| "16" The 16th Irish division and 1916 : Roger Casement and the Irish Volunteers | Mitchell, Angus | Article in Journal | | 2002 |
| "A great battle" - Bishop James A. Goold of Melbourne (1848-1864) | Martin, F. X. (Francis Xavier), 1922-2000 | Article in Book | NA | 1986 |
| "A strange chapter of Irish history": Sir Roger Casement, Germany and the 1916 Rising | Mitchel, Angus | Article in Journal | | 2012 |
| "At the grave of Shane O'Neill." The commemorations at Shane's cairn, Cushendun. 1908-1914 | Carter, Roland Spottiswode | Article in Journal | | 2010 |
| "Dishonoured" : the 'Colonels' surrender' at St Quentin, the retreat from Mons, August 1914 | Scott, Peter T. | Monograph or Collective Volume | Tom Donovan | 1994 |
| "Everything depends on the first year" : archbishop John Hughes and his fundraising plan for St. Patrick's Cathedral | Feighery, Kate | Article in Journal | | 2015 |
| "Everything Depends on the First Year" : Archbishop John Hughes and his fundraising plan for St. Patrick's Cathedral | Feighery, Kate | Article in Journal | | 2015 |
| "No one but black strangers to spake to god help me" : Irish Women 's Migration to the West Coast, 1864-1915 | Fraser, Lyndon | Article in Book | University of Otago Press | 2002 |
| "Phases of a dishonourable phantasy" | Mitchel, Angus | Article in Journal | | 2012 |
| "Scallions, pikes and bog oak ornaments" : the Irish Republican Brotherhood and the Chicago Fenian Fair, 1864 | Griffin, Brian | Article in Journal | | 1995 |
| "The German soldier is not tactful" : Roger Casement and the Irish brigade in Germany during the First World War | Broth, Andreas | Article in Journal | | 1995 |
| "The ideal of a soldier and a gentleman" | Bennett, Brian | Article in Journal | | 1991 |
| "The Lever Must be Applied in Ireland" : Marx, Engels, and the Irish Question | Rodden, John | Article in Journal | | 2008 |
| "Three cheers for the Union" : Catholic chaplains and Irish loyalty during the American Civil War | Endres, David J. | Article in Journal | | 2021 |
| "When the gaze must not be averted: The testament for humanity in the universality of Roger Casement's humanitarian vision" | Higgins, Michael D. | Article in Journal | | 2018 |
| ‘To solitude consigned’ : the Tasmanian journal of William Smith O’Brien, 1849-1853 | | Monograph or Collective Volume | Crossing Press | 1995 |
| 'A lamp kindled' : the Sisters of Mercy and Tipperary town | Marnane, Denis G. | Monograph or Collective Volume | St Anne's Secondary School, Board of Management | 2000 |
| 'A Mixing of Social and National Aspirations'.
The Irish Self-Determination League of Great Britain (ISDL), 1919-31 | Manning, Pádraig | Article in Journal | | 2019 |
| 'A typical collection of lower middle-class Londoners'. The composition of the jury that tried and convicted Roger Casement | Howlin, Niamh | Article in Journal | | 2017 |
| 'An Irish Putumayo' : Roger Casement's humanitarian relief campaign among the Connemara islanders 1913-14 | Mitchell, Angus | Article in Journal | | 2004 |
| 'An ordinary commonplace outbreak of everyday dirty bigotry' : Walter Dwyer and the St. Patrick's Day procession in Perth, 1915 | Mortimer, Maureen | Article in Journal | | 2005 |
| 'Artistic bombs': three 'shemus' cartoons 1922 | Larkin, Felix M. | Article in Journal | | 2011 |
| 'Execution of Rpger Casement'. A commemorative medal by Karl Goetz, 1916 | Lawler, Ian | Article in Journal | | 2016 |
| 'Forgotten schooldays' : Oscar Wilde at Portora Royal School, Iniskillen, County Fermanagh, Ireland, 1864 to 1871 | White, Heather | Monograph or Collective Volume | Principa Press | 2002 |
| 'Immorality' in the workhouse | Murphy, Hilary | Article in Journal | | 1996 |
| 'Of all the trials not to paint...' Sir John Lavery's painting High Treason Court of Criminal Appeal : the trial of Roger Casement 1916 | Marshall, Catherine | Article in Book | | 2015 |
| 'Our Irish canon, your Irish canon' : Macmillan's Irish list, 1899-1968 | Gould, Warwick | Article in Book | | 2011 |
| 'Seditious literature' and a burning piano | Casement, Tom | Article in Book | | 2016 |
| 'Stamp out this vermin' | Wilson, Henry, Sir | Article in Book | | 2016 |
| 'Syphilis is given over to sentimentalists': the 'Dublin Medicval Press and Circuler' and the drive to extend the Contagious Diseases Acts | Daly, Ann | Article in Journal | | 2015 |
| 'The German soldier is not tactful' : Sir Roger Casement and the Irish Brigade in Germany during the First World War | Roth, Andreas | Article in Journal | | 1995 |
| 'The impiety of the intellect' : Whitley Stokes and the Pre-Raphaelites | Boyle, Elizabeth | Article in Book | NA | 2011 |
| 'The last of the hereditary bards of Thomond' Séamus Mac Cruitín, 1815-70 | Ó Dálaigh, Brian | Article in Journal | | 2007 |
| 'The ship must go and I must go' : Roger Casement's last adventure | Dwyer, T. Ryle | Article in Book | Irish Historical Publications | 2016 |
| 'The unbought and spontaneous offering of a generous and oppressed people' : the 1841 Irish testimonial to Lord Morpeth | Cosgrove, Patrick J. | Article in Book | | 2013 |
| 'The vast difficulty of cataloguing' : the printed catalogue of Trinity College, Dublin (1864-1887) | Kinane, VincentO'Brien, Ann | Article in Journal | | 1988 |
| 'Turbulant Priest': How the British Government's decision to bar Archbishop Mannix from Ireland helped to rally the exiles in Britain | Dunleavy, John | Article in Journal | | 2010 |
| 'With the eyes of another race, of a people once hunted themselves' : Casement, colonialism and a remembered past | O'Callaghan, Margaret | Article in Book | | 2005 |
| 1 February 1922: Frank Walsh’s American Imperialism - Irish Revolution and American Empire | Brundage, David | Article in Book | | 2022 |
| 10 years of Tionól Mhic Easmainn | Ní Concubhair, Aoife | Article in Journal | | 2019 |
| 16 lives : Roger Casement | Mitchell, Angus | Monograph or Collective Volume | O'Brien Press | 2013 |
| 21 January 1922: The Irish Race Congress - Global Ireland | Gannon, Darragh | Article in Book | | 2022 |
| 22 June 1922: The Assassination of Sir Henry Wilson : ‘Dying Bravely As Soldiers’: An Irish Tragedy | McGarry, Fearghal | Article in Book | | 2022 |
| A 19th century masterpiece of a master by a master | Ryan, Mary Stratton | Article in Journal | | 2013 |
| A battle royal for Maryborough in first county council elections | Fennelly, Teddy | Article in Journal | | 2004 |
| A brief reply to the second edition of The Irish Church : its history and statistics, by Mr Sergeant Shee | Stopford, E. A., Archdeacon of Meath | Monograph or Collective Volume | | 1864 |
| A case of undercutting wages? : Sectarian tension and the Barrow anti-Irish riot of 1864 | MacRaild, Donald M. | Article in Journal | | 1996 |
| A century of science in the I.E.R : Monsignor Molloy and Father Gill | McLaughlin, Patrick J. | Article in Journal | | 1964 |
| A charge addressed to the clergy of the Dioceses of Armagh and Clogher at the Annual Visitation, 1864 | Gervais, Marcus | Monograph or Collective Volume | Hodges, Foster | 1865 |
| A civil war profile : Col. James A. Mulligan of "The Irish Brigade" | Kreisman, Daniel Z. | Article in Journal | | 1999 |
| A Clareman in Van Diemen's land : the Tasmanian journal of William Smith O'Brien | Nolan, William | Article in Journal | | 1992 |
| A County Roscommon wedding, 1892 : the marriage of John Hughes and Mary Gavin | Fallon, Rosaleen | Monograph or Collective Volume | Four Courts | 2004 |
| A farewell to famine | Rees, Jim | Monograph or Collective Volume | Arklow Enterprise Centre | 1994 |
| A forgotton Sligo-born patriot | McTernan, John C. | Article in Journal | | 2017 |
| A future for the history of Ireland’s sporting past? an essay in review | Toms, David | Article in Journal | | 2018 |
| A Great Irish Archbishop : Daniel Mannix, Archbishop of Melbourne | Murphy, Frank | Article in Journal | | 1965 |
| A great Irish official | Gwynn, Stephen Lucius, 1864-1950 | Article in Journal | | 1923 |
| A history of the king's sergeants at law in Dublin : honour rather than advantage | Hart, A. R. | Monograph or Collective Volume | Four Courts | 2000 |
| A journey ... a dream : the Drumshanbo nuns' story, 1864-2000 | Horan, Margaret V. | Monograph or Collective Volume | The author | 2000 |
| A lecture on the history of the bishops of Cork and cathedral of St Fin Barre | Caulfield, Richard | Monograph or Collective Volume | Purcell & Co., Printers | 1864 |
| A letter from the Venerable Ignatius of St Paul Spencer, C.P., and the prayers of the Irish for the conversion of England | Cunningham, John M. | Article in Journal | | 2024 |
| A letter of Roger Casement (1888) in the Sanford collection | Thompson, Brooks | Article in Journal | | 1962 |
| A man from Barnaderg (the story of Rickard Jennings) | Doyle, Maureen | Article in Journal | | 1993 |
| A monthly stock exchange index for Ireland, 1864–1930 | Lyons, Ronan C.O'Rourke, Kevin HjortshøjRichard S. Grossman, Richard S.Ursu, Madalina A. | Article in Journal | | 2014 |
| A National Gallery for Ireland : issues of ideological significance | Bhreathnach-Lynch, Síghle | Article in Book | | 2002 |
| A new Model School in Lurgan, 1864 | Anonymous | Article in Journal | | 2012 |
| A preliminary view of the insect assemblages from the early Christian rath site at Deer Park Farms, Northern Ireland | Allison, Enid P.Kenward, Harry Kenneth | Article in Book | | 1994 |
| A rare document of Irish history : "High Treason" by Sir John Lavery | McGuiggan, John | Article in Journal | | 1999 |
| A review of mortality maps included in the Annual Reports of Vital Statistics for Ireland 1864-1998 | Houghton, F. | Article in Journal | | 2002 |
| A scribe's remuneration | | Article in Journal | | 1942 |
| A sexual revolution in the West of Ireland? | Gray, PaulKennedy, Liam, 1946- | Article in Journal | | 2006 |
| A sheep in wolf's clothing no match for the wise serpent | Yeates, Pádraig | Article in Journal | | 2018 |
| A study of the John Hughes-Terence Donaghoe friendship | Coogan, M. Jane | Article in Journal | | 1982 |
| A tale of two cities – infant mortality and cause of infant death, Dublin, 1864–1910 | Breathnach, CiaraGurrin, Brian | Article in Journal | | 2017 |
| A walking tour of Clare, 1864 | Barry, William | Article in Book | | 1998 |
| A ‘sentinel(s) of our liberties’ : Archbishop John Hughes and
Irish-American intellectual negotiation in the Civil War era | Kelly, Mary C. | Article in Journal | | 2010 |
| A ‘sentinel(s) of our liberties’ : archbishop John Hughes and Irish-American intellectual negotiation in the Civil War era | Kelly, Mary C. | Article in Journal | | 2010 |
| Ainmneacha bhailte Phort Láirge ar na léarscáileanna, 1573-1864 | Mac Aodha, Breandán | Article in Journal | | 1986 |
| Ainmneacha Bhailte Tiobraid Arann ar na Learscaileanna, 1573-1864 | Mac Aodha, Breandán | Article in Journal | | 1984 |
| Alasdair MacGilleMhicheil : fear-cruinneachaidh oran ri linn nan 1860an | Stiùbhart, Domhnall Uilleam | Article in Book | | 2010 |
| An accumulated wrong: Roger Casement and the anticolonial moments within imperial governance | Kearns, GerryNally, David | Article in Journal | | 2019 |
| An ancient record relating to the families into which were married the co-heiresses of Thomas fitz Anthony, seneschal of Leinster | | Article in Journal | | 1864 |
| An ecclesiastical history of Ireland, from the introduction of Christianity into that country, to the year 1829. 2 vols. | Brenan, M. J. | Monograph or Collective Volume | | 1829 |
| An English wife in Berlin, a private memoir of events, politics, and daily life in Germany, throughout the war and the social revolution of 1918 | Blücher, Evelyn, Princess | Monograph or Collective Volume | Constable | 1920 |
| An Irish chronicle | Gwynn, Stephen Lucius, 1864-1950 | Article in Journal | | 1938 |
| An Irish friend and the American civil war : some letters of Frederic W. Pim to his father in Dublin, 1864 | Willauer, G. J. | Article in Journal | | 1972 |
| An Irish rebel in Greece: William Smith O'Brien's 1856 visit | Davis, Richard | Article in Journal | | 2009 |
| An Irish woman in Czarist Russia | Lombard, Jean | Monograph or Collective Volume | Ashfield Press | 2010 |
| An scoil Phrotastúnach ar an mBlascaod | Ó Mainín, Micheál | Article in Book | | 2001 |
| An tAthair Caomhánach agus an cogadh creidimh i gConamara | Ní Shúilleabháin, Máire | Monograph or Collective Volume | Foilseacháin Náisiúnta Teoranta | 1984 |
| An tAthair Tomás de Hóra, 1796-1864 | de Vál, Séamas S. | Article in Journal | | 1998 |
| An téirí amach, Mac Easmainn agus an Ghinéiv | Mac Con Midhe, Torlach | Article in Book | | 2016 |
| An unequal duel : Union recruiting in Ireland, 1863-1864 | Cullop, Charles P. | Article in Journal | | 1967 |
| Anatomy of a lie - decoding Casement | Hyde, Paul R. | Monograph or Collective Volume | Wordwell | 2019 |
| Andanzas de un Irlandés en el Campo Porteno (1845-1864) | Brabazon, John | Monograph or Collective Volume | Ediciones Culturales Argentinas, Secretaria de Estado de Cultura, Ministerio de Cultura y Educación | 1981 |
| Andrew Carney (1794-1864) | O'Connell, Philip | Article in Journal | | 1959 |
| Andy and Pat Colfer of Kiltra, steam engineers | Walsh, Greg | Article in Journal | | 2010 |
| Anne Jane Carlile (1775-1864), a pioneer of temperance | Barron, Thomas J. | Article in Journal | | 1963 |
| Appendix : paper history and analysis as a research procedure | Boner, P. J. | Article in Book | | 2005 |
| Archbishop Daniel Mannix | Griffin, James | Article in Journal | | 1990 |
| Archbishop Daniel Mannix of Melbourne, 1864-1963 | Kiernan, Colm | Article in Journal | | 1984 |
| Archbishop Hughes and the question of Ireland, 1829-1862 | Connor, Charles P. | Article in Journal | | 1984 |
| Archbishop Hughes and Western colonization | Browne, Henry J. | Article in Journal | | 1950 |
| Archbishop John Hughes : 1838-1864 | Fratini, Mary ElizabethO'Hurley-Pitts, Michael | Article in Book | | 1999 |
| Archbishop John Hughes and the New York schools controversey of 1840-43 | Meenagh, Martin L. | Article in Journal | | 2004 |
| Archbishop Lynch's 'The evils of wholesale and improvident emigration from Ireland', (1864) | Lynch, John Joseph | Article in Journal | | 1983 |
| Ardfert witnesses at the trial of Roger Casement | O'Carroll, Helen | Article in Journal | | 2016 |
| Árpad Pásztor's 'Casement in Berlin' and Karl Kraus's 'Auf der Suche nach dem Menschen im Heros' ['Looking for the person in the hero']; introduced and translated by Kenneth Ferguson | Kraus, Karl, 1874-1936Pásztor, Árpad, 1877-1940 | Article in Journal | | 2017 |
| Aspects of English Associations for the Beginnings of Romanesque Architecture in Munster | Thurlby, Malcolm | Article in Book | | 2021 |
| Assassination : the death of Sir Henry Wilson and the tragedy of Ireland | Taylor, Rex | Monograph or Collective Volume | Hutchinson | 1961 |
| Assassin’s creed | O'Shea, Owen | Article in Journal | | 2022 |
| Australia's bard 'Banjo'Patterson and an Irish racing connection | Robinson, James | Article in Journal | | 2010 |
| Baile Átha Cliath: Dublin Offocial Guide: Published by The Irish Tourist Association, with the authority and approval of Dublin Corporation | | Monograph or Collective Volume | The Irish Tourist Association | 193x |
| Battersby's Catholic directory | Anonymous | Monograph or Collective Volume | | 1854 |
| Being Sir Rogered : George Bernard Shaw and the Irish rebel | Moran, James | Article in Book | | 2004 |
| Belfast Borough Police in 1864 | Wight, Judith Eccles | Article in Journal | | 2010 |
| Ben Goodfellow (1864-1946) Journey to Ireland 1881 | Goodfellow, Benjamin | Article in Journal | | 2013 |
| Between treason and blood-sacrifice : the trials of Roger Casement | Callanan, Frank | Article in Book | | 2005 |
| Beyond the seas : the transportation of William Smith O'Brien | Kavanagh, Joan | Article in Book | | 1998 |
| Bibliographies of 1916 and the Irish revolution : no. 17, Roger Casement | O'Hegarty, P. S. | Article in Journal | | 1949 |
| Bishop Patrick Lynch of Charleston and his visit to Roslea in 1864 | Corr, Seán | Article in Journal | | 2010 |
| Blue plaque unveiling in honour of Archbishop John Joseph Hughes (1797-1864) | Martin, EamonMcGuinness, JosephMcKenna, Eileen | Article in Journal | | 2017 |
| Bones of contention : the repatriation of the remains of Roger Casement | Grant, Kevin, 1965- | Article in Journal | | 2002 |
| Boole and the revival of logic | Kneale, William | Article in Journal | | 1948 |
| Brennan letters from Dunmore to Australia | Bermingham, Hubert | Article in Journal | | 1996 |
| Brian Ó Ceallaigh, Tomás Ó Criomhthain and Sir Roger Casement | Mac Conghail, Muiris | Article in Journal | | 1990 |
| British economists and Australian gold | Goodwin, C. D. | Article in Journal | | 1970 |
| Brum - A Life in Television | Henderson, Brum | Monograph or Collective Volume | Appletree Press | 2003 |
| Buchedd Beuno: The Middle Welsh Life of St Beuno | | Monograph or Collective Volume | Dublin Institute of Advanced Studies | 2018 |
| Bunú Choláiste Uí Chomhraí | Seoighe, Mainchín | Article in Book | | 1995 |
| Burial rights at Kingstown & Blackrock inhabitants 'the old burial ground at the Kill of the Grange' in 1864 | Clare, Liam | Article in Journal | | 2012 |
| Burnetts: The story of Dun Laoghaire's oldest pharmacy. Part I | Lecane, Philip | Article in Journal | | 2023 |
| Butlers and Thackerays: an Anglo-Indian network | Richards, Ian | Article in Journal | | 2014 |
| Canon and martial law : William O'Brien, catholicism and Irish nationalism | Newsinger, John | Article in Journal | | 1981 |
| Canon, communications and Cork : an account of the Pope family in Portugal | Rankin, Carol | Article in Journal | | 1998 |
| Capt. McKay Rorty and the American Civil War (1861-65) | O'Hara, Aidan | Article in Journal | | 2013 |
| Captain Bernard S. O'Neill (1837-1864). 69th Regiment, New York Infantry | Tierney, Martin | Article in Journal | | 2006 |
| Cardinal John McColoskey : 1864-1885 | Fratini, Mary Elizabeth | Article in Book | | 1999 |
| Carnlough harbour development scheme, 1854-1864 | Irvine, James | Article in Journal | | 1977 |
| Casement | Mitchell, Angus | Monograph or Collective Volume | Haus | 2003 |
| Casement - the humanitarian | O'Mahony, P. C. | Article in Journal | | 1947 |
| Casement and British intelligence | Andrew, Christopher M. | Article in Book | | 2005 |
| Casement and German help | McHugh, Roger Joseph | Article in Book | | 1967 |
| Casement chronology 1864-2000 | Mitchell, Angus | Article in Book | | 2000 |
| Casement in Germany : a guide to the Roger Casement papers in Clare County Archives | Berry, Róisín | Monograph or Collective Volume | Clare County Council | 2005 |
| Casement tried and tested : the Giles report | Hyde, Paul | Article in Journal | | 2016 |
| Casement's black diaries : closed books reopened | Mitchell, Angus | Article in Journal | | 1997 |
| Casement's brigade : last interview with Casement, before his departure for Ireland | Kavanagh, Séan, 1897-1984 | Article in Journal | | 1932 |
| Casement's Congo Diary, one of the so-called "Black Diaries", was not a forgery | Vangroenweghe, Daniel | Article in Journal | | 2002 |
| Casement's Irish Brigade | McCarthy, Patrick | Article in Journal | | 2017 |
| Casement's Irish Brigade uniform | Joye, Lar | Article in Journal | | 2012 |
| Casement's last adventure | Monteith, RobertVon Papen, Franz | Monograph or Collective Volume | Moynihan | 1953 |
| Casement's maps of the Niger delta | Mitchell, Angus | Article in Journal | | 2006 |
| Casement, choreography and commemoration | Ó Conchúir, Fearghus | Article in Journal | | 2021 |
| Casement, choreography and commemoration | Ó Conchúir, Fearghus | Article in Journal | | 2021 |
| Casement, New York and the Easter rising | McDiarmid, Lucy | Article in Book | | 2016 |
| Catalogus librorum impressorum, Dublin, 1864-87 | Trinity College, Dublin | Monograph or Collective Volume | [s.n.] | 1988 |
| Catholic Ireland, 1864 | Corish, Patrick J. | Article in Journal | | 1964 |
| Catholic participation in the diplomacy of the Southern Confederacy | Stock, Leo Francis | Article in Journal | | 1930 |
| Catholic Unionism, a case study : Sir Denis Stanislaus Henry (1864-1925) | Phoenix, Éamon | Article in Book | | 2013 |
| Catholics, conscription and archbishop Mannix | McKernan, Michael | Article in Journal | | 1977 |
| Census of Protestants in the parishes of Shanrahan and Tullagherton, Co. Tipperary, in 1864-1870 | Knox, Ian | Article in Journal | | 1984 |
| Champion of the World | O'Mahony, Michael | Article in Journal | | 1999 |
| Charles Bonaventure Maguire, O.F.M. (1768-1833) | Faulkner, Anselm | Article in Journal | | 1983 |
| Charles MacNally, bishop of Clogher: Local and family background | Murphy, Owen | Article in Journal | | 2010 |
| Charles McNally, Maynooth professor and bishop of Clogher | Kerr, Donal A. | Article in Journal | | 1981 |
| Chartism and Irish nationalism, 1829-48 : Bronterre O'Brien, the London Irish and attempts at a Chartist-Irish alliance. | Koseki, Takashi | Thesis | | 1988 |
| Chicago's Fenian fair of 1864 : a window into the civil war as a popular political awakening | Jentz, John B.Schneirov, Richard | Article in Journal | | 1995 |
| Chief Justice Taney and the Dred Scott decision | Lee, Thomas Z. | Article in Journal | | 1923 |
| Clearing the estates to fill the workhouses : King's County land agents and the Irish Poor Law Act, 1838 | Reilly, Ciarán J. | Article in Book | | 2011 |
| Clontarf in 1914 : nationalist commemoration of the battle | Fallon, Donal | Article in Journal | | 2014 |
| Commentary, Fr. Nicholas Callan : scientist and theologian | Farrell, Dermot | Article in Journal | | 1998 |
| Concerning the emancipation of the slaves : a proposal by Major-General Patrick Cleburne, CSA | Hull, Mark M. | Article in Journal | | 1996 |
| Confederate secret agent in Ireland : Father John B. Bannon and his Irish mission, 1863-1864 | Tucker, Philip C. | Article in Journal | | 1990 |
| Consul, commander and minister : a new perspective on the Queenstown incident | Sanders, N. | Article in Journal | | 1979 |
| Corcoran's Irish legion in Fairfax County : 1863-1864 | Ruffner, Kevin C. | Article in Journal | | 1997 |
| Cornerstone of memory : John Hughes & St. Patrick's Cathedral: sixteenth Ernie O'Malley lecture, 2014 | Casey, Marion R. | Article in Journal | | 2015 |
| Cornerstone of Memory: John Hughes & St. Patrick's Cathedral: Sixteenth Ernie O'Malley Lecture, 2014 | Casey, Marion R. | Article in Journal | | 2015 |
| Correspondence between J. H. Newman and Archbishop Leahy on the sale of University Church, Dublin, 1857-1864 | Tierney, Mark | Article in Journal | | 1964 |
| Correspondence. 'Casey'! Will the real Walter Hampson please stand up? | Devine, Francis | Article in Journal | | 2008 |
| Cover story - a view from the Daonchartlann | Conlon, Tom | Article in Journal | | 2017 |
| Creating order? Painting the crowd in nineteenth-century Ireland | Boland, Mary Jane | Article in Book | | 2016 |
| Creators of mathematics : the Irish connection | | Monograph or Collective Volume | University College Dublin Press | 2000 |
| Dagger John : Archbishop John Hughes and the Making of Irish America | Loughery, John | Monograph or Collective Volume | Cornell University Press | 2018 |
| Daniel Doyle: Young Irelander | Fenton, Laurence | Article in Journal | | 2015 |
| Daniel Mannix and Ireland | Kiernan, Colm | Monograph or Collective Volume | Alella Books|Gill & Macmillan | 1983 |
| Daniel Mannix and Ireland | Kieran, Colm | Monograph or Collective Volume | [s.n.] | 1985 |
| Daniel Mannix, Archbishop of Melbourne | Murphy, Frank P. | Monograph or Collective Volume | Advocate Press | 1948 |
| Daniel Mannix, Ireland and Australia | Kiernan, Colm | Article in Book | | 1984 |
| Daniel Mannix, priest and patriot | Gilchrist, Michael | Monograph or Collective Volume | [s.n.] | 1982 |
| Daniel William Cahill (1796-1864) and the rhetorical geography of science and religion | Finnegan, Diarmid A. | Article in Book | | 2012 |
| De Valera and Archbishop Daniel Mannix | Broderick, Joe | Article in Journal | | 1994 |
| Dean Walter Meyler and the Andrean Schools, Cumberland Street, Westland Row 1847-1864 | Roantree, Gail C. | Article in Journal | | 202 |
| Deansgrange cemetery | Cremin, Vicky | Monograph or Collective Volume | Foxrock Local History Club | 1991 |
| Death in the garden: Patrick Byrne's mortuary chapel at Goldenbridge Cemetery, Dublin | Hurley, Livia | Article in Journal | | 2016 |
| Denis Henry : "An Irish Catholic Unionist" | McDonnell, A. D. | Article in Book | | 1995 |
| Diary of Roger Casement
I. My journey to German headquarters at Charleville. Novr 17 (Tuesday) from Berlin and back there (Friday) 20 Nov. [Berlin] Monday 16 Nov. [1914]|II. St Patrick's Day, Berlin, March 17, 1916.... [to] ....Saturday 8 April, 1916 | Casement, Roger | Article in Journal | | 2012 |
| Die Mission Sir Roger Casements im deutschen Reich 1914-16 | Doerries, Reinhard R. | Article in Journal | | 1976 |
| Dobbeltspill : kjærlighet og forræderi i skyggen av første verdenskrig | Godøy, Bjørn | Monograph or Collective Volume | Spartacus | 2017 |
| Doctor Callan of Maynooth : priest scientist | McLaughlin, Patrick J. | Article in Journal | | 1964 |
| Documents and Sources. Bringing the Morpeth Roll to life: a challenge for local historians | Corrigan, MarioDurney, JamesHolzgräwe, ChrisKiely, Karel | Article in Journal | | 2013 |
| Domhnach Airthir Maighe hi Crích Ua Briúin | McDermott, Michael | Article in Journal | | 1957 |
| Dr Callan family papers | McLaughlin, Patrick J. | Article in Journal | | 1969 |
| Dr Charles McNally's 'Relationi Status', October 1853 | Anonymous | Article in Journal | | 1989 |
| Dr John Edmund Jacobs (1805-1864) - eminent physician and father of modern mental health care | Fennelly, Teddy | Article in Journal | | 2008 |
| Dr Mannix | Brennan, Niall | Monograph or Collective Volume | Angus & Robertson | 1965 |
| Dr. Callan of Maynooth | McLaughlin, P. J. | Article in Journal | | 1936 |
| Dr. Robert Travers and the Wilde libel case | McCarthy, Muriel | Article in Journal | | 1997 |
| Du Noyer in the Ordnance Survey - illustrating Ireland's geology | Hegarty, Susan | Article in Book | | 2017 |
| Dublin old and new | Gwynn, Stephen Lucius, 1864-1950 | Monograph or Collective Volume | Browne and Nolan | 1938 |
| Dublin Review. Index by subject from Vol. I, May, 1836 to vol. LII, Jan. 1863 | Anonymous | Monograph or Collective Volume | | 1864 |
| Dublin, the Viceroy, and the soldiers of the Crimean War | Huddie, Paul | Article in Journal | | 2018 |
| Early charters relating to Youghal | | Article in Journal | | 1864 |
| Early letters of John Farley (1861-1864) | McConville, Kieran
| Article in Journal | | 2013 |
| Emergency - Kerry coast : the story of Valentia and the lifeboat | Robinson, Richard | Monograph or Collective Volume | The author | 1990 |
| Enemies of Empire : new perspectives on imperialism, literature and historiography | | Monograph or Collective Volume | Four Courts | 2007 |
| Engines and iron: the foundry of William Spence and son, Cork Street, Dublin | Scuffil, Catherine | Article in Journal | | 2010 |
| Eoin MacNeill and Sir Roger Casement | Scoular, Clive | Article in Journal | | 2013 |
| Ernest W.L. Holt | Farran, G.P. | Article in Journal | | 1922 |
| Ethna Carbery - Anna Johnston McManus | Meehan, Helen | Article in Journal | | 1993 |
| Eva Gore-Booth on behalf of Roger Casement : an unpublished appeal | Begnal, Michael | Article in Journal | | 1971 |
| F.S. Oliver, Alexander Hamilton, and the "American Plan" for resolving Britain's constitutional crises, 1903-1921 | Fair, John D. | Article in Journal | | 1999 |
| F.S. Oliver, Lord Selborne and Federalism | Boyce, David George, 1942-Stubbs, J. O. | Article in Journal | | 1976 |
| Famous Irish prisoners : 14, more about Smith O'Brien | Piondar, Sean | Article in Journal | | 1946 |
| Far off Fredericksburg Virginia. Lieut. John F. Ferris 19th Mass. Vols. C. Div. Smuldgeon Drumsurn | Higgins, M.A. | Article in Journal | | 2004 |
| Farewell to Kildare Street, 1827-1998 | | Monograph or Collective Volume | National College of Art & Design | 1998 |
| Fasting for the public : Irish and Indian sources of Marion Wallace Dunlop's 1909 hunger strike | Lennon, Joseph | Article in Book | | 2007 |
| Father Boyce, Laly Morgan and Sir Walter Scott : a study in intertextuality and Catholic polemics | Maume, Patrick | Article in Book | | 2005 |
| Father Cahill's last journey | Roddy, Sarah | Article in Book | | 2016 |
| Father Mathew; a biography | Maguire, J. F. | Monograph or Collective Volume | | 1863 |
| Father Thomas Hore and Wexford, Iowa | Schmitz, Kenneth P. | Article in Journal | | 1975 |
| Father Yorke and the San Francisco waterfront, 1901-1916 | Sarbaugh, Timothy J. | Article in Journal | | 1981 |
| Female activists : Irish women and change 1900-1960 | | Monograph or Collective Volume | Woodfield Press | 2001 |
| Fenians, Rice and ribbonmen in county Monaghan 1864-67 | Mac Giolla Choille, Breandán | Article in Journal | | 1967 |
| Fianaise chartgrafach i dtaobh ainmneacha bhailte an Dúin, 1573-1864 | Mac Aodha, Breandán | Article in Journal | | 1987 |
| Field Marshal Sir Henry Wilson : a political soldier | Jeffery, Keith | Monograph or Collective Volume | Oxford University Press | 2006 |
| Field Marshal Sir Henry Wilson : Myths and the Man | Jeffery, Keith | Article in Journal | | 2008 |
| Field-Marshal Sir Henry Wilson : imperial soldier, political failure | Coulter, Mark | Article in Journal | | 2005 |
| Fighting for the clerical grades : a history of the civil, public and services union 1922-2017 | Maguire, Martin | Monograph or Collective Volume | Institute of Public Administration | 2022 |
| Figures in a famine landscape | Ó Murchadha, Ciarán | Monograph or Collective Volume | Bloomsbury Academic | 2016 |
| Flannery : Griffith's primary valuation (1848-1864) : Irish post-famine land tax records | | Monograph or Collective Volume | Flannery, Clan | 2004 |
| For God and Kathleen Ni Houlihan | Gore-Booth, Eva | Article in Journal | | 1918 |
| Forgery or genuine document? | Mitchell, Angus | Article in Journal | | 2001 |
| 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 |
| Frau Grabisch | Lennon, Michael J. | Article in Journal | | 1955 |
| From Carrigdrumruske to Carrick-on-Shannon : the St George estate, 1613-1864 | Lynch, Mairead | Monograph or Collective Volume | Four Courts Press | 2024 |
| From Cavan to Cold Harbor : the life of Colonel Richard Byrnes | Spink, Barry L. | Monograph or Collective Volume | The Irish Brigade Association | 1994 |
| From Kent Co (Ontario) marriage records, 1857-1869 (also burials c.1820-1924; marriage records of Essex County, 1858-1864 (Ontario, Canada) | Reaume, Helen | Article in Journal | | 1994 |
| From Parnell's suit to Casement's closet : masculinity, homosexuality and the fashioning of the Irish nation | McBrinn, Joseph | Article in Book | | 2023 |
| From the Putumayo to Connemara : Roger Casement's Amazonian voyage of discovery | Harris, Peter James | Article in Journal | | 2006 |
| From the rocks of Limerick to the rocks of Sydney | Ryan, Christopher | Article in Journal | | 1992 |
| General Cleburne and the emancipation of slaves | Hull, Mark M. | Article in Journal | | 1996 |
| George Boole and Walsh's delusions | Murphy, Donal | Article in Journal | | 2016 |
| George Boole, 1815-64 | MacHale, Desmond | Article in Book | | 2000 |
| German invasion and spy scares in Ireland, 1890s-1914: Between fiction and fact. | De Wiel, Jérðme aan | Article in Journal | | 2012 |
| Gettysburg via Castlehackett: Colonel Patrick Kelly of the Irish Brigade | Higgins, Brendan | Article in Journal | | 2011 |
| Gladstone's first Irish enterprise, 1864-1870 | Comerford, R.V. (Richard Vincent) | Article in Book | Clarendon Press | 1989 |
| Glendalough House, Annamoe, Co. Wicklow | Davies, Mary | Article in Journal | | 2016 |
| Glimpses of Kilkenny in the eighteenth century | Doyle, John | Monograph or Collective Volume | The author | 1983 |
| Global warning or historical repetition | McCorry, F.X. (Francis Xavier) | Article in Journal | | 2001 |
| Great Hatred. The assassination of Field Marshal Air Henry Wilson MP, [by] Ronan McGreevy. London, 2022 | Regan, John M. | Article in Journal | | 2022 |
| Great men we have given to history : Ted O'Riordan looks at the life of Dr Mannix, archbishop of Melbourne | O'Riordan, Ted | Article in Journal | | 1987 |
| Green and orange in mid-nineteenth-century Toronto : the Guy Fawkes' day episode of 1864 | Cottrell, Michael | Article in Journal | | 1993 |
| Greystones 1864-1964 | French, Samuel | Monograph or Collective Volume | [The author] | 1964 |
| Griffith’s valuation a genealogical source for county Kerry | O'Connor, Thomas, of County Kerry | Article in Journal | | 1995 |
| Hat and wig : further to Cahol Mor (or Collmore) Charles McKaragher 1718,19 | Anonymous | Article in Journal | | 1983 |
| Hawthorne and the "Wild Irish" : a note | Singer, David | Article in Journal | | 1969 |
| Henry Grattan and his times | Gwynn, Stephen Lucius, 1864-1950 | Monograph or Collective Volume | Browne and Nolan | 1939 |
| Het proces Casement : en terugblik na vijftig jaar | Feldbrugge, F. | Article in Journal | | 1967 |
| Histoire d'Angleterre comprenant celle de l'Écosse, de l'Irlande et des possessions anglaises depuis les premiers temps jusqu'en 1903. | Fleury, J. A. | Monograph or Collective Volume | | 1903 |
| History of the catholic archbishops of Dublin since the reformation. Vol. 1 | Moran, Patrick Francis, cardinal, 1830-1911 | Monograph or Collective Volume | | 1864 |
| History on a stamp: An Post and the decade of centenaries (2013-2022) Stair an stampa : an Post agus deich mbliana na gcuimhneachán (2013-2022) | Mark-FitzGerald, Emily | Monograph or Collective Volume | An Post | 2022 |
| Holy Cross church, Kenmare, 150 (1864-2014) : a social and local history | Holycross 150 History Group, Kenmare | Monograph or Collective Volume | Holy Cross 150 History Group | 2014 |
| Home Rule and the House of Lords | Gwynn, Stephen Lucius, 1864-1950 | Article in Journal | | 1913 |
| Hopeless Mission : Sir Roger Casement in Imperial Germany | Doerries, Reinhard R. | Article in Journal | | 2006 |
| Horse racing at Killarney and Waterville long ago | Fennessy, Ignatius | Article in Journal | | 1999 |
| Howth/Kilcoole gunrunning | Connell, Joseph E. A., Jr. | Article in Journal | | 2014 |
| Hughes: lion of American Catholicism | McCann, Richard Daniel | Monograph or Collective Volume | E-Book Time | 2017 |
| Illegitimacy and Pre-Nuptial Pregnancy in Ireland before 1864 : The evidence of some Catholic Parish Registers | Connolly, Sean J. | Article in Journal | | 1979 |
| In Belfast town 1864-1880 : early photographs from the Lawrence collection | Dixon, HughWalker, B. M. (Brian Mercer) | Monograph or Collective Volume | Friar's Bush | 1984 |
| In memory of Lieutenant-Colonel Arthur E. Mainwaring, commanding officer 2nd battalion Royal Dublin Fusiliers | Finnigan, Dan | Article in Journal | | 2002 |
| In search for madness : a psychiatrists travels through the history of mental illness | Kelly, Brendan | Monograph or Collective Volume | Gill Books | 2022 |
| In search of peaks, passes and glaciers : Irish Alpine pioneers | Nugent, Frank | Monograph or Collective Volume | Collins | 2013 |
| Independent essays | Sparrow, John | Monograph or Collective Volume | Faber | 1963 |
| Index to the Irish Ecclesiastical Record 1864-1917 : documents | | Article in Journal | | 1959 |
| Information society. Art meets science in an exhibition celebrating the achievements of George Boole... | Kearney, Fiona | Article in Journal | | 2015 |
| Inspector Thomas Lowth, D.M.P. | Lowth, Cormac F. | Article in Journal | | 2017 |
| Inspired by lichens : Matilda Knowles (1864-1933) | Scannell, Maura | Article in Book | | 1997 |
| Introduction | Comerford, R. V. (Richard Vincent) | Article in Book | | 2013 |
| Investigating the Morpeth Roll | Hoary, Paul | Article in Book | | 2013 |
| Ireland and ecocriticism : literature, history and environmental justice | Flannery, Eóin | Monograph or Collective Volume | Routledge | 2016 |
| Ireland and Irishness in the political thought of Bronterre O'Brien | Turner, Michael J. | Article in Journal | | 2014 |
| Ireland's epidemiological transition: a preliminary analysis of changes in the cause of death | Pringle, Denis G. | Article in Book | | 2012 |
| Ireland's favourite Englishman? | Ridgway, Christopher | Article in Book | | 2013 |
| Ireland, South America and the forgotten history of rubber | Mitchell, Angus | Article in Journal | | 2008 |
| Irish and English railways, 1864-1914 | Delaney, D. J. | Article in Journal | | 1988 |
| Irish green and Union blue : the Civil War letters of Peter Welsh, color sergeant, 28th Regiment, Massachusetts Volunteers | Kohl, Lawrence FrederickWelsh, Peter | Monograph or Collective Volume | Fordham University Press | 1986 |
| Irish intellectuals and independent Czechoslovakia in the Interwar period : reflections in Catholic journals | Zách, Lili | Article in Book | Peter Lang | 2014 |
| Irish literature and drama in the English language : a short history | Gwynn, Stephen Lucius, 1864-1950 | Monograph or Collective Volume | Nelson | 1936 |
| Irish migration to the west coast, 1864-1900 | Fraser, Lyndon | Article in Journal | | 2000 |
| Irish railways in 1864 | Mahon, G. R. | Article in Journal | | 1966 |
| Irish women and the contagious diseases acts | Luddy, Maria | Article in Journal | | 1993 |
| Irish Women's Networks on the West Coast of New Zealand's South Island, 1864-1922 | Fraser, Lyndon | Article in Journal | | 2006 |
| Irish-Polish solidarity : Irish responses to the January Uprising of 1863-4 in Congress Poland | Healy, Róisín | Article in Book | | 2014 |
| Irishmen in the Confederate army | Joye, Lar | Article in Journal | | 2010 |
| Isaac W. Usher, father and son | O'Connor, Anne | Article in Journal | | 2020 |
| Jacob brothers' intervention saves life of man wrongly convicted | Fennelly, Teddy | Article in Journal | | 2010 |
| James Bronterre O'Brien : a forgotten radical | Kelly, James, 1959- | Article in Journal | | 1978 |
| Jeremiah O'Donovan's interviews. ["A Brief Account of the Author's Interview With His Countrymen, and of the Parts of the Emerald Isle Whence They Emigrated Together with a Direct Reference to Their Present Location"] | Hyland, CalO'Donovan, Jeremiah | Article in Journal | | 2010 |
| Joe Dowling - the man in the U-boat - a forgotten hero in Ireland's fight for independence | Fennelly, Teddy | Article in Journal | | 2016 |
| John Bull's other empire : Roger Casement and the press, 1898-1916 | Mitchell, Angus | Article in Book | | 2004 |
| John Hughes and a catholic response to slavery in antebellum America | Sharron, W. B. | Article in Journal | | 1972 |
| John Joseph Hughes (1797-1864), first archbishop of New York | Canning, B. J. (Bernard J.) | Article in Journal | | 1964 |
| John Joseph Sherry (1790-1864), Carlow's other favourite Corkman - the original Aussie battler | Lynch, Martin | Article in Journal | | 2001 |
| John Mitchel's Confederate army sons | Higgins, M.A. | Article in Journal | | 2010 |
| John Redmond's last years | Gwynn, Stephen Lucius, 1864-1950 | Monograph or Collective Volume | | 1919 |
| Jonathan Osborne (1794-1864) MD FRCPI : a crypto-neurologist | Breathnach, Caoimhghín S. | Article in Journal | | 2009 |
| Joseph O'Mara | Carton, E. O'MaraPotterton, Robert | Article in Journal | | 1990 |
| Joseph O'Mara operatic tenor | Riordan, Anthony | Article in Journal | | 1992 |
| Just war theory in Roger Casement's 'The Crime against Europe' | McGrath, Andrew | Article in Journal | | 2014 |
| Kenmare lace | O'Sullivan, Patrick | Article in Journal | | 1991 |
| Killinure: microcosm of the management of the Fitzwilliam estate: 1800-1864 | Whelan, Oliver | Article in Journal | | 2019 |
| Kingstown and the American Civil War | Lowth, Cormac F. | Article in Journal | | 2013 |
| Knox of Manx and Liberty's of London : in the ministry of the beautiful | Jones, Anthony | Article in Book | | 1992 |
| La ville de New York vue par les nationalistes irlandais dans la seconde moitié du XIXe siècle | Saison, Ghislaine | Article in Book | | 2000 |
| Lancashire Fenianism, 1864-7l | Lowe, W. J. | Article in Journal | | 1977 |
| Landor and Ireland | Craig, Maurice James | Article in Journal | | 1943 |
| Larcom the cartographer: political economy in pre-Famine Ireland | McWilliams, Patrick | Article in Journal | | 2008 |
| Laurence O'Neill (1864-1943), Lord Mayor of Dublin (1917-1924) : patriot and man of peace | Morrissey, Thomas J. | Monograph or Collective Volume | Dublin City Council | 2014 |
| Leechtown and the medical profession | Lydon, Patrick | Article in Journal | | 2012 |
| Léiriú bailte Árd Mhacha ar na léarscáileanna 1575-1864 | Mac Aodha, Breandán | Article in Journal | | 1987 |
| Léiriú phríomhlonnaíochtai Lú ar na léarscáileanna, 1573-1864 | Mac Aodha, Breandán | Article in Journal | | 1986 |
| 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 the archbishops of Tuam and Dublin to William Marshall, earl of Pembroke, requiring him to restore the possessions of the bishopric of Ferns...1216 | | Article in Journal | | 1864 |
| Letters from Sir Robert Cecil to Sir George Carew | | Monograph or Collective Volume | Printed for the Camden Society | 1864 |
| Letters of Irish interest | | Article in Journal | | 1948 |
| Listen to the land speak : a journey into the wisdom of what lies beneath us | Magan, Manchán | Monograph or Collective Volume | Gill Books | 2022 |
| Literature, violence, revolution : Roger Casement and Ernie O'Malley | Todd, Macy | Article in Book | | 2016 |
| Lives of Victorian political figures : part II | | Monograph or Collective Volume | Pickering & Chatto | 2007 |
| Lord Mayor Laurence O'Neill, Alderman Tom Kelly and Dublin's housing crisis | McManus, Ruth | Article in Book | | 2013 |
| Lord Palmerston : an absentee Irish landlord | McKeon, John | Monograph or Collective Volume | Cladac Press | 2018 |
| Lord Willoughby de Broke and the politics of radical toryism, 1909-1914 | Phillips, G. D. | Article in Journal | | 1980 |
| Majestic shrines and graceful sanctuaries : the church architecture of Patrick Byrne, 1783-1864 | Grimes, Brendan | Monograph or Collective Volume | Irish Academic | 2009 |
| Man from the Pampas | Kiely, Benedict | Article in Journal | | 1948 |
| Mannix in America : Archbishop Daniel Mannix's address at Madison Square Garden, New York, 18 July 1920 | Campbell, Malcolm | Article in Journal | | 2005 |
| Mannix, de Valera, and Irish nationalism. part 2 | Keogh, Dermot | Article in Journal | | 1988 |
| Mary Galway | Moriarty, Theresa | Article in Book | | 2016 |
| Mary Galway (1864-1928) | Moriarty, Theresa | Article in Book | | 2001 |
| Maternal mortality in Dublin, 1864-1902 | Breathnach, CiaraGurrin, Brian | Article in Journal | | 2018 |
| Max Weber and leadership, Butt, Parnell and Dillon : nationalism in transition | O'Day, Alan | Article in Book | | 2004 |
| Memoir of the Rev. James McLeer, P.P., Burt and Inch 1847-1864 | Campbell, WilliamMcGinn, Brendan | Article in Journal | | 1978 |
| Memoirs of Miles Byrne | Byrne, MilesGwynn, Stephen Lucius, 1864-1950 | Monograph or Collective Volume | [s.n.] | 1907 |
| Memoirs of Richard Whately, Archbishop of Dublin | | Monograph or Collective Volume | Richard Bentley | 1864 |
| Memoirs of Sir Lowry Cole | Cole, Galbraith Lowry, Sir, 1772-1842Cole, Maud LowryGwynn, Stephen Lucius, 1864-1950 | Monograph or Collective Volume | Macmillan | 1934 |
| Memorial in favour of William Smith O’Brien, Kingstown, 1848 | Anonymous | Article in Journal | | 1995 |
| Memories of enjoyment | Gwynn, Stephen Lucius, 1864-1950 | Monograph or Collective Volume | Kerryman | 1947 |
| Memories of the dead : some impressions of Roger Casement, Eamunn Ceannt, Tom Clarke, Peadar O'Meacin, Major MacBride, Sheehy-Skeffington, Thomas MacDonagh, the O'Rahilly, Padraic MacPiarais | Daly, Martin | Monograph or Collective Volume | Powell | 1916 |
| Michael Keogh : recruiting sergeant for Casement's Irish brigade | Maye, Brian | Article in Book | | 2015 |
| Mícheál Ó Gallchóir agus Rinn na Feirste i Maigh Eo | Ó Háinle, Cathal | Article in Book | | 2016 |
| Minutes of evidence taken before the select committee on the Belfast Improvement (no. 2) Bill [Chairman : James Milnes Gaskell] | Anonymous | Monograph or Collective Volume | | 1864 |
| Missionary and military chaplain : Father John Mullan and the Siege of Kut-al-Amara | Hagerty, James | Article in Book | | 2015 |
| Monk's lucky nugget: a letter from Australia | Keeling David | Article in Journal | | 2015 |
| Moral hazard and quasi-central banking : should the Munster Bank have been saved? | Ó Gráda, Cormac | Article in Book | | 2003 |
| Moran, Mannix and St Patrick's Day | Williams, Caroline M. | Article in Book | | 2000 |
| Morpeth : a Victorian public career | Olien, Diana Davids | Monograph or Collective Volume | [s.n.] | 1983 |
| Mount Sackville, 1864-2004 | Delaney, M. | Monograph or Collective Volume | Sisters of St. Joseph of Cluny | 2004 |
| Murder, Capital Punishment, and the Irish in Scotland, 1864 to 1914 | Black, Lynsey | Article in Journal | | 2018 |
| My Cavan Caulfields | Murton, Anne Gabrielle | Article in Journal | | 2005 |
| Nanny, ma and me : an Irish story of family, race and home | Jorden, Kathleen ; Jorden, Dominique ; Jorden, Jade | Monograph or Collective Volume | Hachette Books Ireland | 2021 |
| Nassau Senior, the Edinburgh Review and Ireland 1843-49 | Gray, Peter, 1965- | Article in Book | | 1998 |
| Necrologues on R.A.S. Macalister and Stephen Gwynn | Dauphin, Hubert | Article in Journal | | 1950 |
| Neilí O'Brien and the Gaelic League | Murphy, Maureen | Article in Book | | 2019 |
| Nepotism in reverse : the military career of Maurice Jeffrey O'Connell (1765-1850) | Garland, John | Article in Journal | | 1983 |
| Never a dull day : 150 years of Synge Street CBS, 1864-2014 | | Monograph or Collective Volume | CBS Synge Street | 2015 |
| Never were men so brave | McCormack, John | Article in Journal | | 1969 |
| New Light on George Boole | Cohen, YvonneMacHale, Desmond | Monograph or Collective Volume | Atrium | 2018 |
| New light on material concealed by Roger Casement near Banna Strand | Lyne, Gerard J. | Article in Journal | | 1987 |
| New Zealand's representative : Jessie Mackay, the Self-Determination for Ireland League of New Zealand and the Irish Race Congress | Marr, Lisa | Article in Journal | | 2024 |
| Nicholas Callan - a scrupulous life of faith and science | Hopkins, BrianMcClintock, Peter | Article in Journal | | 2022 |
| Nicholas Callan - his work and times | Murphy, Patrick | Article in Journal | | 1964 |
| Nicholas Callan : priest scientist | McLaughlin, P. J. | Monograph or Collective Volume | Clonmore & Reynolds | 1965 |
| Nicholas Callan, 1799-1864 | McKeith, Niall E. | Article in Book | | 2003 |
| Notes. Stephen Gwynn's proposal to delay the disbandment of the Irish Regiments | Kinsella, Anthony | Article in Journal | | 2022 |
| Notes.Orders to be observed by the troops serving in the Garrison of Dublin, 1864 | Kinsella, Anthony | Article in Journal | | 2019 |
| Obituary. Canon W.F.A. Ellison | S., J.A.S. | Article in Journal | | 1937 |
| Obituary. Robert Bell 1864-1934 | O., J.W., R.J. | Article in Journal | | 1934 |
| Old mills of Ireland, Vol. 1 : a listing of the old mills of Ireland taken from mid-19th century Valuation Office documents | | Monograph or Collective Volume | William E. Hogg | 2012 |
| Old mills of Ireland, Vol. 2 : a listing of the old mills of Ireland taken from mid-19th century Valuation Office documents | | Monograph or Collective Volume | William E. Hogg | 2012 |
| Old mills of Ireland, Vol. 3 : a listing of the old mills of Ireland taken from mid-19th century Valuation Office documents | | Monograph or Collective Volume | William E. Hogg | 2012 |
| Old mills of Ireland, Vol. 4 : a listing of the old mills of Ireland taken from mid-19th century Valuation Office documents | | Monograph or Collective Volume | William E. Hogg | 2012 |
| Oliver Pollock : the life and times of an unknown patriot | James, James Alton, 1864-1962 | Monograph or Collective Volume | Appleton | 1937 |
| On the history, position, and treatment of the public records of Ireland. By an Irish archivist. | [Gilbert, J. T. (John Thomas), Sir, 1829-1898] | Monograph or Collective Volume | | 1864 |
| One bold deed of open treason : the Berlin diary of Roger Casement, 1914-1916 | | Monograph or Collective Volume | Merrion Press | 2016 |
| One moment of glory : the life of private Andrew Campbell of the thirteenth Tennessee cavalry, U.S.A. | Speer, Ed | Article in Journal | | 2001 |
| One of Ogle's loyal blues | Pidgeon, Nathanial | Article in Journal | | 2000 |
| Opposing conscription | Joye, Lar | Article in Journal | | 2018 |
| Organizing empire : individualism, collective agency, and India | Bose, Purnima | Monograph or Collective Volume | Duke University Press | 2003 |
| Oysters and antiquities | Collins, Timothy | Article in Journal | | 1991 |
| Paddy Nolan in Calgary | MacEwan, Grant | Article in Journal | | 1986 |
| Paddy Nolan, K.C. | Stubbs, Roy St. George | Article in Journal | | 1994 |
| Patrick Byrne and St. Paul's Arran Quay, Dublin | Grimes, Brendan | Article in Journal | | 2007 |
| Patrick McManus (1864-1929) | Meehan, Helen | Article in Journal | | 1995 |
| Patrick Ronayne Cleburne : Southern soldier-citizen | Cooling, Benjamin Franklin | Article in Journal | | 1991 |
| Patriot and man of peace : Laurence O'Neill 1864-1943, Lord Mayor of Dublin 1917-24 | Morrissey, Thomas J. | Article in Book | | 2016 |
| Patriot traitors : Roger Casement, John Amery and the real meaning of treason | Weale, Adrian | Monograph or Collective Volume | Viking | 2001 |
| Patterns of Irish migration to the West Coast of New Zealand, 1864-1900 | Fraser, Lyndon | Article in Book | | 2000 |
| Pearse and the Mac Manus brothers | Meehan, Helen | Article in Journal | | 2016 |
| Photographs of Kilkenny interest from a Victorian album | Manning, ConlethSeary, John | Article in Journal | | 2001 |
| Pioneer Catholicism in Eastern and Southern Nevada, 1864-1931 | Olson, J. S. | Article in Journal | | 1983 |
| Pre- and post-famine indices of Irish equity prices | Hickson, Charles R.Turner, John D. | Article in Journal | | 2008 |
| Prelude to the Easter Rising : Sir Roger Casement in imperial Germany | Doerries, Reinhard R. | Monograph or Collective Volume | Cass | 2000 |
| Primary education on the Great Blasket Island 1864-1940 | Nic Craith, Máiréad | Article in Journal | | 1995 |
| Profile of an immigrant bishop : the early career of John Hughes | Lannie, Vincent Peter | Article in Journal | | 1965 |
| Protestantism and public life : the Church of Ireland, disestablishment, and Home Rule, 1864-1874 | Golden, J. J. | Thesis | | |
| Protestants under Home Rule | Gwynn, Stephen Lucius, 1864-1950 | Article in Journal | | 1913 |
| Putumayo | Lilburn, David | Article in Journal | | 2018 |
| Queen Victoria in Ireland, 1853 | Hone, J. | Article in Journal | | 1953 |
| Radicalism and reputation : the career of Bronterre O'Brien | Turner, Michael J. | Monograph or Collective Volume | Michigan State University Press | 2017 |
| Rambles in Éirinn | Bulfin, William | Article in Journal | | 1982 |
| Rare models : Roger Casement, the Amazon, and the ethnographic picturesque | Wylie, Lesley | Article in Journal | | 2010 |
| Rare models : Roger Casement, the Amazon, and the ethnographic picturesque | Wylie, Leslie | Article in Journal | | 2010 |
| Rathmichael parish records (Church of Ireland) | | Article in Journal | | 1997 |
| Re-viewing Casement | Ó Seaghda, Barra | Article in Journal | | 2005 |
| Rebel Kerry : from the pages of the Kerryman | | Monograph or Collective Volume | Mercier Press | 2017 |
| Rebel oppression of British subjects : statement of a deserter | Anonymous | Article in Journal | | 2005 |
| Rebels at heart : the National Brotherhood of Saint Patrick and the Irish Liberator | McNicholas, Anthony | Article in Journal | | 2007 |
| Redefining the enemy: paganism or commercial thuggery | Guinness, Catherine | Article in Journal | | 2018 |
| Redesdale revisited | Casey, Patrick J. | Article in Journal | | 2017 |
| Reflections on racism - Casement, Conrad and the moral clock | Swift, John | Article in Journal | | 2002 |
| Reflections on writing and editing with reference to national archives (UK), CO 904/1-3 & HO 161/1-5 | McCormack, W. J. | Article in Book | | 2005 |
| Registrar General for Ireland. First annual report of the Registrar-General of Marriages, Births and Deaths in Ireland, 1864. ([4137] (1868-9). XVI, 665.) | Anonymous | Monograph or Collective Volume | | 1868-9- |
| Reinventing Brazil : new readings and renewal in the narratives of Irish travellers | Izarra, Laura P.Z. | Article in Journal | | 2006 |
| Report from the select committee on scientific institutions (Dublin) [Chairman : W.H. Gregory] | Anonymous | Monograph or Collective Volume | | 1864 |
| Report from the select committee on taxation of Ireland [Chairman : Colonel Dunne], plus Further report | Anonymous | Monograph or Collective Volume | | 1865 |
| Report made to the Board of National Education on the subject of convent schools ... | Sheridan, J. E. | Monograph or Collective Volume | | 1864 |
| Report of Dr Audrey Giles | Giles, Audrey | Article in Book | | 2005 |
| Report of Her Majesty's commissioners appointed to inquire into the High Court of Admiralty in Ireland [Chairman : Mr. Justice John David FitzGerald] | Anonymous | Monograph or Collective Volume | | 1864 |
| Report of Her Majesty's commissioners appointed to inquire into the Incumbered Estates Court ... [Chairman : Maziere Brady, Lord Chancellor of Ireland.] | Anonymous | Monograph or Collective Volume | | 1854-5 |
| Report of the commissioners of inquiry, 1864, respecting the magisterial and police jurisdiction, arrangements and establishment of the borough of Belfast [Commissioners : Charles Robert Barry and Richard Dowse], plus Minutes of evidence | Anonymous | Monograph or Collective Volume | | 1865 |
| Report on the return of the remains of Roger Casement to Ireland (1965) | Ronan, Sean | Article in Book | | 2000 |
| Report to the Right Honourable the Master of the Rolls upon the Carte and Carew papers in the Bodleian and Lambeth libraries | Brewer, J. S.Hardy, Thomas Duffus, Sir, 1804-1878 | Monograph or Collective Volume | | 1864 |
| Research note. ''Ireland will be Free'': 'Fanning the flames of sectarianism' in Australia, 1920-21 | Kildea, Jeff | Article in Journal | | 2018 |
| Residential stability and population mobility in Lurgan, 1856-64 | McCorry, F.X. (Francis Xavier) | Article in Journal | | 1986 |
| Rev. Daniel W. Cahil D. D., 1796-1864 | Smith, Peter | Article in Journal | | 1999 |
| Rev. Dr John Boyce ('Paul Peppergrass' 1810-1864) | McNamara, G. M. | Article in Journal | | 1965 |
| Review of the Giles report on the Casement diaries | Horan, James | Article in Book | | 2005 |
| Revisionism or reality? Daniel Mannix in ADB 10 | Griffin, James | Article in Book | | 1996 |
| Revolutionary imperialist : William Smith O'Brien, 1803-1864 | Davis, Richard | Monograph or Collective Volume | Lilliput | 1998 |
| Rex V. Sir Roger Casement : the crown case against Sir Roger Casement (1916) | Anonymous | Article in Book | | 2000 |
| Richard Griffith and his valuations of Ireland : with an inventory of the books of the general valuation of rateable property in Ireland | Reilly, James R. | Monograph or Collective Volume | Clearfield | 2000 |
| Richard Griffith and the tenement valuation | Vaughan, W. E. | Article in Book | | 1980 |
| Richard Griffiths land valuation as a basis for farm taxation | Lee, John | Article in Book | | 1980 |
| Robert Emmet and Roger Casement | McCormack, W. J. | Article in Book | | 2007 |
| Roger Casement | Laffan, Michael | Article in Book | Royal Irish Academy | 2015 |
| Roger Casement | Inglis, Brian | Monograph or Collective Volume | Blackstaff Press | 1993 |
| Roger Casement - realities and illusions of colonialism | Gray, John | Article in Journal | | 2017 |
| Roger Casement : a guide to the forged diaries | Mackey, Herbert O. | Monograph or Collective Volume | Apollo | 1962 |
| Roger Casement : a new judgment | MacColl, René | Monograph or Collective Volume | Hamish Hamilton | 1956 |
| Roger Casement : a reassessment of the diaries controversies | Wilson, Mairead | Monograph or Collective Volume | Athol | 2005 |
| Roger Casement : an account from the archives of his reinterment in Ireland | McMahon, Deirdre | Article in Journal | | 1996 |
| Roger Casement : background to treason | Broeker, Galen | Article in Journal | | 1957 |
| Roger Casement : the black diaries : with a study of his background, sexuality and Irish political life | Dudgeon, Geoffrey | Monograph or Collective Volume | Belfast Press | 2002 |
| Roger Casement : the evolution of an enemy of empire - I | Mitchell, Angus | Article in Book | | 2007 |
| Roger Casement : the evolution of an enemy of the empire - I | Mitchell, Angus | Article in Book | | 2007 |
| Roger Casement : the forged diaries | Mackey, Herbert O. | Monograph or Collective Volume | Fallon | 1966 |
| Roger Casement and the Easter Rising : Berlin, Dublin and British Intelligence | Dudgeon, Jeffrey | Article in Journal | | 2016 |
| Roger Casement and the history question | Mitchell, Angus | Article in Journal | | 2016 |
| Roger Casement and the idea of a broader nationalist tradition : his impact on Anglo-Irish relations | Mansergh, Martin | Article in Book | | 2005 |
| Roger Casement et les reliques de la République | Hutchinson, Wesley | Article in Journal | | 2001 |
| Roger Casement in Brazil : rubber, the Amazon and the Atlantic world, 1884-1916 | Mitchell, Angus | Monograph or Collective Volume | Humanitas | 2010 |
| Roger Casement in County Kerry | Ó Conchubhair, Seán Seosamh | Article in Journal | | 2006 |
| Roger Casement in death : or, haunting the Free State | McCormack, W. J. | Monograph or Collective Volume | University College Dublin Press in conjunction with the Research Centre in the History of the Book, Institute of English Studies, University of London | 2002 |
| Roger Casement in Irish and world history | Daly, Mary E. | Monograph or Collective Volume | Royal Irish Academy | 2005 |
| Roger Casement in the Congo : reactions in Belgium | Marshal, Jules | Article in Book | | 2005 |
| Roger Casement on screen : the background story on an historical film opportunity, 1915–1916 | Graham, Cooper C.Van Dopperen, Ron | Article in Journal | | 2016 |
| Roger Casement on screen: the background story of an historical film opportunity, 1915-1916 | Cooper, GrahamVan Doppern, Ron | Article in Journal | | 2016 |
| Roger Casement's ceilidhe | O'Byrne, Cathal | Article in Journal | | 1947 |
| Roger Casement's contribution to the ethnographical and economic botany collections in the National Museum of Ireland | Scannell, Mary J. P.Snoddy, Oliver | Article in Journal | | 1968 |
| Roger Casement's Hy-Brassil : Irish origins of Brazil | Casement, Roger DavidMitchell, Angus | Article in Journal | | 2006 |
| Roger Casement's last weeks | Gwynn, D. R. (Denis Rolleston), 1893-1972 | Article in Journal | | 1965 |
| Roger Casement's Putumayo investigation | Hemming, John | Article in Book | | 2005 |
| Roger Casement's vision of freedom | Ó Síocháin, Séamus | Article in Book | | 2005 |
| Roger Casement, ethnography and the Putumayo | Ó Síocháin, Séamus | Article in Journal | | 1994 |
| Roger Casement, the Irish volunteer | Lycett, Andrew | Article in Journal | | 2016 |
| Roger Casement: How effective was the British government's smear campaign exposing the homosexual "Black Diaries"? | Jaeger, Elizabeth | Article in Journal | | 2011 |
| Roger Casement: imperialist, rebel, revolutionary | Ó Síocháin, Séamus | Monograph or Collective Volume | Lilliput | 2003 |
| Roger David Casement | Joy, M. | Article in Book | | 1916 |
| Rosscarbery - A maritime look | Draper, Dermot | Article in Journal | | 2001 |
| Royal and historical letters during the reign of Henry IV, King of England and France and Lord of Ireland. Vol. 2, A.D. 1405-13 | | Monograph or Collective Volume | | 1964 |
| Royal roots, republican inheritance : the survival of the Office of Arms | Hood, Susan | Monograph or Collective Volume | Woodfield Press in association with the National Library of Ireland | 2002 |
| Ruairí Mac Asmainn agus na hÓglaigh | Gogan, L. | Article in Journal | | 1958 |
| Ruairí Mac Asmainn agus na hÓglaigh: I|Ruairí Mac Asmainn agus na hÓglaigh: II|Ruairí Mac Asmainn agus na hÓglaigh: III | Gógan, L. S. | Article in Journal | | 1958 |
| Sailing the seaways : historic maritime photographs from the Ulster Folk and Transport Museum, 1864-1939 | | Monograph or Collective Volume | Friar's Bush | 1991 |
| Saints rising : the early history of St Patrick's athletic FC | Looney, Dermot | Monograph or Collective Volume | Independently published - Dermot Looney | 2022 |
| Samuel Nelson DMP (1864-1917) | Nelson, Micheál | Article in Journal | | 2024 |
| Samuel Shannon Millin, 1864-1947 : local historian and chronicler | Froggatt, Peter, Sir | Article in Journal | | 2013 |
| Sarsfield | Gwynn, Stephen Lucius, 1864-1950 | Article in Book | | 1903 |
| Scandal and betrayal : Shackleton and the Irish crown jewels | Cafferky, JohnHannafin, Kevin | Monograph or Collective Volume | Collins | 2002 |
| Scattering branches : tributes to the memory of W. B. Yeats | | Monograph or Collective Volume | Macmillan | 1940 |
| Scientific tour through Clare, 1809 | Woods, Joseph | Article in Book | | 1998 |
| Scoil an Bhlascaoid Mhóir, 1864-1940 | Ó Dubhshláine, Mícheál | Article in Book | | 2001 |
| Sectarian tension and the Barrow anti-Irish riot of 1864 | MacRaild, Donald M. | Article in Journal | | 1996 |
| Seduced by sociability, cards and port wine : the misspent youth of William Smith O'Brien | Davis, Richard | Article in Journal | | 2013 |
| Sergeant Edward McGuckin : an Irish casualty in the American civil war | McGuckin, J. H. | Article in Journal | | 2000 |
| Sharman Crawford on the repeal question, 1847 | Kennedy, B. A. | Article in Journal | | 1949 |
| Sheets of many colours : the mapping of Ireland's rocks, 1750-1890 | Davies, Gordon L. Herries | Monograph or Collective Volume | Royal Irish Academy | 1983 |
| Sheridan, the life of a general part 1 : the wild Irish boy | Suppiger, Joseph E. | Article in Journal | | 1984 |
| Sir Henry Wilson 1864-1922. Soldier, politician, Irishman | Cook, David S. | Article in Journal | | 2016 |
| Sir Henry Wilson and the Defence of the British Empire, 1918-22 | Jeffery, Keith | Article in Journal | | 1977 |
| Sir Richard Griffith's three valuations of Ireland, 1826-1864 | Smyth, William A. | Thesis | | 2008 |
| Sir Roger Casement : a character sketch without prejudice | Redmond-Howard, Louis George | Monograph or Collective Volume | Hodges Figgis | 1916 |
| Sir Roger Casement and Germany | Elvert, Jürgen | Article in Book | | 1998 |
| Sir Roger Casement and Sinn Féin, some personal notes | Nevinson, Henry Woodd, 1856-1941 | Article in Journal | | 1916 |
| Sir Roger Casement on the Ottomans and Armenians in Britain’s Great War | Walsh, Patrick | Article in Journal | | 2018 |
| Sir Roger Casement und die Deutsch-Irische Beziehungen | Wolf, Karin | Monograph or Collective Volume | Duncker & Humblot | 1972 |
| Sir Roger Casement's diaries : his mission to Germany and the Findlay affair | Casement, Roger DavidCurry, Charles E. | Monograph or Collective Volume | Arche Publishing Co. | 1922 |
| Sir Roger Casement's heart of darkness : the 1911 documents | Casement, Roger David | Monograph or Collective Volume | Irish Manuscripts Commission | 2003 |
| Sir Roger Casement, traitre par compassion | Joannon, Pierre | Article in Journal | | 1984 |
| Six days of the Irish Republic (1916); Sir Roger Casements (1916); Ireland, the Peace Conference and the League of Nations (1918) and with Harry Carson : An Irishman's home (1914) | Redmond-Howard, Louis George | Monograph or Collective Volume | Aubane Historical Society | 2006 |
| Sligo Gaol | Ryan, Siobhán | Article in Journal | | 2019 |
| Smith O'Brien and the 'secession' | Gwynn, D. R. (Denis Rolleston), 1893-1972 | Article in Journal | | 1947 |
| Smith O'Brien and Young Ireland | Gwynn, D. R. (Denis Rolleston), 1893-1972 | Article in Journal | | 1947 |
| Smith O'Brien's retribution | Ó Cathaoir, Brendan | Article in Journal | | 1985 |
| Softgoods, Engineering and Sport : J.S.M. Thompson in New Zealand and Victoria, 1868-1910 | Davis, Richard | Article in Journal | | 2003 |
| Some aspects of William Smith O'Brien's parliamentary career : his links with the Royal Dublin Society | Heaney, Carmel | Article in Book | | 2009 |
| Some documents concerning Valentia Erasmus Smith School 1776-95 | De Brún, Pádraig | Article in Journal | | 1982 |
| Some Irish contemporaries of Faraday and Henry | McLaughlin, Patrick J. | Article in Journal | | 1964 |
| South-east Kilkenny in 1798 and the role of William Gaffney | Dowling, Daniel | Article in Journal | | 1983 |
| Speech of Roger Casement from the dock | Casement, Roger David | Monograph or Collective Volume | Fergus O'Connor | 1916 |
| St. Jude's Parish Church, Kilmainham : Centenary booklet, 1864-1964 | McNutt, A. T. | Monograph or Collective Volume | [St. Jude's Parish] | 1964 |
| St. Patrick's Church 1864-1964 | French, Samuel | Monograph or Collective Volume | St. Patrick's Church | 1964 |
| Stephen Gwynn and the failure of constitutional nationalism in Ireland, 1919-1921 | Reid, Colin | Article in Journal | | 2010 |
| Stories from Irish history | Gwynn, Stephen Lucius, 1864-1950 | Monograph or Collective Volume | Browne and Nolan | 1945 |
| Strafford in Ireland | Gardner, Winifred Anne Henrietta Christina, Baroness Burghclere, 1864-1933 | Article in Journal | | 1924 |
| Strafford. 2 vols. | Gardner, Winifred Anne Henrietta Christina, Baroness Burghclere, 1864-1933 | Monograph or Collective Volume | | 1931 |
| Stronge estate maps of Fellow's Hall (Crearum), Corr and Aughantarragh, and Kilnacart | Gilmore, BrianMorrison, Joe | Article in Journal | | 2012 |
| Surnames of County Wicklow | Gorry, Paul | Article in Journal | | 1997 |
| Tales of a policeman a century ago | Rattigan, Seán | Article in Journal | | 2010 |
| Teanga agus tuath: Ruairí Mac Easmainn agus Iarthar na hÉireann | Ó Síocháin, Séamas | Article in Journal | | 2000 |
| Tenison Edwards .....the man who shot fish | O'Reilly, Vincent | Article in Journal | | 2022 |
| The 'German Plot' | Connell, Joseph E. A., Jr | Article in Journal | | 2018 |
| The 'prelections' of Nicholas Callan (1799-1864) | McLoughlin, Patrick J.I., Monsignor | Article in Journal | | 1964 |
| The 1848 petitions : the William Smith O'Brien petition/records at the National Archives of Ireland | | Monograph or Collective Volume | Eneclann | 2001 |
| The 1848 William Smith O'Brien petition | Medlycott, Elinor (née Nuttall) | Article in Journal | | 2002 |
| The accusing ghost; or justice for Casement | Noyes, Alfred | Monograph or Collective Volume | Gollancz | 1957 |
| The afterlife of Roger Casement | McDiarmid, Lucy | Article in Book | | 2005 |
| The alternatives to civil war | Oliver, Frederick Scott, 1864-1934 | Monograph or Collective Volume | John Murray | 1913 |
| The Amritsar Massacre, 1919: the Irish connection | Grace, Pierce A. | Article in Journal | | 2010 |
| The bard of Erin : a study of Thomas Moore's Irish melodies, 1808-1834 | Tessier, Thérèse | Monograph or Collective Volume | [s.n.] | 1981 |
| The battle for Butte : mining and politics on the Northern frontier, 1864-1906 | Malone, Michael P. | Monograph or Collective Volume | University of Washington Press | 1985 |
| The beligerent prelate : an alliance between archbishop Daniel Mannix and Eamon de Valera | Mannix, Patrick | Monograph or Collective Volume | Cambridge Scholars Publishing | 2013 |
| The Black Diaries : a question of authenticity | Sawyer, Roger | Article in Book | | 2005 |
| The blacksmith : an integral member of society in early Ireland and Scotland | Grigg, Julianna | Article in Book | | 2003 |
| The Booles & the Hintons : two dynasties that helped shape the modern world | Kennedy, Gerry, 1943- | Monograph or Collective Volume | Atrium | 2016 |
| The British government and Archbishop Daniel Mannix | O'Brien, John | Article in Journal | | 1988 |
| The building of Ballinabranna Chapel 1823-1830 | Kinsella, Shay | Article in Journal | | 2024 |
| The Callan image | McLaughlin, P. J. | Article in Journal | | 1964 |
| The career of Roger Casement | Colum, Padraic | Article in Journal | | 1931 |
| The Carlow man who saved Hitler. Michael Keogh fought for Ireland, England and Germany during an eventful life | Thorpe, David | Article in Journal | | 2011 |
| The case for Home Rule | Gwynn, Stephen Lucius, 1864-1950 | Monograph or Collective Volume | Maunsell | 1911 |
| The Casement "black diaries" debate : the story so far | Mitchell, Angus | Article in Journal | | 2001 |
| The Casement memorial statue : Dún Laoghaire | Mitchell, Angus | Monograph or Collective Volume | Dún Laoghaire-Rathdown County Council | 2022 |
| The Casement Memorial Statue and the 'Nightmare of history' | | Article in Journal | | 2022 |
| The Casement treason trial in its legal context | Gearty, Conor Anthony | Article in Book | | 2005 |
| The charities and famine in mid-nineteenth-century Ireland | O'Neill, Timothy P. | Article in Book | NA | 1999 |
| The charm of Ireland. Her places of beauty, entertainment, sport and historic association | Gwynn, Stephen Lucius, 1864-1950 | Monograph or Collective Volume | | 1934 |
| The colonial Conan Doyle : British imperialism, Irish nationalism and the gothic | Wynne, Catherine | Monograph or Collective Volume | Greenwood | 2002 |
| The development of the Ring fishing industry 1846-1864 | O'Donoghue, T. A. | Article in Journal | | 1981 |
| The devil and Mr Casement : one man's struggle for human rights in South America's heart of darkness | Goodman, Jordan | Monograph or Collective Volume | Verso | 2009 |
| The diaries of G.F. Collins : Foxrock Mart, 1864-1904 | Farrell, Ted | Monograph or Collective Volume | Foxrock Local History Club | 1986 |
| The door of two tales - past and present | Higgins, Aislinn | Article in Journal | | 2019 |
| The Dundalk and Enniskillen Railway: an undertaking so full of hopeful promise | Geraghty, P.J.
| Article in Journal | | 2013 |
| The dust of Maynooth : Fenian funeral as political theater - St. Louis, 1865 | Morgan, Jack | Article in Journal | | 1998 |
| The early Gaelic League : a Bansha connection | Breathnach, DiarmuidNí Mhurchú, Máíre | Article in Journal | | 2006 |
| The et-ligature in the Book of Kells: revealing the ‘calligraphic imagination’ of its great scribe | MacGabhann, Donncha | Article in Book | | 2017 |
| The ethico-politics of homo-ness : Beckett's How It Is and Casement's Black Diaries | Bixby, Patrick | Article in Journal | | 2012 |
| The extraordinary history of the house of Maunsel | Hutton, Clare | Article in Book | | 2011 |
| The eyes of another race : Roger Casement's Congo report and 1903 diary | Casement, Roger DavidO'Sullivan, Michael, 1962-2002Ó Síocháin, Séamus | Monograph or Collective Volume | University College Dublin | 2003 |
| The fabulous Boole sisters | MacHale, Des,Mac Lellan, Anne, | Article in Book | | 2009 |
| The first memorial to Roger Casement | O'Brien, Seumas | Article in Journal | | 1951 |
| The forged Casement Diaries | Maloney, W. J. M. A. | Monograph or Collective Volume | Talbot Press | 1936 |
| The foundation of the National Library of Ireland, 1836-1877 | Long, Gerard | Article in Journal | | 1991 |
| The funeral of William Smith O'Brien | McMahon, Jerry | Article in Journal | | 1990 |
| The Galway American 1862-63 : James Roche and the American civil war | Joyce, Toby | Article in Journal | | 1996 |
| The Galway line in context : a contribution to Galway maritime history | Collins, Timothy | Article in Journal | | 1995 |
| The Galway packet-boat contract and the politics of public expenditure in mid-Victorian Ireland | Kanter, Douglas | Article in Journal | | 2016 |
| The Grangs - a 19th century house at Kill of the Grange | Laffan, Moira | Monograph or Collective Volume | Foxrock Local History Club | 1986 |
| The history of Ireland | Gwynn, Stephen Lucius, 1864-1950 | Monograph or Collective Volume | | 1923 |
| The history of the ninth regiment, Massachusetts Volunteer Infantry, June, 1861-June, 1864 | Macnamara, Daniel GeorgeSamito, Christian G. | Monograph or Collective Volume | Fordham University Press | 2000 |
| The Irish collection in the National Gallery of Ireland | Bhreathnach-Lynch, Síghle | Article in Journal | | 1998 |
| The Irish lineage of the 69th Pennsylvania Volunteers | Kane, Michael H. | Article in Journal | | 1991 |
| The Irish RM : the Resident Magistrates in the British administration of Ireland | Bonsall, Penny | Monograph or Collective Volume | Four Courts | 1997 |
| The Irish volunteer | Lycett, Andrew | Article in Journal | | 2016 |
| The journals of Sir John Benn-Walsh relating to the management of his Irish estates, 1823-64 | Donnelly, James S., Jr | Article in Journal | | 1975 |
| The Kennedy interlude, 1864-66 | Smith, Robert | Article in Journal | | 1980 |
| The Kilcloney eviction. A south Carlow tenant family's struggle to hold onto their homestead in late 19th century Ireland | Kinsella, Mick | Article in Journal | | 2020 |
| The killing of Sir Arthur Vicars, April 1921, an exceptional case | Joy, Conor | Article in Journal | | 2016 |
| The last of the traditionalists, Patrick Byrne 1783-1864 | Raftery, Patrick | Article in Journal | | 1964 |
| The law relating to mines, minerals and quarries in Great Britain and Ireland ... | Rogers, Arundel | Monograph or Collective Volume | | 1864 |
| The letters and diaries of John Henry Newman, Vol 21 : The Apologia, 1864-1865 | Newman, John Henry, cardinal, 1801-1890 | Monograph or Collective Volume | Nelson | 1971 |
| The letters of Peter le Page Renouf (1822-1897), Vol.3 : Dublin (1854-1864) | Cathcart, Kevin J.Renouf, Peter Le Page | Monograph or Collective Volume | University College Dublin | 2003 |
| The life and death of Timothy Quinlisk: the Waterford connections to Roger Casement's Irish Brigade | McCarthy, Pat | Article in Journal | | 2012 |
| The life and times of Roger Casement | Mackey, Herbert O. | Monograph or Collective Volume | Fallon | 1954 |
| The life and work of George Boole : a prelude to the digital age | MacHale, Desmond | Monograph or Collective Volume | Cork University Press | 2014 |
| The life of Sir Denis Henry : Catholic Unionist | McDonnell, A. D. | Monograph or Collective Volume | Ulster Historical Foundation | 2000 |
| The Limerick watercourse | Jackson, Valentine | Article in Journal | | 1947 |
| The link between the Dublin Rebellion and the Lowestoft Raid of 25 April 1916 | Ferguson, Kenneth | Article in Journal | | 2017 |
| The literary afterlives of Roger Casement, 1899-2016 | Garden, Alison | Monograph or Collective Volume | Liverpool University Press | 2020 |
| The lives of Roger Casement | Reid, B. L. | Monograph or Collective Volume | Yale University Press | 1976 |
| The lost Ireland of Stephen Gwynn: Irish constitutional nationalism and cultural politics, 1864-1950 | Reid, Colin | Monograph or Collective Volume | Manchester University Press | 2011 |
| The Lumiere brothers Irish films | Monks, Robert | Article in Journal | | 1998 |
| The MacQuillans and Dunluce Castle....new evidence from recent excavations | Gault, AndrewMcAlister, Grace | Article in Journal | | 2015 |
| The making of a revolutionary : Casement and the volunteers, 1913-14 | Laffan, Michael | Article in Book | | 2005 |
| The Martyrology of Donegal : a calendar of the saints of Ireland | | Monograph or Collective Volume | Irish Archaeological & Celtic Society | 1864 |
| The McCorkell of Londonderry orderbook, 1864-71 | McCorkell, PatrickTrainor, Brian | Article in Journal | | 1979 |
| The McManus brothers. Patrick; 1864-1929; Seumas : 1868-1960 | Meehan, Helen | Article in Journal | | 1994 |
| The military correspondence of Field Marshal Sir Henry Wilson, 1918-22 | Jeffery, KeithWilson, Henry Hughes, Sir, 1864-1922 | Monograph or Collective Volume | Bodley Head for the Army Records Society | 1985 |
| The Morpeth Roll : Ireland identified in 1841 | | Monograph or Collective Volume | Four Courts | 2013 |
| The Morpeth Roll today | Ridgway, Christopher | Article in Book | | 2013 |
| The mystery man of Banna strand : the life and death of Captain Robert Monteith | Lynch, Florence Monteith | Monograph or Collective Volume | Vantage P. | 1959 |
| The mystery of the Casement ship | O'Donoghue, FlorenceSpindler, Karl | Monograph or Collective Volume | Anvil Books | 1965 |
| The mystery of William Handlon | Cole, Hunter McKelva | Article in Journal | | 2005 |
| The mystery remains : when was he born? when did he die? | Hanson, Maureen | Article in Journal | | 2002 |
| The new women of the Glens : writers and revolutionaries | O'Toole, Tina | Article in Book | | 2016 |
| The O'Maolconaire family : unpublished letters from Sir Edward Conry, Bart, to H. F. Hore, Est., 1864 | | Article in Journal | | 1941 |
| The old school tie - no 2, Rockwell College | Collins, Tom | Article in Journal | | 1946 |
| The old school, down Water St. | O'B., K. | Article in Journal | | 2003 |
| The papers of George Boole : descriptive list | University College Cork, Library | Monograph or Collective Volume | University College Cork, Library | 1992 |
| The penultimate Irish problem : Britain, Ireland and the exhumation of Roger Casement | Reeves, Chris | Article in Journal | | 2001 |
| The politics of resentment : Unionist regiments and the New Orleans immigrant community, 1862-1864 | Hunter, G. | Article in Journal | | 2003 |
| The postumous life of Roger Casement | McDiarmid, Lucy | Article in Book | | 1997 |
| The primary valuation of tenements for the parish of Taney | Ryan, Christopher | Article in Journal | | 1996 |
| The Putamayo Indians | Casement, Roger David | Article in Book | | 2000 |
| The Quaker schools in Clonmel | Ahern, Michael | Article in Journal | | 1990 |
| The quarantine of Archbishop Mannix : a British preventive policy during the Anglo-Irish troubles | Hachey, Thomas E. | Article in Journal | | 1970 |
| The Queer Life and Afterlife of Roger Casement | Lewis, Brian | Article in Journal | | 2005 |
| The re-appearing Ulster Presbyterian : J.S.M. Thompson : business and politics in New Zealand and Victoria | Davis, Richard | Article in Journal | | 2005 |
| The real archbishop Mannix from the sources | | Monograph or Collective Volume | Connor Court | 2015 |
| The real importance of Sir Roger Casement | Bew, Paul | Article in Journal | | 1994 |
| The rebel in his family : selected papers of William Smith O'Brien | Davis, MarianneDavis, Richard | Monograph or Collective Volume | Cork University Press | 1998 |
| The reluctant rebel : William Smith O'Brien | Davis, Richard | Article in Journal | | 1998 |
| The rental book of Gerald Fitzgerald, ninth earl of Kildare, begun in the year 1518 | | Article in Journal | | 1864 |
| The Rentouls of 2nd Ray | McRitchie, Marjorie | Article in Journal | | 1981 |
| The revolution in Ireland, 1906-1923 | Phillips, W. Alison (Walter Alison), 1864-1950 | Monograph or Collective Volume | Longmans | 1926 |
| The Ribbon Societies of counties Louth and Armagh, 1848-1864 | Ó Luain, Kerron | Article in Journal | | 2014 |
| The riddle of the two Casements? | Mitchell, Angus | Article in Book | | 2005 |
| The Rosscarbery Steam Engine | O'Mahony, Michael John | Article in Journal | | 2001 |
| The Royal Navy and the Sinn Fein rebellion | Kinsella, Anthony | Article in Journal | | 2017 |
| The scale of plasterwork production in the metropolitan centres of Britain and Ireland | Lucey, Conor | Article in Book | | 2012 |
| The Scariff martyrs : war, murder and memory in East Clare | Mac Conmara, Tomás | Monograph or Collective Volume | Mercier Press | 2021 |
| The scientific apparatus of Nicholas Callan and other historic insturments | Mollan, R. C. (R. Charles)Upton, John | Monograph or Collective Volume | St Patrick's College|Samton | 1994 |
| The search for Monkstown Livery | Conlon, Tom | Article in Journal | | 2018 |
| The sick call | McConvery, Brendan | Article in Book | | 2012 |
| The silken purse : bibliography in Ireland | Benson, CharlesPollard, Mary | Article in Book | | 1992 |
| The Society of Antient Concerts, Dublin, 1834-64 | Rodmell, Paul | Article in Book | | 2007 |
| The South Wexford railway | Shepherd, William Ernest (Ernie) | Article in Journal | | 2013 |
| The stealing of the Irish crown jewels : an unsolved crime | Dungan, Myles | Monograph or Collective Volume | Town House | 2003 |
| The story of Nano Nagle : a life lived on the razor's edge | Lyons, Anne | Monograph or Collective Volume | Messenger Publications | 2021 |
| The suicides of Thomas Judkin Fitzgerald (1864) and Lord Waterford (1895) | Laragy, Georgina | Article in Book | | 2016 |
| The Times versus William Smith O'Brien | Touhill, Blanche M. | Article in Journal | | 1982 |
| The Tinsley portrait sketches of the Wiliam Smith O'Brien trial | Forbes, J. D. | Article in Journal | | 1953 |
| The treason of Sir Roger Casement | Costigan, Giovanni | Article in Journal | | 1955 |
| The trial of Roger Casement : a study in theatre management | Edwards, Owen Dudley | Article in Book | | 2005 |
| The visits to Ireland of John Hughes, Archbishop of New York from 1840 to 1862 | McKenna, Ellen | Article in Journal | | 2009 |
| The Wexford Infirmary : Rebecca Anne Boxwell, Matron, 1846-1864 | Lambert, Tom | Article in Journal | | 2006 |
| The youth and Irish military service of Patrick Cleburne (1828-1864) | Joslyn, Mauriel Phillips | Article in Journal | | 2002 |
| Theft of the Irish Crown Jewels from Dublin Castle July 1907 | Joyce, Brónach | Article in Journal | | 2000 |
| Then & now - 130 years on. Has anything changed? | O'Kelly, Paula | Article in Journal | | 1994 |
| Theobald Wolfe Tone, colonial outsider : an analysis of his political philosophy | Dunne, Tom, 1939- | Monograph or Collective Volume | Tower Books | 1982 |
| Thesis abstract : Sir Richard Griffith’s three valuations of Ireland, 1826–1864 | Smyth, William Anthony | Article in Journal | | 2010 |
| Thirty-two words for field : lost words of the Irish landscape | Magan, Manchán | Monograph or Collective Volume | Gill Books | 2020 |
| Thomas James Crotty O.P. and his correspondence with Sir Roger Casement | Walsh, Edward | Article in Journal | | 2019 |
| Thomas Moore | Gwynn, Stephen Lucius, 1864-1950 | Monograph or Collective Volume | | 1905 |
| Three Oxford liberals and the Plan of Campaign in Donegal, 1889 | Curtis, L. Perry, Jr | Article in Journal | | 2011 |
| Tithe and rent as sources for Irish agricultural trends before 1815 | Dickson, David | Article in Book | | 1982 |
| Travels of William Smith O'Brien in Europe and the wider world 1843 to 1864 | Davis, Richard | Monograph or Collective Volume | Geography Publications | 2013 |
| Trial of Sir Roger Casement | | Monograph or Collective Volume | William Hodge | 1960 |
| Tuireamh an Athar Diarmada Uí Uallacháin le Peadair Sheáin Ó Conchúir. | Ua Súilleabháin, Seán | Article in Book | | 2000 |
| Two eighteenth century musical instrument makers | De Valera, Terry, 1922-2007 | Article in Journal | | 1983 |
| 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 |
| Vetera monumenta Hibernorum et Scotorum historiam illustrantia ... 1216-1547 | | Monograph or Collective Volume | | 1864 |
| Victorian gallery: Louisa Tenison's photographic and mixed-media album, 1864-74 | Fitzpatrick, Orla | Article in Journal | | 2011 |
| Victorian stained glass as memorial : an image of George Boole | Lambert, Kevin | Article in Book | | 2008 |
| Vignettes of family life | Ryan, Mary | Article in Journal | | 2008 |
| Voltaire's 'La voix du sage et du peuple' in Ireland : or enlightened anticlericalism in two jurisdictions | Conway, TimGargett, Graham | Article in Journal | | 2005 |
| Walter Osborne and Ireland 1859-1903 | Gwynn, Stephen Lucius, 1864-1950 | Article in Journal | | 1943 |
| Westward from Ballyquin | Higgins, M. A. | Article in Journal | | 2011 |
| What federalism is not | Oliver, Frederick Scott, 1864-1934 | Monograph or Collective Volume | John Murray | 1914 |
| Who is Roger Casement? A new perspective | Laubscher, Michael | Monograph or Collective Volume | Irish History Press | 2010 |
| William Bulfin | | Article in Journal | | 2016 |
| William Bulfin ('Che Buono') editor of the 'Southern Cross' | Mehigan, P. D. | Article in Journal | | 1944 |
| William Rowan Hamilton and George Boole | Simmons, Charlotte | Article in Journal | | 2008 |
| William Smith O'Brien | Gwynn, D. R. (Denis Rolleston), 1893-1972 | Article in Journal | | 1946 |
| William Smith O'Brien 1803-1864 | Bugler, Paul | Article in Journal | | 2003 |
| William Smith O'Brien : Ireland 1848 - Tasmania | Davis, Richard | Monograph or Collective Volume | Geography Publications | 1989 |
| William Smith O'Brien and his Irish revolutionary companions in penal exile | Touhill, Blanche M. | Monograph or Collective Volume | University of Missouri Press | 1981 |
| William Smith O'Brien and his second | De Bhaldraithe, Pádraig | Article in Journal | | 1989 |
| William Smith O'Brien and the American civil war | David, Richard | Article in Journal | | 1993 |
| William Smith O'Brien and the Young Ireland rebellion of 1848 | Sloan, Robert | Monograph or Collective Volume | Four Courts | 2000 |
| William Smith O'Brien in Van Diemen's Land | Heaney, Carmel | Article in Journal | | 1998 |
| William Smith O'Brien in Van Diemen's land 1849-1864 | Cussen, John | Article in Journal | | 1988 |
| William Smith O'Brien, 1803-1864 | Heaney, Carmel | Monograph or Collective Volume | Donatus Press | 2004 |
| William Smith O'Brien, 6th October 1803 - 18th June 1864 | O'Brien, Brendan | Article in Journal | | 1998 |
| William Smith O'Brien, an scoláire Gaeilge | Mac Peaircín, Liam, 1938-2019 | Article in Journal | | 2002 |
| William Smith O'Brien, Poor Laws and convicts | Davis, Richard P. | Article in Book | | 2011 |
| William Smith O'Brien. A plea for mercy from the people of Ireland | Duffy, Godfrey | Article in Journal | | 1994 |
| William Smith O’Brien : petitions of mercy | Duffy, Godfrey F. | Article in Journal | | 1995 |
| William Smith O’Brien as an imperialist | Davis, Richard | Article in Book | | 1995 |
| William Smith O’Brien’s secret family | Weir, Hugh W. L. | Article in Journal | | 1996 |
| William Wallace's civil war letters : the Virginia campaign | Holzhueter, John O. | Article in Journal | | 1973 |
| With God's assistance. On the 150th anniversary of its completion, Michael O'Neill traces key chapters in the Pakenham-Guinness restoration of St Patrick's Cathedral 1845-1865 | O'Neill, Michael | Article in Journal | | 2015 |
| Women and the contagious diseases acts, 1864-1886 | Luddy, Maria | Article in Journal | | 1993 |
| Writing home. Letters from Benjamin Foster Elliott from the United States to his family in County Monaghan written between 1849 and 1864 | Elliott, Benjamin Foster | Article in Journal | | 2012 |
| You'll never go back | Nevin, Kathleen | Monograph or Collective Volume | Cardinal Press | 1999 |
| ‘A mixing of social and national aspirations’ [The Irish Self-Determination League of Great Britain (ISDL), 1919-31] | Manning, Pádraig | Article in Journal | | 2019 |
| “Scallions, pikes and bog oak ornaments” : the Irish Republican Brotherhood and the Chicago Fenian fair, 1864 | Griffin, Brian | Article in Journal | | 1995 |
| “the incorrigible Irishman” : Roger Casement and the ‘greening’ of Irish studies | Flannery, Eóin | Article in Journal | | 2019 |