran express : a memoir | Friel, Charles P. | Article in Journal | | 2007 |
| The burning of Dundrum Barracks in January 1923 | Smith, Margaret | Article in Journal | | 2024 |
| The Burrow sandyhoppers | Weston, Paddy | Article in Journal | | 1998 |
| The Callahans and the Murphys (MGM, 1927) : a case study of Irish-American and catholic church censorship | Walsh, Francis R. | Article in Journal | | 1990 |
| The campaigns and history of the Royal Irish Regiment, vol. 2 : From 1910 to 1922 | Geoghegan, Stannus | Monograph or Collective Volume | | 1927 |
| The cathedral church of Saint Patrick : a history and description of the building | Bernard, J. H. (John Henry), 1860-1927Oulton, J. E. L. | Monograph or Collective Volume | Talbot Press | 1940 |
| The cathedral church of St Fachtna, Ross | Webster, Charles A. | Monograph or Collective Volume | Guy & Co. | 1927 |
| The cathedral church of St Patrick | Bernard, J. H. (John Henry), 1860-1927 | Monograph or Collective Volume | | 1903 |
| The charm of Ireland. Her places of beauty, entertainment, sport and historic association | Gwynn, Stephen Lucius, 1864-1950 | Monograph or Collective Volume | | 1934 |
| The charters of the Cistercian abbey of Duiske in the county of Kilkenny | NA | Article in Journal | | 1918 |
| The Christy Flynn interview | Murphy, Vincent | Article in Journal | | 1996 |
| The church of St. Lua or Molua, Friar's Island near Killaloe | Leask, H. G. (Harold G.) | Article in Journal | | 1930 |
| The Cleggan Bay disaster : an account of the savage storm in October 1927 | Feeney, Marie | Monograph or Collective Volume | Penumbra Press | 2001 |
| The collected works of Sir William Petty | Petty, William, Sir, 1623-1687 | Monograph or Collective Volume | Routledge and Thoemmes | 1997 |
| The colonized in the colonies : representation of celts in Victorian battle painting | Kestner, Joseph A. | Article in Book | | 1996 |
| The complete gardener - a life of Jimmy Pyne | O'Sullivan, Michael | Article in Journal | | 2014 |
| The correspondence of Myles Dillon 1922-1925 : Irish-German relations and Celtic studies | | Monograph or Collective Volume | Four Courts | 1999 |
| The death of Jim Farrell: Community, society and mortality in County Offaly in the early 1900s | Farrell, Lorna B. | Article in Journal | | 2013 |
| The Desmond survey of County Kerry | | Monograph or Collective Volume | | 1923 |
| The Diary of Elizabeth Dillon: A gateway to the otherness of the past | Dillon, Elizabeth | Monograph or Collective Volume | Currach Books | 2019 |
| The Dillon papers | Ó Seanóir, Stuart | Article in Book | | 1986 |
| The Dillons: a Mayo family in history | Dillon, John M. | Article in Book | | 2014 |
| The dog that didn't bark: Southern Unionism in pre- and post-revolutionary Ireland | Ó Beacháin, Donnacha | Article in Journal | | 2015 |
| The early decades of the G.A.A. in Carlow | O'Toole, Jimmy | Article in Journal | | 2008 |
| The electoral policies of Fianna Fáil, 1927-32 | Buckley, Patrick Alphonsus | Thesis | | 1984 |
| The electric hare : grehound racing's development in Ireland, 1927-58 | Toms, David | Article in Journal | | 2013 |
| The English language in Ireland | Hogan, J. J. | Monograph or Collective Volume | | 1927 |
| The Englishman Who Cried ‘Let Ireland Go’ | O'Hanlon, Oliver | Article in Journal | | 2024 |
| The evolution of Ógra Fianna Fáil | O'Shea, Mary | Article in Book | | 1996 |
| The Falstaff saga : being the life and opinions of Captain Nicholas Dawtrey, sometime seneschal of Claneboye and warden of the palace of Carrickfergus. Immortalized by Shakespeare as Sir John Falstaff | Dawtrey, John | Monograph or Collective Volume | | 1927 |
| The father of Ulster antiquaries | Wilson, Peter | Article in Journal | | 2000 |
| The foundation of Tintern Abbey, Co. Wexford | Bernard, J. H. (John Henry), 1860-1927 | Article in Journal | | 1917 |
| The founders of the Gaelic Athletic Association | Hurley, James | Article in Journal | | 1960 |
| The GAA and revolutionary Irish politics in late nineteenth-and early twentieth-century Ireland | Hassan, DavidMcGuire, Andrew | Article in Journal | | 2016 |
| The glamour of ancient greatness | Carew, Mairéad | Article in Journal | | 2008 |
| The gulf lumber company, Fullerton : a view of lumbering during Louisana's golden era | Burns, Anna C. | Article in Journal | | 1979 |
| The Harvey families of Inishowen, co. Donegal and Maen, co. Cornwall. 2 vols. | Harvey, G. H. | Monograph or Collective Volume | | 1927 |
| The historical St. Columba. | Simpson, W. D. | Monograph or Collective Volume | | 1963 |
| The history of the Royal Munster Fusiliers, 1 : From 1652 to 1860; 2 : From 1861 to 1922 disbandment. 2 vols. | MacCance, Stouppe | Monograph or Collective Volume | | 1927 |
| The history of the VIII King's Royal Irish Hussars, 1693-1927. 2 vols. | Murray, Robert Henry | Monograph or Collective Volume | | 1928 |
| The impact of the discipline : Irelands New England and New York | Worrall, Arthur J. | Article in Journal | | 1979 |
| The Irish | Shannon, William V., 1927-1988Sklare, Marshall | Article in Journal | | 1965 |
| The Irish economies | Black, William, 1927- | Monograph or Collective Volume | Queen's University of Belfast | 1977 |
| The Irish Free State and the electricity industry, 1922-1927 | Schoen, Lothar | Article in Book | | 2002 |
| The Irish Free State and the electricity industry, 1922-1927 | Schoen, Lothar | Article in Book | | 2002 |
| The Irish Free State's first diplomats : jealousy, anti-semitism and revenge | Kelly, Darren | Article in Journal | | 2016 |
| The Irish government that never was | Mitchell, Arthur | Article in Journal | | 1973 |
| The Irish in America : starvation, struggle and success | Shannon, William V., 1927-1988 | Article in Book | | 1977 |
| The Irish in New London, Conn., in the 17th and 18th centuries : the interesting diary of Joshua Hempstead | O'Brien, M. J. | Article in Journal | | 1927 |
| The Irish in the American colonies | O'Brien, M. J. | Article in Journal | | 1927 |
| The Irish labour party, 1927-1933 | McKay, Enda Gerald | Thesis | | 1983 |
| The Irish Liber Hymnorum | Bernard, J. H. (John Henry), 1860-1927 | Monograph or Collective Volume | Henry Bradshaw Society | 1898 |
| The Irish Parliamentary Party and the third Home Rule crisis | McConnel, James | Monograph or Collective Volume | Four Courts | 2013 |
| The judges in Ireland, 1221-1921. 2 vols. | Ball, F. E. | Monograph or Collective Volume | | 1927 |
| The labour and the 'Royal' | Mac Thomáis, Éamonn, 1927-2002 | Monograph or Collective Volume | O'Brien Press | 1979 |
| The largest amount of good: Quaker relief efforts | Hatton, Helen E. | Article in Book | | 2012 |
| The leader of the band : the life and history of Patrick J. McNamara and McNamara's band | Mulchay, Derek | Monograph or Collective Volume | Limerick Writers' Centre | 2021 |
| The life of St Gall | Joynt, Maud | Monograph or Collective Volume | Llanerch | 1992 |
| The Life of Tim Healy | O'Flaherty, Liam | Monograph or Collective Volume | | 1927 |
| The mayor who cleaned up New York : a political biography of William E. Dever | Schmidt, John R. | Monograph or Collective Volume | Northern Illinois University Press | 1989 |
| The National Athletic Association of Ireland and Irish athletics, 1922-1937 : steps on the road to athletic isolation | Hunt, Tom | Article in Journal | | 2016 |
| The origins of the Irish monastic tradition at Ratisbon (Regensburg) | Breatnach, Pádraig A. | Article in Journal | | 1980 |
| The party : inside Fianna Fáil | Walsh, Dick | Monograph or Collective Volume | Gill & Macmillan | 1985 |
| The Petty papers : some unpublished writings of Sir William Petty | | Monograph or Collective Volume | Constable | 1927 |
| The Planters of Luggacurran. County Laois : a protestant community, 1879-1927 | Coffey, Leigh-Ann | Monograph or Collective Volume | Four Courts | 2006 |
| The Polish Irishman: the life and times of Count Casimir Markievicz | Quigley, Patrick | Monograph or Collective Volume | The Liffey Press | 2012 |
| The power game : Ireland under Fianna Fáil | Collins, Stephen | Monograph or Collective Volume | O'Brien Press | 2001 |
| The printed maps in the atlases of Great Britain and Ireland : a bibliography, 1579-1870 ... With an introduction by F.P. Sprent ... and biographical notes on the map makers, engravers and publishers by T. Chubb assisted by J.W. Skells and H. Beharrell | Chubb, T. | Monograph or Collective Volume | | 1927 |
| The protestant inheritance and the new Ireland | Gwynn, E.J. (Edward John) | Article in Book | | 2016 |
| The Radical Club: a 1920s forum for 'progressive cultural activity' | Trench, Brian | Article in Journal | | 2019 |
| The rebel countess : Countess Markievicz | Oikarinen, Sari | Article in Book | | 1996 |
| The rebel countess : the life and times of Constance Markievicz | Marreco, Anne | Monograph or Collective Volume | Weidenfeld and Nicolson | 1967 |
| The Renihan diaries (c.1882-1925) | Griffin, Kevin M.Renihan, Michael, 1849-1927 | Monograph or Collective Volume | Ballina Killaloe Print | 2005 |
| The Reverend Canon Henry Kingsmill Moore, DD, Ball. Coll. Oxon., FLS, and Church of Ireland education, 1880-1927 | Parkes, Susan M. | Article in Book | | 2005 |
| The rhetoric of nationalism : the Garvey movement and Sinn Fein | Sweet, James H. | Article in Journal | | 1995 |
| The riddle of the Irish | Molony, J. C. | Monograph or Collective Volume | Methuen | 1927 |
| The rise and decline of Fianna Fáil | Boland, Kevin | Monograph or Collective Volume | Mercier Press | 1982 |
| The role of the pig in food conservation and storage in traditional Irish farming | Watson, Mervyn | Article in Journal | | 1998 |
| The role of women and religion in the 1916 Rising | Murphy, Sandra | Article in Journal | | 2015 |
| The Rule of Tallaght | | Article in Journal | | 1927 |
| The Ryans - who are they? | Ryan, Patrick M. | Article in Journal | | 1993 |
| The Saundersons of Castle Saunderson | Curtin, Winifred | Article in Journal | | 2003 |
| The soldiers set out : reflections on the formation of Fianna Fáil | Dunphy, Richard | Article in Book | | 1996 |
| The South Dublin Union | Mac Thomáis, Éamonn, 1927-2002 | Article in Journal | | 1973 |
| The St Mary's story : St Mary's Grammar School, Magherafelt, 1927-2002 | Ó Doibhlin, Diarmaid | Monograph or Collective Volume | St Mary's Grammar School | 2002 |
| The Stoneyford, County Antrim to Coleraine, Australia : the diary of Samuel Connor, MD. | Geary, Laurence M. | Article in Journal | | 1995 |
| The story of the Scots: the plantation of Ulster 1610-1630, heritage map and pocket history | | Monograph or Collective Volume | Ulster Historical Foundation | 2011 |
| The topographical development of Kildare | Andrews, J.H., 1927-2019 | Article in Book | | 2023 |
| The United Irish League. First Public Meeting in Westport 120 years ago | Clarke, Aiden | Article in Journal | | 2018 |
| The university and college libraries of Great Britain and Ireland. A guide to the material available for the research student | Newcombe, Luxmoore | Monograph or Collective Volume | | 1927 |
| The vicars of Newry, with lists of curates and churchwardens | Swanzy Henry B. | Monograph or Collective Volume | R. Carswell & Son | 1927 |
| The wandering scholars | Waddell, Helen | Monograph or Collective Volume | [s.n.] | 1927 |
| There is an isle : a Limerick boyhood | O'Flynn, Criostoir | Monograph or Collective Volume | Mercier Press | 1998 |
| Thesis abstract : Government by journalism : Sligo and the newspaper industry,
1885–1927 | Wehrly, Mark | Article in Journal | | 2010 |
| This is the white man's day : the Irish, white radical identity, and the 1866 Memphis riots | Walker, Barrington | Article in Journal | | 1997 |
| Thomas Johnson and Dáil Éireann: a study of a Labour leader's parliamentary, career, 1922-27 | O'Sullivan, Sheena Maria | Thesis | | 1996 |
| Three shouts on a hill | Mac Thomáis, Éamonn, 1927-2002 | Monograph or Collective Volume | An Phoblacht | no date given |
| Through the lens of Charles Vize [Photographs] | | Article in Journal | | 2005 |
| Thurles Credit Union : 40 years serving the community : Thurles Credit Union, 1961-2001 | Thurles Credit Union | Monograph or Collective Volume | Lisheen | 2001 |
| Tipperary and the evicted tenants : the John Dillon papers | Ó Seanóir, Stuart | Article in Journal | | 1988 |
| Tomás Ó Fiaich | Ó Glaisne, Risteárd, 1927-2003 | Article in Journal | | 1992 |
| Tomás Ó Fiaich | Ó Glaisne, Risteárd, 1927-2003 | Monograph or Collective Volume | Coiscéim | 1990 |
| Torna (Tadhg Ó Donnchadha) | Ó Glaisne, Risteárd, 1927-2003 | Article in Book | | 1993 |
| Town & country: perspectives from the Irish Historic Towns Atlas | | Monograph or Collective Volume | Royal Irish Academy | 2023 |
| Transfer to Glantane | Leahy, Tim | Article in Journal | | 2009 |
| Tribute. Professor Thomas Alexander Preston, 13 August 1927 - 28 December 2009 | Casteleyn, Mary | Article in Journal | | 2010 |
| Trinity College Dublin : The Provosts, 1592-1927 | Boyle, Peter | Monograph or Collective Volume | Hinds | 2015 |
| Two great Irishwomen : Maud Gonne MacBride, Constance Markievicz | Ní Éireamhoin, Eibhlin | Monograph or Collective Volume | Fallon | 1971 |
| Un galego en Irlanda. Ano 1927 | Castro, Plácido R. | Article in Journal | | 2003 |
| Uncovering ambiguities in some uses of the concept of ethnic voting | Plax, Martin | Article in Journal | | 1971 |
| Under the shadow of the Summerhills | McDonnell Garvey, Máire | Monograph or Collective Volume | The author | 2004 |
| Unfeminine women and angry men : the Irish Post Office in 1902-1918 | Jang, Jin Kyung | Article in Journal | | 2024 |
| Up Kerry! Up the IRA! Kerry's 1927 American tour | Mahon, Tom | Article in Journal | | 2010 |
| 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 |
| W S Doyle and the St Kevin's Bus Service | Timmons, Martin C. | Article in Journal | | 2007 |
| Westport Sluagh Na Fianna Éireann (Irish National Boy Scouts) | | Article in Journal | | 2006 |
| What happened to Fr Seán Fagan? | Hanley, Angela | Monograph or Collective Volume | Columba Press | 2019 |
| What kind of Irish was spoken in Westmeath? | Finnegan, Aengus | Article in Journal | | 2013 |
| Who was present at the founding of the GAA at Thurles in 1884? | Tobin, J.M. | Article in Journal | | 2015 |
| Who was Sam Maguire? | Stronge, Junette | Article in Journal | | 2017 |
| William Hanlon. A sterling Wicklow Gael | Finlay, John | Article in Journal | | 2010 |
| William O'Brien's Canadian correspondence | Lyne, Daniel C. | Article in Journal | | 1971 |
| William of Malmesbury and the Irish | Slover, C. H. | Article in Journal | | 1927 |
| William of Malmesbury's 'Life of St. Patrick' | Slover, C. H. | Article in Journal | | 1927 |
| Wittgenstein's Irish cottage | Hayes, John | Article in Journal | | 2018 |
| Women in college, 1927-1977 | Otway-Ruthven, Annette Jocelyn, 1909-1989 | Article in Journal | | 1977 |
| Women in Ireland in the 1930s and 1940s | Clear, Caitríona | Article in Book | | 2012 |
| Women of substance | O'Brien, Paul | Article in Journal | | 2014 |
| Women, press, and politics during the Irish revival | Steele, Karen | Monograph or Collective Volume | Syracuse University Press | 2007 |
| ‘... Whenever the tale of ’98 is told’ : Constance Markievicz,
the national memory and ‘The women of ninety-eight’ | Caulfield, Mary P. | Article in Book | | 2014 |