| Walker, Brian see Walker, B. M. (Brian Mercer) | Cross-reference | | |
| "A bright expectation to the general rule?" Musical standards at Christ Church Cathedral Dublin in the early nineteenth century | Boydell, Barra | Article in Book | Aldershot | 2000 |
| "A most unenviable reputation" : the Christian Brothers and school discipline over two centuries | Coldrey, Barry M. | Article in Book | Leicester University Press | 1996 |
| "Almost a class of helots in an ancient land" : the British state and Irish immigration, 1921-45 | Delaney, Enda | Article in Book | Irish Academic Press | 2000 |
| "Almost as bad as Ireland" : the experience of the Irish famine immigrant in Canada, St John, 1847 | Whalen, James M. | Article in Book | Celtic Arts of Canada | 1988 |
| "An act of power and corruption"? the union debate | Geoghegan, Patrick M. | Article in Journal | | 2000 |
| "An anarchy in the mind and in the heart" : narrating Anglo-Ireland | Wolff, Ellen M. | Monograph or Collective Volume | Bucknell University Press | 2006 |
| "An unprecedented influx" : nativism and Irish famine immigration to Canada | See, Scott W. | Article in Book | Praeger | 2003 |
| "Auld Licht, New Licht" and original secessionists in Scotland and Ulster | Smith, Richard M. | Article in Journal | | 2006 |
| "Befitting emblems of adversity" : a modern Irish view of Edmund Spenser from W.B. Yeats to the present | Gardiner, David M. | Monograph or Collective Volume | Creighton University Press | 2001 |
| "Bithiúnaigh iad uilig" : sagairt agus easpaig i 1798 | Keogh, Dáire | Article in Book | NA | 1998 |
| "Celtic exodus" : the famine Irish, ethnic stereotypes, and the cultivation of American racial nationalism | Knobel, Dale T. | Article in Book | Praeger | 2003 |
| "Celtic's Our Side" : Sporting Representatives of the Irish in Scotland | Bradley, Joseph M. | Article in Book | Tauris | 2006 |
| "Centres of motion" : Irish cities and the origins of popular politics | Dickson, David | Article in Book | NA | 1991 |
| "Come you all courageously" : Irish women in America write home | Harris, R.-A. M. | Article in Journal | | 2001 |
| "Conceived in sins, born in delights" : stories of procreation from early Ireland | Bitel, Lisa M., 1958- | Article in Journal | | 1992 |
| "Do not marry the fat short one" : the early Irish wisdom on women | Bitel, Lisa M., 1958- | Article in Book | Indiana University Press | 1995 |
| "Friends of the Union" : Liverpool, Ulster, and Home Rule 1910-1914 | Jackson, Daniel M. | Article in Journal | | 2003 |
| "Gentle as the snow on a rooftop" : the Irish in Nova Scotia to 1830 | Punch, Terence M. | Article in Book | Celtic Arts of Canada | 1988 |
| "God's unfortunate people" : historiography of Irish Catholics in nineteenth-century Canada | Baker, William M. | Article in Book | Celtic Arts of Canada | 1988 |
| "Here will we sit" : the creation of the Ulster Hall | Johnston, Roy | Article in Book | Oxford University Press | 2000 |
| "Humour the people": Subaltern collective agency and uneven proletarianization in Castlecomer Colliery, 1826-34 | Dunne, Terence M. | Article in Journal | | 2018 |
| "Into the Arms": U2, America and the 1980s | Brillman, M.L. | Article in Journal | | 2019 |
| "Ireland's eye : the photographs of John Welch" : review | Weatherup, D. R. M. | Article in Journal | | 1978 |
| "It must have been the Irish" - Irish character and colonial engineering : the heroic life (and tragic suicide) of C.Y. O'Connor | Taylor, William M. | Article in Book | Crossing Press | 2000 |
| "It was in human nature to love one's native land and make sacrifices for it" : Monumental commemorations and corporeal relics in 1920s Irish-Australia | Wooding, Jonathan M. | Article in Journal | | 2007 |
| "Li Salt Brandan" : navigation and flight : a contribution to the study of the fantastic narrative in Benediet's "Voyage of Saint Brendan" | Lemarchand, M. L. | Article in Book | Boole Press | 1989 |
| "Martyrs in Flames" : Sir John Temple and the Conception of the Irish in English Martyrologies | Noonan, Kathleen M. | Article in Journal | | 2004 |
| "National Antiquities" and the Law | Dawson, N. M. | Article in Journal | | 2007 |
| "Nervous Energy and Administrative Ability" : The Early Lady Principals and Lady Superintendents in Ireland | Fealy, Gerard M.Harford, Judith | Article in Journal | | 2007 |
| "Not so different after all": Irish and Continental European Antisemitism in comparative perspective | Douglas, R. M. | Article in Book | | 2018 |
| "Nurse to all rebellions" : Grace O'Malley and sixteenth-century Connacht | Schwind, M. L. | Article in Journal | | 1978 |
| "Principle, party and protest" : the language of Victorian Orangeism in the north of England | MacRaild, Donald M. | Article in Book | Scolar | 1996 |
| "Puck" fair | M., S. | Article in Journal | | 1997 |
| "So near to us as a sister" : incestuous unions in Sydney Owenson's The Wild Irish Girl and Maria Edgeworth's The Absentee | Kroeg, Susan M. | Article in Book | Bucknell University Press | 2008 |
| "Staging a lie" : Boston Catholics and the new Irish drama | Kane, Paula M. | Article in Book | Leicester University Press | 1996 |
| "Still 'black' and 'proud'" : Irish America and the racial politics of Hibernophilia | Eagan, C. M. (Catherine M.) | Article in Book | Duke University Press | 2006 |
| "Tempering the rawness" : W. E. Hearn, Irish political economist and intellectual life in Australia | Boylan, Thomas A.Foley, Timothy P. (Tadhg) | Article in Book | University College Galway | 1989 |
| "The black O'Connell" : Frederick Douglass and Ireland | Jenkins, Lee M. | Article in Journal | | 1999 |
| "The blind girl at the holy well" : a triology of picture | Johnston, Mairead M. | Article in Book | Kilkenny Archaeological Society | 1997 |
| "The bunkum of Ulsteria" : the Orange marching tradition in late Victorian Cumbria | MacRaild, Donald M. | Article in Book | Palgrave Macmillan | 2000 |
| "The continuation of Bede", s.a. 750 : high-kings, kings of Tara and "Bretwaldas" | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | Four Courts Press | 2000 |
| "The cruell pressure of an enraged, barbarous people" : Irish and English identity in seventeenth-century policy and propaganda | Noonan, Kathleen M. | Article in Journal | | 1998 |
| "The dreamy mazes of millennarianism" : William Graham and the Irish Presbyterian mission to German jews | Railton, Nicholas M. | Article in Book | | 2006 |
| "The Irish peasant had all his heart" : J.M. Synge in 'The Country Shop' | Dalsimer, Adele M. | Article in Book | Faber | 1993 |
| "The noblest offering that nation ever made to nation" : American philanthropy and the Great Famine in Ireland | Geary, Laurence M. | Article in Journal | | 2013 |
| "The profession of a gentleman" : books for the gentry and the nobility (c. 1560 to 1640) | Selwyn, DavidSelwyn, Pamela M. | Article in Book | Cambridge University Press | 2006 |
| "The visitation of God"? : the potato and the great Irish famine | Bourke, P. M. A. (Austin) | Monograph or Collective Volume | Lilliput Press | 1993 |
| "The wages of sin is death" : lock hospitals, venereal disease, and gender in pre-Famine Ireland | Geary, Laurence M. | Article in Book | Syracuse University Press | 2012 |
| "The whole country was in motion" : mendicancy and vagrancy in pre-famine Ireland | Geary, Laurence M. | Article in Book | University College Dublin Press | 1999 |
| "These are not the thinges men live by now a days" : Sir John Harington's visit to the O'Neill, 1599 | Gardiner, David M. | Article in Journal | | 1999 |
| "Tourists and evacuees" | Waddell, M.J. | Article in Journal | | 1987 |
| "United and knit to the imperial crown" : an English view of the Anglo-Hibernian constitution in 1670 | Baker, John Hamilton | Article in Book | Four Courts in association with the Irish Legal History Society | 2001 |
| "We Could Be of Service to Other Suffering People" : Representations of India in the Irish Nationalist Press, c.1857-1887 | Regan, Jennifer M. | Article in Journal | | 2008 |
| "We're all Irish": transforming Irish identity in a Midwestern community | French, Brigittine M. | Article in Journal | | 2007 |
| "White," if "not quite" : Irish whiteness in the nineteenth-century Irish-American novel | Eagan, C. M. (Catherine M.) | Article in Journal | | 2001 |
| "Ðu eart se weallstan" : Architectural Metaphor and Christological Imagery in the Old English Christ I and the Book of Kells | Kramer, Johanna | Article in Book | University of Toronto Press | 2007 |
| '...the air of a place of importance' : aspects of nineteenth-century Galway | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | Gill & Macmillan | 1984 |
| 'A consistant advocate of nigger emancipation': Daniel O'Connell and the campaign against slavery | Geoghegan, Patrick M. | Article in Journal | | 2010 |
| 'A fat, pompous old woman, ignorant, and illiterate' : popular midwifery in nineteenth-century Ireland | Geary, Laurence M. | Article in Book | | 2023 |
| 'A great daily organ' : the 'Freeman's Journal', 1736-1924 | Larkin, Felix M. | Article in Journal | | 2006 |
| 'A gruesome case' : James Joyce's Dublin murder case | Hardiman, Adrian | Article in Book | Four Courts in association with the National Library of Ireland Society | 2007 |
| 'A little nurse running around college' : legitimating nursing in the Irish academy | McNamara, Martin S. ; Fealy, Gerard M. | Article in Book | NA | 2010 |
| 'A magnificent and bewildering variety' : bookbinding in the eighteenth century | Foot, Mirjam M. | Article in Book | Bibliographical Society, British Library and Oak Knoll | 2004 |
| 'A mouthful of zephyrs' : the studio glass movement in Ireland, 1973-2003 | McBrinn, Joseph | Article in Book | Irish Academic Press | 2010 |
| 'A new world full of youthful hopes and promise' : Michael Davitt in Australia, 1895 | King, Carla | Article in Book | Irish Academic Press | 2008 |
| 'A noble church in the most Catholic quarter of a bitterly Protestant and Presbyterian city': the Church of the Most Holy Redeemer, Clonard, West Belfast | McGee, Caroline M. | Article in Book | Irish Academic Press | 2013 |
| 'A person of the second order' : the plight of the intellectually disabled in nineteenth-century Ireland | Walsh, Oonagh | Article in Book | Four Courts Press | 2015 |
| 'A roof-raising affair'? Éamon de Valera's tour of Australia and New Zealand | O'Dwyer, Rory | Article in Book | Irish Academic Press | 2008 |
| 'A tainted source'? : The Irish Bulletin, 1919-21 | Kenneally, Ian | Article in Book | Four Courts Press | 2014 |
| 'A veritable hurricane of sectarianism' : The year 1920 and ethno-religious conflict in Australia | Kildea, Jeff | Article in Book | McGill-Queen's University Press | 2015 |
| 'A world turned upside down' : a study of the changing social world of the landed nobility of county Meath, 1875-1945 | Dooley, Terence A. M. | Article in Journal | | 2001 |
| 'Abandon Hibernicisation' : priests, Ribbonmen and an Irish street fight in the north-east of England in 1858 | MacRaild, Donald M. | Article in Journal | | 2003 |
| 'An Act of Power & Corruption'?: the Union debate | Geoghegan, Patrick M. | Article in Book | Pen & Sword Books | 2018 |
| 'An extraordinary clever journalist' : Arthur Griffith's editorships, 1899-1919 | Kenny, Colm | Article in Book | Four Courts Press | 2014 |
| 'Artistic bombs': three 'shemus' cartoons 1922 | Larkin, Felix M. | Article in Journal | | 2011 |
| 'Ask now about former ages' : Howard B. Clarke, historian and teacher | Larkin, Felix M. | Article in Book | Four Courts Press | 2009 |
| 'Be you an Orangeman, you shall meet Orangemen' : New Zealand Ulster plantation revisited | Patterson, Brad | Article in Book | Irish Academic Press | 2008 |
| 'Borrowed twelve cuts' : a Cork printer lends and borrows | Pollard, M. | Article in Journal | | 1972 |
| 'Bradley, the taylor' | Risk, M. H. | Article in Journal | | 1969 |
| 'Bursts of Impassioned Eloquence' : William Bourke Cockran, American intervention, and the Easter Rising | Sweeney, Patrick M. | Article in Book | University College Dublin Press | 2016 |
| 'But much of it is fallen down': Excavations at Farnham House, Farnham, Co. Cavan | Chapple, Robert M. | Article in Journal | | 2005 |
| 'Challenging the headship of man' : militant suffragism and the Irish Citizen | Tiernan, Sonja | Article in Book | Four Courts Press | 2014 |
| 'Destruction by peace' : Hugh O'Neill after Kinsale | Walsh, M. K. | Monograph or Collective Volume | Amagh Historical Association | 1986 |
| 'Diaspora' and 'transnationalism' : theory and evidence in explanation of the Irish world-wide | MacRaild, Donald M. | Article in Journal | | 2006 |
| 'Don't let it get you down, its only castles burning' : an history of the fortifications of Dungannon | Chapple, Robert M. | Article in Journal | | 2007 |
| 'Early modern Ireland, 1534-1691' : a reassessment | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 1980 |
| 'Educate that you might be free' : childhood reading in Irish literary autobiography | O'Neill, Ciaran | Article in Book | Four Courts Press | 2014 |
| 'Fiction, amusement, instruction' : the Irish Fireside club and the educational ideology of the Gaelic League | Nic Congáil, Ríona | Article in Book | Four Courts Press | 2014 |
| 'French horns playing at every meal' : musical activity at Carton 1747-1895 | Mullaney-Dignam, Karol | Article in Book | University College Dublin Press | 2014 |
| 'Great stone houses' : Kilkenny and its early modern townhouses, 1550-1650 | Keane, G. M. | Thesis | | 2010 |
| 'Hail Brigit!' : gender authority and worship in early Ireland | Bitel, Lisa M., 1958- | Article in Book | | 2004 |
| 'He devoted himself with zeal': James Tuite, 1849-1916 | Ireland, Aideen M. | Article in Journal | | 2010 |
| 'How is it that such a small group of people can pressure governments ...?' : a history of the Irish Anti-Apartheid movement, 1964-90 | Scher, D. M. | Article in Book | | 1996 |
| 'Humour is the safety valve of a nation' : Dublin Opinion 1922-68 | Larkin, Felix M. | Article in Book | | 2014 |
| 'It was like a scene from the ball in Gone with the Wind' : social life at Castle Hyde, 1931-88 | Dooley, Terence A. M. | Article in Book | | 2011 |
| 'Love's rock-built tower' : the Ulster tower Thiepval | Hutchinson, Wesley | Article in Book | Four Courts Press | 2007 |
| 'May your walls fall, and may I live to tell': Excavations at Farnham House, Farnham, County Cavan (revisited) | Chapple, R.M. | Article in Journal | | 2006 |
| 'National feeling' and the colonial prison : Teeling's personal narrative | Wright, Julia M. | Article in Book | | 2005 |
| 'Oakgrove' cemetery... radiocarbon dates from an enclosed cemetery at Gransha, co. Derry | Chapple, R.M. | Article in Journal | | 2008 |
| 'One Scotland many cultures': Knowledge, acknowledgement and invisibility, Aiden McGeady and the sports media in a multicultural society | Bradley, Joseph M. | Article in Journal | | 2006 |
| 'Real Irish patriots would scorn to recognise the likes of you' : Larkin and Irish-America | Noonan, Alan J. M. | Article in Book | | 2013 |
| 'Replant the uprooted trunk of the tree of faith' : the Society of Jesus and the continental colleges for religious exiles | McCoog, Thomas M. | Article in Book | | 2013 |
| 'Report upon the recent epidemic fever in Ireland': the evidence from Cork | Geary, Laurence M. | Article in Book | | 2012 |
| 'Some measure of vocation': publishing in Ireland, 1939-69 | Doherty, GabrielDoherty, Gillian M. | Article in Book | | 2011 |
| 'That fabulous churchman' : towards a biography of Cardinal O'Connell | O'Toole, James M. | Article in Journal | | 1984 |
| 'That is what Scáthach did not teach me' : Aided Óenfir Aífe and an episode from the Mahábhárata | Ranero, Anna M. | Article in Journal | | 1997 |
| 'The best club in the world'? The House of Commons c. 1860-1915' | Port, M.H. | Article in Book | | 2002 |
| 'The best relief the poor can receive is from themselves' : the Society for Promoting the Comforts of the Poor | Geary, Laurence M. | Article in Book | | 2015 |
| 'The fairy godfather as regards the estate' : Henry Mallaby-Deeley and Carton, 1922-37 | Dooley, Terence A. M. | Article in Book | | 2014 |
| 'The first casualty of the sea': the 'Athenia'survivors and the Galway relief effort September 1939 | Carroll, Francis M. | Article in Journal | | 2011 |
| 'The most illiberal and monopolising corporation in existence' : the Royal College of Surgeons in Ireland and professional appointments to Irish county infirmaries | Geary, Laurence M. | Article in Book | | 2002 |
| 'This deluge of brass' : rhetoric in the first and fourth Drapier letters | Coughlin, M. N. | Article in Journal | | 1976 |
| 'Through the lens' : the Irish nurse in cinema and television | Fealy, Gerard M. | Article in Book | | 2005 |
| 'Till my further orders' : rules governing servants at Carton in the mid-eighteenth century | Dooley, Terence A. M. | Article in Book | | 2014 |
| 'To the taxpayers of Waterford' : the demise of Anglican political supremacy in Waterford | Hearne, John M. | Article in Journal | | 2001 |
| 'Well dressed and from a respectable street'... the rebel dispatch rider shot dead outside Trinity College, Dublin.... Easter Tuesday 1916 | Keogh, Raymond M. | Article in Journal | | 2009 |
| 'What Would I Be Doing at Home All Day?' Oral Narratives of Irish Married Women's Working Lives, 1936-1960 | Kiely, E.Leane, M. | Article in Journal | | 2004 |
| 'When the blood was bubbling in my veins...' : the misspent youth of Daniel O'Connell | Geoghegan, Patrick M. | Article in Journal | | 2009 |
| 'Where lunatics abound' : a history of mental health services in Northern Ireland | Prior, Pauline M. | Article in Book | | 1996 |
| 'Who traffic here beware no strife ensue' | Davies, K. M. (Kathleen Mary) | Article in Journal | | 2009 |
| 'Writing Limerick' : historians and other chroniclers | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | NA | 2009 |
| (Dis)placing empire : renegotiating British colonial geographies | | Monograph or Collective Volume | Ashgate | 2005 |
| (O) Kelly people and places | Kelly, Joseph M. | Monograph or Collective Volume | Ballinakella | 2003 |
| - Magister Pons de St David - the eponymous Irish Punch | Punch, Terrence M. | Article in Journal | | 2006 |
| 100 years of the County Kildare Archaeological Society | Clements, C. M. L., Lt. Col. | Article in Journal | | 1987 |
| 125 years of caring in Dublin : Our Lady's Hospice, Harold's Cross, 1879-2004 | Healy, T. M. | Monograph or Collective Volume | A & A Farmar | 2004 |
| 1641, 1689, 1690 and all that : the Unionist sense of history | Walker, B. M. (Brian Mercer) | Article in Journal | | 1992 |
| 1798 and the Irish bar | Geoghegan, Patrick M. | Monograph or Collective Volume | Bar Council of Ireland | 1998 |
| 18th century flour milling in Ireland | Cullen, L. M. (Louis Michael) | Article in Journal | | 1977 |
| 1900 and 1932: two dates in history and what happened in Lecale | Simpson, M. Lesley
| Article in Journal | | 2008 |
| 1916 and all that | Boylan, Ciara M. | Monograph or Collective Volume | History Press Ireland | 2012 |
| 35 years of N.I.R. : 1967 to 2002 | Allen, Jonathan M. | Monograph or Collective Volume | Colourpoint Books | 2003 |
| 63 Merrion Square pre-1917 | Ireland, Aideen M. | Article in Journal | | 2019 |
| A 1798 pike and notes on the battle of Tara Hill | Kerrigan, Paul M. | Article in Journal | | 1999 |
| A Background to St. Boniface's Mission | Wallace-Hadrill, J. M. | Article in Book | | 1975 |
| A ballad of Nurney | Drury, Charles M. | Article in Journal | | 1914 |
| A basic history of Ireland from the earliest times to 1922 | Breathnach, M. | Monograph or Collective Volume | Educational Company of Ireland | 1956 |
| A bibliography of published works on Irish foreign relations 1921-1978 | Maguire, M. | Monograph or Collective Volume | R.I.A. | 1981 |
| A bibliography of T. W. Freeman's contributions to the geography of Ireland | Davies, K. M. (Kathleen Mary) | Article in Journal | | 1973 |
| A bibliography of the history of Co. Kildare | Kavanagh, M. V. | Monograph or Collective Volume | Kildare County Council | 1976 |
| A bibliography of the Irish in Canada | Baker, William M.Metress, Seamus P. | Article in Book | | 1988 |
| A Bibliography of the Literature on British and Irish Labour Law | Hepple, B. A.Neeson, J. M.O'Higgins, Paul | Monograph or Collective Volume | Mansell Information | 1975 |
| A bibliography of the writings of J.H. Andrews | Davies, K. M. (Kathleen Mary)Haworth, Richard | Article in Book | | 1992 |
| A bibliography of Theobald Wolfe Tone | MacManus, M. J. | Article in Journal | | 1940 |
| A biographical dictionary of civil engineers in Great Britain and Ireland, volume 1 : 1500-1830 | | Monograph or Collective Volume | Thomas Telford | 2002 |
| A Boer ... : Limavady to the fore | McCurry, Victor M. | Monograph or Collective Volume | The author | 2004 |
| A bog body from the Meenybradden bog, County Donegal | Delaney, M.Ó Floinn, Raghnall | Article in Book | | 1995 |
| A box of books : the Trinity College secondhand booksale 1990-2014 | | Monograph or Collective Volume | Trinity College Secondhand Booksale Committee | 2014 |
| A brief account of ... the change in Religious Opinion now taking place in Dingle, and the west of the county of Kerry, Ireland | Thompson, A. M., Mrs | Monograph or Collective Volume | | 1846 |
| A bronze age cist cemetery at Stranagawilly, Co.Tyrone | Waddell, J.Waterman, D. M. | Article in Journal | | 1993 |
| A bronze socketed mount and blade from Shapwick House, Somerset | Gerrard, C. M.Youngs, S. M. | Article in Journal | | 1997 |
| A Butler saves Dublin Castle in April 1684 | Mansfield, B. M. | Article in Journal | | 1988 |
| A Carlow folly | Feeley, J.M.Moore, E.A. | Article in Journal | | 2016 |
| A case of undercutting wages? : Sectarian tension and the Barrow anti-Irish riot of 1864 | MacRaild, Donald M. | Article in Journal | | 1996 |
| A Castilian-Regalist cradling : Spanish-Habsburg formation of the early Irish Counter Reformation | Downey, Declan M. | Article in Book | | 2006 |
| A century of Irish drama : widening the stage | | Monograph or Collective Volume | Indiana University Press | 2000 |
| A ceramic head from Lady Lane, Waterford | Moore, M. J. | Article in Book | | 1988 |
| A chronological framework for the period from 208 BC to AD 600 | Baillie, M.Brown, D. | Article in Journal | | 2013 |
| A chronological glimpse into the later first millennium BC | Baillie, MikeBrown, David M. | Article in Book | | 2009 |
| A chronology of Thurles | Kennedy, J. M. | Monograph or Collective Volume | [s.n.] | 1946 |
| A Clogher chronology : Oct, 1641 to July, 1642 | Schegel, Donald M. | Article in Journal | | 1997 |
| A companion to Irish literature, volume one and volume two | | Monograph or Collective Volume | Blackwell | 2010 |
| A comparative study of pre- and post-famine migrants from north-west Ireland to North America | Mageean, Deirdre M. | Thesis | | |
| A comparative study of the Irish and Scottish livestock trades in the seventeenth century | Woodward, Donald | Article in Book | Donald | 1977 |
| A conscience shared : the Sheehy Skeffington papers | Whelan, Diarmuid ; Murphy, Ellen | Article in Book | Four Courts Press | 2007 |
| A contract between king and people in early medieval Ireland? 'Críth Gabhlach' on kingship | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Journal | | 1994 |
| A contribution towards a bibliography of the history of County Kildare in printed books | Kavanagh, M. V. | Monograph or Collective Volume | Kildare County Council | 1976 |
| A corps of yeomanry gunners in Ireland 1805-06 : the Loughlinstown gunners | Kerrigan, P. M. | Article in Journal | | 1983 |
| A Corpus of Inscriptions in the Irish Language from Australia: Lapidary Inscriptions | Byrnes, GregLindsey, RobertNoone, ValWooding, Jonathan M. | Article in Journal | | 2019 |
| A county Dublin election poll-book | Walker, B. M. (Brian Mercer) | Article in Journal | | 1972 |
| A County Kilkenny Georgian household notebook | Nevin, M. | Article in Journal | | 1980 |
| A county Waterford explorer | Spry, Irene M. | Article in Journal | | 1981 |
| A crucial administrative interlude : Sir Antony MacDonnell's return to Ireland, 1902-04 | Brillman, M. L. | Article in Journal | | 2005 |
| A D'Alton letter | Ireland, Aideen M. | Article in Journal | | 1983 |
| A danger to the men? : a history of women in Trinity College, Dublin, 1904-2004 | | Monograph or Collective Volume | Lilliput Press | 2004 |
| A danger to the men? Women in Trinity College Dublin in the first decade, 1904-1914 | Parkes, Susan M. | Article in Book | | 2010 |
| A dendro-rate for Haughey's fort | Baillie, M. G. L.Brown, D. M. | Article in Journal | | 1991 |
| A dendrochronologically-dated oak beam from Portglinone House, county Antrim | Brown, David M.Donnelly, Colm J. | Article in Journal | | 2000 |
| A description of Clogher cathedral in the early sixteenth century | Haren, M. J. | Article in Journal | | 1985 |
| A directory of rare book and special collections in the United Kingdom and the Republic of Ireland | | Monograph or Collective Volume | Library Association | 1985 |
| A document relating to an old St. Patrick's Church in Kilkenny | Lanigan, K. M. | Article in Journal | | 1983 |
| A doughboy with the Fighting Sixty-Ninth | Ettinger, A. ChurchillEttinger, Albert M., 1900-1984 | Monograph or Collective Volume | While Mane | 1992 |
| A family affair? English hangmen and a Dublin jail, 1923-54 | Doyle, David M.O'Donnell, Ian | Article in Journal | | 2014 |
| A family of Kennedy of Clogher and Londonderry, c. 1600-1938 | Kennedy, F. M. E. | Monograph or Collective Volume | Somerset Books | 1938 |
| A famine remembrance | Previté, A. M. A. | Article in Journal | | 1996 |
| A fearful tragedy and a great sensation | Kerr, Elizabeth M.F. | Article in Journal | | 2001 |
| A Fenian officer : Captain Edward O'Meagher Condon, and his American envoys, visits Millstreet, 1905 | Murray, O'Callaghan M. | Article in Journal | | 1977 |
| A forestry centenary | Joyce, Padraic M.O'Carroll, Niall | Article in Journal | | 2004 |
| A further note on Una and Duessa | Smith, Ronald M. | Article in Journal | | 1946 |
| A further quotation of Columbanus in Alchfrid's letter to Hyglac | Biggs, Frederick M. | Article in Journal | | 2006 |
| A Georgian survivor : Fitzwilliam Square garden and its commissioners | Bryan, M. | Article in Journal | | 2001 |
| A German view of Anglo-Irish relations in 1800 : Friedrich von Gentz on the act of union | Bond, M. A. | Article in Journal | | 1973 |
| A great deal of good verse : commencement entertainment in the 1680s | Pollard, M.Ó Seanóir, Stuart | Article in Journal | | 1981 |
| A great Irish soldier - 'Murrough of the burnings', born 1614 - died 1674 | O'Brien, M. | Article in Journal | | 1965 |
| A great Kerry physician | M., S. | Article in Journal | | 1997 |
| A greater Ireland : the Land League and transatlantic nationalism in Gilded Age America | Janis, Ely M. | Monograph or Collective Volume | University of Wisconsin Press | 2015 |
| A greater Ireland : the Land League and transatlantic nationalism in Gilded Age America | Janis, Ely M. | Monograph or Collective Volume | University of Wisconsin Press | 2015 |
| A guide to Carrickfergus castle | Jope, E. M. | Monograph or Collective Volume | | 1957 |
| A guide to sources for the history of Irish education, 1780-1922 | Parkes, Susan M. | Monograph or Collective Volume | Four Courts | 2010 |
| A hidden phase of American history : Ireland's part in America's struggle for liberty | O'Brien, M. J. | Monograph or Collective Volume | Genealogical Publishing | 1973 |
| A historical perspective on the Belfast roof truss | Gould, M. H. | Article in Journal | | 2001 |
| A history of British music | Young, P. M. | Monograph or Collective Volume | | 1967 |
| A history of Clare castle and its environs | Power, JosephÓ Tuathaigh, M. A. G. (Gearóid) | Monograph or Collective Volume | The author | 2004 |
| A history of Columb, barracks, Mullingar | O'Donnell, M. J. | Article in Journal | | 1965 |
| A history of Gallen Priory, Ferbane : from the time of St. Cynoc to the present day | Barber, Marie ThérèseDelaney, M. | Monograph or Collective Volume | Sisters of St. Joseph of Cluny | 2005 |
| A history of Mourne Grange school, 1900-1971 | Wilson, Anthony M. | Monograph or Collective Volume | The author | 1992 |
| A history of newspaper journalism in Belfast : 1855-1910 | Bartlett, Ciaran M. G. | Thesis | | 2014 |
| A history of St George's church, Belfast: two centuries of faith, worship and music | Walker, Brian M. | Monograph or Collective Volume | Ulster Historical Foundation | 2012 |
| A history of the Eastwood family in Ireland, 1600-1850 | Eastwood, David M. | Article in Journal | | 1999 |
| A history of the Irish Guild of Catholic Nurses : seventy five years of service 1922-1997 | Henry, Hanora M. | Monograph or Collective Volume | Irish Guild of Catholic Nurses | 1998 |
| A history of the Irish Post Office | Reynolds, M. | Monograph or Collective Volume | MacDonnell Whyte | 1983 |
| A history of the kingdom of Kerry | Cusack, M. F. (Margaret Anna), 1829-1899 | Monograph or Collective Volume | Éamonn de Búrca | 1995 |
| A hundred years on | Parkes, Susan M. | Article in Book | | 2004 |
| A journey from the county Louth to Bath in 1797 | Fortescue, M. A. | Article in Journal | | 1945 |
| A Kilkenny plague in Hampstead | Phelan, Margaret M. | Article in Journal | | 1995 |
| A KIlmallock Colonel in the Jacobite wars | Brett, Edward M. | Article in Journal | | 2009 |
| A legal history of Scotland, 1 : the beginnings to AD 1286 | Walker, D. M. | Monograph or Collective Volume | | 1988 |
| 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 to Mr Harding the printer upon the occasion of a paragraph in his newspaper relating to Mr Wood's halfpence | Drapier, M. B. [i.e. Jonathan Swift] | Monograph or Collective Volume | | 1724 |
| A letter to the shopkeepers, tradesmen, farmers and common people of Ireland, concerning the brass half-pence coined by Mr Woods | Drapier, M. B. [i.e. Jonathan Swift] | Monograph or Collective Volume | | 1723 |
| A letter to the whole people of Ireland | Drapier, M. B. [i.e. Jonathan Swift] | Monograph or Collective Volume | | 1724 |
| A life at sea | Gilmore, M. | Article in Journal | | 2001 |
| A Limerick man and the 1939 IRA bombing campaign in England: the trial of Gerald Wharton | Hayes, Paul M. | Article in Journal | | 2008 |
| A list of 17th-century Dublin diocesan priests | O'Riordan, W. M. | Article in Journal | | 1962 |
| A list of architects, builders, surveyors, measurers and engineers extracted from Wilson's Dublin directories, 1760-1837 | | Article in Journal | | 1991 |
| A list of the priests, secular and regular, of the diocese of Dublin in the year 1697 | O'Riordan, W. M. | Article in Journal | | 1955 |
| A long long war : voices from the British Army in Northern Ireland, 1969-98 | Wharton, Ken M. | Monograph or Collective Volume | Helion | 2008 |
| A map of Mottes in the British Isles | McNeill, T. E.Pringle, M. | Article in Journal | | 1997 |
| A maritime and general history of Dungarvan, 1670-1978 | Young, J. M. R. | Monograph or Collective Volume | [s.n.] | 1978 |
| A medieval bronze gaming piece from Laoighis | Roe, Helen M. | Article in Journal | | 1945 |
| A medieval Irish ghost story | Wiley, Dan M. | Article in Journal | | 2013 |
| A medieval Irish legal commentary on wakes and funerals from Anfuigell ‘wrong judgment’ | Eska, Charlene M. | Article in Journal | | 2017 |
| A memoir of the late Albert Blest | Motherwell, M. C. | Monograph or Collective Volume | | 1843 |
| A mid-seventeenth-century house at Drumlummin, Tubrid | Cleary, R. M. A. | Article in Journal | | 1988 |
| A military map of Ireland of the late 1790s | Kerrigan, P. M. | Article in Journal | | 1975 |
| A Modern Legal History of Treasure | Dawson, N.M. | Monograph or Collective Volume | algrave Macmillan | 2023 |
| A monument 'where pilgrims may worship and patriotism be renewed': | Wooding, Jonathan M. | Article in Book | | 2001 |
| A monumental mission : the Ancient Order of Hibernians women and the construction of history | McCarthy, Tara M. | Article in Journal | | 2021 |
| A most distressful nation : the American Irish | Greeley, Andrew M. | Article in Journal | | 1971 |
| A new document in the Public Record Office : defensive houses in medieval towns | Jope, E. M.Seaby, W. A. | Article in Journal | | 1959 |
| A newly discovered reference table to the 1764 map of Bray, Co. Wicklow | Davies, K. M. (Kathleen Mary) | Article in Journal | | 2002 |
| A note on John Skerry, a Kilkenny emigrant to Canada | Punch, Terence M. | Article in Journal | | 1972 |
| A note on the location of the Roman burial site at Bray, Co. Wicklow | Davies, K. M. (Kathleen Mary) | Article in Journal | | 1989 |
| A patriot's mistake : being personal recollections of the Parnell family, by a daughter of the house | Dickinson, E. M. | Monograph or Collective Volume | | 1905 |
| A perspective on Irish population patterns | Walsh, Brendan M. | Article in Journal | | 1969 |
| A pictorial tour of Limerick Cathedral | Talbot, M. J. | Monograph or Collective Volume | Limerick Leader | 1966 |
| A place apart | Parkes, Susan M. | Article in Book | | 2013 |
| A poem of the Uí Dega | Dobbs, M. E. (Margaret E.), 1871-1962 | Article in Journal | | 1950 |
| A political history of the two Irelands : from partition to peace | Walker, B. M. (Brian Mercer) | Monograph or Collective Volume | Palgrave Macmillan | 2012 |
| A popular history of east Kerry | Donovan, T. M. | Monograph or Collective Volume | Talbot Press | 1931 |
| A psychological and social analysis of the Great Famine in Ireland | Geary, Laurence M. | Article in Book | | 1999 |
| A rare Waterford-printed book (1647) and its printer, Peter de Pienne | MacManus, M. J. | Article in Journal | | 1936 |
| A record of 17th century alumni | Sadleir, T. U.Watson, H. M. | Article in Journal | | 1957 |
| A record of coercion : votes of Irish members for the enlightenment of Irish elctors | Healy, T. M. | Monograph or Collective Volume | | 1881 |
| A referral service for Irish educators: an edition of the Literary Teachers Society Principals and Assistants book (1791-1825) | Mahon, M. Wade | Article in Journal | | 2018 |
| A remote survey of county Wexford | Gibbons, M. | Article in Journal | | 1989 |
| A rightful place in the sun : the struggle of the farm and rural labourers of County Wicklow | Connolly, Ross M. | Article in Book | | 1994 |
| A Romanesque arch and fort at Wicklow | Hickey, Helen M. | Article in Journal | | 1972 |
| A Russian missionary in Ferns. Father Vladimir Petcherine, C.S.S.R., 1807-1885 | Jones, Frederick M. | Article in Journal | | 1995 |
| A Salamancan who evaded the Inquisition : Florence Conry, pro-Hapsburg archbishop, diplomat and controversial theologian, c.1560-1629 | Downey, Declan M. | Article in Book | | 2008 |
| A sandhill settlement, Maghera, Co. Donegal | D'Evelyn, A. M. | Article in Journal | | 1933 |
| A scientific tour through Munster : the travels of Joseph Woods, architect and botanist, in 1809 | Lyne, Gerard J.Mitchell, M. E. | Article in Journal | | 1985 |
| A setting for a jewel | Davies, K. M. (Kathleen Mary) | Article in Journal | | 1994 |
| A settlement in Goodland townland, Co. Antrim | Sidebottom, J. M. | Article in Journal | | 1950 |
| A seventeenth century house at Drumlummin, Tubrid | Cleary, Rose M. | Article in Journal | | 1988 |
| A seventeenth-century find of gold ornaments | Ireland, Aideen M. | Article in Journal | | 1989 |
| A short account of the life and service to his country in the East Lancashire Regiment, of Harold Marcus Ervine-Andrews Victoria Cross | Walsh, Jean M.Walsh, R. Raymond | Monograph or Collective Volume | T.H.C.L. | 2000 |
| A short history of Keady parish, its church & people | Hogg, M. B. (Matthew Banks) | Monograph or Collective Volume | Ulster Gazette | 1928 |
| A short history of the Air Corps | Cassidy, M. | Article in Journal | | 1980 |
| A short history of the Presbyterian church in Ireland | Barkley, John M. | Monograph or Collective Volume | Presbyterian Church in Ireland | 1959 |
| A short-title calendar of the papers of Archbishop Michael Slattery in Archbishop's House, Thurles, 3 : 1846 | Tierney, M. | Article in Journal | | 1991 |
| A short-title catalogue of the papers of Archbishop Michael Slattery in Archbishop's house, Thurles. Part 3, 1846 | Tierney, M. | Article in Journal | | 1991 |
| A sketch of the history of Ferns Cathedral | FFrench, J. F. M. | Monograph or Collective Volume | Church of Ireland Printing & Publishing Co. | 1901 |
| A society on the run : a psychology of Northern Ireland | Fields, Rona M. | Monograph or Collective Volume | Penguin Education | 1973 |
| A Southern unionist on nationalism in Cork | Franks, M. H. (Harry) | Article in Book | | 2016 |
| A spark upon the Bann | Weatherup, D. R. M. | Article in Journal | | 2011 |
| A state of the different interests in the house of commons [1775-c.1780] (the Buckinghamshire list) | Johnston, E. M. | Article in Book | | 1963 |
| A statistical analysis and preliminary classification of gravestones from Craughwell, Co. Galway | Chapple, Robert M. | Article in Journal | | 2000 |
| A story of growth and change : Dublin 1560-1800 | Cullen, L. M. (Louis Michael) | Article in Book | | 1995 |
| A stranger among us | Higgins, M.A. | Article in Journal | | 2009 |
| A stroll around the village and parish of Waldron | Taylor, Violet M. | Article in Journal | | 2002 |
| A Study of community in eighth-century Ireland based on Navigatio Sancti Brendani Abbatis and the Celi Dé rules | Rumsey, Patricia M. | Article in Journal | | 2007 |
| A study of the John Hughes-Terence Donaghoe friendship | Coogan, M. Jane | Article in Journal | | 1982 |
| A sugar-boiling house at Galway : an Irish sugar plantation in Montserrat, West Indies | Goodwin, C. M.Pulsipher, Lydia Mihelic | Article in Journal | | 1982 |
| A survey of the antiquities in the barony of Small County, county Limerick | O'Kelly, M. J. (Michael Joseph) | Article in Journal | | 1944 |
| A tale of German espionage in wartime Ireland | Hull, Mark M. | Article in Book | | 2004 |
| A tale of two cities | Kraut, Alan M. | Article in Journal | | 2001 |
| A talk to NCOs | Costello, M. J. | Article in Journal | | 2011 |
| A time of grace - school memories : Edmund Rice and the Presentation tradition of education | | Monograph or Collective Volume | Veritas | 1996 |
| A tomb frontal in St. Canice's Cathedral, Kilkenny | Phelan, Margaret M. | Article in Journal | | 1998 |
| A tour of mid & south Down 1910-1935 | Crosbie, Jane E. M. | Monograph or Collective Volume | Friar's Bush | 1992 |
| A tour of north Down 1895-1925 : historic photographs from the W. A. Green collection at the Ulster Folk and Transport Museum | Crosbie, Jane E. M. | Monograph or Collective Volume | Friar's Bush | 1989 |
| A tour of the Ards 1910-35 : photographs of the Ards and north east Down from the W. A. Green collection at the Ulster Folk & Transport Museum | Crosbie, Jane E. M. | Monograph or Collective Volume | Friar's Bush | 1990 |
| A tower of strength to the movement : father Michael Hannan and the Irish Republic | Emmons, David M. | Article in Journal | | 2015 |
| A Tower of Strength to the Movement: Father Michael Hannan and the Irish Republic | Emmons, David M. | Article in Journal | | 2015 |
| A tree-ring chronology for the dating of Irish post-medieval timbers | Baillie, M. G. L. | Article in Journal | | 1974 |
| A vanished Ulster house : Echlinville, Co. Down | Waterman, D. M. | Article in Journal | | 1960 |
| A vase food vessel burial at Shantallow, Londonderry | Chapple, Robert M.
| Article in Journal | | 2009 |
| A vertical-wheeled watermill at Ardcloyne, Co. Cork | Clery, R. M. | Article in Journal | | 1999 |
| A Veterinary School to flourish : Veterinary College of Ireland 1900-2000 | | Monograph or Collective Volume | Faculty of Veterinary Medicine, UCD | 2001 |
| A Victorian Cromwell : Sir Charles Trevelyan, the famine and the age of improvement | Hernon, Joseph M. | Article in Journal | | 1987 |
| A view of Athenry from the outside | Nightingale, M. D. | Article in Journal | | 2001 |
| A visit to Lecale | Wilson, Anthony M. | Article in Journal | | 1995 |
| A Welsh presence in early Uíbh Fháile? | Fox, M. J. | Article in Journal | | 2005 |
| A wooden bridge on the Cashen river, Co. Kerry | O'Kelly, M. J. (Michael Joseph) | Article in Journal | | 1961 |
| A word for Ireland | Healy, T. M. | Monograph or Collective Volume | | 1886 |
| A York pioneer's recollections of youthful days in the Emerald Isle | Morphy, E. M. | Monograph or Collective Volume | Canadian House | 1970 |
| A. J. Gordon and H. Grattan Guiness : a case study of transatlantic evangelicalism | Gibson, Scott M. | Article in Book | | 1999 |
| A.D. McCormick - a Coleraine life recovered | Tilling, P. M. | Article in Journal | | 1995 |
| Abstracts of Chancery inquisitions of the seventeenth century for counties Fermanagh and Monaghan | Schlegel, Donald M. | Monograph or Collective Volume | Clogher Historical Society | 2008 |
| Abstruse and insecure? Irish immigrantiIdentity in modern Scotland | Bradley, Joseph M. | Article in Journal | | 1995 |
| Accommodations with the Protestant state and church : a comparative study of respective Dutch and Irish Catholic experiences | Downey, Declan M. | Article in Book | | 2011 |
| Acting in the periphery : the Irish theatre | Burke, Helen M. | Article in Book | | 2007 |
| Actions and views : John Brownlee Lonsdale, Unionist MP 1900-18 and party leader 1916-18 | Walter, Brian M. | Article in Book | | 2006 |
| Adare and the barony of Kenry : biographical dictionary | Feheney, John. M. | Monograph or Collective Volume | Iverus | 2010 |
| Addenda to the prehistoric rock art of County Donegal | Van Hoek, M. A. M. | Article in Journal | | 1993 |
| Address on the state of agriculture and the standard of living in Ireland in the years 1240-1350 | McEnery, M. J. | Article in Journal | | 1920 |
| Adomnán of Iona : theologian, lawmaker, peacemaker | | Monograph or Collective Volume | Four Courts | 2010 |
| Adomnan's 'Life of Columba'. | | Monograph or Collective Volume | | 1991 |
| Adomnán's voyaging saint : the cult of Cormac ua Liatháin | Tipp, Dan,Wooding, Jonathan M., | Article in Book | | 2010 |
| Advocacy, the Enlightenment, and the Catholic print trade in Mathew Carey's Dublin | Wolf, Nicholas M. | Article in Journal | | 2014 |
| Aedan Mac Gabrain | Dobbs, M. E. (Margaret E.), 1871-1962 | Article in Journal | | 1951 |
| After rackrent : ascendancy nationalism in Maria Edgeworth's later Irish novels | Colgan, M. | Article in Book | | 1982 |
| After the Celtic tiger : challenges ahead | Clinch, PeterConvery, FrankWalsh, Brendan M. | Monograph or Collective Volume | O'Brien Press | 2002 |
| Afterword : reflections from the bog bank | Gallagher, Margaret M. | Article in Book | | 2004 |
| Agostiniani e Scotisti : il contributo irlandese alla teologia della Controroforma nell'Europa continentale | Downey, Declan M. | Article in Book | | 2001 |
| Agricultural output and productivity in post-Famine Ireland | Turner, M. E. | Article in Book | | 1991 |
| Agricultural prices and living costs during the famine years in Waterford 1844-1848 | Hearne, John M. | Article in Journal | | 1995 |
| Agricultural records, A.D. 220-1977 | Stratton, J. M. ; Brown, Jack Houghton ; Whitlock, Ralph | Monograph or Collective Volume | NA | 1978 |
| Agriculture in the new state | Neenan, M. | Article in Book | | 1992 |
| Aigheas creidimh in Uachtar Ard sa 19ú haois | Ní Shuilleabháin, M. | Article in Journal | | 1978 |
| Aighneas creidimh in Uachtar Ard sa 19ú haois | Níu Shúilleabháin, M. | Article in Journal | | 1980 |
| Ailtirí na hAiséirighe: Ireland's Fascist new order | Douglas, R. M. | Article in Journal | | 2009 |
| Aireacht Melbourne agus Éire, 1835-41 | Ó Tuathaigh, M. A. G. (Gearóid) | Thesis | | 1968 |
| Airteach's western boundary | Connellan, M. J. | Article in Journal | | 1951 |
| Aldborough : an extinct Irish earldom | De Saubruit, G. M. | Article in Journal | | 1978 |
| Alexander 'Baby' Gray (1858-1916) and the battle at Ashbourne, 28th April 1916 | Dooley, Terence A. M. | Article in Journal | | 2003 |
| Alguns aspectos do monasticismo irlandês, através da Historia ecclesiastica gentis Anglorum do Ven. Beda | Schorer, M. T. | Article in Journal | | 1954 |
| All standards of human conduct : the American commission on conditions in Ireland, 1920-21 | Carroll, F. M. | Article in Journal | | 1981 |
| Alliances and misalliances in the politics of the Union | Cullen, L. M. (Louis Michael) | Article in Journal | | 2000 |
| Alluvial archaeology in the Barrow valley, southeast Ireland : the "Riverford Culture" revisited | Macklin, Mark G.Passmore, D. G.Ramsden, Peter G.Zvelebil, M. | Article in Journal | | 1996 |
| America and Irish Political Independence, 1910-1933 | Carroll, Francis M. | Article in Book | | 1985 |
| America and the 1916 Rising | Carroll, Francis M. | Article in Book | | 2007 |
| America and the Irish revolutionary movement in the eighteenth century | Kraus, M. | Article in Book | | 1939 |
| America and the Making of an Independent Ireland: A History | Carroll, Francis M. | Monograph or Collective Volume | New York University Press|NYU Press | 2021 |
| American cousins and the Irish diaspora by Mary Wack | Higgins, M.A. | Article in Journal | | 2004 |
| American Historical Association Guide to Historical Literature. 2 vols. | | Monograph or Collective Volume | | 1995 |
| American loyalist claimants with Irish connections | Punch, Terence M., CM, FIGRS | Article in Journal | | 2016 |
| American opinion and the Irish question, 1910-23 | Carroll, F.M. | Thesis | | 1969 |
| American opinion and the Irish question, 1910-23 : a study in opinion and policy | Carroll, F. M. | Monograph or Collective Volume | Gill & Macmillan|St. Martin's Press | 1978 |
| American presidents of Irish descent | Williamson, David | Article in Book | | 1993 |
| An account of the family of Wood, Co. Sligo, and their descendants | Jeffery, Lilian M. | Article in Journal | | 1963 |
| An account of the Territorials in Northern Ireland, 1947-78 | Gailey, I. B.Gillespie, W. F.Hassett, Joseph M. | Monograph or Collective Volume | Territorial, Anciliary and Volunteer Reserve Association for Northern Ireland | 1979 |
| An amateur looks at the Ossory tombs with apostolic surrounds | Phelan, Margaret M. | Article in Journal | | 1969 |
| An analysis giving a comparison of national expenditure, sources of revenue, and the debt, for the years 1929-30 and 1939-40 | Eason, J. C. M. | Article in Journal | | 1940 |
| An analysis of Scotch-Irish perceptions of the Northern Ireland conflict | Alexander, Joyce M. | Article in Journal | | 2004 |
| An analytical bibliography of universal collected biography. Comprising books published in the English language in Great Britain and Ireland, America and the British Dominions | Riches, P. M. | Monograph or Collective Volume | | 1934 |
| An anthropological perspective of land in western Ireland | Gabriel, T. G. M. | Article in Journal | | 1977 |
| An archaeological and historical assessment of the Liberty Hall Academy Complex, 1782-1803 | McDaniel, John M.Potter, Parker B.Russ, Kurt C. | Monograph or Collective Volume | Liberty Hall Press, Washington and Lee University | 1994 |
| An aristocracy of labor : the Irish miners of Butte, 1880-1914 | Emmons, David M. | Article in Journal | | 1987 |
| An authoritative account of the earliest Irish pioneers in New England | O'Brien, M. J. | Article in Journal | | 1919 |
| An ceangal trádála idir Éire agus an Fhrainc (1688-1800) | Ó Cuileáin, Lughaidh M. | Thesis | | 1956 |
| An Cheathrú Rua | Nic Dhonnchadha, Maedhbh M. | Article in Book | | 2000 |
| An chléir Chaitleacach, an léann dúchais agus an cultúr in Éirinn, c. 1750-c. 1850 | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | NA | 1986 |
| An early medieval horn from the River Erne | Waterman, D. M. | Article in Journal | | 1969 |
| An Easter parade - a bridge too far : the Irish Rising 1916 | Setchell, J. R. M. | Monograph or Collective Volume | The author | 2004 |
| 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 economic history of Ireland since 1660 | Cullen, L. M. (Louis Michael) | Monograph or Collective Volume | Batsford | 1987 |
| An economic history of Ireland since 1660 | Cullen, L. M. (Louis Michael) | Monograph or Collective Volume | Batsford | 1972 |
| An eighteenth century map of Ash Hill, Kilmallock | Ireland, Aideen M. | Article in Journal | | 1983 |
| An eighteenth century sword by Thomas Shephard of Dublin | Perceval-Price, M. C.Seaby, W. A. | Article in Journal | | 1968 |
| An Elizabethan dramatist on St Patrick | Flood, J. M. | Article in Journal | | 1948 |
| An elusive Fenian scholar in America : John O'Mahony, lover of Ireland | Angeline, M. | Article in Journal | | 1939 |
| An encrusted urn from Shanahoe, county Laois | Roe, Helen M. | Article in Journal | | 1946 |
| An gorta mór agus pholaitíocht | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 1995 |
| An Gúm : comhthéacs a bhunaithe | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 2020 |
| An Illustrated History of the Irish Revolution, 1916-1923 | Barry, Michael M. | Monograph or Collective Volume | Andalus Press | 20 |
| An imperial, utopian and 'visible' diaspora: the English since 1800 | MacRaild, Donald M. | Article in Book | | 2018 |
| An index to the Insurgents of 1641 in the county Fermanagh depositions | Schlegel, Donald M. | Article in Journal | | 2004 |
| An index to the rebels of 1641 in the county Monaghan depositions | Schlegel, Donald M. | Article in Journal | | 1995 |
| An indictment of Don Jual del Aguila | Jones, Frederick M. | Article in Journal | | 1955 |
| An interesting example of the extent of Irish emigrations to the American colonies | O'Brien, M. J. | Article in Journal | | 1928 |
| An interpretation of certain symbolic sculptures of early Christian Ireland | Roe, Helen M. | Article in Journal | | 1945 |
| An introduction | Cornish, Rory T.Hearne, John M. | Article in Book | | 2006 |
| An introduction to the early Irish king tales | Wiley, Dan M. | Article in Book | | 2008 |
| An Irish binding by William McKenzie, 1784 | Foot, Mirjam M. | Article in Journal | | 1989 |
| An Irish book binding | Nixon, Howard M. | Article in Journal | | 1954 |
| An Irish Corpus Astronomiae, being Manus O'Donnell's seventeenth-century version of the Lunario of Geronymo Cortès | Cortés, Jerónimo, d. 1615? | Monograph or Collective Volume | | 1915 |
| An Irish gentleman in England : the travels of Pole Cosby c.1730-35 | Beaumont, D. M. | Article in Journal | | 1996 |
| An Irish gentleman, George Henry Moore : his travel, his racing, his politics. With a preface by George Moore | Moore, M. G. | Monograph or Collective Volume | | 1913 |
| An Irish hero of France : a Corkman turns the tide at Landen | Costello, M. J. | Article in Journal | | 1945 |
| An Irish immigrant success story | Dunne, W. M. P. | Article in Journal | | 1992 |
| An Irish Italian? | Greeley, Andrew M. | Article in Journal | | 1975 |
| An Irish manuscript in western Australia : John Howard's prayer book | Brennan, Mary M. | Article in Book | | 2015 |
| An Irish opportunist in Paris : Dr Piers de Girardin | Gres-Gayer, Jacques M. | Article in Book | | 1997 |
| An Irish scholar - Maud Joynt | Scarlett, M. E. | Article in Journal | | 1940 |
| An Irish-French sporting connection : Daniel Bulger, Pierre de Combertin, and the modern Olympic Games | White, Cyril M. | Article in Book | | 2003 |
| An Irish-speaking island : state, religion, community, and the linguistic landscape of Ireland, 1770-1870 | Wolf, Nicholas M. | Monograph or Collective Volume | University of Wisconsin Press | 2014 |
| An Irishman in Wales : Daniel Beaufort's journals for 1766 and 1779 | McGarvie, M. | Article in Journal | | 1985 |
| An Irishman took the first printing-press into the state of Illinois | Stringfield, Annie M. | Article in Journal | | 1923 |
| An Ironside of Ireland : the remarkable career of Lieut.-General Michael Jones, governor of Dublin and commander of the parliamentary forces in Leinster, 1647-1649 | Kerr, A. W. M. | Monograph or Collective Volume | | 1923 |
| An island's story | Redington, M. | Article in Journal | | 1918 |
| An old Irish silver chalice | Gumley, E.M. | Article in Journal | | 1932 |
| An outline of modern Irish history, 1850-1951 | Collins, M. E. | Monograph or Collective Volume | Educational Company of Ireland | 1974 |
| An outline of the history of Saintfield and district | Griffith, E. M. | Article in Journal | | 1982 |
| An Piarsach agus 1916 : briathar, beart agus oidhreacht | NA | Monograph or Collective Volume | Cló Iar-Chonnacht | 2016 |
| An saol in Éirinn | Cullen, L. M. (Louis Michael) | Monograph or Collective Volume | Oifig an tSoláthair | 1976 |
| An Uachtarántacht : coinceap agus cleachtas | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | NA | 2003 |
| An Ulster settlement in New Zealand | Mitchell, M. | Article in Journal | | 1978 |
| An uncommon under-secretary : Sir Anthony MacDonnell, India and Ireland | Brillman, M. L. | Article in Book | | 2006 |
| An unidentified tomb in St Canice’s Cathedral, Kilkenny | Phelan, Margaret M. | Article in Journal | | 1996 |
| An unrecorded Swift item | MacManus, M. J. | Article in Journal | | 1947 |
| Analysis of the buttons from the Liberty Hall academy site complex | McDaniel, John M. | Article in Journal | | 1989 |
| Ancestral home of the Irish yew | Davies, K. M. (Kathleen Mary) | Article in Journal | | 1993 |
| Ancient mythology and revolutionary ideology in Ireland, 1878-1916 | Williams, M. | Article in Journal | | 1983 |
| Ancients and Moderns reconsidered | Levine, J. M. | Article in Journal | | 1981 |
| Andrew Horne : thirty years a master | Stronge, John M. | Monograph or Collective Volume | A & A Farmar | 1999 |
| Angiiskaia kolonizatsiia grafstva Ueksford v irlandii v nachale 17v | Saprykin, I. M. | Article in Journal | | 1955 |
| Anglican-Presbyterian relations | Barkley, John M. | Article in Book | | 1970 |
| Anglijskaja kolonizacija grafstva Ueksford v Irlandii v nacale xvii v | Saprykin, Yu. M. | Article in Journal | | 1955 |
| Anglijskoe zvoevanie Irlandü (12-17v. v.) | Saprykin, Yu. M. | Monograph or Collective Volume | Vysshaja Shkola | 1982 |
| Anglo-Irish music, 1780-1830 | Hogan, I. M. | Monograph or Collective Volume | | 1966 |
| Anglo-Irish music, 1780-1830 | Hogan, I. M. | Monograph or Collective Volume | Cork University Press | 1966 |
| Anglo-Irish poems of the middle ages | | Monograph or Collective Volume | Columba | 1995 |
| Anglo-Irish trade, 1660-1800 | Cullen, L. M. (Louis Michael) | Monograph or Collective Volume | Manchester University Press | 1968 |
| Anglo-Saxons and Attacotti : the racialization of Irishness in Britain between the world wars | Douglas, R. M., 1963- | Article in Journal | | 2002 |
| Animal palaeopathology in prehistoric and historic Ireland : a review of the evidence | Murphy, Eileen M. | Article in Book | | 2005 |
| Ann Cantwell | M., P. | Article in Journal | | 2017 |
| Anna McCaughan (obituary) | McSp., M. | Article in Journal | | 2001 |
| Annala Uladh | | Monograph or Collective Volume | [s.n.] | 1901 |
| Annals of Connacht : Annála Connacht A.D. 1224-1544 | | Monograph or Collective Volume | Institute for Advanced Studies | 1944 |
| Annals of the Irish harpers | Fox, C. M. | Monograph or Collective Volume | Ardrigh Books | 2013 |
| Annals of the Irish harpers | Fox, C. M. | Monograph or Collective Volume | | 1911 |
| Annals of Ulster, otherwise annals of Senat, a chronicle of Irish affairs, 432-1131, 1155-1541. Edited, with a translation and notes. 1 : 431-1056; 2 : 1057-1131, 1155-1378; 3 : 1379-1541; 4 : Introduction and index. 4 vols. | | Monograph or Collective Volume | | 1887 |
| Annals of Loch Cé: a chronicle of Irish affairs from A D 1014 to A D 1590 | | Monograph or Collective Volume | The Stationery Office [for the Irish Manuscripts Commission] | 1939 |
| Annals of Loch Cé: a chronicle of Irish affairs from A D 1014 to A D 1590 - volumes 1 & 2 | | Monograph or Collective Volume | De Búrca | 2000 |
| Annamoe Alley | Timmons, M.C. | Article in Journal | | 2004 |
| Another 'New Ireland' lost : the Irish of New Brunswick | Toner, P. M. | Article in Book | | 1988 |
| Anthropometric variation and the population history of Ireland | Crawford, M.H.Relethford, J. H. | Article in Journal | | 1995 |
| Anti-Catholicism | Wolffe, John | Article in Book | Oxford University Press | 2023 |
| Anticipating memory : landlordism, agrarianism and deference in late-nineteenth-century Ireland | Geary, Laurence M. | Article in Book | | 2005 |
| Apotheosis and crisis : the Irish diaspora in the age of Choiseul | Cullen, L. M. (Louis Michael) | Article in Book | | 2006 |
| Appendix C : List of Bronze Daggers of Ogival Type from Graves in the British... | Adsimon, A. M. | Article in Journal | | 1954 |
| Appreciation | T., M.C. | Article in Journal | | 2002 |
| Appreciation | T., M.C. | Article in Journal | | 2001 |
| Archaeological excavation at Inishloughlin, county Antrim: identifying the Gaelic fort of 'Enishlanghen' | Brown, David M.McDonald, PhilipMcHugh, RonanMussen, Sapphire | Article in Journal | | 2012 |
| Archaeological excavations at Tullahedy, County Tipperary: neolithic settlement in North Munster | Cleary, Rose M.Kelleher, Hilary | Monograph or Collective Volume | The Collins Press | 2011 |
| Archaeological excavations on the Cork-Dublin gas pipeline (1981-82) | | Monograph or Collective Volume | | 1987 |
| Archaeological Inventory of County Louth | Buckley, Victor M. | Monograph or Collective Volume | Stationery Office | 1986 |
| Archaeological inventory of County Meath | | Monograph or Collective Volume | The Stationery Office | 1987 |
| Archaeological investigation of a ringfort at Ballyduff, Co. Limerick | Cleary, R. M. | Article in Journal | | 1985 |
| Archaeological investigation of the site of a star-shaped fort at Singland, Garryowen, Limerick city | Cleary, Rose M. | Article in Journal | | 1996 |
| Archaeological jottings from the neighbourhood of Baltinglass | Drury, Charles M. | Article in Journal | | 1905 |
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| Archaeological survey of county Louth | Buckley, Victor M.Sweetman, P. D. | Monograph or Collective Volume | | 1991 |
| Archaeological survey of medieval monasteries in Co. Carlow | Feeley, Joseph M.Sheehan, J. | Article in Journal | | 2002 |
| Archaeology on a farm | Simpson, M. LesleyTurner, Brian | Article in Journal | | 1998 |
| Archbishop Carpenter's epistolae 1770-80 | | Article in Journal | | 1956 |
| Archbishop Ussher quotes Taliesin | Hudson, Wilson M. | Article in Journal | | 1950 |
| Archbishops Edmund MacGauran and Malachy O'Queely : some circumstances of their deaths | Connellan, M. J. | Article in Journal | | 1948 |
| Architects of the resurrection : Ailtirí na hAiséirghe and the Fascist 'new order' in Ireland | Douglas, R. M., 1963- | Monograph or Collective Volume | Manchester University Press | 2009 |
| Architecture and Buildings: Building the Post-Emancipation Church | Jordan, Kate | Article in Book | Oxford University Press | 2023 |
| Armagh city | McWilliams, Shirley M. | Article in Journal | | 1982 |
| Armagh County Museum - the reference library | Weatherup, D. R. M. | Article in Journal | | 1972 |
| Army organisation and society in the nineteenth century | Spiers, Edward M. | Article in Book | | 1996 |
| Arresting memories : captured moments in constabulary life | Scully, F. J. M.Sinclair, R. J. K. | Monograph or Collective Volume | Royal Ulster Constabulary | 1982 |
| Art of Down : the fine art collection of Down County Museum | Black, EileenSimpson, M. Lesley | Monograph or Collective Volume | Down County Museum | 2012 |
| Arthur Griffith and his early Sinn Féin policies | McEvatt, R. M. | Article in Journal | | 1971 |
| Ascendancy : Lady Mount Cashell, Lady Moira, Mary Wollstonecraft and the Union pamphlets | Todd, Janet M., 1942- | Article in Journal | | 2003 |
| Ascendancy nationalism, feminist nationalism, and stagecraft in Lady Gregory's revision of "Kincora" | Hawkins, M. S. G. | Article in Book | | 1989 |
| Ascendancy to oblivion : the story of the Anglo-Irish | McConville, M. | Monograph or Collective Volume | Quartet | 1986 |
| Asgard : the story of Irish sail training | Healy, EricNixon, W. M. | Monograph or Collective Volume | Coiste an Asgard | 2000 |
| Askeaton-Ballysteen : biographical dictionary | Feheney, John P. M. | Monograph or Collective Volume | Iverus Publications | 2007 |
| Askeaton/Ballysteen biographical dictionary | Feheney, John P. M. (John Patrick Matthew), 1932- | Monograph or Collective Volume | Iverus Publications | 2007 |
| Aspects of Ireland in children's fiction: an historical outline and analysis of children's fiction set in Ireland (1850-1986) | Lake, Wendy M. | Thesis | | |
| Aspects of Irish aristocratic life : essays on the FitzGeralds and Carton House | | Monograph or Collective Volume | University College Dublin Press | 2014 |
| Aspects of Irish genealogy : proceedings of the 1st Irish genealogical congress | | Monograph or Collective Volume | Genealogical Congress Committee | 1993 |
| Aspects of Irish genealogy II : being the proceedings of the second Irish Genealogical Congress | | Monograph or Collective Volume | Irish Genealogical Congress Committee | 1996 |
| Aspects of Rice family history | Feheney, J. M. | Article in Book | | 1994 |
| Aspects of the Irish Peasantry in Anglo-Irish Literature from 1800 to 1916 | Harmon, M. | Article in Journal | | 1975 |
| Asylums, mental health care and the Irish: historical studies, 1800-2010 | | Monograph or Collective Volume | Irish Academic Press | 2012 |
| Athletics, politics and society in Thurles and Moycarkey 1838-1876 | Tobin, J.M. | Article in Journal | | 2018 |
| Aubrey de Vere, Tennyson and Alice Meynell | Paraclita, M. | Article in Journal | | 1946 |
| Aubrey de Vere, Victorian observer | Reilly, M. Paraclita | Monograph or Collective Volume | Clonmore & Reynolds | 1956 |
| Augustine Henry, an Irishman who enriched the gardens of the world | Davies, K. M. (Kathleen Mary) | Article in Journal | | 1993 |
| Augustinians and Scotists : the Irish contribution to Counter-Reformation theology in continental Europe | Downey, Declan M. | Article in Book | | 2002 |
| Australia felix : Irish doctors in nineteenth-century Victoria | Geary, Laurence M. | Article in Book | | 1992 |
| Balancing the books : the papal penitentiary, a tender conscience and the rectory of Clonfeacle | Haren, M. J. | Article in Journal | | 1989 |
| Ballaí na Gaillimhe san 18ú céad | Cullen, L. M. (Louis Michael) | Article in Journal | | 1975 |
| Ballina / Boher parish : our history and traditions | Griffin, Kevin A.Griffin, Kevin M. | Monograph or Collective Volume | Ballina Killaloe Print | 2000 |
| Ballycarbery castle | M., S. | Article in Journal | | 1997 |
| Ballygeraghty and Castlecoote | Connellan, M. J. | Article in Journal | | 1962 |
| Ballylarkin and the Shortall family | Phelan, Margaret M. | Article in Journal | | 1965 |
| Ballylin, Malin, Co. Donegal | Colhoun, M. R. | Article in Journal | | 1946 |
| Ballymulconry and the Mulconrys | Connellan, M. J. | Article in Journal | | 1958 |
| Ballynoe - a five thousand year old New Town | Van Giffen, AlbertWilson, Anthony M. | Article in Journal | | 2000 |
| Ballysteen : the people and the place | Feheney, John P. M. | Monograph or Collective Volume | Iverus Publications | 1998 |
| Baltimore | Masterson, M. J. | Article in Journal | | 1942 |
| Banagher church, County Derry | Waterman, D. M. | Article in Journal | | 1976 |
| Bankers, Bureaucrats, Booms and Bust | Cullen, L. M. (Louis Michael) | Article in Journal | | 2012 |
| Baptism in the early British and Irish churches | Pepperdene, M. W. | Article in Journal | | 1955 |
| Baptizing the fairies : the Christian conversion typescene as a rite de passage | Wiley, Dan M. | Article in Journal | | 1995 |
| Barnabe Googe, provost-marshal of Connaught, 1582-5 | O'Sullivan, M. D. (Mary Donovan) | Article in Journal | | 1938 |
| Barnaby Rich; a short biography | Bruce, D. H.Cranfill, T. M. | Monograph or Collective Volume | | 1953 |
| Barons of labour : the San Francisco building trades and union power in the progressive era | Kazin, M. | Monograph or Collective Volume | University of Illinois Press | 1986 |
| Barrington Raymond White : a bibliography of printed works | Copson, Stephen M. | Article in Book | | 1999 |
| Bayle, Berkeley, and Hume | Bracken, Harry M. | Article in Journal | | 1977 |
| Beamish : a genealogical study of a family in County Cork and elsewhere | Beamish, C. T. M. | Monograph or Collective Volume | | 1950 |
| Beamish of Kilvurra and Halifax | Punch, Terence M. | Article in Journal | | 1979 |
| Bechbretha, an old Irish law-tract on bee-keeping | NA | Monograph or Collective Volume | Dublin Institute for Advanced Studies | 1983 |
| Bede, the Irish and the Britons | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Journal | | 1983 |
| Before campaigns were 'modern' : Irish electioneering in times past | Farrell, David M. | Article in Book | | 2004 |
| Belfast and its charitable society : a story of urban social development | Strain, R. W. M. | Monograph or Collective Volume | [s.n.] | 1961 |
| Belfast and the American Civil War | Carroll, Francis M. | Article in Journal | | 2011 |
| Belfast and the American Civil War | Carroll, Francis M. | Article in Journal | | 2011 |
| Belfast Corporation tramways, 1905-54 | Maybin, J. M. | Monograph or Collective Volume | Light Rail Transit Association | 1981 |
| Belfast Naturalists' Field Club Survey of Antiquities. Megaliths and Raths | Evans, E. E.Gaffikin, M. (Miss) | Article in Journal | | 1935 |
| Belfast-built four masted ships | Bell, W. G. M. | Article in Journal | | 1983 |
| Belvedere House, Co. Westmeath | Davies, K. M. (Kathleen Mary) | Article in Journal | | 1992 |
| Benchmarking medieval economic development : England, Wales, Scotland, and Ireland, c.1290 | Campbell, B. M. S. | Article in Journal | | 2008 |
| Bere Island and Berehaven 1803-05 | Kerrigan, Paul M. | Article in Journal | | 1998 |
| Berkeley | Bracken, H. M. (Harry McFarland) | Monograph or Collective Volume | | 1974 |
| Berkeley and the Rankenian club | Stewart, M. A. | Article in Journal | | 1985 |
| Berkeley's philosophy of mathematics | Jesseph, Douglas M. | Monograph or Collective Volume | Chicago University Press | 1993 |
| Berkeley, défenseur de sens commun et théoricien de la connaissance d'autrui | Chastaing, M. | Article in Journal | | 1954 |
| Bernard Cavanagh, the man who lived on the word of God | Kavanagh, James M. | Article in Journal | | 2004 |
| Bernard Shaw : a life | Gibbs, A. M. | Monograph or Collective Volume | University Press of Florida | 2005 |
| Bernard Shaw's other island | Gibbs, A. M. | Article in Book | | 1983 |
| Beschrijving der Britsche Eilanden : een geillustreerd geschrift uit zijn engelsche ballingschap | Chotzen, T. M.De Heere, LucasDraak, A. M. E. | Monograph or Collective Volume | De Sikkel | 1937 |
| Between Scylla and Charybdis : the Knights of Glin and their Habsburg and Stuart associations, 1600-1700 | Downey, Declan M. | Article in Book | | 2009 |
| Beyond the American pale : the Irish in the West, 1845-1910 | Emmons, David M. | Monograph or Collective Volume | University of Oklahoma Press | 2010 |
| Beyond the Pale : Frederick Douglas in Cork | Jenkins, Lee M. | Article in Journal | | 1999 |
| Beyond the Pale : green and black in Cork | Jenkins, Lee M. | Article in Book | | 2009 |
| Bianconi, king of the Irish roads | O'Connell, M. A.Watson, S. J. | Monograph or Collective Volume | [s.n.] | 1962 |
| Biblical narrative and local imagery on the Kilnaruane cross-shaft, Co. Cork | Wooding, Jonathan M. | Article in Book | | 2001 |
| Bibliography of British history, 1789-1851 | | Monograph or Collective Volume | | 1977 |
| Bibliography of British history, Stuart period, 1603-1714 | | Monograph or Collective Volume | Clarendon Press | 1970 |
| Bibliography of F. R. Higgins | McManus, M. J. | Article in Journal | | 1946 |
| Bibliography of periodical literature relating to the archaeology of Ulster, 1941 and 1942 | Mogey, J. M. | Article in Journal | | 1943 |
| Bibliography of periodical literature relating to the archaeology of Ulster, 1943-5 | Green, E. R. R.Mogey, J. M. | Article in Journal | | 1946 |
| Bibliography of periodical literature relating to the archaeology of Ulster, 1948-50 | Jope, E. M. | Article in Journal | | 1950 |
| Bibliography of the registers (printed) of the universities, inns of court, colleges and schools of Great Britain and Ireland | Johnston, M.Raven-Hart, H. E. | Article in Journal | | 1932 |
| Bibliography of the writings of John Mitchel | MacManus, M. J. | Article in Journal | | 1941 |
| Bibliography of the writings of Professor K. H. Connell | Daly, M. | Article in Book | | 1982 |
| Bibliography of Theobald Wolfe Tone | MacManus, M. J. | Article in Journal | | 1940 |
| Bibliography relating to the archaeology of Ulster, 1946-47 | Sidebotham, J. M. | Article in Journal | | 1948 |
| Big changes in a small place : health care in Sierra Leone | Hally, Catherine M. | Article in Book | | 2015 |
| Biographical notes to the documents | Hogan, E. M. | Article in Book | | 2001 |
| Biographical. Ernst Julius Opik, Dr Phil. Nat., D.Sc. (Hon.), M.R.I.A., M. New York A.Sc. | Lindsay, E. M. | Article in Journal | | 1972 |
| Bishop Berkeley : his life, writings and philosophy. With an introduction by W.B. Yeats | Hone, Joseph Maunsell, 1882-1959Rossi, M. M. | Monograph or Collective Volume | | 1931 |
| Bishop Burnet's history of his own time. 6 vols. | Burnet, Gilbert, bishop, 1643-1715 | Monograph or Collective Volume | | 1833 |
| Bishop Charles Graves | Ireland, Aideen M. | Article in Journal | | 1985 |
| Bishop James Moynagh of Calabar | Cooke, Colman M. | Monograph or Collective Volume | Columba Press | 2014 |
| Bishop Moran : Irish politics and Catholicism in New Zealand | Laracy, Hugh M. | Article in Journal | | 1970 |
| Black Ireland's Race : Thomas Carlyle and the Young Ireland Movement | Dugger, Julie M. | Article in Journal | | 2006 |
| Black powder, white lace : the du Pont Irish and cultural identity in nineteenth-century America | Mulrooney, Margaret M. | Monograph or Collective Volume | University Press of New England | 2002 |
| Blackmouth & dissenter | Barkley, John M. | Monograph or Collective Volume | White Row Press | 1991 |
| Blackrock in the context of Dublin bay and coast | Cullen, L. M. (Louis Michael) | Article in Journal | | 2008 |
| Blessed Thaddeus MacCarthy and diocese of Ross | Kiely, M. A. | Article in Journal | | 1936 |
| Bloody Belfast : an oral history of the British Army's war against the IRA | Wharton, Ken M. | Monograph or Collective Volume | Spellmount | 2010 |
| Bloody women : Ireland's female killers | Kiely, David M. | Monograph or Collective Volume | Gill & Macmillan | 1999 |
| Blowing the bubble : the global funding of the Irish credit boom | Everett, Mary M. | Article in Journal | | 2015 |
| Boat and ship timbers from 10th- to 13th-century Dublin : recording and interpretation | McGrail, Seán | Article in Book | NA | 1992 |
| Bob of the Reeks cave | Walsh, Brendan M. | Article in Journal | | 2004 |
| Book borrowing facilities in nineteenth-century Armagh; with specific reference to the proprietors and book collections of commercial circulating libraries | Emerson, Pamela M. | Article in Journal | | 2015 |
| Booterstown nature preserve | Bryan, M. | Article in Journal | | 2000 |
| Bosses, machines and urban voters | Allswang, John M. | Monograph or Collective Volume | Kennikat Press | 1977 |
| Boundaries in Irish law | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 1976 |
| Boundaries in Irish law | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 1976 |
| Boycotting the politics factory : labor radicalism and the New York City Mayoral election of 1886 | Scobey, David M. | Article in Journal | | 1984 |
| Bradley, the tailor | Risk, M. H. | Article in Journal | | 1969 |
| Bray | Davies, K. M. (Kathleen Mary) | Monograph or Collective Volume | Royal Irish Academy | 1998 |
| Bray | Davies, K. M. (Kathleen Mary) | Article in Book | | 1994 |
| Bray's Turkish Baths | Davies, K. M. (Kathleen Mary) | Article in Journal | | 2007 |
| British and Irish migration and integration in Ferrol : a survey of British and Spanish documentary sources | Amenedo-Costa, M. | Article in Journal | | 2013 |
| British and Irish sport : the garrison game and the G.A.A. in Scotland | Bradley, Joseph M. | Article in Journal | | 1999 |
| British biographical archive | Baillie, M. G. L.Sieveking, P. | Monograph or Collective Volume | [s.n.] | 1984 |
| British colonialism, Ireland and the ‘old firm’ : postcolonial identities and contemporary Scottish football and society | Bradley, Joseph M. | Article in Journal | | 2022 |
| British emigration policy, 1815-1830 | Johnson, H. M. | Monograph or Collective Volume | [s.n.] | 1972 |
| British emigration policy, 1815-30 : 'shovelling out paupers' | Johnston, Hugh J. M., 1939- | Monograph or Collective Volume | | 1972 |
| British Liberals and the Irish land : the late Victorian transformation | Lyons, M. J. | Article in Journal | | 1983 |
| British political theatre in Ireland: Winston Churchill and Belfast, 1912 | Rast, M.C. | Article in Journal | | 2020 |
| British radical culture of the 1790s | | Monograph or Collective Volume | Huntington Library | 2002 |
| British subjects and Irish citizens : the passport controversy, 1923-24 | MacMillan, Gretchen M. | Article in Journal | | 1991 |
| British Trials of Irish Nationalist Defendants : The Quality of Justice Strained | Lutz, Brenda J.Lutz, James M.Ulmschneider, Georgia Wralstad | Article in Journal | | 2002 |
| British trials of Irish Nationalist defendants : the quality of justice strained | Lutz, Brenda J. ; Lutz, James M. ; Wralstad Ulmschneider, Georgia | Article in Journal | | 2002 |
| Britons in Ireland, c.550-800 | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 1999 |
| Bronze-age Ireland | O'Kelly, M. J. (Michael Joseph) | Article in Book | | 2005 |
| Brother Jerome Fitzpatrick | Coldrey, Barry M. | Article in Journal | | 1988 |
| Brother Paul Townsend : exemplar of the Presentation tradition | Feheney, J. M. | Article in Book | | 1996 |
| Brough's campaign (1597) and the ambush at Tyrrellspass : a correction | Ó Báille, M. | Article in Journal | | 1951 |
| Buhé sant Kolmkel. Lakeit é Brohoneg na Meneh Breih Goh | Héneu, I. M. | Monograph or Collective Volume | Oriant Molladennu 'Dihunamb' | 1939 |
| Builders in stone | Yates, M. J. | Article in Journal | | 1986 |
| Building materials industry of Limerick | Browne, M. | Article in Book | | 2003 |
| Building on belief : the use of sacred geometry and number theory in the Book of Kells, f.33r | Hitchens, M. M. | Article in Journal | | 1996 |
| Building the new parish church | Cullen, L. M. (Louis Michael) | Article in Book | | 2001 |
| Bulla of Boniface VIII from Co. Limerick churchyard | Moloney, M. | Article in Journal | | 1940 |
| Bullets, bombs and cups of tea : further voices of the British Army in Northern Ireland, 1969-1998 | Wharton, Ken M. | Monograph or Collective Volume | Helion & Co. | 2009 |
| Bunratty Folk Park and its potential as an education centre | Noonan, J. A.Roberts, M. J. | Article in Journal | | 1978 |
| Burke's Irish family records | | Monograph or Collective Volume | | 1976 |
| Burke's Irish views and writings | Cullen, L. M. (Louis Michael) | Article in Book | | 1997 |
| Burke, Ireland and revolution | Cullen, L. M. (Louis Michael) | Article in Journal | | 1992 |
| Burncourt Castle excavations | Cleary, Rose M.McCarthy, MargaretMcClatchie, MerielMcCutcheon, Clare | Article in Journal | | 2008 |
| Burning of the Dublin custom house : a graphic account of an historic exploit | O'Kelly, M. J. (Michael Joseph) | Article in Journal | | 1942 |
| Butler tombs and furnishings in St. Canices Cathedral, Kilkenny | Phelan, Margaret M. | Article in Journal | | 1982 |
| By poetic authority : the rhetoric of panegyric in Gaelic poetry of Scotland to c. 1700 | Coira, M. Pía | Monograph or Collective Volume | Dunedín Academic Press | 2012 |
| By strange paths : an autobiography of a Benedictine of Kylemore Abbey | Lee, Elizabeth M. Magdalen, Dame | Monograph or Collective Volume | Kylemore Abbey Publications | 2002 |
| Cadaver effigial monuments in Ireland | Roe, Helen M. | Article in Journal | | 1969 |
| Cahir | McCraith, L. M. | Article in Book | | 1993 |
| Cáil an Phiarsaigh i ndiaidh a bháis: beathaisnéisí agus breithiúnais | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | NA | 2016 |
| Cáin Lánamna : 'the law of couples' | Eska, Charlene M. | Article in Book | | 2019 |
| Cáin lánamna : an Old Irish tract on marriage and divorce law | Eska, Charlene M. | Monograph or Collective Volume | Brill | 2010 |
| Caldwell estate | Ireland, Aideen M. | Article in Journal | | 1989 |
| Calendar of the ancient records of Dublin in the possession of the municipal corporation. [19 vols.] | Gilbert, J. T. (John Thomas), Sir, 1829-1898 ; Gilbert, R. M. (Rosa Mulholland), Lady | Monograph or Collective Volume | By the Authority of the Municipal Council | |
| Calendar of the Gormanston register, [c. 1175-1397] | | Monograph or Collective Volume | | 1916 |
| Calendar of the manuscripts of the most hon. the marquis of Salisbury ... preserved at Hatfield House, Hertfordshire | | Monograph or Collective Volume | | 1883 |
| Calendar to Christ church deeds, 1174-1684 | | Article in Book | | 1892 |
| Calendars of stone | Stafford, Lawrence M. | Article in Journal | | 2003 |
| Callan doctors | Phelan, Margaret M. | Article in Journal | | 1982 |
| Called to a mission of charity : the sisters of St. Joseph in the civil war | Wall, B. M. | Article in Journal | | 1998 |
| Canadian sources for Irish genealogy | Elliott, Bruce | Article in Book | | 1993 |
| Canon Keller of Youghal | Larkin, Felix M. | Article in Book | | 2013 |
| Canonical faculties on the Irish mission in the reign of Queen Elizabeth, 1558-1603 | Jones, F. M. | Article in Journal | | 1953 |
| Caoineadh Airt Uí Laoghaire. The contemporary political context | Cullen, L. M. (Louis Michael) | Article in Journal | | 1993 |
| Capital Punishment in Independent Ireland: A Social, Legal and Political History | Doyle, David M.O'Callaghan, Liam | Monograph or Collective Volume | Liverpool University Press | 2019 |
| Capital Punishment in Ireland | Black, Lynsey ; Doyle, David M. | Article in Book | | |
| Capital Punishment in Ireland | Black, Lynsey ; Doyle, David M. | Article in Book | Edward Elgar | 2024 |
| Cappoquin & the 1849 movement | Breen, Anthony M. | Article in Journal | | 1999 |
| Captain George O'Malley 1786-c.1865: his manuscript narrative and smuggling career | Cullen, L. M. (Louis Michael) | Article in Journal | | 2015 |
| Captain George O'Malley, his narrative and the O'Malley Clan: fresh thoughts | Cullen, L. M. (Louis Michael) | Article in Journal | | 2024 |
| Captain Hon. William Leslie (1751-77) : his life, letters and commemoration | Gilchrist, Marianne M.Leslie, William, 1751-1777 | Article in Book | | 2005 |
| Captain James Sheils | Higgins, M. A. | Article in Journal | | 2007 |
| Captain John O'Brien of Machias, Maine - revolutionary hero - a biographical sketch | Sherman, Andrew M. | Article in Journal | | 1910 |
| Cardinal Cullen : biographical materials | Curran, M. J. | Article in Journal | | 1955 |
| Care to remember : nursing and midwifery in Ireland | Fealy, Gerard M. | Monograph or Collective Volume | Mercier Press | 2005 |
| Cargoes in trade along the western seaboard | Wooding, Jonathan M. | Article in Book | | 1996 |
| Caribbean slave owners & other lesser-known histories from County Mayo | O'Connor, Michael M. | Monograph or Collective Volume | Michael M. O'Connor | 2021 |
| Caring for the nation : a history of the Mater Misericordiae University Hospital | Nolan, M. Eugene, Sister | Monograph or Collective Volume | Gill & Macmillan | 2013 |
| Carl Culmann's visit, 1848-9 | Steinhaus, M. | Article in Journal | | 1973 |
| Carlow's old inns, churches, gaol, and castle | Douglas, M. C. | Article in Journal | | 1951 |
| Carndonagh | Harkin, M.McCarroll, Sheila | Monograph or Collective Volume | The authors | 1984 |
| Carragher of Skerriff, county Armagh | Carragher, M. H. R.. | Article in Journal | | 1987 |
| Carraher and Crowley family : Liverpool and Ireland from 1776 | Whitby, M. | Article in Journal | | 1984 |
| Carton House : an illustrated history | Dooley, Terence A. M.Mallaghan, Conor | Monograph or Collective Volume | Costor Associates | 2006 |
| Casement and British intelligence | Andrew, Christopher M. | Article in Book | | 2005 |
| Castle Hyde : the changing fortunes of an Irish country house | Dooley, Terence A.M. | Monograph or Collective Volume | Four Courts | 2017 |
| Castle Hyde and the Great Famine, 1845-51 | Dooley, Terence A. M. | Article in Journal | | 2009 |
| Castle Inch, Co. Cork | Fahy, E. M. | Article in Journal | | 1957 |
| Castleraw, near Loughgall, Co. Armagh | Jope, E. M. | Article in Journal | | 1954 |
| Castlereagh and the making of the Union | Geoghegan, Patrick M. | Article in Book | | 2001 |
| Castles and fortification of county Offaly c.1500-1815 | Kerrigan, Paul M. | Article in Book | | 1998 |
| Castles and fortifications in Ireland 1485-1945 | Kerrigan, Paul M. | Monograph or Collective Volume | Collins | 1995 |
| Catalogue of engraved portraits, mainly in the Joly collection, and of original drawings | Elmes, R. M.National Library of Ireland | Monograph or Collective Volume | The Stationery Office | 1938 |
| Catalogue of Irish topographical prints and original drawings | Elmes, R. M. | Monograph or Collective Volume | The Stationery Office | 1943 |
| Catalogue of objects [by M.L. Simpson with contributions from all authors] | Simpson, M. Lesley | Article in Journal | | 2009 |
| Catholic emancipation : documents | Doherty, Gillian M.,O'Riordan, Tomás | Article in Book | | 2011 |
| Catholic Fiction: Catholics in Fiction | Murphy, James H. | Article in Book | Oxford University Press | 2003 |
| Catholic intellectual life in America : a historical study of persons and movements | Reher, M. M. | Monograph or Collective Volume | Macmillan | 1989 |
| Catholic missionaries and Liberia : a study of Christian enterprise in west Africa, 1842-1949 | Hogan, Edmund M. | Monograph or Collective Volume | Cork University Press | 1981 |
| Catholic Responses to Violence in Northern Ireland | Scull, Margaret M. | Article in Book | Oxford University Press | 2024 |
| Catholic Revivals in Britain and Ireland | Mangion, Carmen M. | Article in Book | Oxford University Press | 2023 |
| Catholic schools and 'the system of national education' | Brenan, M. | Article in Journal | | 1947 |
| Catholic sisterhoods and the immigrant church | Mageean, D. M. | Article in Book | | 1992 |
| Catholic social classes under the penal laws | Cullen, L. M. (Louis Michael) | Article in Book | | 1990 |
| Catholics and the upper middle class : a comment on roof | Greeley, Andrew M. | Article in Journal | | 1981 |
| Catholics and Trinity : a historical view | O'Connell, M. | Article in Journal | | 1966 |
| Catholics in the old South | Miller, Randall M. | Monograph or Collective Volume | [s.n.] | 1983 |
| Catholics under the penal laws | Cullen, L. M. (Louis Michael) | Article in Journal | | 1986 |
| Catholics, Politics, and the State in Britain | McClelland, V. Alan | Article in Book | Oxford University Press | 2003 |
| Celtic art : expressiveness and communication through 2500 years (Sir John Rhys Memorial Lecture) | Jope, E. M. | Article in Journal | | 1987 |
| Celtic art : from its beginnings to the Book of Kells | Megaw, J. V. S.Megaw, M. Ruth | Monograph or Collective Volume | Thames & Hudson | 2001 |
| Celtic connections past and present : Celtic ethnicity ancient and modern | Megaw, J. V. S.Megaw, M. Ruth | Article in Book | | 1999 |
| Celtic Football Club and the Irish in Scotland | Bradley, Joseph M. | Article in Book | | 2004 |
| Celtic Football Club, Irish ethnicity, and Scottish society | Bradley, Joseph M. | Article in Journal | | 2008 |
| Celtic glimpses | Watt, L. M. | Article in Journal | | 1962 |
| Celtic heritage in the North-west of the Iberian Peninsula | Alberro, M. | Article in Journal | | 2002 |
| Celtic kings : "priestly vegetables"? | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 2009 |
| Celtic minded 2 : essays on Celtic, football culture and idenity [sic] | | Monograph or Collective Volume | Argyll Publishing | 2006 |
| Celtic minded : essays on religion, politics, society, identity, .... football | | Monograph or Collective Volume | Argyll | 2004 |
| Celts, Catholics and copperheads : Ireland views the American Civil War | Hernon, Joseph M. | Monograph or Collective Volume | Ohio State University Press | 1968 |
| Cemetery of the Holy Cross, Flatbush, Brooklyn, New York | Silinonte, Joseph M. | Article in Journal | | 1993 |
| Cenel Fiachach m. Neíll | | Article in Journal | | 1938 |
| Centenary of the Chair of Education in Trinity College Dublin, 1905-2005 | Parkes, Susan M. | Article in Book | | 2010 |
| Chain migration from Ireland to Australia: a case study from the slopes and foothills of the Galtees | O'Brien, Eileen M. | Article in Journal | | 2019 |
| Challenge and conflict : essays in Irish Presbyterian history and doctrine | Haire, J. L. M. | Monograph or Collective Volume | [s.n.] | 1981 |
| Change and continuity in the Irish urban system 1966-81 | Huff, David L.Lulz, James M. | Article in Journal | | 1995 |
| Charles Bianconi, a biography, 1786-1875 | O'Connell, M. A. | Monograph or Collective Volume | | 1878 |
| Charles Eyne (1817-1902) | Lawlor, J. M. | Article in Journal | | 1984 |
| Charles Fort, Kinsale | Kerrigan, Paul M. | Article in Journal | | 1979 |
| Charles Fort, Kinsale | Semple, J. M. | Article in Journal | | 1937 |
| Charles Francis Murphy : the enduring boss | Allswang, John M. | Article in Book | | 1977 |
| Charles Gavan Duffy, the Great Famine in Ireland, and famine memory in colonial Australia | Geary, Laurence M. | Article in Journal | | 2008 |
| Charles Lynegar, professor of the Irish language, 1712 | Risk, M. H. | Article in Journal | | 1966 |
| Charles O'Brien's agricultural survey of Kerry in 1800 | De Brún, PádraigMoyles, M. G. | Article in Journal | | 1969 |
| Charles Stewart Parnell before congress | Post, Robert M. | Article in Journal | | 1965 |
| Charles Thomson : the Irish-born secretary of the Continental Congress, 1774-1789 | White, Cyril M. | Article in Journal | | 1979 |
| Chemistry | Philbin, Eva M. | Article in Book | | 1985 |
| Cherrymount crannog, Fermanagh | Chapple, Robert M. | Article in Journal | | 2012 |
| Chief and tribune : Parnell and Davitt | O'Hara, M. M. | Monograph or Collective Volume | | 1919 |
| Childhood pastimes [1940s & 1950s] | Gilmore, M. | Article in Journal | | 2004 |
| Children's burial grounds (cillíní) in Ireland | Donnelly, Colm J.Murphy, Mary M. | Article in Book | | 2016 |
| Children's smallpox and inoculation procedures in eighteenth-century Ireland | Ashford, Gabrielle M. | Article in Book | | 2013 |
| Children, childhood and Irish society, 1500 to the present | | Monograph or Collective Volume | Four Courts Press | 2014 |
| Children’s burial grounds in Ireland (Cilliní) and parental emotions toward infant death | Murphy, Eileen M. | Article in Journal | | 2011 |
| Choiseul's Irish circle and the Irish community: the final decades of the Ancien Regime | Cullen, L. M. (Louis Michael) | Article in Journal | | 2009 |
| Cholera and famine in south county Dublin | Ireland, Aideen M. | Article in Journal | | 1983 |
| Christmas in old Dublin | Smithson, Annie M. P. | Article in Journal | | 1944 |
| Chronicon, A.D. 1377-1421 | | Monograph or Collective Volume | Royal Society of Literature | 1904 |
| Chronicum Scotorum. A chronicle of Irish affairs from the earliest times to A.D. 1135; with a supplement containing the events of 1141 to 1150 | | Monograph or Collective Volume | | 1866 |
| Chronicum Scotorum. A chronicle of Irish affairs, from the earliest times to AD 1135; with a supplement, containing the events from 1141 to 1150 | | Monograph or Collective Volume | | 1866 |
| Church and state in 21st century Britain : the future of church establishment | | Monograph or Collective Volume | Palgrave Macmillan | 2009 |
| Church and State, and Nationalism in Ireland | Rafferty, Oliver P. | Article in Book | Oxford University Press | 2003 |
| Church Island, near Valencia, county Kerry | O'Kelly, M. J. (Michael Joseph) | Article in Journal | | 1958 |
| Churches of Galway, Kilmacduagh and Kilfenora | May, Thomas M. | Monograph or Collective Volume | The author | 2000 |
| Cien años de acción católica en la Argentina (1831-1931) | Ussher, Santiago M. | Monograph or Collective Volume | [s.n.] | 1957 |
| Cineál Fhéichín - its identity, location, and extent | Connellan, M. J. | Article in Journal | | 1943 |
| Cities and Merchants : French and Irish perspectives on urban development | | Monograph or Collective Volume | Trinity College Dublin Department of Modern Irish History | 1986 |
| Citizenship, entitlement and autochthonic political projects of belonging in the age of Brexit | Vietan, Ulrike M.Yuval-Davis, Nira | Article in Book | | 2018 |
| Civilizing a nation : reflections on elementary education in nineteenth-century Ireland | Boylan, Ciara M.Boylan, Thomas A. | Article in Book | | 2015 |
| Clancarthy correspondence, 1785-1861 | | Article in Journal | | 1994 |
| Clann Ceithearnaigh, its whereabouts and extent | Connellan, M. J. | Article in Journal | | 1948 |
| Clashacro | Phelan, Margaret M. | Article in Journal | | 1971 |
| Class, gender and religion : the Catholic church and the Irish poor in Victorian Liverpool | Kanya-Forstner, M. | Article in Book | | 1995 |
| Clement Smyth, Osco : Trappist monk and frontier prelate | Coogan, M. Jane | Article in Journal | | 1989 |
| Clement VIII and the counter-reformation in Ireland, 1592-1605 | Jones, Frederick M., Rev. | Thesis | | 1957 |
| Cliffe Leslie, Irish social reform and the origin of the English Historical School of Economics | Koot, G. M. | Article in Journal | | 1975 |
| Climate, disease and society in late-medieval Ireland | Campbell, Bruce M. S.Ludlow, Francis | Article in Journal | | 2020 |
| Climate, disease and society in late-medieval Ireland | Campbell, Bruce M.S.Ludlow, Francis | Article in Book | | 2021 |
| Clonkyne Leix | Comerford, M., P.P. | Article in Journal | | 1883 |
| Clonoulty to South Australia 1857 | Fitzgerald, M. J. | Article in Journal | | 2015 |
| Clontarf | Tutty, M. J. | Article in Journal | | 1966 |
| Coin found in Newry | Barcroft, M. | Article in Journal | | 1942 |
| Col. Sir Horace Seymour, K.C.H., M.P., 1791-1851 | Annand, A. M. | Article in Journal | | 1969 |
| Collecting oral history : a guide for teachers and amateur historians | Ballard, S. M.Buckley, Anthony D.Harkness, C. | Monograph or Collective Volume | Ulster Folk and Transport Museum | 1985 |
| Collective identity and memory in Melbourne's St Patrick's Day celebrations, 1900-1939 | Williams, Caroline M. | Article in Book | | 2000 |
| Collectors of Irish music and poetry | Masterson, M. J. | Article in Journal | | 1937 |
| Collon, Co. Louth : the landscape legacy of an eighteenth-century estate | Carey, MichaelCollins, JimCullen, L. M. (Louis Michael)Gleeson, TimLeavy, TonyMurphy, EileenStout, Matthew | Article in Book | | 2015 |
| Colonel Dennis O'Kane, American Civil War 1861-65 | Higgins, M.A. | Article in Journal | | 2005 |
| Colonel Philip Vigors | Ireland, Aideen M. | Article in Journal | | 1985 |
| Colonel William Gregory Wood-Martin, antiquary, 1847-1917 | Ireland, Aideen M. | Article in Journal | | 2001 |
| Columba and other Irish saints in Scotland | Anderson, M. O. | Article in Book | | 1965 |
| Commemoration, public history and the professional historian : an Irish perspective | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Journal | | 2014 |
| Comment on David Brundage's Irish-American radicalism and the labor movement of Denver, 1880-1900 | Miller, Sally M. | Article in Journal | | 1981 |
| Comparative aspects of Irish diet, 1550-1850 | Cullen, L. M. (Louis Michael) | Article in Book | | 1992 |
| Comparative aspects of Scottish and Irish economic and social history, 1600-1900 | | Monograph or Collective Volume | Donald | 1977 |
| Conall of Tír Chonaill | Dobbs, M. E. (Margaret E.), 1871-1962Mac Airt, Seán | Article in Journal | | 1957 |
| Concerning the emancipation of the slaves : a proposal by Major-General Patrick Cleburne, CSA | Hull, Mark M. | Article in Journal | | 1996 |
| Conclusion | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 2003 |
| Conclusions - ordinary lives : the medieval Gaelic people of Ballyhanna | Donnelly, Colm J.McKenzie, Catriona J.Murphy, Eileen M. | Article in Book | | 2015 |
| Confederate banners | Sparks, M. | Article in Journal | | 1951 |
| Confluences of law and history : Irish Legal History Society discourses and other papers, 2011-21 | NA | Monograph or Collective Volume | Four Courts Press | 2025 |
| Connacht triumphs : fifteen years of high endeavour and brilliant achievement in Gaelic football, 1931-1945 | Clune, M. A. | Monograph or Collective Volume | Abbey Press | 1946 |
| Connecticut in the Irish-American flaxseed trade, 1750-75 | Truxes, Thomas M. | Article in Journal | | 1977 |
| Conquest and colonisation | Collins, M. E. | Monograph or Collective Volume | Gill & Macmillan | 1969 |
| Conradh Amstardam | Dukes, Alan M. | Article in Journal | | 2000 |
| Consecration of Abp. Carpenter - 1770 June 3 | Curran, M. J. | Article in Journal | | 1955 |
| Constructing brotherhood : class, gender and fraternalism | Clawson, M. A. | Monograph or Collective Volume | Princeton University Press | 1989 |
| Contemporary research on terrorism | | Monograph or Collective Volume | University P. | 1987 |
| Contending neighbours : society in Fingal, 1603-60 | Ní Mhurchadha, Maighréad M. B. | Thesis | | 2002 |
| Contested consecrations and the pursuit of ecclesiastical independence in Scotland and Ireland in the early 1120s | O'Leary, Aideen M. | Article in Journal | | 2018 |
| Continuity and change within the Toronto convent academies of the Sisters of St Joseph and the Loretto Sisters, 1847-1950 | Smyth, Elizabeth M. (Elizabeth Marian) | Article in Book | | 2016 |
| Continuity of records in an Anglo-Irish family. Seagrave family, 1066-1935 | Bright, M. C. G. | Article in Journal | | 1937 |
| Continuity, legitmacy and strategy : the titular priors of Ireland - Romegas, González, Wyse and Brochero - and their relations with the Spanish monarchy, 1576-1625 | Downey, Declan M. | Article in Book | | 2015 |
| Convention of Drumceatt, 575: XIVth centenary 1975 | Barbour, Liam M.Boyd, Hugh AlexanderClarke, WallaceClayden, Stanley C.Moore, R. DenholmMorton, T. RalphRoemmele, Peter M.Seymour, A. N.Simms, George OttoWalsh, John R. | Monograph or Collective Volume | | 1975 |
| Conversion to Christianity | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 2003 |
| Coolfore, west Farney and the national school system, 1826-1968 | Fealy, Gerard M. | Monograph or Collective Volume | Eastwood Books | 2023 |
| Copy of the marquis of Kildare's household book, 1758 | Dooley, Terence A. M. | Article in Journal | | 2009 |
| Cork city excavations 1984-2000 | | Monograph or Collective Volume | Cork City Council | 2003 |
| Cork grand jury, 1838-1900 | Nolan, David M. | Thesis | | 1975 |
| Corpus genealogiarum Hiberniae, 1 | | Monograph or Collective Volume | Dublin Institute for Advanced Studies | 1962 |
| Correspondence | Williams, Mrs M.L. | Article in Journal | | 1994 |
| Correspondence of Charles Darwin on James Torbitt's project to breed blight-resistant potatoes | DeArce, M. | Article in Journal | | 2008 |
| Cosmopolitan Liverpool | Belchem, JohnMacRaild, Donald M. | Article in Book | | 2006 |
| Count Patrick D'Arcy, an eminent Galwayman of the 18th century | Redington, M. | Article in Journal | | 1918 |
| Country letters : some correspondence of Ulster poets of the nineteenth century | Walker, B. M. (Brian Mercer) | Article in Book | | 1996 |
| Country matters : Irish 'waggery' and the Irish and British theatrical traditions | Burke, Helen M. | Article in Book | | 2007 |
| County Fermanagh | McWilliams, Shirley M. | Article in Journal | | 1982 |
| County map of Louth | Wren, M. | Monograph or Collective Volume | # | 1766 |
| County Mayo. A history of imprisonment, capital punishment & transportation. Part 1. Anatomy of a County Gaol | O'Connor, Michael M. | Monograph or Collective Volume | Michael M. O'Connor | 2020 |
| County Mayo. A history of imprisonment, capital punishment & transportation. Part II. Castlebar prison & the Bridewells of County Mayo, 1835-1935 | O'Connor, Michael M. | Monograph or Collective Volume | Michael M. O'Connor | 2025 |
| County Monaghan, 1914-1918 : recruitment, the rise of Sinn Féin and the partition crisis | Dooley, Terence A. M. | Article in Journal | | 1998 |
| County Waterford workhouse records | Brady, Donal M. | Article in Journal | | 1984 |
| County Wicklow archaeological notes around Kiltegan | Drury, Charles M. | Article in Journal | | 1905 |
| Court of inquiry into the wrecking of the "Moresby" | Young, John M. | Article in Journal | | 1977 |
| Courting public opinion : handling informers in the 1790s | Wright, Julia M. | Article in Journal | | 1998 |
| Creating a great garden | Davies, K. M. (Kathleen Mary) | Article in Journal | | 2000 |
| Creating community : Mary Frances Clarke and her companions | Harrington, Ann M. | Monograph or Collective Volume | Mount Carmel Presss | 2004 |
| Críth Gablach and the law of status | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Journal | | 1986 |
| Croke Park | Duffy, PáraicÓ Tuathaigh, M.A. G. (Gearóid) | Article in Book | | 2015 |
| Cronica Walliae | Llwyd, Humphrey | Monograph or Collective Volume | Gwasg Prifysgol Cymru / University of Wales Press | 2016 |
| Cross-inscribed slab from Bilboa, Co. Limerick | Cleary, Rose M. | Article in Journal | | 1992 |
| Crossing migrant frontiers : comparative reflections on Irish migrants in Britain and the United States during the nineteenth century | MacRaild, Donald M. | Article in Book | | 2000 |
| Crossing migrant frontiers : comparative reflections on Irish migrants in Britain and the United States during the nineteenth century | MacRaild, Donald M. | Article in Journal | | 1999 |
| Cultural continuity and site use: excavations at Gortlaunaght, Swanlinbar, County Cavan | Chapple, R.M. | Article in Journal | | 2011 |
| Cultural visions and the new state : embedding and embalming | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 2003 |
| Culture and diplomacy. The Spanish Hapsburg dimension in the Irish Counter Reformation movement, c.1529-c.1629 | Downey, Declan M. | Thesis | | 1994 |
| Culture, conflict and labour migration : Victorian Cumbria's Ulster connection | MacRiald, Donald M. | Article in Journal | | 1996 |
| Culture, conflict and labour migration : Victorian Cumbria’s Ulster connection | MacRaild, Donald M. | Article in Journal | | 1996 |
| Culture, conflict, and migration : the Irish in Victorian Cumbria | MacRaild, Donald M. | Monograph or Collective Volume | Liverpool University Press | 1998 |
| Cumann Lúthchleas Gael agus Éirí Amach 1916 | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | NA | 2017 |
| Custom in early Irish law | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 1990 |
| Customs in early Irish law | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 1990 |
| Cycles of time and scientific learning in medieval Europe | Stevens, Wesley M. | Monograph or Collective Volume | Variorum | 1995 |
| Da ininteligibilidade do «intellectus» em Escoto Eriúgena | Costa Macedo, José M. | Article in Book | | 2006 |
| Dalkey, Co. Dublin | Kelly, M. R. L. | Monograph or Collective Volume | Arthur H. Stockwell | 1952 |
| Dalkey, Co. Dublin: Written by M.R.L. Kelly Diplome Arch. (Liverpool) | Kelly, M.R.L. | Monograph or Collective Volume | Arthur H. Stockwell Limited | 1952 |
| Dalriada and the creation of the kingdom of the Scots | Anderson, M. O. | Article in Book | | 1982 |
| Damning up hill and down dale : demythologizing Ireland | Mustafa, Shakir M. | Article in Journal | | 1997 |
| Dancing to history's tune : history, myth and politics in Ireland | Walker, B. M. (Brian Mercer) | Monograph or Collective Volume | Queen's University of Belfast, Institute of Irish Studies | 1996 |
| Dangerous lunacy : the misuse of mental health law in nineteenth-century Ireland | Prior, Pauline M. | Article in Journal | | 2003 |
| Daniel O'Connell and the Irish Act of Union, 1800-29 | Geoghegan, Patrick M. | Article in Book | | 2009 |
| Daniel O'Connell and the law | Geoghegan, Patrick M. | Article in Book | | 2013 |
| Daniel O’Leary and the sporting experiences of Irish immigrants in the United States | Hunt, Thomas M.Murtha, Ryan | Article in Journal | | 2021 |
| Daniel O’Leary and the sporting experiences of Irish immigrants in the United States | Murtha, Ryan ; Hunt, Thomas M. | Article in Journal | | 2020 |
| Dark ages and dendrochronology | Baillie, M. G. L. | Article in Journal | | 1993 |
| Das Verhältnis von Irland zu England zwischen 1800 und 1850 : Modellfall oder Abhängigkeit? Überlegungen zur "grossen Hungersnot" (1845-1849) | Schaffner, M. | Article in Journal | | 1983 |
| Dating Navan Fort | Baillie, M. G. L.Brown, D. M.Mallory, J. P. (James P.) | Article in Journal | | 1999 |
| Daughters of Ireland : the rebellious Kingsborough sisters and the making of a modern nation | Todd, Janet M., 1942- | Monograph or Collective Volume | Ballantine | 2003 |
| David composing the Psalms on Irish monumental sculpture | Thomas, Colleen M. | Article in Book | | 2017 |
| David Digues La Touche, banker, and a few of his descendants | Fraser, A. M. | Article in Journal | | 1943 |
| Dawson Street and the Dawson family | Campion, M. | Article in Journal | | 1962 |
| De annatis Hiberniae : a calendar of the first fruits' fees levied on papal appointments to benefices in Ireland, A.D. 1400 to 1535, extracted from the Vatican and other Roman archives... vol. 1 Ulster | | Monograph or Collective Volume | | 1909 |
| De Valera and Sovereignty : a note on the pedigree of a political idea | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 1983 |
| De Valera and the Americans : the early years, 1916-1923 | Carroll, F. M. | Article in Journal | | 1982 |
| Deadlier than the male : Ireland's female killers | Kiely, David M. | Monograph or Collective Volume | Gill & Macmillan | 2005 |
| Dean Richardson's further account of com. Cavan | Davies, OliverGaffikin, M.Paterson, T.G.F. | Article in Journal | | 2013 |
| Death education : knowledge, attitudes, and perspectives of Irish parents and teachers | Barry, Margaret M.McGovern, Marguerita | Article in Journal | | 2000 |
| Debating agrarian capitalism : a rejoinder to Albritton | Zmolek, M. | Article in Journal | | #|- |
| Decision-making and the formulation of regional development objectives : the case of rural Ireland | Poole, M. A. | Article in Book | | 1970 |
| Defence and the role of Erskine Childers in the treaty negotiations of 1921 | Hawkings, F. M. A. | Article in Journal | | 1981 |
| Defining Liberalism : the first Home Rule crisis in the Scottish capital | Thompson, M. K. | Article in Journal | | 2016 |
| Defining womanhood : Irish women and the Catholic church in Victorian Liverpool | Kanya-Forstner, M. | Article in Journal | | 1999 |
| Defining womanhood : Irish women and the Catholic church in Victorian Liverpool | Kanya-Forstner, M. | Article in Book | | 2000 |
| Degrees of excellence : the story of Queen's, Belfast, 1845-1995 | Buchanan, R. H. (Ronald Hull)McCreary, AlfWalker, B. M. (Brian Mercer) | Monograph or Collective Volume | Institute of Irish Studies | 1994 |
| Delinquency among Irish Catholic children in Victorian London | Feheney, John P. M. | Article in Journal | | 1983 |
| Dendrochronological analysis of oak wood samples | Brown, David M. | Article in Book | | 2000 |
| Dendrochronologically dated buildings from Ireland | Brown, David M. | Article in Journal | | 2002 |
| Der Katholizismus in Schottland 1560-2005 | Halloran, Brian M. | Article in Book | | 2005 |
| Der St Kilians-Kalendar des Striftes Neumünster | Brod, Walter M. | Article in Book | | 1952 |
| Derrymore House , Co. Armagh | Barcroft, M. | Article in Journal | | 1938 |
| Descendancy: Irish Protestant histories since 1795 [by] David Fitzpatrick. Cambridge University Press, [2015] | Regan, John M. | Article in Journal | | 2015 |
| Design sources for St Patrick's Cathedral, Dublin, and its relationship to Christ Church Cathedral | O'Neill, M. | Article in Journal | | 2000 |
| Determinants of Population Growth in Urban Centres in the Republic of Ireland | Lutz, J. M. | Article in Journal | | 2001 |
| Developments in the Irish legal system since 1945 | McMahon, Bryan, M. E. | Article in Book | | 1979 |
| Devotional and Sacramental Cultures | Ryan, Salvador | Article in Book | Oxford University Press | 2023 |
| Dictionary of Irish philosophers, A - Z | | Monograph or Collective Volume | Thoemmes Continuum | 2004 |
| Did (and does) the Irish border matter? | Walsh, Brendan M.Ó Gráda, Cormac, | Monograph or Collective Volume | Institute for British-Irish Studies. Geary Institute for the Social Sciences (University College Dublin)|Institute of Governance. Centre for International Borders Research (Queen's University Belfast) | 2006 |
| Die englische Kolonisation in Irland. 2 vols. | Bonn, M. J. (Moritz Julius), 1873-1965 | Monograph or Collective Volume | | 1906 |
| Die Ethnie verschwindet nicht. Die Iren in Großbritannien im 19. und frühen 20. Jahrhundert | MacRaild, Donald M. | Article in Book | | 2001 |
| Die Schatzfunde Gotlands der Wikingerzeit, 2 : Fundbeschreibung und Tafeln | Stenberger, M. K. H. | Monograph or Collective Volume | | 1947 |
| Die Weltanschauung Jonathan Swifts | Korn, M. A. | Monograph or Collective Volume | | 1935 |
| Die Wildgänse und der Doppeladler : Irische integration in Österreich von 1630 bis 1918 | Downey, Declan M. | Article in Book | | 2003 |
| Doctors in bygone days | Higgins, M.A. | Article in Journal | | 2006 |
| Does ethnicity matter? | Greeley, Andrew M.McCready, William C. | Article in Journal | | 1974 |
| Does the Armorican Forest hold the key to Saint Patrick's escape? | Keogh, Raymond M. | Article in Journal | | 1994 |
| Doing business in the wartime Caribbean: John Byrn, Irish merchant of Kingston, Jamaica (September - October 1756) | Truxes, Thomas M. | Article in Book | | 2023 |
| Dom. John Sweetman | Gray-Stack, C. M. | Article in Journal | | 1978 |
| Dominican chaplains of the Irish Brigade | Butler, Gregory M. | Article in Journal | | 1947 |
| Dominican chaplains of the Irish Brigade | Butler, Gregory M. | Article in Journal | | 1946 |
| Dominican education in Ireland 1820-1930 | Kealy, Máire M. | Thesis | | |
| Dominican education in Ireland, 1820-1930 | Kealy, Máire M. | Monograph or Collective Volume | Irish Academic Press | 2007 |
| Don Hugo O'Conor and New Spain's northeastern frontier, 1764-1776 | Vigness, David M. | Article in Journal | | 1967 |
| Donagh church, Co. Monaghan | Davies, OliverGaffikin, M.Paterson, T. G. F. | Article in Journal | | 1939 |
| Donagh O'Daly O.S.M. 1600-c. 1664 - a forgotten Irish figure of the Counter-Reformation in Austria and Bohemia | Mooney, C. M. | Article in Journal | | 1979 |
| Donegal castle | McNeill, T. E.Wilkin, M. A. | Article in Journal | | 1999 |
| Double helix : two elites in politics and journalism in Ireland, 1870-1918 | Larkin, Felix M. | Article in Book | | 2013 |
| Douglas Hyde and the development of modern Irish nationalism | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | NA | 1993 |
| Down in the war: County Down during the Second World War | Hogg, NoelSimpson, M. Lesley | Article in Journal | | 2004 |
| Down through the lens, Victorian photographs from the Down County Museum archive | Simpson, M. Lesley | Article in Journal | | 2001 |
| Dr Herman J. Heuser and Canon Sheehan | Gaffney, M. H. | Article in Journal | | 1939 |
| Dr Jekyll and Mr Hyde: 'the two histories' | Regan, John M., 1967- | Article in Journal | | 2012 |
| Dr John McLoughlin, pioneer of the north-west | Sullivan, A. M. | Article in Journal | | 1955 |
| Dr Patricia O Connell : an appreciation | Downey, Declan M. | Article in Book | | 2008 |
| Dr Peter Flood : president of Maynooth, 1798-1803 | Flood, J. M. | Article in Journal | | 1948 |
| Dr Peter Flood : president of Maynooth, 1798-1803 | Masterson, M. J. | Article in Journal | | 1943 |
| Dr Plunket, bishop of Meath, 1779-1827 | Flood, J. M. | Article in Journal | | 1949 |
| Dr Richard Thomas Tracy | Forster, Frank M. C. | Article in Journal | | 1988 |
| Dr Thomas Arthur, 1593-1674 | Malone, M. | Article in Book | | 1951 |
| Dr. Morgan David O'Connell : an Irish officer in the first Carlist war, 1836-1838 | Brett, E. M. | Article in Journal | | 1999 |
| Dr. Plunkett, bishop of Meath, 1779-1827 | Flood, J. M. | Article in Journal | | 1949 |
| Dromkeen ambush : an action of the Black-and-Tan period | McCarthy, J. M. | Article in Journal | | 1943 |
| Drumclay crannog, Co. Fermanagh : update | Chapple, Robert M.O'Dowd, JeanSeaver, Matthew | Article in Journal | | 2012 |
| Drumlohan : a survey of its antiquities | Kirwin, E.M. | Article in Journal | | 1980 |
| Drums and guns : revolution in Ulster | Wallace, M. | Monograph or Collective Volume | Chapman | 1970 |
| Dublin | Cullen, L. M. (Louis Michael) | Article in Book | | 2009 |
| Dublin 1190–1290: provincial capital or capital city? | Campbell, Bruce M.S. | Article in Book | | 2023 |
| Dublin and the first duke of Ormonde | Mansfield, B. M. | Article in Journal | | 1986 |
| Dublin outsiders : a history of the Mendicity Institution, 1818-1998 | Woods, Audrey M. | Monograph or Collective Volume | A. & A. Farmar | 1998 |
| Dublin University Football Club 1947-52 | Murphy, J. G. M. W. | Article in Book | | 2003 |
| Dublin University Magazine : its history, contents and bibliography | Sadleir, M. T. H. | Monograph or Collective Volume | Bibliographical Society | 1938 |
| Dublin's oldest charity | Tutty, M. J. | Article in Journal | | 1961 |
| Dublin, 1913 - strike and lockout : documents | Doherty, Gillian M.,O'Riordan, Tomás | Article in Book | | 2011 |
| Dungarvan- the pottery. Appendix B | Cleary, Rose M. | Article in Journal | | 1995 |
| Dutch-Irish cooperation in the mid-eighteenth-century wartime Atlantic | Truxes, Thomas M. | Article in Journal | | 2012 |
| Eagle Hill, Hacketstown - its environs and characters | Byrne, Patrick M. | Article in Journal | | 2013 |
| Éamon de Valera : a biography | MacManus, M. J. | Monograph or Collective Volume | Talbot Press | 1947 |
| Eamon de Valera and the forces of opposition in America, 1919-20 | Sullivan, Dennis M. | Article in Journal | | 1984 |
| Eamonn de Valera : a biography | MacManus, M. J.O'Neill, David | Monograph or Collective Volume | Talbot Press | 1963 |
| Early Belfast medicine | Strain, R. W. M. | Article in Journal | | 1971 |
| Early bus services in Ulster | Kennedy, M. L.McNeill, D. B. | Monograph or Collective Volume | Institute of Irish Studies QUB, In association with the Ulster Folk and Transport Museum | 1997 |
| Early Celtic art in Britain and Ireland | Megaw, J. V. S.Megaw, M. Ruth | Monograph or Collective Volume | Shire | 2005 |
| Early Celtic art in Britain and Ireland | Megaw, J. V. S.Megaw, M. Ruth | Monograph or Collective Volume | [s.n.] | 1986 |
| Early Christian cross slabs in Down County Museum | Simpson, M. Lesley | Article in Journal | | 2000 |
| Early Christian inhumations on Kiltullagh Hill, Co. Roscommon | Coombs, D.Maude, K.Robinson, M.E.Shimwell, D.W. | Article in Journal | | 2000 |
| Early Christian Ireland | Charles-Edwards, T. M. (Thomas Mowbray) | Monograph or Collective Volume | Cambridge University Press | 2000 |
| Early Christian rock art at Clehagh, Co. Donegal | Van Hoek, M. A. M. | Article in Journal | | 1993 |
| Early christian settlement and society : a multivariate statistical model for the Loop Head Peninsula, Co. Clare | Chapple, Robert M. | Article in Journal | | 2005 |
| Early days in Umbogintwini [as told to Rev. Fr C. Byrne O.M.I....1961] | Byrne, C., O.M.I.Hughes, Ned | Article in Journal | | 2010 |
| Early enclosure in the Charleville district | McCarthy, M. | Article in Journal | | 1991 |
| Early history of the Gaelic Athletic Association, 1884-91 | Doherty, Gillian M. | Article in Book | | 2011 |
| Early history of the Gaelic Athletic Association, 1884-91 : documents | Doherty, Gillian M.,O'Riordan, Tomás | Article in Book | | 2011 |
| Early Ireland : an introduction to Irish prehistory | O'Kelly, M. J. (Michael Joseph) | Monograph or Collective Volume | [s.n.] | 1989 |
| Early Irish and Welsh kinship | Charles-Edwards, T. M. (Thomas Mowbray) | Monograph or Collective Volume | Oxford University Press | 1993 |
| Early Irish families in Virginia | O'Brien, M. J. | Article in Journal | | 1916 |
| Early Irish law | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 2005 |
| Early Irish Saints, cults and their constituencies | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Journal | | 2004 |
| Early Irish settlers at Worcester, Mass. | O'Brien, M. J.Towne, W. H. | Article in Journal | | 1919 |
| Early Irish trade : 'Cnóe gnáe' 'Beautiful nuts' revisited | Eska, Charlene M. | Article in Journal | | 2019 |
| Early medieval kingships in the British Isles | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 1989 |
| Early Quakerism in Ireland | Douglas, J. M. | Article in Journal | | 1956 |
| Early settlement in the Skibbereen area | Fahy, E.M. | Article in Journal | | 2015 |
| Early settlement in the Skibbereen area | Fahy, E. M. | Article in Journal | | 1969 |
| Eason and Son : a history | Cullen, L. M. (Louis Michael) | Monograph or Collective Volume | Eason | 1989 |
| Eastern Ulster origins in the Fermanagh genealogies: O'Monaghan, the Manaig, and St Ronan; Magarraghan, Lisgoole, and St Aed | Schlegel, Donald M. | Article in Journal | | 2010 |
| Economic development, 1691-1750; 1750-1800 | Cullen, L. M. (Louis Michael) | Article in Book | | 1986 |
| Economic growth and development, 1945-70 | Walsh, Brendan M. | Article in Book | | 1979 |
| Economic growth in Scotland and Ireland | Cullen, L. M. (Louis Michael)Smout, Thomas Christopher | Article in Book | | 1977 |
| Economic history: growth and crises | Cullen, L. M. (Louis Michael) | Article in Journal | | 2016 |
| Economic progress in the canal age : a case study from counties Armagh and Down | Campbell, B. M. S. | Article in Book | | 2003 |
| Economic trends, 1660-91 | Cullen, L. M. (Louis Michael) | Article in Book | | 1976 |
| Economy, trade and Irish merchants at home and abroad, 1600-1988 | Cullen, L. M. (Louis Michael) | Monograph or Collective Volume | Four Courts | 2012 |
| Edmund Burke and the literary cabal : A tale of two Enlightenments | McMahon, Darrin M. | Article in Book | | 2004 |
| Edmund Burke and Trinity College : lifetime ties and later College commemoration | Cullen, L. M. (Louis Michael) | Article in Book | | 2006 |
| Edmund Burke on slavery and the slave trade | Collins, Gregory M. | Article in Journal | | 2019 |
| Edmund Dwyer Gray Jr : his life in two hemispheres | Larkin, Felix M. | Article in Journal | | 2016 |
| Edmund Dwyer Gray Jr in Tasmania | Larkin, Felix M. | Article in Journal | | 2017 |
| Edmund Ignatius Rice, founder of the Irish Christian Brothers, 1762-1844 | Boylan, M. Eugene | Article in Journal | | 1944 |
| Edmund Rice and the Presentation Brothers | Feheney, J. M. | Article in Book | | 1996 |
| Education and religion in Northern Ireland | Gallagher, A. M. | Monograph or Collective Volume | [s.n.] | 1989 |
| Education and schooling | Whitehead, Maurice ; Raftery, Deirdre ; McDermid, Jane | Article in Book | Oxford University Press | 2023 |
| Education in Drogheda through the ages | Malone, M. | Article in Journal | | 1976 |
| Education, identity and women religious, 1800-1950 : convents, classrooms and colleges | | Monograph or Collective Volume | Routledge | 2016 |
| Edward Blake, Irish nationalist : a Canadian statesman in Irish politics, 1892-1907 | Banks, M. A. | Monograph or Collective Volume | University P. | 1957 |
| Edward Dowden, 1843-1913. An address delivered in the chapel of Trinity College Dublin, on Trinity Monday, 1943 | White, H. M. O. | Monograph or Collective Volume | University P. | 1943 |
| Edward Martyn and guests at Tulira | Nolan, J. C. M. | Article in Journal | | 1994 |
| Edward Martyn and the founding of Dublin's Palestrina Choir | Nolan, J. C. M. | Article in Journal | | 2000 |
| Edward Smyth | Barrow, Viola B. M. | Article in Journal | | 1999 |
| Edward Smyth | Barrow, V. B. M. | Article in Journal | | 1999 |
| Edward Williams. Born 8th May, 1848. Died 15th December, 1905. | Barrington, Richard M.
| Article in Journal | | 1906 |
| Edwardian people | Simpson, M. Lesley | Article in Journal | | 2008 |
| Eglish monastery - Ahascragh parish - Co. Galway | Connellan, M. J. | Article in Journal | | 1943 |
| Egyptian Hermits and Irish High Crosses | Cutrer, MaradithThomas, Colleen M. | Article in Journal | | 2024 |
| Eighteenth-century flour milling in Ireland | Cullen, L. M. (Louis Michael) | Article in Book | | 2003 |
| Eighteenth-century flour milling in Ireland | Cullen, L. M. (Louis Michael) | Article in Journal | | 1977 |
| Eighteenth-century theatrical touring and Irish popular culture | Burke, Helen M. | Article in Book | | 2005 |
| Eileen Kato, 1932-2008 | Cullen, L. M. (Louis Michael) | Article in Journal | | 2010 |
| Eileen Kato, 1932-2008 | Cullen, L. M. (Louis Michael) | Article in Journal | | 2010 |
| Éirí amach 1798 in Éireann | | Monograph or Collective Volume | Raidió na Gaeltachta i gcomhar le Cló Iar-Chonnachta | 1998 |
| Ekphrasis at Kildare : the imaginative architecture of a seventh-century hagiographer | Bitel, Lisa M., 1958- | Article in Journal | | 2004 |
| El irlandés conde de O'Reylli, teniente general de los ejércitos de Carlos III y Carlos IV | Orti Belmonte, M. A. | Article in Journal | | 1962 |
| Elections and macroeonomic outcomes in Ireland, 1948-91 | Annett, Anthony M. | Article in Journal | | 1994 |
| Elements of Celtic placenames | Matley, Ian M. | Article in Journal | | 1965 |
| Elizabeth Butler, countess of Chesterfield, 1640-1665 | Phelan, Margaret M. | Article in Journal | | 1977 |
| Elizabeth I and her age : authoritative texts commentary and criticism | | Monograph or Collective Volume | W. W. Norton | 2009 |
| Elizabethan England : being the history of this country 'in relation to all foreign princes'. From original manuscripts, many hitherto unpublished; co-ordinated with 16th century printed matter ranging from royal proclamations to broadside ballads. A survey of life and literature ... | Tenison, E. M. | Monograph or Collective Volume | | 1933 |
| Eloquent witnesses : bookbindings and their history : a volume of essays dedicated to the memory of Dr. Phiroze Randeria | | Monograph or Collective Volume | Bibliographical Society : British Library|Oak Knoll | 2004 |
| Elphin : a proud past - a promising future | Gormley, M. | Article in Journal | | 1992 |
| Emergence from the embers : the Meath and Kildare farm labour strike of 1919 | Dunne, Terence M. | Article in Journal | | 2019 |
| Emigrant Irish : the critical first generation | Punch, Terence M. | Article in Journal | | 1980 |
| Emigrant sailing ships | Stafford, Lawrence M. | Article in Journal | | 2004 |
| Emigrants or exiles? Female ex-prisoners leaving Ireland, 1850-1900 | Prior, Pauline M. | Article in Journal | | 2009 |
| Emigration and exile | Curtin, ChrisO'Dwyer, RianaÓ Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 1988 |
| Emigration from Irish ports | Mageean, Deirdre M. | Article in Journal | | 1993 |
| Emigration, 1800-1920 | Macraild, Donald M. | Article in Book | | 2014 |
| Emmet's trial | Bourke, Kathleen M. | Article in Journal | | 1940 |
| Empire and community : Edmund Burke's writings and speeches on international relations | | Monograph or Collective Volume | Westview | 1999 |
| Enclosed late bronze age habitation site and boundary wall at Lough Gur, Co. Limerick | Cleary, Rose M. | Article in Journal | | 2003 |
| Encountering colonialism : Gaelic-Irish responses to new English expansion in early modern west Tipperary, c.1541-1641 | Morrissey, J. M. | Article in Journal | | 2001 |
| Engaging amid Divisions: Social Media as a Space for Political Intervention and Interactions in Northern Ireland | Soares, Augusto H. Gazir M. | Article in Book | | 2018 |
| England and her neighbours, 1066-1453 : essays in honour of Pierre Chaplais | | Monograph or Collective Volume | Hambledon | 1989 |
| England from a back window : with views of Scotland and Ireland | Bailey, J. M. | Monograph or Collective Volume | | 1879 |
| England's postal history to 1840 | Wilcocks, R. M. | Monograph or Collective Volume | The author | 1975 |
| England's postal history, to 1840; with notes on Scotland, Wales and Ireland | Willcocks, R. M. | Monograph or Collective Volume | | 1975 |
| England, Ireland, Scotland, and Wales : documents, 1541-1562 | Lukács, LászlóMcCoog, Thomas M. | Monograph or Collective Volume | Institutum Historicum Societatis Iesu | 2000 |
| English and Irish cut glass, 1750-1950 | Elville, E. M. | Monograph or Collective Volume | | 1953 |
| English funding of the Scottish armies in England and Ireland, 1640-1648 | Stewart, Laura A. M. | Article in Journal | | 2009 |
| English memorial brasses of Irish interest | Lott, B. M. | Article in Journal | | 1941 |
| English nobility : the gentry, the heralds and the continental context | Sayer, M. J. | Monograph or Collective Volume | | 1979 |
| English silver coins, 1560-1640 | Kenny, M. | Article in Journal | | 1980 |
| English, Irish and Scottish firearms makers | Carey, A. M. | Monograph or Collective Volume | Chambers | 1955 |
| English, Irish and Scottish firearms makers ... from the middle of the 16th century to the end of the 19th century. | Carey, A. M. | Monograph or Collective Volume | | 1967 |
| Enterprising Migrants : an Irish Family in Australia | Ingham, S. M. | Monograph or Collective Volume | | 1975 |
| Enterprising Migrants : an Irish Family in Australia | Ingham, S. M. | Monograph or Collective Volume | Hawthorn | 1975 |
| Entrance structures at Killarney House | Phelan, Margaret M. | Article in Journal | | 1981 |
| Entries from the family Bible of Joshua Porter Conway | Conway, O. P. M. | Article in Journal | | 1974 |
| Envoi : humanity, economy, policy : on common sense and expertise in the life of Sir Jeremiah Fitzpatrick | MacDonagh, Oliver | Article in Book | NA | 1988 |
| Eoin MacNeill | Charles-Edwards, T. M. (Thomas Mowbray)Maume, Patrick | Article in Book | Royal Irish Academy | 2015 |
| Epidemic diseases of the Great Famine | Geary, Laurence M. | Article in Journal | | 1996 |
| Episcopal Leaders and Leadership | Doyle, Peter | Article in Book | Oxford University Press | 2023 |
| Episcopal succession of Ross in the fifteenth century | Kiely, M. A. | Article in Journal | | 1936 |
| Episcopal warriors in the British wars of religion | Hibbard, Caroline M., 1942- | Article in Book | | 1991 |
| Equal citizens : Sunbeam House, 1874-2014 | Feealy, Gerard M.Lucey, Sean DonnachaMcNamara, Martin | Monograph or Collective Volume | Sunbeam House Trust | 2014 |
| Érlam : the patron-saint of an Irish church | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 2002 |
| Erskine H. Childers, President of Ireland | Young, John M. | Monograph or Collective Volume | Smythe | 1985 |
| Essays on England, Ireland and the Empire. Introduction by Joseph Hamburger | | Monograph or Collective Volume | | 1982 |
| Essays on England, Ireland, and the Empire by John Stuart Mill | | Monograph or Collective Volume | | 1982 |
| Essays on the early Irish king tales | | Monograph or Collective Volume | Four Courts | 2008 |
| Establishing a communications system : news, post and transport | Cullen, L. M. (Louis Michael) | Article in Book | | 1984 |
| Estate management practices on the Wentworth-Fitzwilliam core estates of Ireland and Yorkshire: a comparative study, 1815-65 | Byrne, Fidelma M. | Thesis | | 2017 |
| Ethnic cohesion and advancement : Irish worker conservatism in Butte, 1876-1906 | Emmons, David M. | Article in Journal | | 1992 |
| Ethnicity as an influence on behaviour | Greeley, Andrew M. | Article in Journal | | 1968 |
| European postcoloniality : The Saorstát Éireann / Irish Free State Official Handbook, 1932 | Harrison, William M. | Article in Journal | | 1995 |
| Evaluating multiple narratives : beyond nationalist, colonialist, imperialist archaeologies | | Monograph or Collective Volume | Springer | 2008 |
| Evangelicalism, the Church of Ireland and the anti-Catholicism in the life and thought of Rev. Tresham Dames Gregg (1800-81) | Connell, Paul. M. | Thesis | | 2007 |
| Everyday life in Viking-age towns : social approaches to towns in England and Ireland, c. 800-1100 | | Monograph or Collective Volume | Oxbow Books | 2013 |
| Evolution, present condition and future potential of the Smithfield area of Dublin | McCarthy, L. M. | Article in Journal | | 1990 |
| Excavation of a cist grave at Ballynahow, Fermoy Co.Cork | O'Kelly, M. J. (Michael Joseph) | Article in Journal | | 1946 |
| Excavation of a mound at Blessington, Co. Wicklow | Prendergast, EllenRoe, Helen M. | Article in Journal | | 1946 |
| Excavation of a ring-fort at Garryduff, Co. Cork | O'Kelly, M. J. (Michael Joseph) | Article in Journal | | 1946 |
| Excavation of an early medieval settlement and other sites at Dromthacker, Tralee, Co. Kerry | Cleary, Rose M. | Article in Journal | | 2008 |
| Excavation of medieval remains in Boherash townland, Glanworth, Co. Cork | Cleary, Rose M. | Article in Journal | | 2007 |
| Excavations at an early ecclesiastical enclosure at Kilkieran, county Kilkenny | Hurley, M. F. | Article in Journal | | 1989 |
| Excavations at Ballyloran, Larne, County Antrim | Chapple, Robert M.
| Article in Journal | | 2009 |
| Excavations at Castle Hill, Dungannon, Co. Tyrone | Chapple, Robert M. | Article in Journal | | 2003 |
| Excavations at Chapel Lane, Youghal | Cleary, R. M. | Article in Journal | | 1997 |
| Excavations at Clough Castle, Co. Down | Waterman, D. M. | Article in Journal | | 1954 |
| Excavations at Dromore motte, Co. Down | Waterman, D. M. | Article in Journal | | 1954 |
| Excavations at Dundrum castle, 1950 | Waterman, D. M. | Article in Journal | | 1951 |
| Excavations at Grand Parade, Cork, II | Hurley, M. F. | Article in Journal | | 1990 |
| Excavations at Lismahon, Co. Down | Waterman, D. M. | Article in Journal | | 1959 |
| Excavations at Navan Fort, 1961-1971 | Lynn, C. J.Waterman, D. M. | Monograph or Collective Volume | [s.n.] | 1997 |
| Excavations at the Dominican Priory, St Mary's of the Isle, Crosse's Green, Cork | Cleary, Rose M.Hurley, Maurice F.Sheehan, Cathy | Monograph or Collective Volume | Cork Corporation | 1995 |
| Excavations at the Dominican Priory, St Mary's of the Isle, Crosse's Green, Cork | | Monograph or Collective Volume | Cork Corporation | 1995 |
| Excavations in Carrickfergus, Co. Antrim, 1972-79, A Summary Report on the Excavations Directed by the late T.G. Delaney | Dickson, A.Simpson, M. L. | Article in Journal | | 1981 |
| Excavations in Carrickfergus, County Antrim, 1972-79 | Dickson, A.Simpson, M. L. | Article in Journal | | 1981 |
| Excavations in medieval Cork : St Peter's market | Hurley, M. F. | Article in Journal | | 1986 |
| Excavations of an early-medieval period enclosure at Ballynagallagh, Lough Gur, Co. Limerick | Cleary, Rose M. | Article in Journal | | 2006 |
| Excerpts from Downpatrick timber yard day book of November 1895 | McCord, M. E. | Article in Journal | | 1995 |
| Exemplar, Outlier, Impostor? A Reflection on Ireland and the Discourses of Colonialism | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | NA | 2014 |
| Exhibition of Swift rarities at Texas university | MacManus, M. J. | Article in Journal | | 1947 |
| Exiles, 'evangelizers,' and anti-imperialists : Ireland's disputed American 'empire' | Emmons, David M. | Article in Journal | | 2012 |
| Exploring textures of Irish America : a new perspective on the Fenian invasion of Canada | Doolin, David M. | Article in Journal | | 2015 |
| Exploring textures of Irish America : a new perspective on the Fenian invasion of Canada | Doolin, David M. | Article in Journal | | 2015 |
| Faces of Ireland | McMahon, S.Walker, B. M. (Brian Mercer)Ó Broin, Art | Monograph or Collective Volume | Appletree Press | 1980 |
| Faces of the past : a photographic and literary record of Ulster 1880-1915 | Walker, B. M. (Brian Mercer) | Monograph or Collective Volume | Appletree Press | 1974 |
| Facets of the Irish diaspora : “Irishness” in 20th century Scotland | Bradley, Joseph M. | Article in Journal | | 1996 |
| Faction fights : the Irish worlds of Butte, Montana, 1875-1917 | Emmons, David M. | Article in Book | | 1992 |
| Facts regarding the labour disputes, contained in the speech of Mr. T. M. Healy, K.C., M.P., at court of enquiry, held in Dublin Castle, October 1st 1913 | Healy, Timothy M. | Monograph or Collective Volume | Hely | 1913 |
| Fág an bealach : the Irish contribution to Western Pennsylvania | Maloney, M. | Monograph or Collective Volume | United Irish Societies | 1977 |
| Faith, fraternity and fighting : the Orange Order and Irish migrants in northern England, c. 1850-1920 | MacRaild, Donald M. | Monograph or Collective Volume | Liverpool University Press | 2005 |
| Fake News and the Irish War of Independence | Barry Michael M. | Monograph or Collective Volume | Andalus Press | 2021 |
| Family and community in Ireland | Arensberg, Conrad M.Kimball, T. | Monograph or Collective Volume | Harvard University Press | 1940 |
| Family and community in Ireland | Arensberg, Conrad M.Byrne, AnneKimball, T.Ricca, EdmondsonVarley, Tony | Monograph or Collective Volume | Clasp | 2001 |
| Family descended, U. S. A., from Matthew Carraher, Co. Monaghan and his wife Alice McNally | Carraher, IreneCarraher, Richard M. | Article in Journal | | 1992 |
| Family histories of the Irish Revolution | | Monograph or Collective Volume | Open Air (Four Courts Press) | 2018 |
| Family stories, public silence : Irish identity construction amongst the second-generation Irish in England | Bradley, Joseph M.Hickman, Mary J.Morgan, SarahWalter, Bronwen | Article in Journal | | 2002 |
| Famine | Foster, MaritaGeary, Laurence M. | Article in Book | | 2005 |
| Famine | Boylan, Ciara M. | Article in Book | | 2016 |
| Famine letters | Snell, K. D. M.Somerville, Alexander | Article in Journal | | 1995 |
| Famine, fever and the bloody flux | Geary, Laurence M. | Article in Book | | 1995 |
| Fanny and Anna Parnell : Ireland's patriot sisters | Cote, J. M. | Monograph or Collective Volume | | 1991 |
| Far off Fredericksburg Virginia. Lieut. John F. Ferris 19th Mass. Vols. C. Div. Smuldgeon Drumsurn | Higgins, M.A. | Article in Journal | | 2004 |
| Farm habitants in Annaghdown, County Galway : management practices in the 1940s | Aughney, T. C.Gormally, M. J. | Monograph or Collective Volume | Environmental Science Unit, National University of Ireland | 1999 |
| Fasti of the General Assembly of the Presbyterian Church in Ireland. Pt. 1 : 1840-1870; pt. 2 : 1871-1890; pt. 3 : 1891-1910 | Barkley, John M. | Monograph or Collective Volume | Presbyterian Hist. Soc. | 1987 |
| Fasting, flesh and the body in the St Brendan dossier | Wooding, Jonathan M. | Article in Book | | 2003 |
| Father John MacEnery : scientist or charlatan? | Alexander, E. M. M.Wilker, H. H. | Article in Journal | | 1964 |
| Feeble References: Catholic Material Culture | Richardson, Carol M. | Article in Book | Oxford University Press | 2023 |
| Female domestic and farm workers in Munster, 1936-1960 : some insights from oral history | Kiely, E.Leane, M. | Article in Journal | | 2004 |
| Female education in Ireland, 1700-1900 : Minerva or Madonna | Parkes, Susan M.Raftery, Deirdre | Monograph or Collective Volume | Irish Academic Press | 2007 |
| Fenian memories | O'Sullivan, T. F.Ryan, M. F. | Monograph or Collective Volume | Gill | 1945 |
| Fenian raids against Canada | Taylor, John M. | Article in Journal | | 1978 |
| Fenian times in Nova Scotia | Cameron, James M. | Article in Journal | | 1970 |
| Fenianism in Canada, 1874-84 | Lyne, Daniel C.Toner, P. M. | Article in Journal | | 1972 |
| Fianna Fáil and the civil service, 1927-37 | Feeney, Thomas M. | Thesis | | 1999 |
| Fifteenth-century Irish provincial legislation and pastoral care | Burrows, M. A. J. | Article in Book | | 1989 |
| Fighting for Ireland? : the military strategy of the Irish republican movement | Smith, M. L. R. | Monograph or Collective Volume | Routledge | 1995 |
| Files of Irish interest in the Bundesarchiv, Koblenz, II | Ireland, Aideen M. | Article in Journal | | 1989 |
| Filíocht, cultúr agus polaitíocht | Cullen, L. M. (Louis Michael) | Article in Book | | 1996 |
| Finding a place : women and the Irish peace process | Ward, M. | Article in Journal | | 1995 |
| Finding our Irish | Punch, Terence M. | Article in Journal | | 1986 |
| Finglas | Tutty, M. J. | Article in Journal | | 1973 |
| Finnigan's awake : E.S. Finnigan and Ulster politics, 1874-1892 | Walker, B. M. (Brian Mercer) | Article in Journal | | 2000 |
| First link : Parnell's American tour, 1880 | Hazel, M. V. | Article in Journal | | 1980 |
| Fitzjames O'Brien; a playboy of the western world | Sullivan, A. M. | Article in Journal | | 1955 |
| Five letters relating to Galway smuggling in 1737 | Cullen, L. M. (Louis Michael) | Article in Journal | | 1959 |
| Fled Bricrenn | O'Brien, M. A. (Michael Alphonsus) | Article in Book | | 1959 |
| Fleeing the famine : North America and Irish refugees, 1845-1851 | | Monograph or Collective Volume | Praeger | 2003 |
| Folklore (continued) | Hodgson, C. M. | Article in Journal | | 1903 |
| Folklore collected | Hodgson, C. M. | Article in Journal | | 1903 |
| Folklore collected in the neighbourhood of Curraghrevagh | Hodgson, C. M. | Article in Journal | | 1903 |
| Folklore, legend and Irish plants | Synnot, D. M. | Article in Book | | 1979 |
| Football in Scotland : a history of political and ethnic identity | Bradley, Joseph M. | Article in Journal | | 1995 |
| For Protestant self-determination : the key to the Ulster question | Hussey, Christopher M., 1944- | Monograph or Collective Volume | Dunesk Press | 2001 |
| Foras Mhiniúghadh air Áit-ainmneachaibh a d-Tír Bhail Ath Cléith
Cuartuighthe fuasgailte
le h-eallabhair chirt fiadhnuise
déantús
Mhichil Mhóir Mhicnamara
[Explanation on the placenames of County (recte Land) of Dublin City, sought and explained, with a multitude of correct evidence, made by Micheál Mór MacNamara] | MacNamara, M.A. | Monograph or Collective Volume | self-published|From author and booksellers. Four shillings net | 1922 |
| Foreword|Réamhrá | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | NA | 2016 |
| Forty years of Wexford agriculture | Connolly, M.T. | Monograph or Collective Volume | [The Author] | [1997] |
| Four O'Daly manuscripts | Black, Ronald I. M. | Article in Journal | | 1992 |
| Four special commemorative stamps for the Carnegie libraries in Ireland | Larkin, Felix M. | Article in Journal | | 2019 |
| Four special commemorative stamps for the Carnegie Libraries in Ireland | Larkin, Felix M. | Article in Journal | | 2019 |
| Fowler's Type G Penannular Brooches Reconsidered | Dickinson, T. M. | Article in Journal | | 1982 |
| Fr Michael Dungan's Blanchardstown, 1836-1868 | Cronin, Elizabeth M. | Monograph or Collective Volume | Four Courts | 2002 |
| Fr. Gowan and the Congregation of the Holy Faith | Bugler, M. Theodore | Article in Book | | 1997 |
| Fr. Thomas O'Shea and the Callan Tenant Protection Society | Phelan, Margaret M. | Article in Journal | | 1980 |
| Fragments of liturgical chant from medieval Irish monasteries in continental Europe | Czernin, M. | Article in Journal | | 2000 |
| Frances Margaret More | M., C.B. | Article in Journal | | 1909 |
| Francis Hutcheson, 1694-1746, Professor of Moral Philosophy, University of Glasgow | Barkley, John M. | Article in Book | | 1985 |
| Francis Makemie | Barkley, John M. | Article in Journal | | 1974 |
| Francis Makemie of Ramelton - father of American presbyterianism | Barkley, John M. | Monograph or Collective Volume | Presbyterian Historical Society of Ireland | 1982 |
| Francis Thurot and the French attack at Carrickfergus, 1759-60 | Beresford, M. H. T. de la P. | Article in Journal | | 1971 |
| Fraternally yours : Roderic and Francis Burdett O'Connor | Geary, Laurence M. | Article in Journal | | 1990 |
| Friar Cherubim O'Daly, O.S.M. c. 1600-1664 | Mooney, C. A. M. | Article in Journal | | 1978 |
| Frigulus : Hiberno-Latin author or pseudo-Irish phantom : comments on the edition of the Liber questionum in euangeliis (CCSL 108F) | Gorman, M. M. | Article in Journal | | 2005 |
| Fritz Emmet : St. Louis's favourite German | Callahan, John M. | Article in Journal | | 1979 |
| From antiquary to archaeologist : the pursuit of collections in Sligo in the nineteenth century | Ireland, Aideen M. | Article in Book | | 2024 |
| From Channel Row to Cabra : Dominican nuns and their times, 1717-1820 | Kealy, Máire M. | Monograph or Collective Volume | Columba Press | 2010 |
| From Connerville, county Cork to Connerville, Van Diemen's land : the Irish family background and colonial career of Roderic O'Connor (1786/1787? - 1860) | Geary, Laurence M. | Article in Book | | 2008 |
| From Derrykillew to Frongoch under the Defence of the Realm Act | Tunney, Patrick M. | Article in Journal | | 1985 |
| From Derrykillew to Frongoch under the Defence of the Realm Act | Tunney, Patrick M. | Article in Journal | | 2015 |
| From hunting field to cloister | Gwynn, M. M. Xavier | Monograph or Collective Volume | Clonmore & Reynolds | 1946 |
| From Ireland to Brooklyn : O'Neill, Scott, Stack, Kiernan, McManus, McPadden and allied families | Silinonte, Joseph M. | Article in Journal | | 2003 |
| From Irish countryside to American city : the settlement and mobility of Ulster migrants in Philadelphia | Mageean, D. M. | Article in Book | | 1991 |
| From patronage to brokerage in the local politics of eastern Ireland | Wilson, Thomas M. | Article in Journal | | 1990 |
| From reaction to reform : the mellowing of a Connacht squire - the Right Hon. Denis Browne M.P. (1763-1822) | Hogan, Patrick M. | Article in Journal | | 2005 |
| From sanatorium to hospital : a social and medical account of Peamount 1912-1997 | Healy, T. M. | Monograph or Collective Volume | A. & A. Farmar | 2002 |
| From sanitorium to hospital : a social and medical account of Peamount 1912-1997 | Healy, T. M. | Monograph or Collective Volume | A. & A. Farmar | 2002 |
| From shore to shore : the life and times of the Rev. John MacLennan of Belfast, P.E.I | MacLennan, J. M. | Monograph or Collective Volume | | 1978 |
| From terrorism to politics | Engeland, Anisseh vanRudolph, Rachael M. | Monograph or Collective Volume | Ashgate | 2008 |
| From the archivist's desk. An Gorta Mor from the files in the Society's archive | Carroll, Frieda M. | Article in Journal | | 1995 |
| From the Belfast boycott to the Boundary Commission : fears and hopes in County Monaghan, 1920-1926 | Dooley, Terence A. M. | Article in Journal | | 1994 |
| From the Caucasus to Ulster - the Co. Fermanagh buttermilk plant | Collins, M. A.Johnston, D. E.Thompson, J. K. | Article in Journal | | 1988 |
| From the cradle to the grave | McAllister, MadeleineSimpson, M. Lesley | Article in Journal | | 1999 |
| From the darkness to the dawn : the later prehistoric and early Christian borderlands | Buckley, Victor M. | Article in Book | | 1989 |
| From the files of the DIB... Landlord and public figure with a difference | Geoghegan, Patrick M.Kleinman, Sylvie | Article in Journal | | 2010 |
| From the files of the DIB...Buck Whaley : drinking, dissipation and destruction | Geoghegan, Patrick M. | Article in Journal | | 2007 |
| From United Kingdom to divided island : aspects of the Irish experience, 1850-1922 | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 1988 |
| Fundamental rights in the Irish law and constitution | Kelly, J. M. | Monograph or Collective Volume | Figgis | 1967 |
| Fundraising in an Irish provincial town: a story from the 19th century | Feheney, J.M. | Article in Journal | | 2014 |
| Further evidence confirms the twelfth century B.C. dendro date from the inner ditch of Haughey's Fort | Baillie, M. G. L. | Article in Journal | | 1998 |
| Gabriel Hayes : a talented icon in mid-twentieth-century Ireland | Cleary, Rose M. | Article in Book | Four Courts Press | 2024 |
| Gaelic in Nova Scotia | Sinclair, D. M. | Article in Journal | | 1950 |
| Gaelic Ireland, popular politics and Daniel O'Connell | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Journal | | 1975 |
| Gaelic sport, soccer and Irishness in Scotland | Bradley, Joseph M. | Article in Journal | | 2007 |
| Galway in the modern period : survival and revival | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 1995 |
| Galway merchants in the outside world, 1650-1800 | Cullen, L. M. (Louis Michael) | Article in Book | | 1984 |
| Galway's revolutionary decade : a review essay | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Journal | | 2018 |
| Garibaldi or the Pope : Newcastle's Irish Riot of 1861 | Jackson, Daniel M. | Article in Journal | | 2001 |
| Garrisons and barracks in the Irish midlands, 1704-1828 | Kerrigan, P. M. | Article in Journal | | 1985 |
| Gearóid MacNiocaill | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Journal | | 2002 |
| Geis, prophecy, omen, and oath | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Journal | | 1999 |
| Gender | Pearsall, Sarah M. S. | Article in Book | | 2002 |
| Gender and criminal lunacy in nineteenth-century Ireland | Prior, Pauline M. | Article in Book | | 2012 |
| Gender and the Irish language in post-Famine Ireland | Wolf, Nicholas M. | Article in Book | | 2023 |
| Gender and the nationalistic ballad: Thomas Davis, Thomas Moore, and their songs | Love, Timothy M. | Article in Journal | | 2017 |
| Gendered speech and engendering citizenship in the Irish Free State : ordinary women and County Clare District Courts, 1932-1934 | French, Brigittine M. | Article in Book | | 2015 |
| Genealogical research in Nova Scotia | Punch, Terence M. | Monograph or Collective Volume | Petheric Press | 1978 |
| Genealogical research in the United States of America | Daly, Marie E. | Article in Book | | 1993 |
| Genealogical sources at the Royal Irish Academy | Dolan, Brigid | Article in Book | | 1993 |
| General Andrew Thomas McReynolds, hero of the Mexican and Civil Wars | Sweeny, William M. | Article in Journal | | 1926 |
| General Arthur O'Connor | Connor, Con M. | Article in Book | | 1998 |
| General Cleburne and the emancipation of slaves | Hull, Mark M. | Article in Journal | | 1996 |
| General Hugh Brady, U. S. army | Sweeney, William M. | Article in Journal | | 1925 |
| General John Moore in Ireland in 1798 | Kerrigan, Paul M. | Article in Journal | | 2003 |
| General Philip Sheridan | Costello, M. J. | Article in Journal | | 1964 |
| George Berkeley, the Irish Cartesian | Bracken, H. M. (Harry McFarland) | Article in Book | | 1985 |
| George Bernard Shaw I John Osborne : recepción y recreación de su teatro en España durante el franquismo | Isabel-Estrada, M. Antonia | Thesis | | 2001 |
| George Fletcher and technical education in Ireland, 1900-1927 | Parkes, Susan M. | Article in Journal | | 1990 |
| George Gavan Duffy 1882-1951 : a legal biography | Golding, G. M. | Monograph or Collective Volume | Irish Academic Press | 1982 |
| George Gavan Duffy, 1881-1951 : a legal biography | Goulding, G. M. | Monograph or Collective Volume | [s.n.] | 1982 |
| George M'Allister, glass-painter (1786-1812) | Fraser, A. M. | Article in Journal | | 1948 |
| George McAllister, glass-painter | Fraser, A. M. | Article in Journal | | 1947 |
| George Moore : a reconsideration | Brown, M. J. E. | Monograph or Collective Volume | [s.n.] | 1955 |
| George Nugent Reynolds, A.D. 1767-1802 | Masterson, M. J. | Article in Journal | | 1945 |
| George Townshend, caricaturist | Atherton, Herbert M. | Article in Journal | | 1971 |
| George Washington's associations with the Irish | O'Brien, M. J. | Monograph or Collective Volume | P. J. Kennedy | 1937 |
| Germination and growth | Cullen, L. M. (Louis Michael) | Article in Journal | | 1979 |
| Gilbert O Tighernaigh : bishop of Annaghdown, c.1306-23 | Robson, M. | Article in Journal | | 1996 |
| Gilford and its mills | Campbell, M. P. | Article in Journal | | 1981 |
| Gladly learn and gladly teach : Alexandra College and School 1866-1966 | O'Connor, Anne V.Parkes, Susan M. | Monograph or Collective Volume | Blackwater | 1984 |
| Gladstone and radicalism : the reconstruction of Liberal policy in Britain, 1885-94 | Barker, M. | Monograph or Collective Volume | NA | 1975 |
| Glassmaking in Ireland : from the medieval to the contemporary | | Monograph or Collective Volume | Irish Academic Press | 2010 |
| Glimpse of a plantation town. 1821 in Ballyhaise, County Cavan | Morrison, Steven M. | Article in Journal | | 2017 |
| Glimpses of life and education for girls mainly in the early nineteenth century | Colhoun, M. R. | Article in Journal | | 1984 |
| Glimpses of old Dalkey | O'Flanagan, F. M. | Article in Journal | | 1942 |
| Glimpses of the life of Galway merchants and mariners in the early seventeenth century | O’Sullivan, M. D. | Article in Journal | | 1931 |
| Glorious Revolution, 1688 | Chacksfield, K. M. | Monograph or Collective Volume | | 1988 |
| Gluaiseacht spioradálta do ghaeilgeoirí | Ó Conchúir, M. F. | Article in Book | | 1996 |
| Gobnait Naomhtha Bhaile Mhuirne | Henry, Françoise, 1902-1982O'Kelly, M. J. (Michael Joseph)Ó Héideáin, Eustás | Monograph or Collective Volume | [s.n.] | 1978 |
| God's providence: Inchiquin and the survival of Protestant Munster, 1641-1649 | Murphy, Elaine M. | Thesis | | 2000 |
| Gone away with O'Malley : seventy years with horses, hounds and people | Cooper, PageKnott, M. O'Malley | Monograph or Collective Volume | Hurst & Blackett | 1946 |
| Gormanston Camp 1917-1986 | O'Malley, M. | Monograph or Collective Volume | The author | 1986 |
| Gowran : its connection with the Butler family | Phelan, Margaret M. | Article in Journal | | 1982 |
| Grace O'Malley on the Atlantic | Llywellan, M. | Article in Book | | 1989 |
| Grammars in search of a corpus: pre-revival guides to the Irish language | Wolf, Nicholas M. | Article in Journal | | 2012 |
| Grange Stone Circles, Lough Gur, Co. Limerick: Geophysical survey at Stone Circles B, C and D and review of dating and phases of monument use of Circle B | Cleary, Rose M.O'Driscoll, James | Article in Journal | | 2016 |
| Great Britain and Ireland, 1760-1800 : a study in political administration | | Monograph or Collective Volume | Oliver & Boyd | 1963 |
| Great Hatred. The assassination of Field Marshal Air Henry Wilson MP, [by] Ronan McGreevy. London, 2022 | Regan, John M. | Article in Journal | | 2022 |
| Green banners : the story of the Irish struggle | Fox, R. M. | Monograph or Collective Volume | Secker and Warburg | 1938 |
| Greencastle, County Donegal | Waterman, D. M. | Article in Journal | | 1958 |
| Grenville Arthur James Cole, F.R.S. | Wright, M.C.Wright, W.B. | Article in Journal | | 1924 |
| Guide to English commercial statistics, 1696-1782 | Clark, George Norman, Sir, 1890-1979Franks, Barbara M.Royal Historical Society | Monograph or Collective Volume | Royal Historical Society | 1938 |
| H.M.S. 'Spy' off the Galway coast in the 1730s: the politics and economics of wool smuggling | Cullen, L. M. (Louis Michael) | Article in Journal | | 2013 |
| Hacketstown Brass Band, 1875-circa 1895 | Byrne, Patrick M. | Article in Journal | | 2011 |
| Hacketstown wake amusements and abuses (circa 1860) | Byrne, Patrick M. | Article in Journal | | 2018 |
| Hacketstown's building boom of 1937 | Byrne, Patrick M. | Article in Journal | | 2015 |
| Handel in Dublin | Fraser, A. M. | Article in Journal | | 1953 |
| Handing away the trump card? Peadar O'Donnell, Fianna Fáil, and the non-payment of Land Annuities campaign, 1926-32 | O'Neill, Timothy M. | Article in Journal | | 2008 |
| Handmaids of the resurrection : Ailtirí na hAiséirghe, women and Irish fascism | Douglas, R. M. | Article in Journal | | 2012 |
| Hands across the sea : two O'Malley schoolboys on their travels | Dunlop, A. M. | Article in Journal | | 1991 |
| Harry Avery's castle, Newtownstewart, Co. Tyrone : excavations, 1950 | Johnson, E. A.Jope, E. M.Jope, H. M. | Article in Journal | | 1950 |
| Has anyone here seen Kelly? | O'Kelly, Joseph M. | Article in Journal | | 1996 |
| Headfort House | Bolton, M. D. C. | Monograph or Collective Volume | Fieldgate Press | 1999 |
| Health education and the demand for tobacco in Ireland, 1953-76 | Walsh, B. M. | Article in Journal | | 1980 |
| Health, housing and social welfare | Wiley, Miriam M. | Article in Book | | 1998 |
| Hedgehogs, Owls and Scribes: The Great Isaiah Scroll and the Interpretation of Isaiah 14:23 and 34:11–15 | Zahn, Molly M. | Article in Book | | 2019 |
| Heirs and graces : the claim to the dukedom of Leinster | Estorick, M. | Monograph or Collective Volume | | 1981 |
| Henry A. Wheeler (1916-1993), president 1973-1976 | H., M. | Article in Journal | | 1994 |
| Henry A. Wheeler 1916-1993 | M., C. | Article in Journal | | 1993 |
| Henry Chichester Hart | Barrington, Richard M. | Article in Journal | | 1908 |
| Henry Eoghan O'Brien : an engineer of nobility | Beesley, Gerald M. | Monograph or Collective Volume | Gerald M. Beesley | 2018 |
| Henry Haslett a United Irishman in the 1798 rebellion : rebel? traitor? loyalist?, but through whose eyes? | Higgins, M. A. | Article in Journal | | 2003 |
| Henry II as a founder of monasteries | Hallam, Elizabeth M. | Article in Journal | | 1977 |
| Heralds' libraries | Selwyn, Pamela M. | Article in Book | | 2006 |
| Here and there in St. Canice's parish | Cassin, M. | Article in Journal | | 1958 |
| Hermits and their Habitats | Thomas, Colleen M. | Article in Book | | 2021 |
| Hibernian green on the silver screen : the Irish and American movies | Curran, Joseph M. | Monograph or Collective Volume | Greenwood | 1989 |
| Hiberno-Latin lexical sources of Harley 3376, a Latin-Old English glossary | Herren, M. W. | Article in Book | | 1992 |
| Hidden in the pile : the Abbey Leix Carpet Factory 1904-1912 | Johnston, Mairead M. | Monograph or Collective Volume | Abbeyleix Heritage Co. | 1997 |
| High Street, Kilkenny | Phelan, Margaret M. | Article in Journal | | 1968 |
| Higher education, 1793-1908 | Parkes, Susan M. | Article in Book | | 1996 |
| Hispania : The Romans in Spain and Portugal | Barry Michael M. | Monograph or Collective Volume | Andalus Press | 20 |
| Historic and important dates in the civic life of Thurles | Kennedy, J. M. | Monograph or Collective Volume | Tipperary Star | 1941 |
| Historic Irish hospitals : 5, Newcastle, Co. Wicklow | Croker, M. A. | Article in Journal | | 1962 |
| Historic Knockbride : a May Day visit | Smith-Brady, Bridie M. | Article in Journal | | 1984 |
| Historic monuments | Jope, E. M. | Article in Book | | 1952 |
| Historic photographs for the local historian | Walker, B. M. (Brian Mercer) | Article in Journal | | 1991 |
| Historic St Michan's | Troy, M.C. | Article in Journal | | 1930 |
| Historical anthropology and the ethnographic tradition : a personal, historical, and intellectual account | Gulliver, P. H.Silverman, M. | Article in Book | | 1992 |
| Historical aspects of Celtic medicine | Whittet, M. M. | Article in Journal | | 1965 |
| Historical geographies of a colonised world : the renegotiation of New English colonialism in early modern urban Ireland, c.1600-10 | McCarthy, M. | Article in Journal | | 2003 |
| Historical miscellany | Masterson, M. J. | Article in Journal | | 1937 |
| Historical notes of the parish of Kildress (Diocese of Armagh) : a lecture | Young, J. M. | Monograph or Collective Volume | Mid-Ulster Printing Works [printer] | 1913 |
| Historical notices of old Belfast and its vicinity | | Monograph or Collective Volume | | 1896 |
| History and the public sphere : essays in honour of John A. Murphy | | Monograph or Collective Volume | Cork University Press | 2005 |
| History makers of 20th century Ireland : 10 concise biographies | Kehoe, A. M. | Monograph or Collective Volume | Mentor Press | 1989 |
| History of Galway Races | Hyland, Francis P. M. | Monograph or Collective Volume | Robert Hale | 2008 |
| History of Galway races | Hyland, Francis P. M. | Monograph or Collective Volume | Somerville Press | [2010?] |
| History of historical demography in Ireland | Kennedy, Christopher M. | Article in Book | | 2016 |
| History of James Stephens Barracks, Kilkenny | Condon, L.Mullagh, M. | Monograph or Collective Volume | The authors | 1987 |
| History of Killeen Castle, County Meath, Ireland | Carty, Mary-RoseLynch, D.W.Lynch, M.J.Mulvany, M.J.A. | Monograph or Collective Volume | The authors | 2008 |
| History of Leitrim | O'Flynn, T. M. | Monograph or Collective Volume | Fallon | 1937 |
| History of Lurgan Baptist Church 1878-1974 | Torrens, W. M.Wells, G. A. | Article in Journal | | 1975 |
| History of Stephens Barracks Kilkenny | Condon, L.Mullagh, M. | Article in Journal | | 1986 |
| History of the Irish Derby | Hyland, Francis P. M.Williams, G. St. J. | Monograph or Collective Volume | Allen | 1980 |
| History of the Irish in Britain | Hartigan, M. | Monograph or Collective Volume | Irish in Britain History Centre | 1986 |
| History of the Irish in Wisconsin | Scanlan, Charles M. | Article in Journal | | 1914 |
| History of the origin and progress of the Irish Society, established for ... the education of the native Irish, through the medium of their own language | Mason, H. J. M. | Monograph or Collective Volume | | 1844 |
| History of the ruling eldership in Irish presbyterianism | Barkley, J.M. | Thesis | | 1952 |
| Holding fire : strategic theory and the missing military dimension in the academic study of Northern Ireland | Smith, M. L. R. | Article in Book | | 1995 |
| Holding the future at Bay : the French Revolution and modern Ireland | Outram. D. | Article in Journal | | 1989 |
| Holocaust denial, treason and Irish identity | Hull, Mark M. | Article in Journal | | 2017 |
| Holycross, 1730-1840 | Ireland, Aideen M. | Article in Journal | | 1982 |
| Home Rule and the elections of 1885-6 : documents | Doherty, Gillian M.,O'Riordan, Tomás | Article in Book | | 2011 |
| Hopkins : an English Jesuit going to Ireland | Peters, W. A. M. | Article in Book | | 1988 |
| Horace Plunkett's educational aims | Clune, M. J. | Article in Journal | | 1980 |
| Horace Plunkett's resignation from the Irish Department of Agriculture and Technical Instruction 1906-1907 | Clune, M. J. | Article in Journal | | 1982 |
| How Limerick came to be | Moloney, M. | Article in Journal | | 1959 |
| How old is that oak? | Brown, David M. | Article in Book | | 2005 |
| How place-names began and how they develop | Matthews, C. M. | Monograph or Collective Volume | | 1974 |
| How the North was won : a military history of the Civil War | Hattaway, H. M.Jones, Archer | Monograph or Collective Volume | University of Illinois Press | 1991 |
| Howth : a centenary of sailing | Nixon, W. M. | Monograph or Collective Volume | Howth Yacht Club | 1995 |
| Hugh Cullen and the Curragh massacre | Curran, M. J. | Article in Journal | | 1955 |
| Huguenot networks, 1560-1780 : the interactions and impact of a Protestant minority in Europe | | Monograph or Collective Volume | Routledge; Taylor & Francis | 2018 |
| Human osteoarchaeology in Ireland : past, present and future | Murphy, E. M. | Article in Journal | | 2002 |
| Human remains excavated at Doonbought Fort, Co. Antrim, 1969 | McNeill, T. E.Murphy, E. M. | Article in Journal | | 1993 |
| Humphrey O'Sullivan's Callan : before and after | Cullen, L. M. (Louis Michael) | Article in Book | | 1999 |
| Hurling in Thurles and district before the GAA | Tobin, J. M. | Article in Journal | | 2020 |
| Hutcheson's Aesthetic Realism and Moral Qualities | Purviance, Susan M. | Article in Journal | | 2006 |
| I mbéal an bháis : the Great Irish Famine and the language shift in nineteenth-century Ireland | Ó Tuathaigh, M. A. G. (Gearóid) | Monograph or Collective Volume | Quinnipiac University Press | 2015 |
| I ndíl chuimhne Sheán Mhic Cinna | Brock, A. M. | Article in Journal | | 1998 |
| I remember St. Paul's Swede hollow | Hokanson, Nels M. | Article in Journal | | 1969 |
| I was told this in 1958 in my Grandma's letter | Rhodes, Carolny M.B. | Article in Journal | | 2003 |
| I was told this in 1958 in my Grandma's letter | Rhodes, Carolny M.B. | Article in Journal | | 2003 |
| Ice and cold storage : a Dublin history | Johnston, Mairead M. | Monograph or Collective Volume | Autozero Ltd | 1988 |
| Identity and ideology in Northern Ireland | Gallagher, A. M. | Article in Journal | | 1988 |
| Ideology, mobilization and the nation : the rise of Irish, Basque and Carlist nationalist movements in the nineteenth and early twentieth centuries | Flynn, M. K. | Monograph or Collective Volume | Macmillan | 2000 |
| Il conte di Tyrone esule a Roma | Crinó, A. M. | Article in Journal | | 1958 |
| Illicit distillation and the revenue police in Ireland in the eighteenth and nineteenth centuries | Dawson, N. M. | Article in Journal | | 1977 |
| Illness and medical care among Irish immigrants in antebellum New York | Kraut, Alan M. | Article in Book | | 1996 |
| Illuminating Irish towns : the Irish Historic Towns Atlas comes of age | Davies, K. M. (Kathleen Mary) | Article in Book | | 2004 |
| Illustrated history of Ireland : from AD 400 to 1800 | Cusack, M. F. (Margaret Anna), 1829-1899 | Monograph or Collective Volume | Bracken Books | 1995 |
| Illustration of the Holy Trinity in Ireland, 13th to 17th centuries | Roe, Helen M. | Article in Journal | | 1979 |
| Illustrations of the Holy Trinity in Ireland, 13th-17th centuries | Roe, H. M. | Article in Journal | | 1980 |
| Images of stone | Hickey, Helen M. | Monograph or Collective Volume | Blackstaff Press | 1976 |
| Images, identities and ideologies : papers from the 22nd International Ballad Conference, Belfast, 29 June - 3 July 1992 | | Monograph or Collective Volume | Hisarlik | 1994 |
| Immigrant workers and industrial hazards : the Irish miners of Butte, 1880-1919 | Emmons, David M. | Article in Journal | | 1985 |
| 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 foreign fields: soldiers of Down in the Great War. The Down County Museum Collection | Hogg, NoelSimpson, M. Lesley | Article in Journal | | 2004 |
| In memoriam : Mary T. Hayden; died 12 July 1942 | Macken, Mary M. | Article in Journal | | 1942 |
| In memoriam : William V. Shannon (1927-1988) | Rischin, M. | Article in Journal | | 1989 |
| In search of the Eastwoods - 2 : Their origins and financial vagrancies | Eastwood, David M. | Article in Journal | | 1998 |
| Incomes, social classes and economic growth in Ireland and Scotland 1600-1900 | Cullen, L. M. (Louis Michael) | Article in Book | | 1983 |
| Indentured servants in eighteenth-century Maryland | Kellow, Margaret M. R. | Article in Journal | | 1984 |
| Index to Lecale Miscellany vols. 1 to 10, 1983-1992 | Wilson, Anthony M. | Article in Journal | | 1993 |
| Index to Lecale Miscellany [Volumes 1-16] | Wilson, Anthony M. | Article in Journal | | 1999 |
| Indian meal and pellagra in nineteenth-century Ireland | Chawford, E. M. | Article in Book | | 1982 |
| Industry in Waterford city, 1932-1962 | Hearne, John M. | Article in Book | | 1992 |
| Infant mortality in inter-war Northern Ireland | Browne, B. M.Johnson, D. S. | Article in Book | | 1988 |
| Infant Murder and the Death Penalty in Independent Ireland | Black, Lynsey ; Doyle, David M. | Article in Book | Hart Publishing | 2023 |
| Informalisation of metropolitan labour forces : the case of Irish immigrants in the New York construction industry | Corcoran, M. P. | Article in Journal | | 1991 |
| Inishowen heritage centre and folk museum, Bridgt St., Cardonagh | Gillen, M. | Article in Journal | | 1989 |
| Inniskeen, 1912-1918 : the political conversion of Bernard O'Rourke | Dooley, Terence A. M. | Monograph or Collective Volume | Four Courts | 2004 |
| Inscriptions on tombstones and monuments | Masterson, M. J. | Article in Journal | | 1937 |
| Insights into fifty years of episcopal elections (1774-1824) | Bolster, M. A. | Article in Journal | | 1972 |
| Insights into Kerry and the Habsburg Imperium, c.1500-c.1800 | Downey, Declan M. | Article in Book | | 2020 |
| Instructions, admonitions, etc. of Archbishop Carpenter, 1770-86 | | Article in Journal | | 1958 |
| Instruments of the Passion | Roe, Helen M. | Article in Journal | | 1983 |
| Insular Latin studies : papers on Latin texts and manuscripts of the British Isles, 550-1066 A.D. | | Monograph or Collective Volume | | 1981 |
| Insurrection fires at Eastertide : a golden jubilee anthology of the Easter rising | | Monograph or Collective Volume | Mercier Press | 1966 |
| Integration or assimilation? Scottish society, football and Irish immigrants | Bradley, Joseph M. | Article in Journal | | 1996 |
| Intermarriage in a divided society : Ireland a century ago | Ferinhaugh, AlanWalsh, Brendan M.Ó Gráda, Cormac | Article in Journal | | 2015 |
| Internal colonialism : the Celtic fringe in British national development, 1536-1966 | Hechter, M. | Monograph or Collective Volume | Routledge & Kegan Paul | 1975 |
| International terrorism in the contemporary world | | Monograph or Collective Volume | Greenwood Press | 1978 |
| Internecine warfare and the decline of the house of Desmond, c.1510-c.1541 | McCormack, Anthony M. | Article in Journal | | 1997 |
| Interpreting the constitution : essentially contested concepts | Clarke, Desmond M. | Article in Book | | 2008 |
| Into the West : a survey and reassessment of the two most westerly archaeological sites in Europe | Buckley, Victor M.Condit, TomO'Connor, Kieran | Article in Book | | 2007 |
| Introduction | Wooding, Jonathan M. | Article in Book | | 2010 |
| Introduction | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 1989 |
| Introduction | Hearne, John M. | Article in Book | | 2010 |
| Introduction | Prior, Pauline M. | Article in Book | | 2012 |
| Introduction | Charles-Edwards, T. M. (Thomas Mowbray)Owen, Morfydd E.Russell, Paul, 1956 Feb. 23- | Article in Book | | 2000 |
| Introduction | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 2003 |
| Introduction | Cronin, MikeRegan, John M., 1967- | Article in Book | | 2000 |
| Introduction : place, network, and the geographies of empire | Proudfoot, Lindsay J.Roche, Michael M. | Article in Book | | 2005 |
| Introduction : prehistoric and early Ireland | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 2005 |
| Introduction : Remembering the Religious History of A. E. (Tony) Cahill (1933-2004) and Patrick O'Farrell (1933-2003): | Carey, Hilary M. | Article in Journal | | 2007 |
| Introduction : the great famine and beyond : Irish migrants in Britain in the nineteenth and twentieth centuries | MacRaild, Donald M. | Article in Journal | | 1999 |
| Introduction : The Great Famine and beyond : Irish migrants in Britain in the nineteenth and twentieth centuries | MacRaild, Donald M. | Article in Journal | | 1999 |
| Introduction. Drawing the line, writing beyond it: toward a transnational history of partitions | Dubnov, Arie M.Robson, Laura | Chapter in Book | | 2019 |
| Introduction: Mathew Carey and Dublin | Bankhurst, BenjaminWolf, Nicholas M. | Article in Journal | | 2014 |
| Iona and Lindisfarne | Winmill, J. M. | Article in Journal | | 1953 |
| IRA 2.0 : continuing the long war-analyzing the factors behind anti-GFA violence | Frenett, Ross ; Smith, M. L. R. | Article in Journal | | 2012 |
| IRA 2.0 : continuing the long war-analyzing the factors behind anti-GFA violence | Frenett, Ross ; Smith, M. L. R. | Article in Journal | | 2012 |
| IRA activity in Kildare during the War of Independence | Dooley, Terence A. M. | Article in Book | | 2006 |
| IRA veterans and land division in independent Ireland, 1923-48 | Dooley, Terence A. M. | Article in Book | | 2003 |
| Ireland - gender, psychological health and attitudes towards emigration | Carlson, H. M.Nilson, E. L. | Article in Journal | | 1995 |
| Ireland - Maritime Canada - New England | Punch, Terrence M. | Article in Journal | | 2013 |
| Ireland 1880–2016: negotiating sovereignty and freedom | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | NA | 2018 |
| Ireland : its evils, and their remedies; being a refutation of the errors of the Emigration Committee ... | Sadler, M. T. | Monograph or Collective Volume | | 1829 |
| Ireland : the politics of independence, 1922-49 | | Monograph or Collective Volume | Macmillan | 2000 |
| Ireland among the Nations of the Earth : Ireland's foreign relations from 1923 to 1949 | Carroll, Francis M. | Article in Journal | | 2016 |
| Ireland and Britain under the union, 1800-1921 : an overview | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 1986 |
| Ireland and continental Europe : the historical dimension | Mac Niocaill, GearóidÓ Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 1984 |
| Ireland and France | Cullen, L. M. (Louis Michael) | Article in Book | | 1980 |
| Ireland and France, 17th-20th centuries : towards a comparative study of rural history | | Monograph or Collective Volume | Éditions de l'Ecole des Hautes Études en Sciences Sociales | 1980 |
| Ireland and French strategy during the American war of independence | Beresford, M. H. T. de la P. | Article in Journal | | 1979 |
| Ireland and Irishmen in eighteenth-century privateering | Cullen, L. M. (Louis Michael) | Article in Book | | 1975 |
| Ireland and its invaders, 1166-1186 | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Journal | | 2003 |
| Ireland and Palestine : united by partition? | Rast, M.C. | Article in Journal | | 2024 |
| Ireland and Scotland : famines and migrants | Cullen, L. M. (Louis Michael) | Article in Journal | | 1999 |
| Ireland and the making of American working class consciousness | Emmons, David M. | Article in Journal | | 1998 |
| Ireland before 3000 B.C. | O'Kelly, M. J. (Michael Joseph) | Article in Book | | 2005 |
| Ireland before the famine, 1798-1848 | Ó Tuathaigh, M. A. G. (Gearóid) | Monograph or Collective Volume | Gill & Macmillan | 1972 |
| Ireland from truce to treaty : war or peace? July to October 1921 | Lawlor, S. M. | Article in Journal | | 1980 |
| Ireland in French strategy during the American war of independence | Beresford, M. H. T. de la P. | Article in Journal | | 1977 |
| Ireland in Naval Strategy 1641-1691 | Kerrigan, Paul M. | Article in Book | | 2001 |
| Ireland in perspective | Barkley, John M. | Monograph or Collective Volume | British Council of Churches | 1989 |
| Ireland in the 18th century | Johnston, E. M. | Monograph or Collective Volume | | 1974 |
| Ireland since 1916 | Curran, Joseph M. | Article in Journal | | 1966 |
| Ireland through Tudor eyes | | Monograph or Collective Volume | Folcroft Library Editions | 1973 |
| Ireland through Tudor eyes. A dissertation in English . | Hinton, E. M. | Monograph or Collective Volume | | 1935 |
| Ireland under the Union : historiographical reflections | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Journal | | 2002 |
| Ireland's changing demographic structure | Walsh, Brendan M. | Monograph or Collective Volume | Gill & Macmillan | 1989 |
| Ireland's first (official) Olympic medals, London 1908 | White, Cyril M. | Article in Journal | | 2012 |
| Ireland's first engagement in United Nations peacekeeping operations : an assessment | Heaslip, Richard E. M. | Article in Journal | | 2006 |
| Ireland's historical position : 'colonial' or 'European' | Walker, B. M. (Brian Mercer) | Article in Journal | | 1990 |
| Ireland's land questions | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | NA | 2016 |
| Ireland's land questions : a historical perspective | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 1999 |
| Ireland's Magdalen laundries : confronting a history not yet in the past | O'Rourke, MaeveSmith, James M. | Article in Book | | 2016 |
| Ireland's Magdalen laundries and the nation's architecture of containment | Smith, James M., 1966- | Monograph or Collective Volume | University of Notre Dame Press | 2007 |
| Ireland's Magdalen laundries and the nation's architecture of containment | Smith, James M. | Monograph or Collective Volume | Manchester University Press | 2008 |
| Ireland's polemical past : views of Irish history in honour of R. V. Comerford | | Monograph or Collective Volume | University College Dublin Press | 2010 |
| Ireland's post crisis-election | Farrell, David M.Marsh, MichaelReidy, Theresa | Article in Book | | 2018 |
| Ireland's relations with the EEC : from the Treaties of Rome to membership | Fitzgerald, M. | Article in Journal | | 2001 |
| Ireland, 1800-1921 | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 1981 |
| Ireland, 1800-1970 | Collins, M. E. | Monograph or Collective Volume | [s.n.] | 1976 |
| Ireland, 1868-1966 | Collins, M. E. | Monograph or Collective Volume | Educational Company of Ireland | 1993 |
| Ireland, Australia and New Zealand : history, politics and culture | Geary, Laurence M.McCarthy, Andrew J. | Monograph or Collective Volume | Irish Academic Press | 2008 |
| Ireland, India, and nationalism in nineteenth-century literature | Wright, Julia M. | Monograph or Collective Volume | Cambridge University Press | 2007 |
| Ireland, its scenery, character. 3 vols. | Hall, A. M.Hall, S. C. | Monograph or Collective Volume | | 1841 |
| Ireland, New York, and the eighteenth-century Atlantic world | Truxes, Thomas M. | Article in Journal | | 2011 |
| Ireland, New York, and the eighteenth-century Atlantic world | Truxes, Thomas M. | Article in Journal | | 2011 |
| Ireland, religion and reform : Archbishop Richard Whately, 1831-63 | Boylan, Ciara M. | Thesis | | |
| Ireland-Australia transportation database, 1788-1868 | Hickey, Nora M. | Article in Journal | | 2008 |
| Irish agriculture and the great famine | Goldstrom, J. M. | Article in Book | | 1982 |
| Irish agriculture in early historic times | Duignan, M. V. (Michael V.) | Article in Journal | | 1944 |
| Irish Americans and the Anglo-Irish treaty of 1921 | Hopkinson, M. H. | Article in Book | | 1976 |
| Irish ancestors in the 'lost and found' of the 'Boston Pilot. 1846 | Punch, Terence M. | Article in Journal | | 1977 |
| Irish ancestors in the 'Lost and Found' of the'The Boston Pilot', 1840-41 | Punch, Terence M. | Article in Journal | | 1978 |
| Irish and Australian | Moran, M.P.A. | Article in Journal | | 2008 |
| Irish and Icelandic saga | Hoare, Dorothy M. | Article in Journal | | 1939 |
| Irish and Scotch-Irish ancestral research : a guide to the genealogical records, methods and sources in Ireland. 2 vols. | Falley, M. D. | Monograph or Collective Volume | | 1962 |
| Irish art societies and sketching clubs : index of exhibitors, 1870-1980 | Stewart, Ann M. | Monograph or Collective Volume | Four Courts | 1997 |
| Irish books printed abroad, 1475-1700 | Walsh, M. O'N. | Article in Journal | | 1963 |
| Irish bronze age horns and their relations with northern Europe | Coles, John M. | Article in Journal | | 1963 |
| Irish businessman and French courtier : the career of Thomas Sutton, comte de Clonard, c.1722-1782 | Cullen, L. M. (Louis Michael) | Article in Book | | 2000 |
| Irish cavalcade, 1550-1850 | MacManus, M. J. | Monograph or Collective Volume | Macmillan | 1939 |
| Irish culture in an English context. (review essay) | MacRaild, Donald M. | Article in Journal | | 1993 |
| Irish decorative art through the ages | O'Reilly, Gertrude M. | Article in Journal | | 1911 |
| Irish Diaspora | Barr, Colin | Article in Book | Oxford University Press | 2003 |
| Irish diocesan priests in southern Nigeria, 1920-42 | Cooke, Colm M., Rev. | Thesis | | 1971 |
| Irish economic history : fact and myth | Cullen, L. M. (Louis Michael) | Article in Book | | 1969 |
| Irish education in the British parliamentary papers in the nineteenth century and after (1801-1920) | Parkes, Susan M. | Monograph or Collective Volume | Cork University Press, History of Education Society | 1978 |
| Irish education, Church and state : an overview | Parkes, Susan M. | Article in Book | | 2013 |
| Irish election poll books, 1832-72 | Hoppen, K. Theodore, 1941-Walker, B. M. (Brian Mercer) | Article in Journal | | 1980 |
| Irish emigration : patterns, causes and effects | Walsh, Brendan M.Ó Gráda, Cormac | Article in Book | | 1994 |
| Irish emigration : patterns, causes and effects | Walsh, B. M.Ó Gráda, Cormac | Monograph or Collective Volume | [s.n.] | 1992 |
| Irish enterprise, English alchemy and the creation of a brand: the Waterford glassworks, 1783-1823 | Hearne, John M. | Article in Book | | 2010 |
| Irish families in Flanders | Cavenagh, W. M. | Article in Journal | | 1931 |
| Irish Field Club Union. Report of the Fourth Triennial Conference and Excursion, held at Sligo, July 12th to 18th, 1904. V - Archaeology | D'Evelyn, Alex., M.D. | Article in Journal | | 1904 |
| Irish genealogy and pseudo-genealogy | Gillespie, Fergus | Article in Book | | 1993 |
| Irish Georgian | Stoeltie, BarbaraStoeltie, IreneYpma, Herbert J. M. | Monograph or Collective Volume | Thames & Hudson | 1998 |
| Irish glassmaking in its wider context | Hearne, John M. | Article in Book | | 2010 |
| Irish Halifax : the immigrant generation, 1815-1859 | Punch, Terence M. | Monograph or Collective Volume | International Education Centre, St Mary's University, Halifax | 1981 |
| Irish health policy in perspective | Wiley, Miriam M. | Article in Book | | 1997 |
| Irish historic towns atlas : vol 1 : Kildare, Carrickfergus, Bandon, Kells, Mullingar, Athlone | | Monograph or Collective Volume | Royal Irish Academy | 1996 |
| Irish historical "revisionism" : state of the art or ideological project? | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 1994 |
| Irish history : a select bibliography. | Johnston, E. M. | Monograph or Collective Volume | | 1972 |
| Irish History Matters: Politics, identities and commemoration | Walker, Brian M. | Monograph or Collective Volume | The History Press | 2019 |
| Irish history without the potato | Cullen, L. M. (Louis Michael) | Article in Journal | | 1968 |
| Irish history without the potato | Cullen, L. M. (Louis Michael) | Article in Book | | 1987 |
| Irish history without villains? Some recent work on the 19th century | Waters, M. J. | Article in Journal | | 1972 |
| Irish houses; history, architecture, furnishing | Olbricht, K.-H.Wegener, H. M. | Monograph or Collective Volume | | 1984 |
| Irish identity | Walker, B. M. (Brian Mercer) | Article in Book | | 1996 |
| Irish immigrants from English ports in the eighteenth century | O'Brien, M. J. | Article in Journal | | 1919 |
| Irish immigrants in Scotland : their priests, politics and parochial life | Walker, W. M. | Article in Journal | | 1972 |
| Irish immigrants in the Canadas, 1833-1846 | Punch, Terence M. | Article in Journal | | 1990 |
| Irish immigrants to Atlantic Canada 1832-1846 | Punch, Terence M. | Article in Journal | | 1989 |
| Irish immigrants to New England - extracts from the minutes of the selectmen of the town of Boston, Mass. | O'Brien, M. J. | Article in Journal | | 1914 |
| Irish immigration and the "condition of England" question : the roots of an historiographical tradition | MacRaild, Donald M. | Article in Journal | | 1995 |
| Irish immigration and the ‘condition of England’ question : the roots of an historiographical tradition | MacRaild, Donald M. | Article in Journal | | 1995 |
| Irish immigration into England, 1798-1838 | Kerr, B.M. | Thesis | | 1939 |
| Irish interloping trade and colonial warfare in the 18th century | Truxes, Thomas M. | Article in Book | | 2010 |
| Irish Jewry in the 17th and 18th centuries | Weiner, Gordon M. | Article in Book | | 2001 |
| Irish land questions in the state of the Union | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | NA | 2013 |
| Irish leaders of our time 6, Sean Walls | MacCarthy, J. M. | Article in Journal | | 1945 |
| Irish life in rural Quebec : a history of Frampton | Redmond, Patrick M. | Monograph or Collective Volume | Adams Press | 1977 |
| Irish literary theory : from politeness to politics | Wright, Julia M. | Article in Book | | 2020 |
| Irish loyalty to American institutions | Graham, James M. | Article in Journal | | 1914 |
| Irish Manuscripts Commission survey of business records | Cullen, L. M. (Louis Michael) | Article in Journal | | 1983 |
| Irish merchants of old New York | Sullivan, A. M. | Article in Journal | | 1958 |
| Irish migrants in modern Britain 1750-1922 | MacRaild, Donald M. | Monograph or Collective Volume | St. Martin's Press | 1999 |
| Irish Migration, Networks and Ethnic Identities Since 1750 : An Introduction | Delaney, EndaMacRaild, Donald M. | Article in Journal | | 2005 |
| Irish migration, networks and ethnic identities since 1750 : an introduction | Delaney, EndaMacRaild, Donald M. | Article in Journal | | 2005 |
| Irish names in the 'Fraerie queen' | Smith, Ronald M. | Article in Journal | | 1946 |
| Irish national income in 1911 and its context | Cullen, L. M. (Louis Michael) | Monograph or Collective Volume | Economic and Social Research Institute | 1995 |
| Irish neutrality during World War II, with special reference to German sources | McLoughlin, Finbarr M. | Thesis | | 1979 |
| Irish origin-legends | O'Brien, M. A. (Michael Alphonsus) | Article in Book | | 1954 |
| Irish periodical literature, an untilled field | Kaln, R. M. | Article in Journal | | 1972 |
| Irish pioneers in Hartford county, Connecticut : extracts from the land, church, probate and military records | O'Brien, M. J. | Article in Journal | | 1928 |
| Irish place-names and local folk-lore | Darby, M. | Article in Journal | | 1899 |
| Irish Politics and Labour: Transnational and Comparative Perspectives, 1798-1914 | Hughes, KyleMacRaild, Donald M. | Article in Book | | 2014 |
| Irish population, economy and society : essays in honour of the late K.H. Connell | | Monograph or Collective Volume | Clarendon Press | 1982 |
| Irish Presbyterian missionaries to mid-nineteenth-century German Jews | Railton, Nicholas M. | Article in Book | | 2015 |
| Irish public histories as an historiographical problem | Regan, John M., 1967- | Article in Journal | | 2010 |
| Irish public opinion and the American civil war | Hernon, Joseph M. | Thesis | | 1963 |
| Irish religious opinion on the American Civil War | Hernon, Joseph M. | Article in Journal | | 1964 |
| Irish repealers at Halifax, Nova Scotia, in 1843 | Punch, Terence M. | Article in Journal | | 1978 |
| Irish research in Australia | Harrison, Jennifer | Article in Book | | 1993 |
| Irish sculpture portraying the five wounds of Our Saviour | Phelan, Margaret M. | Article in Book | | 1987 |
| Irish seasonal migration to Great Britain, 1800-38 | Kerr, B. M. | Article in Journal | | 1943 |
| Irish secrets : German espionage in Ireland, 1939-1945 | Hull, Mark M. | Monograph or Collective Volume | Irish Academic Press | 2003 |
| Irish settlement in the United States, 1850-1980 | Winsberg, M. D. | Article in Journal | | 1985 |
| Irish settlers in Connecticut in the seventeenth and eighteenth centuries | O'Brien, M. J. | Article in Journal | | 1925 |
| Irish settlers in Orange county, New York | O'Brien, M. J. | Article in Journal | | 1928 |
| Irish settlers in Pennsylvania | O'Brien, M. J. | Article in Journal | | 1906 |
| Irish settlers in Queen's county, city of New York | O'Brien, M. J. | Article in Journal | | 1928 |
| Irish sheela-na-gigs in 1935 | Guest, E. M. | Article in Journal | | 1936 |
| Irish sources in Kensington Public Library | De Montfort, Simon L. M. | Article in Journal | | 2000 |
| Irish studies | Dillon, M. | Article in Book | | 1936 |
| Irish studies : a general introduction | | Monograph or Collective Volume | Gill & Macmillan | 1988 |
| Irish support of the abolitionist movement | Oldham, Elllen M. | Article in Journal | | 1958 |
| Irish sympathy for the southern confederacy | Hernon, Joseph M. | Article in Journal | | 1967 |
| Irish towns and villages | Cullen, L. M. (Louis Michael) | Monograph or Collective Volume | Eason | 1979 |
| Irish travellers at Knock : contesting sacred space | Brownlee, Attracta M. | Article in Journal | | 2011 |
| Irish urban cultures | | Monograph or Collective Volume | Institute of Irish Studies, QUB | 1993 |
| Irish warfare before 1100 | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 1996 |
| Irish women in the R.A.F. | Maguire, MollySinclair, M. | Article in Journal | | 2001 |
| Irish wrecks of the great Armada : the testimony of the survivors | Higueras, D.San Pio, M. P. | Article in Book | | 1990 |
| Irish, Scottish, Welsh and English worlds? The historiography of a four-nations approach to the history of the British Empire | Mackenzie, John M. | Article in Book | | 2010 |
| Irish-American Trade, 1660-1783 | Truxes, Thomas M. | Monograph or Collective Volume | Cambridge University Press | 1988 |
| Irish-American women and political activism in the early twentieth century | McCarthy, Tara M. | Article in Book | | 2024 |
| Irish-Australian monuments and the discourse of the Celtic revival | Wooding, Jonathan M. | Article in Book | | 1994 |
| Irish-born loyalist officers in the American revolutionary war | Punch, Terence M. CM, FIGRS | Article in Journal | | 2015 |
| Irish-European integration : The legacy of Charles V | Downey, Declan M. | Article in Book | | 2003 |
| Irlandia v poiskakh putei nezavisimogo razvitiia, 1945-48 | Orlova, M. E. | Monograph or Collective Volume | [s.n.] | 1973 |
| Irlandiia v bor'be za svoiu nezavisimost'. | Kerzhentsev, P. M. | Monograph or Collective Volume | | 1936 |
| Irlandija v bor'be za svoju nezavisimost' | Kerzhentsev, P. M. | Monograph or Collective Volume | Socekgiz | 1938 |
| Isabella's Tower and the Ward of Ardglass | Wilson, Anthony M. | Article in Journal | | 1996 |
| Isidore of Seville and early Irish cosmography | Smyth, M. | Article in Journal | | 1987 |
| Isidoriana, 1 : Sobre el 'liber de ordine creaturarum' | Díaz y Díaz, M. C. | Article in Journal | | 1953 |
| Island and coastal churches in medieval Wales and Ireland | Wooding, Jonathan M. | Article in Book | | 2007 |
| Isle of the saints : monastic settlement and Christian community in early Ireland | Bitel, Lisa M., 1958- | Monograph or Collective Volume | Cornell University Press | 1990 |
| Isle of the saints : monastic settlement and Christian community in early Ireland | Bitel, Lisa M., 1958- | Monograph or Collective Volume | Cork University Press | 1993 |
| It was in human nature to love one’s native land and make sacrifices for it’ | Wooding, M. Jonathan | Article in Journal | | 2007 |
| Italian merchant bankers and the collection of papal revenues in Ireland in the thirteenth century | O'Sullivan, M. D. (Mary Donovan) | Article in Journal | | 1947 |
| Italian merchant bankers and the collection of the customs in Ireland, 1275-1311 | O'Sullivan, M. D. (Mary Donovan) | Article in Book | | 1961 |
| Italian merchant bankers in Ireland in the thirteenth century : a study in the social and economic history of medieval Ireland | O'Sullivan, M. D. (Mary Donovan) | Monograph or Collective Volume | Allen Figgis | 1962 |
| Items of forestry interest from the Irish statutes prior to 1800 | Anderson, M. L. | Article in Journal | | 1944 |
| J. F. R. Martin, racing motor cyclist | Ballard, Linda M. | Article in Journal | | 1998 |
| J.F. Martin, racing motor cyclist | Ballard, L. M. | Article in Journal | | 1995 |
| Jacobin Revolutionary Theatre and the Early Circus : Astley's Dublin Amphitheatre in the 1790s | Burke, Helen M. | Article in Journal | | 2006 |
| Jacopo Bisagni's "Amrae Coluimb Chille" | Charles-Edwards, T.M. | Article in Journal | | 2021 |
| James Carruthers, a Belfast antiquarian collector | Cahill, MaryIreland, Aideen M.Ó Floinn, Raghnall | Article in Book | | 2004 |
| James Connolly : the forerunner | Fox, R. M. | Monograph or Collective Volume | Kerryman | 1947 |
| James Connolly's doctor | Hickey, Nora M. | Article in Journal | | 2022 |
| James Duffy, the Young Ireland publisher | MacManus, M. J. | Article in Book | | 1945 |
| James Hogan : a biographical sketch | Hogan, E. M. | Article in Book | | 2001 |
| James McCoo, a social reformer | Clendinning, K.M. | Article in Journal | | 2010 |
| James Southwell, usurer 1641-1729 | Fraser, A. M. | Article in Journal | | 1946 |
| James Sullivan of Berwick, Maine | Sullivan, A. M. | Article in Journal | | 1954 |
| James Ussher and the "Ussherian" episcopacy, 1640-16556: the primate and his 'Reduction' manuscript | Abbott, W. M. | Article in Journal | | 1990 |
| Jesuit Nuncios to Tudor Ireland | McCoog, Thomas M. | Article in Book | | 2002 |
| Jewish genealogy in Ireland | Benson, Asher | Article in Book | | 1993 |
| Jim Bourke, d.2017 | M., P. | Article in Journal | | 2017 |
| Jim Larkin : the rise of the underman | Fox, R. M. | Monograph or Collective Volume | Lawrence and Wishart | 1957 |
| Joe Howe and the Irish | Punch, Terence M. | Article in Journal | | 1982 |
| Joe Metcalfe - the fiery union man from Bray | Connolly, Ross M. | Article in Journal | | 1986 |
| John and Robert Mallet, 1780-1881 | Tutty, M. J. | Article in Journal | | 1976 |
| John Bale's vocation. A side-light on Reformation days in Ireland | Dunne, M. A. | Article in Journal | | 1909 |
| John Carroll and Louisiana | Melville, Annabelle M. | Article in Journal | | 1978 |
| John Condon | Roper, M. | Article in Journal | | 2001 |
| John Connick in Ireland 1746-1755 | Harris, F. M. | Article in Journal | | 1982 |
| John Dalton and the London atomists: William and Bryan Higgins, William Austin, and new Daltonian doubts about the origin of the atomic theory | Grossman, M. I. (Mark I.) | Article in Journal | | 2017 |
| John Dalton and the origin of the atomic theory. Reassessing the influence of Bryan Higgins | Grossman, M. I. (Mark I.) | Article in Journal | | 2017 |
| John de Courcy and the battle of Down | Wilson, Anthony M. | Article in Journal | | 1989 |
| John F. Hurley : Salem's first hurrah | Maloney, Joan M. | Article in Journal | | 1992 |
| John Graunt, Sir William Petty, and Swift's Modest Proposal | Briggs, Peter M. | Article in Journal | | 2005 |
| John Manderville and the Irish Crimes Act of 1887 | Geary, Laurence M. | Article in Journal | | 1987 |
| John Mandeville and the Irish Crimes Act of 1887 | Geary, Laurence M. | Article in Journal | | 1987 |
| John Marcus O'Sullivan | Macken, Mary M. | Article in Journal | | 1948 |
| John McCormack, 1884-1945 | Aiken, M. | Article in Journal | | 1947 |
| John Millington Synge : a biography | Kiely, David M. | Monograph or Collective Volume | Gill & Macmillan | 1994 |
| John Milner Barry and public health in early nineteenth-century Cork | Geary, Laurence M. | Article in Journal | | 2001 |
| John Mitchel | O'Neill, M. | Article in Book | | 1945 |
| John Mitchel's Confederate army sons | Higgins, M.A. | Article in Journal | | 2010 |
| John O'Kane (Senior), farmer. Maine townland, Drumsurn, Co. Derry, 1781-1865 | Bryson, P.Higgins, M. A. | Article in Journal | | 2007 |
| John Philip Holland and his submarine | Sullivan, A. M. | Article in Journal | | 1960 |
| John Pius Boland's Olympic tennis diploma | White, Cyril M. | Article in Journal | | 2012 |
| John Ponce's response to Kenelm Digby's 'A discourse concerning infallibility in religion' (Paris, 1652) | | Article in Journal | | 2012 |
| John Rhys, Celtic studies and the Welsh past | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 2013 |
| John Smith and the Molesworth circle | Stewart, M. A. | Article in Journal | | 1987 |
| John T. McNicholas in the age of practical thomism | Avella, S. M. | Article in Journal | | 1986 |
| John Windele's antiquarian scholarship | Cahill, MaryIreland, Aideen M. | Article in Book | | 2009 |
| Johnswell | Hegarty, M. | Article in Journal | | 1957 |
| Jonathan Swift : a critical biography | Murry, J. M. | Monograph or Collective Volume | Cape | 1954 |
| Joseph Damer - a banker of old Dublin | Fraser, A. M. | Article in Journal | | 1941 |
| Journeys in Ireland : literary travellers, rural landscapes, cultural relations | Ryle, M. | Monograph or Collective Volume | Ashgate | 1999 |
| Joyce family values : treason, nationality and the case of ‘Lord Haw-Haw’s’ Irish cousin | Douglas, R. M. | Article in Journal | | 2014 |
| Judge Bodkin and the 1916 Rising : a letter to his son | Larkin, Felix M. | Article in Book | | 2006 |
| Kate O'Brien : a critical study | Dalsimer, Adele M. | Monograph or Collective Volume | [s.n.] | 1990 |
| Katharine O'Shea and C.S. Parnell | Callaghan, M. R. | Article in Book | | 1991 |
| Kathleen Blake Coleman : an Irishwoman becomes a Canadian pioneer journalist, 1889-1915 | Freeman, Barbara M. | Article in Journal | | 1990 |
| Katie O'Neill weaver and mill worker | Cantwell, AnnPhelan, Margaret M. | Article in Journal | | 1992 |
| Kealkill alignment and the Sirius connection | Stafford, Lawrence M. | Article in Journal | | 2000 |
| Kenneth H. Connell : an appreciation | Hartwell, R. M. | Article in Journal | | 1974 |
| Kerry during the great famine, 1845-52 | Foley, Timothy Kieran M. | Thesis | | 1997 |
| Kevin O'Higgins, Irish republicanism and the conservative counter-revolution | Regan, John M., 1967- | Article in Book | | 1999 |
| Kilcash and the Butlers | Lanigan, K. M. | Article in Journal | | 1985 |
| Kilcooley : foundation and restoration | Moloney, M. | Article in Journal | | 1944 |
| Kildare and the Kingdom of God: a new reading of Cogitosus' 'Vita Sanctae Brigitae' | Krajewski, Elizabeth M.G. | Article in Journal | | 2017 |
| Kildare place : the history of the Church of Ireland Training College and College of Education, 1811-2010 | Parkes, Susan M. | Monograph or Collective Volume | CICE | 2011 |
| Kildare Place : the history of the Church of Ireland Training College, 1811-1969 | Parkes, Susan M. | Monograph or Collective Volume | Church of Ireland College of Education | 1984 |
| Kilkenny : its architecture and history | | Monograph or Collective Volume | An Taisce | 1977 |
| Kilkenny : its architecture and history. | | Monograph or Collective Volume | Appletree Press | 1987 |
| Kilkenny and the Black Abbey | Gaffney, H. M. | Monograph or Collective Volume | Kilkenny People | 1951 |
| Kilkenny Archaeological Society 1945-1994 : personnel | Phelan, Margaret M. | Article in Journal | | 1995 |
| Kilkenny Archaeological Society, 1945-1994 | Phelan, Margaret M. | Article in Journal | | 1994 |
| Kilkenny Castle | Lanigan, K. M. | Monograph or Collective Volume | The author | 1967 |
| Kilkenny castle : one hundred years of change 1850-1950 | Dooley, Terence A. M. | Article in Book | | 2000 |
| Kilkenny Cathedral treasure trove | Ireland, Aideen M. | Article in Book | | 1997 |
| Killashee, Co. Longford | Ó Connalláin, M. | Article in Journal | | 1946 |
| Killery - an artifical adjunct of Tirerril | Connellan, M. J. | Article in Journal | | 1951 |
| Killeshin and Sletty | Comerford, M., P.P. | Article in Journal | | 1883 |
| Killruddery Co. Wicklow : a timeless garden with a sense of peace | Davies, K. M. (Kathleen Mary) | Article in Journal | | 1992 |
| Kilmurry | Lanigan, K. M. | Article in Journal | | 1967 |
| Kilrush documents | Ireland, Aideen M. | Article in Journal | | 1981 |
| Kindling the Singing Flame : The destruction of the Public Record Office (30 June 1922), as a historical problem | Regan, John M. | Article in Book | | 2016 |
| Kindling the Singing Flame: the destruction of the Public Record Office (30 June 1922) as a historical problem | Regan, John M. | Article in Journal | | 2015 |
| King Dan : the rise of Daniel O'Connell, 1775-1829 | Geoghegan, Patrick M. | Monograph or Collective Volume | Gill & Macmillan | 2008 |
| King John : his royal progress through Ulster 1210 | Wilson, Anthony M. | Article in Journal | | 2001 |
| King of the Irish roads | Bianconi, M. O'C.Watson, S. J. | Monograph or Collective Volume | Allen Figgis | 1962 |
| Kingsbridge terminus | Jacob, Wm. J. | Article in Journal | | 1944 |
| Kinsale temperance hall and Canon John O'Mahony | Hickey, N. M. | Article in Journal | | 1986 |
| Kinship, status and the origins of the hide | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Journal | | 1972 |
| Kissing Chicago's Blarney stone | Kavanagh, M. D. | Article in Journal | | 2015 |
| Kit's kingdom : the journalism of Kathleen Blake Coleman | Freeman, Barbara M. | Monograph or Collective Volume | Carleton University Press | 1989 |
| Kitty O'Shea : A Life of Katharine Parnell | Callaghan, M. R. | Monograph or Collective Volume | Pandora | 1989 |
| Knocktopher | Phelan, Margaret M. | Article in Journal | | 1987 |
| Knowing and Unknowing Tuam: State Practice, the Archive and Transitional Justice | Smith, James M. | Article in Book | | 2022 |
| L'Irlande dans la crise universelle, 1914-1917 | Goblet, Y. M. | Monograph or Collective Volume | Alcan | 1918 |
| L'Organum à Landevennec au IXe siècle | Huglo, M. | Article in Journal | | 1986 |
| La experiencia Americana : una perspectiva catolica Irlandesa | Durkin, M. | Article in Journal | | 1977 |
| La grande vierge des Celtes d'Irlande en Petite Bretagne | Duval, M. | Article in Book | | 1977 |
| La Paz de Westfalia, vista desde Irlanda | Downey, Declan M. | Article in Book | | 1999 |
| La sublevación de Shane O'Neil contra Isabel de Inglaterra | Fernández, M. | Article in Journal | | 1950 |
| La Touche bridge to Hoggen Green | Daly, M. H. | Article in Journal | | 1945 |
| La transformation de la géographie politique de l'Irlande au 17e siècle dans les cartes et essais anthropogéographiques de Sir William Petty 2 vols. | Goblet, Y. M. | Monograph or Collective Volume | | 1930 |
| Labba Mologa, Co. Cork | Clery, R. M. | Article in Journal | | 2000 |
| Lady Gregory : the woman behind the Irish renaissance | Kohfeldt, M. L. | Monograph or Collective Volume | | 1985 |
| Laggan personalities of 1798 | Campbell, S. M. | Article in Journal | | 1978 |
| Lambert Simnel in Ireland | Hayden, M. T. | Article in Journal | | 1915 |
| Land and politics in independent Ireland, 1923-48 : the case for reappraisal | Dooley, Terence A. M. | Article in Journal | | 2004 |
| Land and the people | Dooley, Terence A. M. | Article in Book | | 2014 |
| Land League memories | Hayes, J. M. | Article in Journal | | 1946 |
| Land of women : tales of sex and gender from early Ireland | Bitel, Lisa M., 1958- | Monograph or Collective Volume | Cornell University Press | 1996 |
| Land tenure in east Westmeath and its influence upon the state of agriculture, 1820-40 | Kenny, M. | Article in Journal | | 1978 |
| Land use in Goodland townland, Co. Antrim, from neolithic times until today | Case, H. J.Dimbleby, G. W.Mitchell, G. F. (George Francis), 1912-1997Morrison, M. E. S.Proudfoot, V. B. | Article in Journal | | 1969 |
| Landgartha and the Irish dilemma | Shaw, Catherine M. | Article in Journal | | 1978 |
| Landlord supremacy in 19th century Carlow. From domination to dismissal | Brennan, M.J. | Article in Journal | | 2010 |
| Landlords and mortgagees in late nineteenth-century Ireland : the case of Lord Granard and the trustees of Maynooth College, 1871-89 | Dooley, Terence A. M. | Article in Journal | | 1998 |
| Landlords and the land question, 1879-1909 | Dooley, Terence A. M. | Article in Book | | 2000 |
| Landlords, bankers and merchants : the early Irish banking world, 1700-1820 | Cullen, L. M. (Louis Michael) | Article in Journal | | 1983 |
| Landowners and parliamentary elections in County Down, 1801-1921 | Walker, B. M. (Brian Mercer) | Article in Book | | 1997 |
| Landscape with two saints : how Genovefa of Paris and Brigit of Kildare built Christianity in barbarian Europe | Bitel, Lisa M., 1958- | Monograph or Collective Volume | Oxford University Press | 2009 |
| Landscape, Gender, and Ethnogenesis in Pre-Norman Invasion Ireland | Bitel, Lisa M., 1958- | Article in Book | | 2002 |
| Language and politics : Northern Ireland, the Republic of Ireland and Scotland | | Monograph or Collective Volume | Cló Ollscoil na Bánríona | 2000 |
| Language and society among the insular Celts A.D. 400-1000 | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 1995 |
| Language, ideology and national identity | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 2005 |
| Languages and identities | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | NA | 2016 |
| Large prehistoric enclosures in Ireland | Davies, OliverMogey, J. M. | Article in Journal | | 1946 |
| Larry Doyle and Nova Scotia | Punch, Terence M. | Article in Book | | 1986 |
| Las hermanas de al misericordia (Irlandesas) : apuntes históricos sobre sus cien años en la Argentina, 1856-1956 | Ussher, Santiago M. | Monograph or Collective Volume | [s.n.] | 1955 |
| Late eighteenth-century Belfast and St Mary's, Chapel Lane | Barkley, John M. | Article in Journal | | 1986 |
| Late eighteenth-century politicization in Ireland : problems in its study and its French links | Cullen, L. M. (Louis Michael) | Article in Book | | 1991 |
| Late prehistoric recycling at Ballyboley, County Antrim | Chapple, Robert M. | Article in Journal | | 2007 |
| Later bronze age settlement and prehistoric burials, Lough Gur, Co. Limerick | Cleary, Rose M. | Article in Journal | | 1995 |
| Latin's place in railway history | Moriarty, Tim B.A., M.L.S., Hon. Librarian | Article in Journal | | 2016 |
| Law, railways and bookbinders : the society's books, bindings and restoration work | Moriarty, Tim B.A., M.L.S., Hon. Librarian | Article in Journal | | 2013 |
| Lawyers, the law and history : Irish Legal History Society discourses and other papers, 2005 - 2011 | | Monograph or Collective Volume | Four Courts|Irish Legal History Society | 2013 |
| Le mot locus employé dans le sens de monastère | Dimier, M. A. | Article in Journal | | 1970 |
| Le visioni di S. Fursa | | Article in Journal | | 1984 |
| Leabhair na mBairéadach : Léas ar an Athbheochain | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Journal | | 2017 |
| Leadership and Independent Ireland's performance since 1922 : a historiographical perspective on Lee's assessment | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | NA | 2024 |
| Lease abstracts for the Clones estate, Co. Monaghan | Schlegel, Donald M. | Article in Journal | | 2003 |
| Lebor na Cert and clientship | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 2013 |
| Legislative and executive relations in the Republic of Ireland | Arkins, Audrey M. | Article in Journal | | 1990 |
| Les noms de lieux irlandais dans l'oeuvre de Sir William Petty | Goblet, Y. M. | Monograph or Collective Volume | Berger-Levrault | 1930 |
| Lessons from history | Fealy, Gerard M.O'Doherty, Mary | Article in Book | | 2005 |
| Letter from a Novice at St Isidore's College, Rome, in the Early Nineteenth Century and its annotations | Cunningham, John M.
| Article in Journal | | 2021 |
| Letterbook of Greg and Cunningham, 1756-57 : merchants of New York and Belfast | | Monograph or Collective Volume | Oxford University Press for the British Academy | 2001 |
| Letters and Leaders of My Day. 2 vols. | Healy, Timothy M. | Monograph or Collective Volume | | 1928 |
| Letters from home | Punch, Terence M. | Article in Journal | | 1975 |
| Letters from Ireland during the famine of 1847 | Snell, K. D. M.Somerville, Alexander | Monograph or Collective Volume | Irish Academic Press | 1994 |
| Letters of a penal priest | | Article in Journal | | 1942 |
| Letters of Edward FitzGerald | | Monograph or Collective Volume | | 1960 |
| Liber de ordine creaturarum, un anónimo Irlandes del siglo VII; estudio y edición crítica | Díaz y Díaz, M. C. | Monograph or Collective Volume | Universidad de Santiago de Chile | 1972 |
| Liberal rule through non-liberal means: the attempted settlement of Irish Travellers (1955-1975) | Crowley, Una M. | Article in Journal | | 2005 |
| Liberator : the life and death of Daniel O'Connell 1830-47 | Geoghegan, Patrick M. | Monograph or Collective Volume | Gill and Macmillan | 2010 |
| Librarians, poets and scholars : a festschrift for Dónall Ó Luanaigh | | Monograph or Collective Volume | Four Courts in association with the National Library of Ireland Society | 2007 |
| Life and death in a county Antrim tower house | Hurl, DeclanMurphy, Eileen M. | Article in Journal | | 1996 |
| Life and death in Medieval Gaelic Ireland: the skeletons from Ballyhanna, Co. Donegal | McKenzie, Catriona JMurphy, Eileen M. | Monograph or Collective Volume | Four Courts press | 2018 |
| Life and times of William Findley | Ewing, Robert M. | Article in Journal | | 1919 |
| Life at Overton House | Hickey, N. M. | Article in Journal | | 1985 |
| Life in Ireland | Cullen, L. M. (Louis Michael) | Monograph or Collective Volume | Batsford | 1968 |
| Life in Tudor Limerick: William Good's 'Annual Letter' of 1566 | Houliston, VictorMcCoog, Thomas M. | Article in Journal | | 2016 |
| Life of Sir John T. Gilbert ... Irish historian and archivist, vice-president of the Royal Irish Academy, secretary of the Public Record Office of Ireland | Gilbert, R. M. (Rosa Mulholland) | Monograph or Collective Volume | | 1905 |
| Life of St Finbarr : founder and patron of the city and diocese of Cork | O'Brien, C. M. | Monograph or Collective Volume | Killarney Printing Works | 1985 |
| Life of the Rt. Rev. William Reeves | Ferguson, M. C., Lady | Monograph or Collective Volume | | 1893 |
| Life on the land | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 1998 |
| Lifting the mist : recent studies on the Scots and the Irish | Toner, Peter M. | Article in Journal | | 1988 |
| Lilliput and lepracan : Gulliver and the Irish tradition | Grennan, M. R. | Article in Journal | | 1945 |
| Limerick : history and society : interdisciplinary essays on an Irish county | | Monograph or Collective Volume | Georgraphy Publications | 2009 |
| Limerick and Gerald Griffin | Moloney, M. | Article in Journal | | 1940 |
| Limerick Civic Trust : the first 25 years, 1983-2008 | Leonard, Denis M. | Monograph or Collective Volume | Limerick Civic Trust | [2008] |
| Limerick O'Shaughnessys : an overview | Feheney, John P. M. | Article in Journal | | 1993 |
| Limerick's fighting story, 1916-21 : told by the men who made it | | Monograph or Collective Volume | The Kerryman | 1948 |
| Limerick's patron | Maloney, M. | Article in Journal | | 1957 |
| Lisburn conference : ‘linen in Europe’, 16-19 April 1998 ; Irish Linen Centre and Lisburn Museum, Co. Antrim, Northern Ireland | Levey, Santina M. | Article in Journal | | 1998 |
| Lislaughtin abbey | Mc Gelligott, M. G. | Article in Journal | | 1997 |
| List of commons in 1773 | Johnston, E. M. | Article in Book | NA | 1963 |
| Little rivers of Dublin | O'Brennan, Lily M. | Article in Journal | | 1940 |
| Lives cut short - Insights from the osteological and palaeopathological analysis of the Ballyhanna juveniles | Murphy, Eileen M. | Article in Book | | 2015 |
| Lloyd George and the Irish settlement, 1921-2 | Curran, J. M. | Article in Journal | | 1972 |
| Local economics in the Clogher Valley, 1790-1811 | Cox, J. M. | Article in Journal | | 1970 |
| Local office holding and the gentry of Queen's County c.1660-1760 | Beaumont, D. M. | Article in Book | | 1999 |
| Local traditions : place-names | O'Brien, M. A. (Michael Alphonsus) | Article in Book | | 1957 |
| Loch Airill | Connellan, M. J. | Article in Journal | | 1946 |
| London's Irish merchant community and North Atlantic commerce in the mid-eighteenth century | Truxes, Thomas M. | Article in Book | | 2007 |
| Long forgotten days (leading to Waterloo) | | Monograph or Collective Volume | | 1928 |
| Looking at Mick again : demilitarising Michael Collins | Regan, John M., 1967- | Article in Journal | | 1995 |
| Looking at the pictures : art and artfulness in colonial Ireland | O'Neill, Kevin | Article in Book | | 1993 |
| Looking backward : Commodore Barry County Club in Twin Lakes, Wisconsin | Greeley, Andrew M. | Article in Journal | | 1979 |
| Looking over my shoulder : life for an O’Brien family from the townland of Carrownakilly in 19th-century Ireland | O’Brien, Patrick M., 1953- | Monograph or Collective Volume | [The author] | 2014 |
| Lord Castlereagh | Geoghegan, Patrick M. | Monograph or Collective Volume | Dundalgan Press for the Historical Association of Ireland | 2002 |
| Lord Clare's Pier 'has gone to decay' : some notes on the location of an early 17th century at Carrigaholt | Chapple, Robert M. | Article in Journal | | 2001 |
| Lord Frederick Cavendish and the Phoenix Park murders of 1882 | Larkin, Felix M. | Article in Journal | | 2014 |
| Lords of Downpatrick 1512-1617 | Wilson, Anthony M. | Article in Journal | | 1991 |
| Los capellanes Irlandeses en la colectividad hiberno-argentina durante el siglo xix | Ussher, Santiago M. | Monograph or Collective Volume | [s.n.] | 1954 |
| Los irlandeses y la Inquisición portuguesa (siglos XVI-XVIII) | Mendes Drumond Braga, Isabel M.R. | Article in Journal | | 2001 |
| Lough Derg and its unusual 'guardian' Rev. Alexander Calhoun, grandfather of John Caldwell Calhoun, vice-president of the U.S.A. | Cunningham, John B. 1944-,Whalley, M. A. | Article in Journal | | 1981 |
| Louie Bennett : her life and times | Fox, R. M. | Monograph or Collective Volume | Talbot Press | 1958 |
| Lurgan free library before Carnegie | Weatherup, D. R. M. | Article in Journal | | 1988 |
| Mac Domhnaill Clainn Ceallaigh | Schlegel, Donald M. | Article in Journal | | 2005 |
| Mad, not bad : crime, mental disorder and gender in nineteenth-century Ireland | Prior, Pauline M. | Article in Journal | | 1997 |
| Madness and murder : gender, crime and mental disorder in nineteenth-century Ireland | Prior, Pauline M. | Monograph or Collective Volume | Irish Academic Press | 2008 |
| Magistrates for county Dublin in 1852 | | Article in Journal | | 1999 |
| Mahonys & the Commonwealth war graves : Parts 1-3, 5 | Hickey, Nora M. | Article in Journal | | 2005 |
| Maigh Nuad agus stair na Gaeilge | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 1995 |
| Máirtín Ó Cadhain, an stair agus an pholaitíocht : athmhachnamh | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | NA | 2007 |
| Making a niche : the Green Party in Northern Ireland | Stephens, Judith M. | Thesis | | |
| Making history : antiquaries in Britain, 1707-2007 | | Monograph or Collective Volume | Royal Academy of Arts | 2007 |
| Malahide Castle | Tutty, M. J. | Article in Journal | | 1978 |
| Malcolmsons of Portlaw and Clonmel : some new evidence on the Irish cotton industry 1825-50 | Bielenberg, AndyHearne, John M. | Article in Journal | | 2006 |
| Male defendents and infanticide in mid-Twentieth century Ireland | Maguire, Moira M. | Article in Journal | | 2016 |
| Man, landscape and roads : the changing eighteenth century | Cullen, L. M. (Louis Michael) | Article in Book | | 1986 |
| Manuscripts of genealogical interest in Trinity College, Dublin | Evans, M. D. | Article in Book | | 1996 |
| Manx Crosses: A handbook of Stone Sculpture 500-1040 in the Isle of Man | Wilson, David M. | Monograph or Collective Volume | Archaeopress Publishing Ltd, | 2018 |
| Mapping discourse: the Ordnance Survey of Ireland, 1824-1842: ethnography, typography, translation | Ó Cadhla, Stiofán M. | Thesis | | 2002 |
| Mapping the Realm : A New Look at the Gough Map of Britain (c.1360) | Campbell, B. M. S.Lilley, Keith D.Lloyd, Christopher D. | Article in Journal | | 2009 |
| Mapping the terrain of female education in Ireland, 1830-1910 | Harford, JudithParkes, Susan M.Raftery, Deirdre | Article in Journal | | 2010 |
| Margaret McNair Stokes (1832-1900): negotiating cultural values within nineteenth-century Irish antiquarian discourse | NicGhabhann, Niamh ; Thomas, Colleen M. | Article in Journal | | 2020 |
| Marginal but not alienated : confessions of a loudmouthed Irish priest | Greeley, Andrew M. | Article in Journal | | 1974 |
| Marguerite Power - Countess of Blessington | Fraser, A. M. | Article in Journal | | 1956 |
| Maria Edgeworth as a social novelist | Millhauser, M. | Article in Journal | | 1938 |
| Maria Montessori - her links with Waterford | Cummins, M.Phelan, M. Josepha | Article in Journal | | 1996 |
| Mark Waldron, Cove, Ballyhaunis Co. Mayo, 10th January 1997 (obituary) | W., M. | Article in Journal | | 1997 |
| Markets and price fluctuations in England and Ireland, 1785-1913 | Kennedy, LiamSolar, Peter M. | Article in Book | | 2014 |
| Marriage by purchase in early Irish law | Eska, Charlene M. | Article in Book | | 2011 |
| Marriage in Ireland in the twentieth century | Walsh, Brendan M. | Article in Book | | 1985 |
| Marriage rates and population pressure : Ireland, 1871 and 1911 | Walsh, B. M. | Article in Journal | | 1970 |
| Marriages between offspring of Shane McBrien O'Neill and Cahal O'Hara of Crebilly : wherefores and effects on succession to the Shane's Castle, 1695-1719 | O'Hara, Brian M.Shafer, Stephen Q. | Article in Journal | | 2015 |
| Mary Cumming's letters home to Lisburn from America 1811-1815 | | Monograph or Collective Volume | Impact-Amergin | 1982 |
| Mary Mandeville, 'A narrative of my husband's treatment at Tullamore, as stated by to him to me on his return' | Geary, Laurence M. | Article in Journal | | 1988 |
| Mary, Kitty and Rita - the three Harte sisters | Phelan, Margaret M. | Article in Journal | | 1999 |
| Masquerade : treason, the Holocaust and an Irish imposter | Hull, Mark M.Moynes, Vera, 1970- | Monograph or Collective Volume | University of Oklahoma | 2017 |
| Mastering wartime : a social history of Philadelphia during the Civil War | Gallman, J. M. | Monograph or Collective Volume | Cambridge University Press | 1990 |
| Matt Morgan of Tomahawk and English cartooning, 1867-70 | Kemnitz, T. M. | Article in Journal | | 1975 |
| Maura Dore | M., P. | Article in Journal | | 2017 |
| Maylor street : the Maylors, Lawton and Carleton | Conlon, M. V. | Article in Journal | | 1943 |
| Meagher memorabilia on display at the Waterford museum of treasures | Hearne, John M.McEneaney, Eamonn | Article in Book | | 2006 |
| Meagher to Leonard July, 1849. Thomas Francis Meagher's last letter written in Ireland and some new information pertaining to the origin of the Irish tricolour | Hearne, John M. | Article in Journal | | 2009 |
| Meanings of food in medieval Britain and Ireland : themes | Woolgar, C. M. | Article in Journal | | 2022 |
| Meath na Gaeilge i gCluain Maine agus i Iorras | Ó hEarcáin, M. | Article in Journal | | 1995 |
| Medals for peace | Ó Domhnaill, M. S. | Article in Journal | | 2008 |
| Medical charities in pre-famine north Cork | Geary, Laurence M. | Article in Journal | | 2001 |
| Medical charities in Queen's County, 1765-1851 | Geary, Laurence M. | Article in Book | | 1999 |
| Medical relief and the Great Famine | Geary, Laurence M. | Article in Book | | 2012 |
| Medical remedies from 18th century Limerick | Ireland, Aideen M. | Article in Journal | | 1983 |
| Medicine and charity in Ireland, 1718-1851 | Geary, Laurence M. | Monograph or Collective Volume | University College Dublin | 2004 |
| Medicine in the city of culture : an exhibition, Department of the History of Medicine, Royal College of Surgeons in Ireland | Lyons, J. B. (John Benignus)O'Doherty, M. | Monograph or Collective Volume | Royal College of Surgeons in Ireland | 1991 |
| Medicine, philanthropy and the state : the 1817-19 fever epidemic in Ireland | Geary, Laurence M. | Article in Book | | 2004 |
| Medieval and post-medieval butchered dogs from Carrickfergus, Co. Antrim, Northern Ireland | Murphy, Eileen M. | Article in Journal | | 2001 |
| Medieval cartularies of Great Britain and Ireland | Davis, G. R. C. (Godfrey Rupert Carless), 1917-1997 | Monograph or Collective Volume | British Library | 2010 |
| Medieval fonts of Meath | Roe, H. M. | Monograph or Collective Volume | | 1968 |
| Medieval forts of Meath | Roe, Helen M. | Monograph or Collective Volume | Turner's Printing Co. | 1968 |
| Medieval graveyard and boundary wall at Cove Street, Cork | Cleary, Rose M. | Article in Journal | | 1996 |
| Medieval Irish scribes and fixed texts | Slotkin, E. M. | Article in Journal | | 1978 |
| Medieval town wall at Emmet Street, Clonmel | Cleary, R. M. | Article in Journal | | 1993 |
| Medieval town wall off Lambley's Lane, Cork City | Cleary, R. M. | Article in Journal | | 1988 |
| Megalithic dawn over Blackstairs mountains | Feeley, Joseph M.Jones, Roger | Article in Journal | | 1997 |
| Members of the Irish parliament, 1784-7 | Johnston, E. M. | Article in Journal | | 1971 |
| Memoirs of the war carried on in Scotland and Ireland MDCLXXXIX-MDCXCI. By Major General Hugh Mackay, Commander in chief of his majesty's forces. With an appendix of original papers | Hog, J. M.Tytler, P. F.Urquhart, Adam | Monograph or Collective Volume | | 1833 |
| Memorialisation, settlement and identity in post-Plantation Ulster. Ardess Old Graveyard, County Fermanagh | Murphy, Eileen M.Parkinson, Eóin W. | Article in Journal | | 2017 |
| Memories of life on the island of West Skeam; recorded in April 1993 | Mackey, M.O'Regan, Joseph | Article in Journal | | 1994 |
| Memories of recent Irish Dominicans, 1930-1940 | Dowdall, Raymond M. | Monograph or Collective Volume | Dominican Publications | 1967 |
| Mental health law on the island of Ireland, 1800-2010 | Prior, Pauline M. | Article in Book | | 2012 |
| Mental health policy in Northern Ireland | Prior, Pauline M. | Article in Journal | | 1993 |
| Mental health policy in Northern Ireland 1921-1991 | Prior, Pauline M. | Thesis | | |
| Mentor and constant friend : the life of George Francis Fitzgerald (1851–1901) | Coey, J. M. D.Weaire, Denis, | Article in Journal | | 2007 |
| Merchant communities overseass, the navigation acts, and Irish and Scottish responses | Cullen, L. M. (Louis Michael) | Article in Book | | 1977 |
| Merchants, ships and trade, 1660-1830 | Cullen, L. M. (Louis Michael) | Monograph or Collective Volume | Gill & Macmillan | 1971 |
| Mercier's Irish Comic Tradition as a touchstone of Irish studies | Cahalan, James M. | Article in Journal | | 2004 |
| Mercy in Cork, 1837-87 | Bolster, M. A. | Monograph or Collective Volume | [s.n.] | 1987 |
| Mercy unto thousands | Degnan, M. Bertrand | Monograph or Collective Volume | Browne and Nolan | 1958 |
| Merriman in a world of schoolmasters | Cullen, L. M. (Louis Michael) | Article in Journal | | 2011 |
| Mesolithic, neolithic, and bronze ages | Evans, E. Estyn (Emyr Estyn), 1905-1989Jope, E. M. | Article in Book | | 1952 |
| Messrs Gardner and Hill - bankers | Fraser, Annie M. | Article in Journal | | 1964 |
| Michael Barret - Fenian : his claim to fame | Harrison, M. | Article in Journal | | 1968 |
| Michael Collins - the legacy and the intestacy | Regan, John M., 1967- | Article in Book | | 1998 |
| Michael Collins, General Commanding-in-Chief, as a historiographical problem | Regan, John M., 1967- | Article in Journal | | 2007 |
| Michael Davitt agus Conradh na Talún | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Journal | | 1979 |
| Mid-eighteenth-century Irish marriage as portrayed in The Bordeaux-Dublin letters | Truxes, Thomas M. | Article in Book | | 2019 |
| Middlemen - Avaricious, rapacious, evildoers? Perspectives on a middleman and his tenants in a Co. Roscommon townland 1819-47 | Leydon, Mary M. | Article in Journal | | 2019 |
| Migration and emigration, 1600-1945 | MacRaild, Donald M.Smith, Malcolm | Article in Book | | 2013 |
| Migration and residential patterns in mid-nineteenth century Cardiff | Williams, A. M. | Article in Journal | | 1979 |
| Migration, Migrant Chaplaincy, and Multi-ethnic Britain | Mangion, Carmen M. | Article in Book | Oxford University Press | 2023 |
| Mike Cudahy's Irish stories | Cuddeford, G. M. | Article in Book | | 2007 |
| Military leadership in the British civil wars, 1642-1651 : "the genius of this age" | Carpenter, Stanley D. M. | Monograph or Collective Volume | Cass | 2005 |
| Miltown local history | Galvin, M. | Article in Journal | | 1984 |
| Minchin of Fredericton, New Brunswick | M. | Article in Journal | | 1946 |
| Miners in migration : the case of nineteenth-century Irish and Irish-American copper miners | O'Neil, Timothy M. | Article in Journal | | 2001 |
| Minister's money : valuation lists of St Anne's (Shandon) parish 1793-1853 | | Article in Journal | | 1942 |
| Minorca and Ireland - an architectural connection : the Martello towers of Dublin Bay | Kerrigan, Paul M. | Article in Journal | | 1983 |
| Minority languages, nationalism and broadcasting : the British and Irish examples | Cormack, M. | Article in Journal | | 2000 |
| Minute book of the County Dublin Stonecutters' Society of Stepaside and its locality | Ryan, Nicholas M. | Article in Journal | | 1991 |
| Mirrors of a changing Ireland : The Bell's series 'The Fourth Estate', 1944-5 | Larkin, Felix M. | Article in Book | | 2021 |
| Miscellanea : discovery of a tomb at Thomastown, county Kilkenny | Phelan, Margaret M. | Article in Journal | | 1997 |
| Miscellanea Hibernica | O'Brien, M. A. (Michael Alphonsus) | Article in Journal | | 1938 |
| Miscellanea. Defiance and resurrection: Two cartoons in the 'Freeman's Journal', 22 April 1922 | Larkin, Felix M. | Article in Journal | | 2013 |
| Miscellanea. Two recently restored high cross replicas in the collection of the Royal Society of Antiruaries of Ireland | Larkin, Felix M. | Article in Journal | | 2013 |
| Miscellany from H.2.7 | | Article in Journal | | 1939 |
| Missed opportunities and political failures: The Great Famine general election of 1847 | Walker, B. M. (Brian Mercer) | Article in Journal | | 2009 |
| Mission or Church, 1570-1640? | McCoog, Thomas M. | Article in Book | | 2023 |
| Mixed marriages in Ireland a century ago | Fernihough, AlanWalsh, Brendan M.Ó Gráda, Cormac | Monograph or Collective Volume | UCD School of Economics | 2014 |
| Modern Ireland since 1850. | Tierney, M. | Monograph or Collective Volume | | 1978 |
| Modernist nationalism in 'Dana: An Irish Magazine of Independent Thought' (1904) | O'Dea, Dathalinn M. | Article in Journal | | 2010 |
| Modernity and Anti-Modernism | Pierce, Andrew | Article in Book | Oxford University Press | 2003 |
| Mog Ruith and apocalypticism in eleventh-century Ireland | O'Leary, Aideen M. | Article in Book | | 2001 |
| Mohil show | Masterson, M. J. | Article in Journal | | 1945 |
| Monaghan Protestants in a time of crisis, 1919-22 | Dooley, Terence A. M. | Article in Book | | 1990 |
| Monarchy and the Government in Britain, 1603-1637 | Brown, Keith M. | Article in Book | | 2008 |
| Monasterboice and its monuments | Roe, Helen M. | Monograph or Collective Volume | County Louth Archaeological and Historical Society | 1981 |
| Monasterboice and its monuments | Roe, Helen M. | Monograph or Collective Volume | County Louth Archaeological and Historical Society | 1993 |
| Monasterevan - Abbey and Parish | Comerford, M., C.C. | Article in Journal | | 1879 |
| Monasteries and religious houses of Great Britain and Ireland | Steele, F. M. | Monograph or Collective Volume | | 1903 |
| Monastic dress and the appearance of sanctity: the evangelists' shoes | Thomas, Colleen M. | Article in Book | | 2017 |
| Monastic sites in the West of Ireland | O'Kelly, M. J. (Michael Joseph) | Article in Journal | | 1974 |
| Monastic voyaging and the 'Navigatio' | Wooding, Jonathan M. | Article in Book | | 2000 |
| Money for Ireland : finance, diplomacy, politics, and the first Dáil Éireann loans, 1919-1936 | Carroll, Francis M. | Monograph or Collective Volume | Praeger | 2002 |
| Moneypenny | Foley, Brian F. M. | Article in Journal | | 1996 |
| Monumental inscriptions from Clonsilla, Co. Dublin | Blunden, D. M.McAuliffe, E. J. | Article in Journal | | 1984 |
| Monumental inscriptions from Kilbride, Kilmackalway, Loughtown lower and Kilmahuddrick, Co. Dublin | Blunden, D. M.McAuliffe, E. J.Walton, J. C. | Article in Journal | | 1982 |
| Monumental inscriptions from Newcastle, Co. Dublin | Blunden, D. M.McAuliffe, E. J.Walton, J. C. | Article in Journal | | 1981 |
| Monumental inscriptions from Rathcoole, Co. Dublin | Blunden, D. M.McAuliffe, E. J. | Article in Journal | | 1983 |
| Monumental inscriptions in the church and graveyard of Agher, Co. Meath | Kenny, M.Moore, B. F. E. | Article in Journal | | 1978 |
| Monumental inscriptions in the church of Ireland parish graveyard at Rathkeale, Co. Limerick | Dore, M. J. | Article in Journal | | 1982 |
| Monumental inscriptions of Nantinan, Co. Limerick | Dore, M. J. | Article in Journal | | 1980 |
| Monuments | Masterson, M. J. | Article in Journal | | 1943 |
| Moral maids and materialistic mistresses : Irish domestic servants and their American employers, 1850-1920 | Hotten-Somers, D. M. | Article in Book | | 2003 |
| Moran, Mannix and St Patrick's Day | Williams, Caroline M. | Article in Book | | 2000 |
| More Irish words in Spenser | Smith, Ronald M. | Article in Journal | | 1944 |
| Motets of English provenance | Harrison, FrankLefferts, Peter M. | Monograph or Collective Volume | [s.n.] | 1980 |
| Motorman's Long Journey : changing the strategic setting in Northern Ireland | Neumann, Peter R.Smith, M. L. R. | Article in Journal | | 2005 |
| Mounds and cairns of Co. Carlow | Feeley, J.M. | Article in Journal | | 2018 |
| Mount Sackville, 1864-2004 | Delaney, M. | Monograph or Collective Volume | Sisters of St. Joseph of Cluny | 2004 |
| Mountain Gloom and Mountain Glory : The Development of the Aesthetics of the Infinite | Nicolson, M. H. | Monograph or Collective Volume | | 1959 |
| Mountjoy, 1563-1606 : the last Elizabethan deputy | Jones, F. M. | Monograph or Collective Volume | Clonmore & Reynolds | 1958 |
| Moygara Castle: the wider context | Kerrigan, Paul M.O'Conor, KieranSherlock, Rory | Article in Book | | 2023 |
| Moyry, Charlemont, Castleraw, and Richhill : fortification to architecture in the north of Ireland, 1570-1700 | Jope, E. M. | Article in Journal | | 1960 |
| Mr Robertson of Ratisbon | G., A. M. | Article in Journal | | 1942 |
| Mr. Gladstone | Young, G. M. | Article in Book | NA | 1948 |
| Mrs Jellby's daughter : Caroline Agnes Gray (1848-1927) and the 'Freeman's Journal' | Larkin, Felix M. | Article in Book | | 2007 |
| Mrs. Delany : an eighteenth-century Handelian | Myers, R. M. | Article in Journal | | 1946 |
| Mungret | Moloney, M. | Article in Journal | | 1944 |
| Munster ring-ditches, 'fulachtai fia' and the excavations at Carrigtohill, Co. Cork | Cleary, Rose M.Hawkes, Alan | Article in Journal | | 2014 |
| Murder and madness : gender and the insanity defense in nineteenth-century Ireland | Prior, Pauline M. | Article in Journal | | 2005 |
| Music as Theology | Zon, Bennett | Article in Book | Oxford University Press | 2023 |
| Music in late seventeenth- and eighteenth-century Dublin churches | Neary, Denise M. | Article in Book | | 1996 |
| Music in Saint Nicholas' Collegiate Church Galway 1480-1912 | Ó Murchadha, M. K. | Article in Journal | | 1993 |
| Music in the army | Doyle, James M. | Article in Book | | 1952 |
| Music in the British Isles, 1700-1800 : a bibliography of literature | | Monograph or Collective Volume | Burden & Cholij | 1990 |
| Music in the British Isles, 1700-1800 : a bibliography of literature | Pickering, Jennifer M. | Monograph or Collective Volume | | 1990 |
| Muslims in Northern Ireland : contributions and achievements with a historical introduction | Khan, M. M.McCombe, Moira | Monograph or Collective Volume | AL-Nisa Association Northern Ireland | 2005 |
| Mutiny or subversion : Spithead and the Nore | Rodger, N. A. M., 1949- | Article in Book | | 2003 |
| My heart remembers how. Being the story of Muscraidhe O'Donegan | Linehan, M. P. | Monograph or Collective Volume | Duffy | 1944 |
| Myself - and others | Smithson, Annie M. P. | Monograph or Collective Volume | Talbot Press | 1944 |
| Mysteries and solutions in Irish legal history : Irish Legal History Society discourses and other papers, 1996-1999 | | Monograph or Collective Volume | Four Courts in association with the Irish Legal History Society | 2001 |
| Myth and the Irish state : historical problems and other essays | Regan, John M., 1967- | Monograph or Collective Volume | Irish Academic Press | 2013 |
| Naas: an historical sketch | Comerford, M., P.P. | Article in Journal | | 1883 |
| Nano Nagle (and other women) in Hobart Cathedral | Larkin, Felix M. | Article in Journal | | 2018 |
| Narratives of conflict, belonging, and the state : discourse and social life in post war Ireland | French, Brigittine M. | Monograph or Collective Volume | Routledge | 2018 |
| Nation und Konfession : Varianten des politischen Katholizismus im Europa des 19 Jahrhunderts | Birke, Adolf M., 1939- | Article in Journal | | 1996 |
| National Library of Ireland : catalogue of engraved Irish portraits, mainly in the Joly collection, and of original drawings | Elmes, R. M. | Monograph or Collective Volume | Stationery Office | [1937] |
| National Library of Ireland : catalogue of topographical prints and original drawings. | Elmes, R. M.Hewson, Michael | Monograph or Collective Volume | | 1975 |
| National patrimony and political perceptions of the Irish country house in post-independence Ireland | Dooley, Terence A. M. | Article in Book | | 2010 |
| Nationalism in Europe past and present : actas do Congreso Internacional os nacionalismos en Europa pasado e presente, Santiago de Compostela, 27-29 de Setembro de 1993 | Beramendi, Justo G.Máiz, RamónNúñez, Xosé M. | Monograph or Collective Volume | Universidade de Santiago de Compostela | 1994 |
| Nationalist Ireland, 1912-1922 : aspects of continuity and change | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | NA | 1994 |
| Nations and kingdoms : a view from above | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 2003 |
| Nature, fertility and animal miracles in the lives of Saint Coemgen and Cainnech | Lord, Victoria M. | Article in Journal | | 1995 |
| NCC Saga : The LMS in Northern Ireland | Arnold, R. M. | Monograph or Collective Volume | David & Charles | 1973 |
| Négoce et industrie en France et en Irlande aux XVIIIe et XIXe siècles | | Monograph or Collective Volume | C.N.R.S. | 1980 |
| Neigham castle | Lanigan, K. M. | Article in Journal | | 1981 |
| Neolithic Ireland | O'Kelly, M. J. (Michael Joseph) | Article in Book | | 2005 |
| Networks, Communication and the Irish Protestant Diaspora in Northern England, c. 1860-1914 | MacRaild, Donald M. | Article in Journal | | 2005 |
| Networks, communication and the Irish Protestant diaspora in northern England, c.1860–1914 | MacRaild, Donald M. | Article in Journal | | 2005 |
| Never throw away old receipts! : an elusive Cork Carmel, 1872-1884 | Bolster, M. A. | Article in Journal | | 1989 |
| New information on the development of Ballymacarrett : Lord Templemore's plan of 1853 | Boal, F. W. (Frederick Wilgar)Pringle, M. E.Royle, Stephen A. (Stephen Arthur) | Article in Journal | | 1984 |
| New Ireland : political sketches and personal reminiscences of thirty years of Irish public life | Sullivan, A. M. | Monograph or Collective Volume | | 1877 |
| New Ireland remembered : historical essays on the Irish in New Brunswick | | Monograph or Collective Volume | New Ireland | 1988 |
| New Ireland. 1878 | Sullivan, A. M. | Monograph or Collective Volume | | 1878 |
| New light on the background to the Irish participation in the papal army of 1860 | Cryan Pancani, M. J. | Article in Journal | | 1986 |
| New look at the Peter Robinson emigration of 1823 | Maltby, M.Maltby, P. L. | Article in Journal | | 1963 |
| New Ross : from European archetype to town 'situated in the Marches' | Doran, Linda M. | Article in Book | | 2012 |
| New York City Irish research : an introduction | Silinonte, Joseph M. | Article in Journal | | 1994 |
| New Zealand Catholicism and the Irish issue, 1914-1922 | Sweetman, Rory M. | Article in Book | | 1989 |
| Newcastle Catenians and the Great War | Hagerty, James M.Kenmair, Kevin | Article in Journal | | 2007 |
| Newgrange : archaeology, art and legend | O'Kelly, M. J. (Michael Joseph) | Monograph or Collective Volume | Thames & Hudson | 1988 |
| Newgrange : archaeology, art and legend | O'Kelly, M. J. (Michael Joseph) | Monograph or Collective Volume | Thames & Hudson | 1982 |
| Newman's difficult Dublin years | Kelley, Nora M. | Article in Journal | | 1977 |
| Newspaper writings, December 1822 - July 1831 | | Monograph or Collective Volume | | 1986 |
| Newspaper writings, December 1847 - July 1873. The collected works of John Stuart Mill | | Monograph or Collective Volume | | 1986 |
| Newspaper writings, January 1835 - June 1847 | | Monograph or Collective Volume | | 1986 |
| Newtownbarry House Gardens | Davies, K. M. (Kathleen Mary) | Article in Journal | | 2009 |
| Niall Frossach's true judgement | Wiley, Dan M. | Article in Journal | | 2005 |
| Nihell of Co. Clare and Co. Limerick | Niall, James M. | Article in Journal | | 1972 |
| Nineteenth Century Irish Emigration : a Case Study using Passenger Lists | Mageean, Deirdre M. | Article in Book | | 1985 |
| Nineteenth century Irish politics the case for normalcy | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Journal | | 1975 |
| Nineteenth-Century charm texts: scope and context | Wolf, Nicholas M. | Article in Book | | 2019 |
| Nineteenth-century Ireland : a guide to recent research | | Monograph or Collective Volume | University College Dublin Press | 2005 |
| Nineteenth-century population structure of Ireland and of the Irish in England and Wales: An analysis by isonymy | MacRaild, Donald M.Smith, Malcolm | Article in Journal | | 2009 |
| No Irish need apply | Gitelman, H. M. | Article in Journal | | 1973 |
| No Irish need apply : patterns of and responses to ethnic discrimination in the labor market | Guelman, H. M. | Article in Journal | | 1973 |
| No longer a political side show : T.R. Harrington and the 'new' Irish Independent, 1905-31 | Larkin, Felix M. | Article in Book | | 2012 |
| No mean city : Belfast 1880-1914 | Dixon, HughWalker, B. M. (Brian Mercer) | Monograph or Collective Volume | Friar's Bush | 1983 |
| No mean city : Belfast 1880-1914 in the photographs of Robert French | French, RobertWalker, B. M. (Brian Mercer) | Monograph or Collective Volume | Friar's Bush | 1983 |
| Non-lawful betrothals in early Irish law | Eska, Charlene M. | Article in Journal | | 2008 |
| Non-subscribing presbyterians and the Irish census in the 19th century : an example of confusion for statisticians | Macourt, M. P. A. | Article in Journal | | 1977 |
| Non-subscribing Presbyterians and the Irish census in the nineteenth century | Macourt, M. P. A. | Article in Journal | | 1977 |
| Northern Ireland : review and prospects for social policy | Ditch, J. S.Morrissey, M. J. | Article in Journal | | 1992 |
| Northern Ireland : society under siege | Fields, Rona M. | Monograph or Collective Volume | Transaction Books | 1980 |
| Northumbria | Aird, William M. | Article in Book | | 2009 |
| Note as to the identification of 'Katherain' | Dodd, M. J. de C. | Article in Journal | | 1938 |
| Note on a logboat from Comeenatrush Lough, Curragh townland near Millstreet, Co. Cork | Cleary, Rose M. | Article in Journal | | 2003 |
| Note on the St. Nicholas MSS | O'Sullivan, M. D. (Mary Donovan) | Article in Journal | | 1938 |
| Notes and emendations on the Latin writings of St. Patrick | Hitchcock, F. R. M. | Article in Journal | | 1938 |
| Notes on Irish proper names | Ó Briain, M. A. | Article in Journal | | 1971 |
| Notes on Latin learning and literature in medieval Ireland | Esposito, M. | Article in Journal | | 1937 |
| Notes on some agricultural units of measurement in use in pre-famine Ireland | Bourke, P. M. A. (Austin) | Article in Journal | | 1965 |
| Notes on some field monuments in the Braid, Co. Antrim | Mogey, J. M. | Article in Journal | | 1946 |
| Notes on the family of Sherlock : chiefly gathered from the state papers and other official documents | Ffrench, J. F. M. | Article in Journal | | 1899 |
| Notes on the history of Belleek pottery | Jenks, M. | Article in Journal | | 1973 |
| Notes on the land-grant of John, Lord of Ireland, to the Cistercians of Mainister an Enaigh (de Magio), county Limerick | Fitzgerald, M. J. | Article in Journal | | 1953 |
| Notes on the lists of Irish historic tales | Dobbs, M. E. (Margaret E.), 1871-1962 | Article in Journal | | 1953 |
| Notes on the Ordnance Survey Letters relating to the Barony of Dunkellin | Redington, M. | Article in Journal | | 1915 |
| Notes on the Ordnance Survey Letters relating to the Barony of Dunkellin. i. - Killeely Parish | Redington, M. | Article in Journal | | 1911 |
| Notes on the Ordnance Survey Letters relating to the Barony of Dunkellin. ii. - Stradbally Parish | Redington, M. | Article in Journal | | 1911 |
| Notes on the placenames of Laoighis | Roe, Helen M. | Monograph or Collective Volume | Laois County Council | 2006 |
| Notes on the Richardsons of Richmount and Richfort | De Montfort, Simon L. M. | Article in Journal | | 1978 |
| Notes. Coastal signal stations in Ireland, 1814 | Kerrigan, Paul M. | Article in Journal | | 2005 |
| Numbered seaweed mearing stones on Island Eddy and the adjoining mainland at Carrowmore townland, Ballinacourty, Galway Bay | Gosling, PaulScott, N. E.Skeffington, M. Sheehy | Article in Journal | | 2013 |
| Nurney, Co. Carlow | Curran, M. J. | Article in Journal | | 1955 |
| Nursing and midwifery education in Ireland : the contribution of Professor Val Rice | Begley, Cecily M. | Article in Book | | 2010 |
| O'Connell family tracts, 1 | | Monograph or Collective Volume | Browne and Nolan | 1947 |
| O'Connell school : 150 years 1828-1978 | Judge, P. M. | Monograph or Collective Volume | O'Connell School Union | 1978 |
| O'Connorite bedlam : Feargus and his grand-nephew, Arthur | Geary, Laurence M. | Article in Journal | | 1990 |
| O'Sullivan Beare in Spain : some unpublished documents | Walsh, M. K. | Article in Journal | | 1990 |
| Oak dendrochronology : some recent archaeological developments from an Irish perspective | Baillie, M. G. L.Brown, D. M. | Article in Journal | | 2002 |
| Obituaries 2012. Dáithí Ó hÓgáin | Ó D., M. | Article in Journal | | 2012 |
| Obituaries 2012. Edwin Stallard | N., P.M. | Article in Journal | | 2012 |
| Obituaries 2012. Etienne Rynne | H., MN, P.M. | Article in Journal | | 2012 |
| Obituaries 2012. Jim O'Keeffe | H., MN, P.M. | Article in Journal | | 2012 |
| Obituaries 2012. Paddy Friel | N., P.M. | Article in Journal | | 2012 |
| Obituaries 2013. Liam Brady | H., M. | Article in Journal | | 2013 |
| Obituaries 2013. Siobhán Dowling | H., M. | Article in Journal | | 2013 |
| Obituaries 2013. Winifred Long | H., M. | Article in Journal | | 2013 |
| Obituaries 2014. Alice Connolly | F, M.J.H, M. | Article in Journal | | 2014 |
| Obituaries 2014. Imelda Kehoe | F., M.J.H., M | Article in Journal | | 2014 |
| Obituaries 2014. Mary Moran | F., M.J.H., M | Article in Journal | | 2014 |
| Obituaries 2014. Mrs Margaret (Peg) Gibbons | F, M.J.H, M. | Article in Journal | | 2014 |
| Obituaries 2014. Nin Bligh | F, M.J.H., M. | Article in Journal | | 2014 |
| Obituaries 2014. Patrick Murray | F., M.J.H., M | Article in Journal | | 2014 |
| Obituaries 2014. Renee Murphy | F., M.J.H., M | Article in Journal | | 2014 |
| Obituaries, Deirdre Carroll | F., M.G., C. | Article in Journal | | 2015 |
| Obituaries. An Doctúir Liam Ó Bolguidhir | H, M. | Article in Journal | | 2011 |
| Obituaries. Ann Nolan | H, M. | Article in Journal | | 2011 |
| Obituaries. Frances and John Wallace | N., P.M.T., A. | Article in Journal | | 2020 |
| Obituaries. Jack O'Neill | W., M. | Article in Journal | | 2012 |
| Obituaries. Joan Tighe | Ó M., S. | Article in Journal | | 2014 |
| Obituaries. John Dyer | F., M.T., A. | Article in Journal | | 2020 |
| Obituaries. Margaret Ball | F., M.H, M.M., P. | Article in Journal | | 2011 |
| Obituaries. Marian Tierney Lonergan | H, M. | Article in Journal | | 2011 |
| Obituaries. Melosina Lenox-Conyngham | H, M. | Article in Journal | | 2011 |
| Obituaries. Michael J.S. Egan | F., M. | Article in Journal | | 2021 |
| Obituaries. Michael O'Hanrahan | F., M. | Article in Journal | | 2021 |
| Obituaries. Michael P.L. Costelloe | D., O.D. A.M. | Article in Journal | | 2012 |
| Obituaries. Mr Sean O'Donovan | F, M. | Article in Journal | | 2018 |
| Obituaries. Mrs Kitty Igoe | F, M. | Article in Journal | | 2018 |
| Obituaries. Nora Mahony | H, M. | Article in Journal | | 2011 |
| Obituaries. Philip Murphy | N., PP.M. | Article in Journal | | 2021 |
| Obituaries. Thomasina Clare Flood | H, M. | Article in Journal | | 2011 |
| Obituary : Augustine Martin | M., C. | Article in Journal | | 1995 |
| Obituary and Bibliography of Hugh Fenning OP | Cunningham, John M. | Article in Journal | | 2020 |
| Obituary. Claire O'Kelly (née O'Donovan) (1916-2004) | Cleary, Rose M.,Twohig, Elizabeth | Article in Journal | | 2006 |
| Obituary. Dan Mc Glynn, 1910-1992 | Joyce, P. M. | Article in Journal | | 1993 |
| Obituary. Dan McEvoy | M., P. | Article in Journal | | 2016 |
| Obituary. David Murray (1931-2006) | H., L.W., M. J. | Article in Journal | | 2007 |
| Obituary. George Dunleavy | M., C.B. | Article in Journal | | 1917 |
| Obituary. Jean Kilgar Fitzgerald, 1908-1988; Robert Desmond Fitzgerald, 1914-1990 | Kertland, M.P.H. | Article in Journal | | 1992 |
| Obituary. John Emmet O'Donovan, 1898-1966 | S., M.J.P. | Article in Journal | | 1967 |
| Obituary. Margery Brady | M., P. | Article in Journal | | 2016 |
| Obituary. Pádraigín Ní Dhubhluachra - Pat Deloughry | M., P. | Article in Journal | | 2016 |
| Obituary. Pádraigín Ní Dhubhluachra - Pat Deloughry | M., P. | Article in Journal | | 2016 |
| Obituary. T.G.F. Paterson, 1888-1971 | W., D.R.M. | Article in Journal | | 1973 |
| Obituary. Val Horan (1927-2006) | W., M. J.
R., P. | Article in Journal | | 2008 |
| Obituary. Willielma Jane Sayers | K, M.P.H. | Article in Journal | | 1961 |
| Obligationes pro annatis diocesis Cassellensis, [1433-1534] | | Article in Journal | | 1966 |
| Obligationes pro annatis diocesis Cloynensis, [1413-1526] | | Article in Journal | | 1961 |
| Obligationes pro annatis diocesis Corcagiensis | | Article in Journal | | 1970 |
| Obligationes pro annatis diocesis Imelacesis, [1429-1532] | Costello, M. A.Ryan, L.Skehan, W. | Article in Journal | | 1966 |
| Obligationes pro annatis diocesis Ossoriensis, 1413-1531 | | Article in Journal | | 1957 |
| Occupation and ethnicity : the Irish in New Brunswick | Toner, Peter M. | Article in Journal | | 1988 |
| Occupation, poverty and social class in pre-Famine Ireland 1740–1850 | Solar, Peter M. | Article in Book | | 2016 |
| Oeuvres | Froissart, Jean, c.1337-c.1410Kervyn de Lettenhove, J. M. B. C., Baron | Monograph or Collective Volume | [s.n.] | 1967 |
| Of guns and ballots : attitudes towards unconventional and destructive political participation among Sinn Féin and Herri Batasuna supporters | Justice, Jeff Wm. | Article in Journal | | 2003 |
| Off to Amerikay | Higgins, M.A. | Article in Journal | | 2012 |
| Office of ordnance advertisements printed in 'Faulkners Dublin Journal' of Saturday October 20th 1810 | Kerrigan, Paul M. | Article in Journal | | 1998 |
| Official visits: President Cosgrave comes to Ottawa | Carroll, Francis M. | Article in Journal | | 2010 |
| Oglethorpe's forty Irish "convicts" | Baine, R. M. | Article in Journal | | 1994 |
| Ógra Éireann : spiorad iontach Gaelach á chothú | Ó Catháin, M. F. | Article in Book | | 1996 |
| Old bells of Dublin | Fraser, A. M. | Article in Journal | | 1944 |
| Old church of Ballinacourty, Barony of Dunkellin | Redington, M. | Article in Journal | | 1915 |
| Old Galway : the history of a Norman colony in Ireland | O'Sullivan, M. D. (Mary Donovan) | Monograph or Collective Volume | Kennys | 1984 |
| Old Galway : the history of a Norman colony in Ireland | O'Sullivan, M. D. (Mary Donovan) | Monograph or Collective Volume | Heffer | 1942 |
| Old glory at Queenstown : American maritime activity in the Queenstown era 1800-1922 | Barry, J. M. | Monograph or Collective Volume | Sidney | 1999 |
| Old Head, Kinsale, Co. Cork | Cleary, Rose M. | Article in Journal | | 2001 |
| Old house types near Lough Gur, Co. Limerick | O'Kelly, M. J. (Michael Joseph)Ó Ríordáin, S. P., | Article in Book | | 1995 |
| Old Ireland, reminiscences of an Irish K.C. | Sullivan, A. M. | Monograph or Collective Volume | Butterworth | 1927 |
| Old Irish buttermaking | Ó Sé, M. | Article in Journal | | 1949 |
| Old Irish cheeses and other milk products | Ó Sé, M. | Article in Journal | | 1948 |
| Old Irish personal names | O'Brien, M. A. (Michael Alphonsus) | Article in Journal | | 1973 |
| Old Leighlin monastery and cathedral, 5th to 15th century | Feeley, Joseph M.Sheehan, J. | Article in Journal | | 2003 |
| Oliver : the story of the martyred archbishop of Armagh written for boys and girls | Gaffney, H. M. | Monograph or Collective Volume | Gill | 1946 |
| Oliver Goldsmith | Wardle, R. M. | Monograph or Collective Volume | Constable | 1958 |
| On the linen and hempen manufactures in the province of Ulster | Stephenson, S. M. | Monograph or Collective Volume | | 1808 |
| On the medieval sources for the legend of Cenn (Crom) Cróich of Magh Slécht | Duignan, M. V. (Michael V.) | Article in Book | | 1995 |
| On the swearing of oaths in cemeteries | Eska, Charlene M. | Article in Journal | | 2016 |
| On the use of Greek words in the writings of St Columbanus of Luxeuil | Walker, G. S. M. | Article in Journal | | 1949 |
| On two documents in the Liber Decanatus I, in the Dublin diocesan archives | O'Riordan, W. M. | Article in Journal | | 1956 |
| One Easter Monday | O'Brennan, Lily M. | Monograph or Collective Volume | Irish Press | 1934 |
| One hundred years : a history of the school of nursing and of developments at Mater Misericordiae hospital, 1891-1991 | Nolan, M. Eugene, Sister | Monograph or Collective Volume | Mater Misericordiae Hospital, School of Nursing | 1991 |
| One point throughout time: archaeological continuity at Gortlaunaght, Swanlinbar, Co. Cavan | Chapple, Robert M. | Article in Journal | | 2010 |
| Orangeism : a new historical appreciation | Brown, JohnDewar, M. W.Long, S. E. | Monograph or Collective Volume | Grand Orange Lodge of Ireland | 1967 |
| Orangeism in Ireland and throughout the Empire | Sibbett, R. M. | Monograph or Collective Volume | Henderson & Co. | 1914 |
| Orangeism in Scotland : unionism, politics, identity and football | Bradley, Joseph M. | Article in Journal | | 2004 |
| Ordinary Irish life : music, sport and culture | | Monograph or Collective Volume | Irish Academic Press | 2013 |
| Ordinary Irish Life : music, sport and culture | | Monograph or Collective Volume | Irish Academic | 2013 |
| Ordination Ritual and Practice in the Welsh-English Frontier, circa 1540-1640 | Hayes, Gianetta M. | Article in Journal | | 2005 |
| Oriental studies in Ireland, from times of St Patrick to the rise of Islam | Mansoor, M. | Article in Journal | | 1943 |
| Origins of the modern Irish missionary movement : the 'Missions Africaines de Lyons' in Cork 1876-1883 | Hogan, Edmund M. | Article in Journal | | 1981 |
| Ormonde castle, Carrick-on-Suir | Lanigan, K. M. | Article in Journal | | 1965 |
| Orthaí and orthodoxy : healing charms in Irish popular religion | Wolf, Nicholas M. | Article in Book | | 2010 |
| Os Irlandeses perante a inquisição Portuguesa: réus e reduzidos (séculos XVI-XVIII) | Mendes Drumond Braga, Isabel M. R., | Article in Book | | 2010 |
| Our Lady's Psychiatric Hospital Cork : history of the mental hospital Cork spanning 200 years | Henry, Hanora M. | Monograph or Collective Volume | Haven Books | 1989 |
| Our pagan ancestors | Fahy, E. M. | Article in Journal | | 1957 |
| Out of the past : Ulster voices speak | Lyle, M. K. | Monograph or Collective Volume | Vantage P. | 1981 |
| Outline history of Devoy family of Courtwood ... Leix ... and the Walsh families in Ireland, England, Australia, ... USA ... | Blunt, Ann M.Flynn, Michael P. | Monograph or Collective Volume | The authors | 1999 |
| Output and productivity in Irish agriculture from the Famine to the Great war | Turner, M. E. | Article in Journal | | 1990 |
| Outstanding triumphs of Irish-bred horses from 1782 to 1925 | Mitchell, Wm. J. | Article in Journal | | 1944 |
| Overseas Missions | Carey, Hilary M. | Article in Book | Oxford University Press | 2003 |
| Overseeing the Irish asylums : the Inspectorate in Lunacy, 1845-1921 | Prior, Pauline M. | Article in Book | | 2012 |
| O’Conor Corcomroe : a bilingual history | Ó Conchúir, M. F. | Monograph or Collective Volume | The author | 1996 |
| Packet to Ireland : Porthdinllaen's challenge to Holyhead | Elis-Williams, M. | Monograph or Collective Volume | | 1984 |
| Padre Fahy : biografía de Antonio Domingo Fahy, O.P., misionero Irlandés en la Argentina 1805-1871 | Ussher, Santiago M. | Monograph or Collective Volume | # | 1952 |
| Palladius - bishop or phantom? | Keogh, Raymond M. | Article in Journal | | 2005 |
| Palladius, Prosper and Leo the Great : mission and primatial authority | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 1993 |
| Papal secretariate and datary correspondence relating to Great Britain and Ireland in the fifteenth and early sixteenth centuries : summary report of a survey in the Vatican archives | Haren, M. J. | Article in Journal | | 1986 |
| Paris of the Irish | Lennon, M. J. | Article in Journal | | 1955 |
| Parliamentary election results in Ireland, 1801-1922 | | Monograph or Collective Volume | Royal Irish Academy | 1978 |
| Parliamentary election results in Ireland, 1918-1992 | | Monograph or Collective Volume | Royal Irish Academy | 1992 |
| Parnell and Davitt | MacManus, M. J. | Article in Journal | | 1946 |
| Parnell and the Irish land question | Geary, Laurence M. | Article in Book | | 1991 |
| Parnell's faithful few. With a preface by Thomas F. Woodlock | Leamy, M. H. | Monograph or Collective Volume | Macmillan | 1936 |
| Parnell, politics and the press in Ireland, 1875-1924 | Larkin, Felix M. | Article in Book | | 2013 |
| Partitions : A Transnational History of Twentieth-Century Territorial Separatism | | Monograph or Collective Volume | Stanford University Press | 2019 |
| Party organisation in Ulster 1865-92 : registration agents and their activities | Walker, B. M. (Brian Mercer) | Article in Book | | 1981 |
| Party strategies in the electoral market : political marketing in West Germany, Britain and Ireland | Farrell, David M.Wortmann, Martin | Article in Journal | | 1987 |
| Passengers from Ireland : lists of passengers arriving at American ports between 1811 and 1918 | Schlegel, Donald M. | Monograph or Collective Volume | Genealogical Publishing | 1980 |
| Passing : race, religion, and the Healy family, 1820-1920 | O'Toole, James M. | Article in Journal | | 1996 |
| Past and present : history, identity and politics in Ireland | Walker, B. M. (Brian Mercer) | Monograph or Collective Volume | Queen's University of Belfast, Institute of Irish Studies | 2000 |
| Patrick and the Prosper connection | Keogh, Raymond M. | Article in Journal | | 2003 |
| Patrick and Willie Pearse | Pearse, Margaret M. | Article in Journal | | 1943 |
| Patrick's Purgatory | Strachan, L. R. M. | Article in Journal | | 1942 |
| Patrick, comets and Christianity | Baillie, M. G. L. | Article in Journal | | 1995 |
| Patron and architect : an example of relations in the late 18th century | | Article in Journal | | 1961 |
| Patronage and poverty in county Down : the case of Patrick Bronte | Adams, Amber M. | Article in Journal | | 1987 |
| Patronage, Tradition and modernisation : the role of the Irish "Gombeenman" | Gibbon, P.Higgins, M. D. | Article in Journal | | 1974 |
| Patrons, Teachers and literacy in Irish, 1700-1850 | Cullen, L. M. (Louis Michael) | Article in Book | | 1990 |
| Patterns of political change in fragment regimes : Northern Ireland and Rhodesia | Schutz, B. M. | Article in Journal | | 1975 |
| Pearse as an educationalist | Glynn, W. M. | Article in Journal | | 1940 |
| Peasants and emigrants : considerations of the Gaelic League as a social movement | Waters, M. J. | Article in Book | | 1977 |
| Penannular and related brooches : secular ornament or symbol of action? | Nieke, M. R. | Article in Book | | 1993 |
| People and places: incidental observations concerning Aran and Connemara in 19th century natural history publications | Mitchell, M.E. | Article in Journal | | 2021 |
| Perceptions of pagan and Christian : from Patrick to Gregory the Great | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 2016 |
| Peregrini in the ocean : spirituality and reality | Wooding, Jonathan M. | Article in Book | | 2015 |
| Periodicals and journalism in twentieth-century Ireland 2: a variety of voices | NA | Monograph or Collective Volume | Four Courts Press | 2021 |
| Periodicals and journalism in twentieth-century Ireland : Writing against the grain | | Monograph or Collective Volume | Four Courts | 2014 |
| Periphyseon : the descent of the uncompleted copy | Bishop, T. A. M. | Article in Book | | 1982 |
| Personal retrospective of archives in Ireland | Ireland, Aideen M. | Article in Journal | | 2010 |
| Perspectives on Irish migration studies | Mageean, Deirdre M. | Article in Journal | | 1984 |
| Peter de Bermingham, lord of Tethmoy | Hickey, N. M. | Article in Journal | | 1981 |
| Peter of Ireland : Aquinas's teacher of the artes liberales | Crowe, M. B. | Article in Book | | 1969 |
| Petition from parishioners of Blanchardstown to Archbishop Murray concerning clerical appointments, 1826 | Cronin, Elizabeth M. | Article in Journal | | 2002 |
| Petitions and proposals - Fitzwilliam Estates | Breen, Anthony M. | Article in Journal | | 2009 |
| Petticoat Revolutionaries : Gender, Ethnic Nationalism, and the Irish Ladies' Land League in the United States | Janis, Ely M. | Article in Journal | | 2008 |
| Pewter dishes from Gallrock, Co. Armagh | Weatherup, D. R. M. | Article in Journal | | 1976 |
| Phantom Force - The 'Royal Irish Constabulary Special Reserve' | Leeson, D.M. | Article in Journal | | 2022 |
| Philanthropy in nineteenth-century Ireland | | Monograph or Collective Volume | Four Courts | 2015 |
| Philip Kearney | Flynn, David M. | Article in Journal | | 1915 |
| Philip Ronayne, gent | Hilliard, F. M. | Article in Journal | | 1968 |
| Photographic survey : high crosses of county Louth | Roe, Helen M. | Article in Journal | | 1954 |
| Pietas Austriaca and ‘Dispensers of Royal Authority’: The early Irish Colleges and Habsburg cultural strategies | Downey, Declan M. | Article in Book | | 2018 |
| Pigs, Green Whiskers, and Drunken Widows : Irish Nationalists and the "Practical Censorship" of McFadden's Row of Flats in 1902 and 1903 | Kibler, M. Alison | Article in Journal | | 2008 |
| Pioneer Women : Caroline Herschel, Sarah Siddons, Maria Edgeworth, Mary Somerville | Tabor, M. E. | Monograph or Collective Volume | NA | 1933 |
| Pioneers in penology : the reformers, the institutions, and the societies, 1557-1900 | | Monograph or Collective Volume | Edwin Mellen Press | 2006 |
| Pitchcap and triangle : the Cork Militia in the Wexford rising | Barry, J. M. | Monograph or Collective Volume | Sidney | 1998 |
| Place and class in Cork | Fahy, A. M. | Article in Book | | 1993 |
| Place names of Rathlin Island | O'Boyle, M. | Article in Journal | | 1939 |
| Platform. Whither the National Library of Ireland | Larkin, Felix M. | Article in Journal | | 2016 |
| Players in the western world : the Abbey Theatre's American tours | Dalsimer, Adele M. | Article in Journal | | 1981 |
| Plunkett of the EK : Irish notes on the Wyoming cattle industry in the 1880's | Savage, William M., Jr. | Article in Journal | | 1971 |
| Pobal na Gaeltachta : a scéal agus a dhán | | Monograph or Collective Volume | Cló Iar-Chonnachta | 2000 |
| Poet and prince in medieval Ireland | Eoin, G. M. | Article in Book | | 1997 |
| Policemen in your family tree | Allen, Gregory | Article in Book | | 1993 |
| Policing Northern Ireland : attitudinal evidence | Gallagher, A. M. | Article in Book | | 1995 |
| Policing the empire : government, authority and control, 1830-1940 | | Monograph or Collective Volume | Manchester University Press | 1991 |
| Political culture in contemporary Meath, 1977-2010 | Wilson, Thomas M. | Article in Book | | 2015 |
| Political history | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 2005 |
| Political life in Cavan, 1913-21 | Sheridan, Margaret M. | Thesis | | 1985 |
| Political Reform | Farrell, David M. | Article in Book | | 2017 |
| Politicians, elections and catastrophe : the general election of 1847 | Walker, B. M. (Brian Mercer) | Article in Journal | | 2007 |
| Politicised linguistic consciousness : the case of Ulster-Scots | Craith, M. N. | Article in Journal | | 2001 |
| Politics and rebellion : Wicklow in the 1790s | Cullen, L. M. (Louis Michael) | Article in Book | | 1994 |
| Pons to Punch | Punch, Terence M. | Article in Journal | | 1970 |
| Popular opposition to Irish Home Rule in Edwardian Britain | Jackson, Daniel M. | Monograph or Collective Volume | Liverpool University Press | 2009 |
| Population growth and diet, 1600-1850 | Cullen, L. M. (Louis Michael) | Article in Book | | 1982 |
| Population trends in seventeenth-century Ireland | Cullen, L. M. (Louis Michael) | Article in Journal | | 1975 |
| Port Airchinnigh - Airchinneach - Portrunny | Connellan, M. J. | Article in Journal | | 1954 |
| Portmarnock Golf Club, 1894-1994 : a centenary history | Healy, T. M. | Monograph or Collective Volume | Portmarnock Golf Club | 1993 |
| Post-Renaissance universities with special reference to Great Britain and Ireland, 1605-1909 | Knox, H. M. | Article in Journal | | 1981 |
| Potato planting | Cunningham. Jennifer | Article in Journal | | 2005 |
| Poverty and progress : a paradoxical legacy | Frisch, M. | Article in Journal | | 1986 |
| Power and politics in early medieval Britain and Ireland | | Monograph or Collective Volume | Edinburgh University Press | 1988 |
| Pozemelnaja sobstvjennost v grafstvje Limerik v seredinje xvii v | Saprykin, Yu. M. | Article in Journal | | 1960 |
| Predicting vote choice in the 2020 Irish general election | Elkink, Johan A.Farrell, David M. | Article in Journal | | 2021 |
| Prehistoric architecture | Ffrench, J. F. M. | Article in Journal | | 1914 |
| Preliminary report on pottery from Ballintoy Caves, co. Antrim | Gaffikin, M. (Miss) | Article in Journal | | 1934 |
| Prensa comunitaria y política local (1875-1880) : ¿hacia la conformación de una opinión política "hiberno-argentina"? | Castello, Ana M. | Article in Journal | | 2005 |
| Pres 140 : the story of the Presentation Brothers College Cork, 1878-2018 | Feheney, J. M. | Monograph or Collective Volume | Iverus Publications | 2018 |
| Presbyterian-Roman Catholic relations in Ireland (1780-1975) | Barkley, John M. | Article in Journal | | 1981 |
| Presbyterians in Ireland : identity in the twenty-first century | Baillie, Sandra M. | Monograph or Collective Volume | Palgrave Macmillan | 2008 |
| Presentation convent, Thurles, 1817-1917 | Liguiro, M. | Article in Book | | 1989 |
| Priests and Parishes | Champ, Judith | Article in Book | Oxford University Press | 2023 |
| Primate Reginald and Henry III | O'Halloran, M. | Article in Journal | | 1952 |
| Prince Charlie (de jure Charles III, king of Scotland, England, France and Ireland) | MacKenzie, E. M. C. | Monograph or Collective Volume | | 1932 |
| Prince Hohenlohe, Signor Pastorini and miraculous healing in early nineteenth-century Ireland | Geary, Laurence M. | Article in Book | | 1999 |
| Princes and pirates : the Dublin Chamber of Commerce 1783-1983 | Cullen, L. M. (Louis Michael) | Monograph or Collective Volume | Dublin Chamber of Commerce | 1983 |
| Prints and drawings in the National Library | Kirwan, E. M. | Article in Journal | | 1995 |
| Prisoner or patient? The official debate on the criminal lunatic in nineteenth-century Ireland | Prior, Pauline M. | Article in Journal | | 2004 |
| Private sources for economic and social history | Cullen, L. M. (Louis Michael) | Article in Journal | | 1972 |
| Privateers fitted out in Irish ports in the eighteenth century | Cullen, L. M. (Louis Michael) | Article in Journal | | 1958 |
| Problema rabochego dvizheniya v istoriografii Irlandskoi Respublika (seredina 60-kh-70-e gody) | Orlova, M. E. | Article in Journal | | 1980 |
| Problematic pigs: swine values in Bodleian ms Rawlinson B 506 | Eska, Charlene M. | Article in Journal | | 2010 |
| Problems common to both protestant and catholic churches in eighteenth-century Ireland | Johnston, E. M. | Article in Book | | 1983 |
| Problems in and sources for the study of economic fluctuations, 1660-1800 | Cullen, L. M. (Louis Michael) | Article in Journal | | 2014 |
| Problems in and sources for the study of economic fluctuations, 1660-1800 | Cullen, L. M. (Louis Michael) | Article in Journal | | 2014 |
| Problems in the interpretation and revision of eighteenth-century Irish economic history | Cullen, L. M. (Louis Michael) | Article in Journal | | 1967 |
| Proceedings of the seventh International Congress of Celtic Studies | | Monograph or Collective Volume | Oxbow Books | 1986 |
| Prodigal father : the life of John Butler Yeats (1839-1922) | Murphy, W. M. | Monograph or Collective Volume | Cornell University Press | 1978 |
| Producers, proletarians and politicians : opposition and accommodation in the small industrializing city, 1850-1887 | Lipin, Lawrence M. | Monograph or Collective Volume | University of California Press | 1989 |
| Professor Gearoid MacNiocaill, 1932-2004 | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Journal | | 2004 |
| Professor John Valentine Rice : an appreciation | Parkes, Susan M. | Article in Book | | 2010 |
| Prolegomena to a study of medieval Anglo-Irish | McIntosh, AngusSamuels, M. L. | Article in Journal | | 1968 |
| Prophecy against reason : Ireland and the Apocalypse | Colgan, M. | Article in Journal | | 1985 |
| Prophecy and posterity : Robert Emmet in America | Geoghegan, Patrick M. | Article in Book | | 2007 |
| Protestant migration from the Free State to Northern Ireland, 1920-25 : a private census for Co. Fermanagh | Dooley, Terence A. M. | Article in Journal | | 1996 |
| Protestants and the Irish language : historical heritage and current attitudes in Northern Ireland | Pritchard, Rosalind M. D. | Article in Journal | | 2004 |
| Protocol and international politics, 1928 : the Secretary of State goes to Ireland | Carroll, Francis M. | Article in Journal | | 1991 |
| Province, city and people : Belfast and its region | | Monograph or Collective Volume | Greystones Books in association with the Northern Committee of the British Association for the Advancement of S | 1987 |
| Provision of books for Poor Clergy Parochial Libraries in the British Isles and the North American Colonies, 1680-1720 | Jacob, W. M. | Article in Journal | | 2004 |
| Provosts and mayors of Limerick, 1197-1997 | Leonard, Denis M. | Article in Book | | 1997 |
| Pseudo-Dionysius, Gilbert of Limerick and Innocent III : order, power and constitutional construction | Williamson, Shannon M. O. | Article in Book | | 2006 |
| Psychiatry and the fate of women who killed infants and young children, 1850-1900 | Prior, Pauline M. | Article in Book | | 2010 |
| Public building and colonial policy in Dublin, 1760-1800 | Fraser, M. | Article in Journal | | 1985 |
| Public holidays, commemoration and identity in Ireland, north and south, 1920-60 | Walker, B. M. (Brian Mercer) | Article in Book | | 2003 |
| Public opinion and the railway rates question in 1886 | Williams, P. M. | Article in Journal | | 1952 |
| Purity of blood and purity of faith in early modern Ireland | Downey, Declan M. | Article in Book | | 2005 |
| Putting abrupt environmental change back into human history | Baillie, M. G. L. | Article in Book | | 1999 |
| Putting Ireland on four wheels : a history of Irish transport | Miller, PeterO'Sullivan, Austin M. | Monograph or Collective Volume | Coolballow Specialist Publications | 2014 |
| Putting on Irish "stuff" : the politics of Anglo-Irish cross-dressing | Burke, Helen M. | Article in Book | | 1999 |
| Quaker enterprise and the Waterford glassworks, 1783-1851 | Hearne, John M. | Article in Journal | | 1998 |
| Queen's University Belfast : student life in peace and war, 1923-1949 | McCreary, A.Walker, B. M. (Brian Mercer) | Article in Journal | | 1995 |
| Queenstown for orders : contributions to the maritime history of Queenstown Harbour, the cove of Cork | Barry, J. M. | Monograph or Collective Volume | Sidney | 1999 |
| Rank ladies, ladies of rank : the Elinore sisters in vaudeville | Kibler, M. Alison | Article in Journal | | 1997 |
| Rathgar methodist church, Brighton Rd. Dublin, 1874-1974 | Weir, David M. | Monograph or Collective Volume | Rathgar Methodist Church | 1974 |
| Rathlin Island | McWilliams, Shirley M. | Article in Journal | | 1982 |
| Rathmichael : a parish in the Pale | Turner, M. K. | Article in Journal | | 1979 |
| Rathsallagh - a note on the name | M. K. (Turner, Kathleen) | Article in Journal | | 1975 |
| Rational Dissent in early eighteenth-century Ireland | Stewart, M. A. | Article in Book | | 1996 |
| Ré órga thionscal na maircréal i gCorca Dhuibhne, 1880-1930 | Ó Gréacháin, Dónal M. | Article in Book | | 2004 |
| Re-assessing the logboat from Lurgan townland, Co. Galway | Cribbin, GerryRobinson, M. E.Shimwell, D. W. | Article in Journal | | 1999 |
| Reasonable belief and unlawful carnal knowledge : a historical perspective | Doyle, David M. | Article in Journal | | 2012 |
| Reasonable belief and unlawful carnal knowledge: a historical perspective | Doyle, David M. | Article in Journal | | 2012 |
| Reassessing Paul Cullen : an afterword | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | NA | 2011 |
| Reassessing Townshend's Irish Viceroyalty, 1767-72: The Caldwell-Shelburne Correspondence in the John Rylands Library, Manchester | Powell, M. J. | Article in Journal | | 2013 |
| Rebel daughters : Ireland in conflict 1798 | Todd, Janet M., 1942- | Monograph or Collective Volume | Viking | 2003 |
| Rebel Irishwomen | Fox, R. M. | Monograph or Collective Volume | | 1935 |
| Rebel Irishwomen | Fox, R. M. | Monograph or Collective Volume | Progress Publishers | 1967 |
| Rebellion and remembrance in modern Ireland | Geary, Laurence M. | Monograph or Collective Volume | Four Courts | 2001 |
| Rebellion mortality in Wexford in 1798 | Cullen, L. M. (Louis Michael) | Article in Journal | | 1998 |
| Rebellions in retrospect : ‘Die rebellie' of 1914 and the Easter rising of 1916 revisited | Nicholls, B. M. | Article in Book | | 1996 |
| Rebels or revolutionaries? Irish-American nationalism and American diplomacy, 1865-1885 | Sewell, M. J. | Article in Journal | | 1986 |
| Recent research and development in the Burren | Condit, TomGibbons, M. | Article in Journal | | 1989 |
| Recent southern archaeological finds | O'Kelly, M. J. (Michael Joseph) | Article in Journal | | 1946 |
| Recent survey work at Lough Gur, Co. Limerick | Cleary, Rose M.Hogan, Nick | Article in Journal | | 2013 |
| Recent times : a history of Britain and its continental background, 1868-1939 | Rayner, R. M. | Monograph or Collective Volume | | 1949 |
| Recholl Breth: why it is a 'Shroud of Judgments' | Eska, Charlene M. | Article in Book | | 2016 |
| Recollections of an Irish judge : press, bar and parliament | Bodkin, M. M. | Monograph or Collective Volume | | 1914 |
| Recollections of the Hacketstown fair days in the forties | Byrne, Patrick M. | Article in Journal | | 2020 |
| Reconstructing Catholic family history | O'Toole, James M. | Article in Journal | | 1990 |
| Reconstructing the past : charting the destruction of Doonlicka Castle, Co. Clare | Chapple, Robert M. | Article in Journal | | 2000 |
| Records of pupils in national schools : samples from the records of the National Archives of Ireland | Ireland, Aideen M. | Article in Journal | | 2013 |
| Records of the Irish in the British army | Colwell, Stella | Article in Book | | 1993 |
| Records of the town of Limavady, 1609-1808 | | Monograph or Collective Volume | North-West Books | 1989 |
| Rectangular keeps of the 13th century at Grenan (Kilkenny) and Glanworth (Cork) | Waterman, D. M. | Article in Journal | | 1968 |
| Redress: Ireland's Institutions and Transitional Justice | | Monograph or Collective Volume | University College Dublin Press | 2022 |
| Reflection in form | Cunningham, John M. | Article in Journal | | 2009 |
| Reflections on Irish medical writing (1600-1900) | Doran, Beatrice M. | Article in Book | | 2002 |
| Reflections on law and history : Irish Legal History Society discourses and other papers, 2000-2005 | Dawson, N. M. | Monograph or Collective Volume | Four Courts with the Irish Legal History Society | 2006 |
| Reformatory schools in Ireland | Fahy, E. M. | Article in Journal | | 1942 |
| Reframing the republic : republican socio-economic thought and the road to Fianna Fáil, 1923-26 | O'Neill, Timothy M. | Article in Book | | 2015 |
| Regiments in the southern district of Ireland commanded by Lieutenant General Dalrymple, 1797 | Kerrigan, Paul M. | Article in Journal | | 1997 |
| Register of research in progress | Campbell, B. M. S. | Monograph or Collective Volume | Queen's University of Belfast | 1978 |
| Register of the boys of St Stephen's Hospital, Cork, from 1st February 1780 | Conlon, M. V. | Article in Journal | | 1957 |
| Registers of the universities, colleges and schools of Great Britain and Ireland | Jacobs, P. M. | Article in Journal | | 1964 |
| Registre de la comptablie de Bordeaux, 1482-3 | Ducaunnes-Duval, M. G. | Article in Journal | | 1915 |
| Regrets: Francis Bacon, Lucian Freud and Jasper Johns | Cappock, M. | Article in Journal | | 2015 |
| Reinterpreting Emmet : essays on the life and legacy of Robert Emmet | | Monograph or Collective Volume | University College Dublin Press | 2007 |
| Relic of the Holy Cross and silver case in which it is placed; now deposited in the Ursuline Convent, Blackrock, Cork | Comerford, M., C.C. | Article in Journal | | 1879 |
| Religion and Greater Ireland : Christianity and Irish global networks, 1750-1950 | | Monograph or Collective Volume | McGill-Queen's University | 2015 |
| Religion, nationalism and political economy in the early twentieth century | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | NA | 2009 |
| Religious cleavage and aspects of Catholic identity in modern Scotland | Bradley, Joseph M. | Article in Journal | | 1995 |
| Religious houses in medieval Limerick | Moloney, M. | Article in Journal | | 1964 |
| Relinquishing and reclaiming independence : Irish domestic servants, American middle-class mistresses, and assimilation, 1850-1920 | Hotten-Somers, D. M. | Article in Journal | | 2001 |
| Remembering Cornelius O'Brien, M.P. | M., J. | Article in Journal | | 2018 |
| Remembering the siege of Derry : the rise of a popular religious and political tradition, 1689-1989 | Walker, B. M. (Brian Mercer) | Article in Book | | 2001 |
| Remembrance of things past : Saintfield 60 years ago | Minnis, C. M. | Article in Journal | | 1986 |
| Reminiscences and recollections of fifty years in history | Cullen, L. M. (Louis Michael) | Article in Book | | 2001 |
| Rent fixing and the tenant's occupation interest under the Land Law (Ireland) Act, 1881 | Dawson, N.M. | Article in Book | Four Courts Press | 2024 |
| Reporting the Irish Famine in America : images of ‘suffering Ireland’ in the American press, 1845-1848 | Farrell, James M. | Article in Book | | 2016 |
| Representing exile : Ireland and the formation of the English nation (1558-1603) | Breen, John M. | Thesis | | |
| Representing the national landscape in Irish Romanticism | Wright, Julia M. | Monograph or Collective Volume | Syracuse UP | 2014 |
| Reproduction and production in early Ireland | Bitel, Lisa M., 1958- | Article in Book | | 1996 |
| Research notes : Coleman papers collection | Parrish, Marilyn M. | Article in Journal | | 2001 |
| Rethinking the palaeography of H in Lebor na hUidre | Eska, Charlene M. | Article in Journal | | 2018 |
| Retrospections of Dorothea Herbert, 1770-1806 | Herbert, Dorothea
| Monograph or Collective Volume | Townhouse | 2004 |
| Rev. Dr John Boyce ('Paul Peppergrass' 1810-1864) | McNamara, G. M. | Article in Journal | | 1965 |
| Rev. James Graves (1816-1886) | Phelan, Margaret M. | Article in Journal | | 1986 |
| Rev. Samuel Haughton, M.D., S.F.T.C.D., F.R.S. | Close, M.H. | Article in Journal | | 1898 |
| Revenue and expenditure in a medieval Irish town | O'Sullivan, M. D. (Mary Donovan) | Article in Journal | | 1942 |
| Review article : Historical and linguistic research on the Irish language | Wolf, Nicholas M. | Article in Journal | | 2017 |
| Review article : medieval Ireland and the continent | Enright, M. J. | Article in Journal | | 1990 |
| Review article : personal narratives of emigration and adjustment | MacRaild, Donald M. | Article in Journal | | 2008 |
| Review article. Irish manuscripts in facsimile: 'The Schaffhausen Adomnán' | Wooding, Jonathan M. | Article in Journal | | 2015 |
| Review article. Louis Cullen, at home and abroad | Truxes, Thomas M. | Article in Journal | | 2012 |
| Review article. Once upon a time in the West | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Journal | | 2008 |
| Review essay : Cormac Ó Gráda, Ireland a new economic history 1780-1939 | Cullen, L. M. (Louis Michael) | Article in Journal | | 1996 |
| Review essay. Debating 'The Atlas of the Great Irish Famine' | Corporaal, MarguériteCronin, NessaCrowley, JohnGodson, LisaKearns, GerryMurphy, MikeSmyth, William J.Ó Tuathaigh, M.A. G. (Gearóid) | Article in Journal | | 2014 |
| Review of Bieler (L.), 'The life and legend of St Patrick', 1949 | Shepherd, M. H., Jr. | Article in Journal | | 1951 |
| Review of Southern (A.C.), 'Elizabethan recusant prose' 1950 | Allison, A. F.Rogers, D. M. | Article in Journal | | 1951 |
| Revisiting contemporary Irish migration : new geographies of mobility and belonging | Gilmartin, M.White, Allan | Article in Journal | | 2008 |
| Revival on the causeway coast : the 1859 revival in and around Coleraine | Railton, Nicholas M. | Monograph or Collective Volume | Christian Focus | 2009 |
| Rewarding Informers in Cain Domnaig and the Laws of Wihtred | Eska, Charlene M. | Article in Journal | | 2006 |
| Reweaving the tapestry of ancient Ulster | Schleger, Donald M. | Article in Journal | | 2002 |
| Ribbon Societies in nineteenth-century Ireland and its diaspora : the persistence of tradition | Hughes, KyleMacRaild, Donald M. | Monograph or Collective Volume | Liverpool University Press | 2018 |
| Richard Colley Wellesley : an Anglo-Irish advocate of Catholic emancipation | Demichele, M. D. | Article in Journal | | 1970 |
| Richard de Ledrede, John Clyn, James Grace, David Rothe : the earliest chroniclers of Kilkenny | Phelan, Margaret M. | Article in Book | | 1990 |
| Richard John Ussher | Barrington, R.M. | Article in Journal | | 1913 |
| Richard Kirwan, a Galway scientist, 1733-1812 | Kirwan, Eva M. | Article in Book | | 1984 |
| Richard Ledrede, bishop of Ossory | Lanigan, K. M. | Article in Journal | | 1963 |
| Richard Warren, Andrew Gallwey and the smugglers of Rush : an entrepot in Belle-Ile-en-Mer, 1766-70 | Cullen, L. M. (Louis Michael) | Article in Book | | 2009 |
| Richard Whately and political economy in school books, 1833-80 | Goldstrom, J. M. | Article in Journal | | 1966 |
| Ringfort morphology and distribution on the Loop Head Peninsula, County Clare | Chapple, Robert M. | Article in Journal | | 2003 |
| Rinuccini comes to Ireland | Gaffney, H. M. | Article in Journal | | 1940 |
| Riotous performances : the struggle for hegemony in the Irish theater, 1712-1784 | Burke, Helen M. | Monograph or Collective Volume | University of Notre Dame Press | 2003 |
| Rising and Union, 1791-1801 | Geoghegan, Patrick M. | Article in Book | | 2014 |
| Roasting a man alive : the case of Mary Rielly, criminal lunatic | Prior, Pauline M. | Article in Journal | | 2006 |
| Robert Emmet : a life | Geoghegan, Patrick M. | Monograph or Collective Volume | Gill & Macmillan | 2002 |
| Robert Emmet and the rebellion of 1803 | Geoghegan, Patrick M. | Article in Journal | | 2003 |
| Robert Giffen and the Irish potato | Dwyer Jr., Gerald P.Lindsay, Cotton M. | Article in Journal | | 1984 |
| Robert Jameson's Irish journal, 1797 | Sweet, J. M. | Article in Journal | | 1967 |
| Robert Walsh : his story | Lochemes, M. Frederick | Monograph or Collective Volume | American Irish Historical Society | 1941 |
| Robin McNee Findlay (28 Aug 1934-23 April 2009) | M., P. | Article in Journal | | 2009 |
| Roger Boyle, First Earl of Orrery | Lynch, K. M. | Monograph or Collective Volume | University of Tennessee Press | 1965 |
| Roger Chambers Walker : a Sligo antiquarian | Ireland, Aideen M. | Article in Journal | | 2002 |
| Roger David Casement | Joy, M. | Article in Book | | 1916 |
| Roman Catholic church architecture in Great Britain and Ireland, 1829-1878 | O’Donnell, R. M. | Thesis | | |
| Roman Catholic dispensation records and genealogy in Brooklyn in the nineteenth century | Silinonte, Joseph M. | Article in Journal | | 1998 |
| Romewards | McManus, M. J. | Article in Book | | 1937 |
| Rothe House, thoughts and memories | Phelan, Margaret M., 1902-2000 | Article in Journal | | 2022 |
| Roundwood and Moneystown : an essay in parish history | Nevin, M. | Monograph or Collective Volume | The author | 1985 |
| Royal succession and abbatial prerogative in Adomnán's Vita Columbae | Enright, M. J. | Article in Journal | | 1985 |
| Royal visitation of Cashel and Emly, 1615 | Murphy, M. A. | Article in Journal | | 1912 |
| Rum, romanism, and evangelism : Protestants and Catholics in late-nineteenth-century Boston | Bendroth, M. | Article in Journal | | 1999 |
| Rural Ireland in the early twentieth century : conflict, rebellion, and key developments | | Monograph or Collective Volume | Cambridge Scholars Publishing | 2024 |
| Rural life in northern Ireland | Mogey, J. M. | Monograph or Collective Volume | Oxford University Press | 1947 |
| Rural politics in County Meath, Ireland: ethnographic and historical studies | Wilson, Thomas M. | Monograph or Collective Volume | Edwin Mellen Press | 2013 |
| Rural rides [by William Cobbett] in the southern, western and eastern counties of England, together with Tours in Scotland and in the northern and midland counties of England, and Letters from Ireland. 3 vols. | Cobbett, William, 1763-1835Cole, George Douglas Howard, 1889-1959Cole, M. | Monograph or Collective Volume | | 1930 |
| Rural society in Connacht, 1600-1640 | Graham, Jean M. | Article in Book | | 1970 |
| Rych's 'Anatomy of Ireland', with an account of the author | Hinton, E. M. | Article in Journal | | 1940 |
| Sacred time in early Christian Ireland : the monks of the Navigatio and the Céli Dé in dialogue to explore the theologies of time and the Liturgy of the Hours in pre-Viking Ireland | Rumsey, Patricia M. | Monograph or Collective Volume | Continuum / T & T Clark | 2007 |
| Sacred time in early Christian Ireland : the Nauigatio and the Céilí Dé in dialogue to explore the theologies of time and the liturgy of the hours in pre-Viking Ireland | Rumsey, Patricia M. | Thesis | | |
| Saint Aidan in England | Wallace-Hadrill, J. M. | Article in Book | | 1963 |
| Saint Benedict's priory, Cobh | Stephens, M. Angela | Article in Book | | 2005 |
| Saint Patrick's town : a history of Downpatrick and the Barony of Lecale | Wilson, Anthony M. | Monograph or Collective Volume | Isabella | 1995 |
| Saintfield parish under the microscope | Perceval-Price, M. C. | Monograph or Collective Volume | The author | 1976 |
| Saints and angry neighbours : the politics in cursing in Irish hagiography | Bitel, Lisa M., 1958- | Article in Book | | 2000 |
| Saints' cults and the early Irish church | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Journal | | 2007 |
| Sale of de Valera letter | Farrell, M. | Article in Journal | | 1994 |
| Samuel Bell Labatt, 1770-1849 : pioneer in preventive medicine in Ireland | McCabe, A. M. E. | Article in Journal | | 1962 |
| Samuel Johnson, the Ossian fraud, and the Celtic revival in Great Britain and Ireland | Curley, Thomas M. | Monograph or Collective Volume | Cambridge University Press | 2009 |
| Samuel Whyte and the politics of eighteenth-century Irish private theatricals | Burke, Helen M. | Article in Book | Cambridge University Press | 2020 |
| Sancti Columbani opera | | Monograph or Collective Volume | Institute for Advanced Studies | 1957 |
| Sandymount and the Herberts | Hussey, M. O. | Article in Journal | | 1971 |
| Sankt Fridolin und sein Biograph Balther : Irische Heilige in der literarischen Darstellung des Mittelalters | Koch, M. | Monograph or Collective Volume | Fretz & Wasmuth | 1959 |
| Saving Sutton Strand | Cody, P(at) M. | Monograph or Collective Volume | Capel Publications | 2002 |
| Saying "no" to politics : Sean O'Casey's Dublin trilogy | Mustafa, Shakir M. | Article in Book | | 2000 |
| Scandinavian Settlement | Hadley, Dawn M. | Article in Book | | 2009 |
| Scéal Grinn? Jokes, Puns, and the Shaping of Bilingualism in Nineteenth-Century Ireland | Wolf, Nicholas M. | Article in Journal | | 2009 |
| Scotland and Ireland, 1600-1800 : their role in the evolution of British society | Cullen, L. M. (Louis Michael) | Article in Book | | 1989 |
| Scots Clan Donald in Dartree and Monaghan baronies | Schlegel, Donald M. | Article in Journal | | 1999 |
| Scottish Cant words | Falconer, GavinKirk, John M. | Article in Book | | 2002 |
| Scottish Catholicism 1560-2005 | Halloran, Brian M. | Article in Book | | 2005 |
| Scottish influences in the north of Ireland : castles with Scottish features, 1580-1640 | Jope, E. M. | Article in Journal | | 1951 |
| Sé Ghlúin Éireannacha : cúrsaí an tsaoil in Éirinn 1790-1970 | Cullen, L. M. (Louis Michael) | Monograph or Collective Volume | Oifig an tSoláthair | 1970 |
| Sea of life: maritime items in the Down County Museum collection | Simpson, M. Lesley | Article in Journal | | 2002 |
| Sea raiders in the waters between Anglesey and Ireland during the 17th & 18th centuries | Williams, M. L. | Article in Journal | | 1946 |
| Seán Mac hÉil, ardeaspag agus conspóidí : athbhreithniú | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 1983 |
| Seán MacEntee : a political life | Feeney, Tom (Thomas M.) | Monograph or Collective Volume | Irish Academic Press | 2009 |
| Sean Moylan: some aspects of his parliamentary career, 1937-1948 | Magner, Margaret M. Eileen | Thesis | | 1983 |
| Seán Ó Neachtáin : an eighteenth century Irish writer | Risk, M. H. | Article in Journal | | 1975 |
| Seán Ó Neachtuin : an eighteenth-century Irish writer | Risk, M. H. | Article in Journal | | 1975 |
| Sectarian tension and the Barrow anti-Irish riot of 1864 | MacRaild, Donald M. | Article in Journal | | 1996 |
| Sectarianism, socioeconomic competition and the political economy of Ulster loyalism | McGovern, M.Shirlow, Peter | Article in Journal | | 1996 |
| Select bibliography of James | Hogan, E. M.Ó Corráin, Donnchadh | Article in Book | | 2001 |
| Selections from old Kerry records | Hickson, M. A. | Monograph or Collective Volume | | 1872 |
| Sentry Hill : an Ulster farm and family | Walker, B. M. (Brian Mercer) | Monograph or Collective Volume | Blackstaff Press | 1981 |
| Sentry Hill : an Ulster farm and family | Walker, B. M. (Brian Mercer) | Monograph or Collective Volume | Friar's Bush | 1991 |
| Serving France, Ireland, and England : Ruvigny, Earl of Galway, 1648-1720 | Léoutre, Marie M. | Monograph or Collective Volume | Routledge | 2018 |
| Seven thousand years of alternative history : the tree-ring story | Baillie, M. G. L. | Article in Journal | | 1999 |
| Seventeenth-century fortifications, forts and garrisons in Ireland : a preliminary list | Kerrigan, P. M. | Article in Journal | | 1980 |
| Seventeenth-century Irish parish church music | Neary, Denise M. | Article in Book | | 2009 |
| Shadows on glass : a portfolio of early Ulster photography | Walker, B. M. (Brian Mercer) | Monograph or Collective Volume | Appletree Press | 1976 |
| Shadows on glass : a portfolio of early Ulster photography | Walker, B. M. (Brian Mercer) | Monograph or Collective Volume | Appletree Press | 1994 |
| Shame and reparation : women's place in the kin | Owen, M. E. | Article in Book | NA | 1980 |
| Shane O'Neill's last letter | Smith, Ronald M. | Article in Journal | | 1953 |
| Shaping the city, shaping the subject: honour, affect and agency in John Gwynn's London and Westminster improved (1766) | Dodsworth, F. M. | Article in Book | | 2012 |
| Shillelagh : looking back | Tyner, Irene M. | Monograph or Collective Volume | Irene M. Tyner | 1992 |
| Shopkeeper-graziers and land agitation in Ireland, 1895-1900 | Gibbons, J. P.Higgins, M. D. | Article in Book | | 1982 |
| Shorthand in Ireland from Grattan's Parliament to the present day | O'Malley, M. | Monograph or Collective Volume | Browne and Nolan | 1939 |
| Siccitas magna ultra modum: examining the occurrence and societal impact of droughts in prehistoric Ireland | Brown, David M.Plunkett, GillSwindles, Graeme T. | Article in Book | | 2021 |
| Signal station ceremony recalls first Irish arrivals | McCord, M. E. | Article in Journal | | 1992 |
| Signal towers on the West Cork coast | Kerrigan, Paul M. | Article in Journal | | 2003 |
| Signal towers on the west Cork coast | Kennyan, Paul M. | Article in Journal | | 2003 |
| Signalling at Ballynahinch Junction | Christensen, M. | Article in Journal | | 1994 |
| Sir Arthur Kennedy, Australian colonial governor and the Great Famine in Ireland | Geary, Laurence M. | Article in Book | | 2000 |
| Sir Brian and Lady Mary MacMahon | Schlegel, Donald M. | Article in Journal | | 1996 |
| Sir John Davies and his Ulster buildings : Castlederg and Castle Curlews, Co. Tyrone | Waterman, D. M. | Article in Journal | | 1960 |
| Sir John French's resignation over the Curragh affair : the role of the editor of The Morning Post | Wilson, Keith M. | Article in Journal | | 1984 |
| Sir John Keane and Cappoquin House in time of war and revolution | Symes, Glascott J.M.R. | Monograph or Collective Volume | Four Courts | 2016 |
| Sir Richard Griffith : the man and his work | Hussey, M. O. | Article in Journal | | 1965 |
| Sir Richard Reade, Lord Chancellor of Ireland | Sorley, M. E. | Article in Journal | | 1962 |
| Sir Samuel Ferguson in the Ireland of his day. 2 vols. | Ferguson, M. C., Lady | Monograph or Collective Volume | | 1896 |
| Sir Thomas Wentworth's visit to Kilkenny, August 1637 | Phelan, Margaret M. | Article in Journal | | 1982 |
| Sir Walter Raleigh | Wallace, W. M. | Monograph or Collective Volume | | 1959 |
| Sir William Jones, the Celtic revival and the oriental renaissance | Franklin, M. J. (Michael J.) | Article in Book | | 2003 |
| Sisters of St John of God in Australia, 1895-1965 | Brennan, Mary M. | Thesis | | 2003 |
| Sisters of the brotherhood : female Orangeism on Tyneside in the late nineteenth and early twentieth centuries | MacPherson, D. A. J.MacRaild, Donald M. | Article in Journal | | 2006 |
| Six generations : life and work in Ireland from 1790 | Cullen, L. M. (Louis Michael) | Monograph or Collective Volume | Mercier Press | 1970 |
| Sketches legal and political. 2 vols. | Savage, M. W.Sheil, R. L. | Monograph or Collective Volume | | 1855 |
| Skiddy's castle and Christ Church, Cork : excavations 1974-77 | Cleary, R.M.Hurley, M. F.Twohig, D. C.Twohig, Elizabeth Shee | Monograph or Collective Volume | Cork Corporation | 1997 |
| Skull and cross-bones : the Cobh rugby story | Kidney, John M. | Monograph or Collective Volume | John M. Kidney | 1990 |
| Sleeping with the enemy. Intermarriage between the Butlers of Ormond and the Fitzgeralds of Desmond | McCormack, Anthony M. | Article in Journal | | 2003 |
| Sliabh ua nAilealla and Bearnas ua nAilealla | Connellan, M. J. | Article in Journal | | 1950 |
| Sliocht Lachlain Maguire (1300-1600). Ecclesiastics of the Erne | Schlegel, Donald M.
| Article in Journal | | 2013 |
| Sloop of war/sloop of peace : Robert Bennet Forbes and the USS Jamestown | Fowler, William M., 1944- | Article in Journal | | 1986 |
| Smugglers in the Irish Sea in the eighteenth century | Cullen, L. M. (Louis Michael) | Article in Book | Queen's University of Belfast, Institute of Irish Studies | 1989 |
| Social conditions and urban conflict in Derry city (1830-70) | Duffy, T. M. | Article in Journal | | 1984 |
| Social structure | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 2009 |
| Social welfare adjudication in Ireland, 1847-95 : a diachronic analysis | Cousins, M. | Article in Journal | | 1993 |
| Societies and seminaries : technological exchange in Ulster agriculture | Norcio, Clare M. | Article in Book | | 2009 |
| Society and politics in pre-Norman Ireland | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 2010 |
| Soldier, adventurer and newspaper founder. A profile of Laurence Knox | Geoghegan, Patrick M. | Article in Journal | | 2009 |
| Some account of the parish of Graig-na-managh | Comerford, M., P.P. | Article in Journal | | 1883 |
| Some aspects of medieval culture in Ireland | Roe, H. M. | Article in Journal | | 1966 |
| Some Celtic kinship terms | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Journal | | 1971 |
| Some chapters of Cork medical history | Cummins, N. M. | Monograph or Collective Volume | Cork University Press | 1957 |
| Some Cork antiquarians and collectors in the nineteenth century | Ireland, Aideen M. | Article in Book | Four Courts | 2012 |
| Some deductions on ancient Irish trees from dendrochronology | Baillie, M. G. L.Brown, D. M. | Article in Book | | 1995 |
| Some documents relating to Galway | | Article in Journal | | 1939 |
| Some Downpatrick maps | Wilson, Anthony M. | Article in Journal | | 1990 |
| Some early Dublin potters | Fraser, A. M. | Article in Journal | | 1951 |
| Some early Murphys in North Carolina | O'Brien, M. J. | Article in Journal | | 1911 |
| Some Elizabethan and other maps of Lecale | Wilson, Anthony M. | Article in Journal | | 1997 |
| Some English, Scottish, Welsh and Irish arms in medieval continental rolls | Collins, S. M. | Article in Journal | | 1941 |
| Some files of Irish interest in the Bundesarchiv, Koblenz | Ireland, Aideen M. | Article in Journal | | 1976 |
| Some holy wells in Valencia and Portmagee | Delap, M. J. | Article in Journal | | 1997 |
| Some Irish immigrant weddings in Nova Scotia 1801-17 | Punch, Terence M. | Article in Journal | | 1974 |
| Some Irish immigrant weddings in Nova Scotia, 1841-1845 | Punch, Terence M. | Article in Journal | | 1977 |
| Some Irish immigrant weddings in Nova Scotia, 1818-25 | Punch, Terence M. | Article in Journal | | 1975 |
| Some Irish immigrant weddings in Nova Scotia, 1826-30 | Punch, Terence M. | Article in Journal | | 1975 |
| Some Irish immigrant weddings in Nova Scotia, 1834-40 | Punch, Terence M. | Article in Journal | | 1976 |
| Some Irish seventeenth century houses and their architectural ancestry | Waterman, D. M. | Article in Book | | 1961 |
| Some Italian bankers in Ireland in the later thirteenth century | O'Sullivan, M. D. (Mary Donovan) | Article in Journal | | 1949 |
| Some Kerry identifications | Dodd, M. J. de C. | Article in Journal | | 1940 |
| Some letters from St John Henry Newman arising from his denunciation of Giacinto Achilli | Cunningham, John M. | Article in Journal | | 2020 |
| Some letters of John P Leahy O.P., regarding 'The Obnoxious Clause' of the Catholic Relief Bill 1829 | Cunningham, John M.
| Article in Journal | | 2022 |
| Some notes on the abbey and cross of Moone and other places in the valley of Griese | Carroll, F. M. | Article in Journal | | 1895 |
| Some notes on the buildings of Drogheda Grammar School | Glynn, William M. | Article in Journal | | 1949 |
| Some notes on the Burkes | R, M. | Article in Journal | | 1900 |
| Some observations on a paper, call'd the report of the committee of the most honourable the privy council in England, relating to Wood's half-pence | Drapier, M. B. [i.e. Jonathan Swift] | Monograph or Collective Volume | | 1724 |
| Some observations on the mesolithic period in Ireland | Hodges, H. W. M. | Article in Journal | | 1953 |
| Some observations on the parallels concerning Ireland and India's respective experiences of imperial withdrawal | Downey, Declan M. | Article in Book | | 2001 |
| Some old Cork charities | Conlon, M. V. | Article in Journal | | 1943 |
| Some old Tralee notes | M., S. | Article in Journal | | 1997 |
| Some prehistoric monuments of Imokilly | O'Kelly, M. J. (Michael Joseph) | Article in Journal | | 1945 |
| Some Scottish bishops and ministers in the Irish Church, 1605-35 | Barkley, John M. | Article in Book | | 1967 |
| Some thoughts on early Irish roads and travel | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 2012 |
| Some tobacco pipes in Down Museum | Simpson, M. Lesley | Article in Journal | | 1989 |
| Some traces of the Irish settlers in the colony of Massachusetts Bay | O'Brien, M. J. | Article in Journal | | 1919 |
| Some unusual sources for the history of medicine in the National Archives of Ireland | Ireland, Aideen M. | Article in Journal | | 2008 |
| Some west coast aids to navigation : Clare Island, Killala and Slyne Head | Costelloe, M. P. L. | Article in Journal | | 1992 |
| Somersetshire and other foreign building stone in medieval Ireland, c. 1175-1400 | Waterman, D. M. | Article in Journal | | 1970 |
| Sources for Irish genealogy at the Irish Society of Genealogists | Camp, Anthony | Article in Book | | 1993 |
| Sources for Irish genealogy in the India Office records | Thomas, Timothy | Article in Book | | 1993 |
| Sources for the history of education in Co. Tipperary : a case-study from Fethard | Parkes, Susan M. | Article in Journal | | 1992 |
| Sources for the history of landed estates in Ireland | Dooley, Terence A. M. | Monograph or Collective Volume | Irish Academic Press | 2000 |
| Sources, controversies and silences. Bede, Muirchú, Patrick and Acgilbert | Rowley, Sharon M. | Article in Journal | | 2021 |
| South America | Canning, A. M. | Monograph or Collective Volume | Gill | 1971 |
| South Western Britain in the Dark Ages | Pearse, S. M. | Article in Journal | | 1971 |
| South-west Donegal in the seventeenth century | Graham, J. M. | Article in Journal | | 1969 |
| Southern Irish nationalism as a historical problem | Regan, John M., 1967- | Article in Journal | | 2007 |
| Southern Protestant voices during the Irish War of Independence and Civil War : reports from Church of Ireland synods | Walker, B. M. (Brian Mercer) | Article in Book | | 2020 |
| Spanish-Irish relations through the ages | | Monograph or Collective Volume | Four Courts | 2008 |
| Speeches and addresses in parliament, on the platform, and at the bar, 1859 to 1881 | Sullivan, A. M.Sullivan, T. D. | Monograph or Collective Volume | | 1878 |
| Spenser, Holinshed, and the Leabhar Gabhála | Smith, Ronald M. | Article in Journal | | 1944 |
| Sport and the contestation of cultural and ethnic identities in Scottish society | Bradley, Joseph M. | Article in Journal | | 1998 |
| Sport and the contestation of ethnic identity : football and Irishness in Scotland | Bradley, Joseph M. | Article in Journal | | 2006 |
| Sporting choices and the Irish in late 19th- and early 20th- century Scotland | Bradley, Joseph M. | Article in Book | | 2013 |
| Squelching the disloyal, Fenian-sympathising brood : T. W. Anglin and confederation in New Brunswick, 1865-6 | Baker, William M. | Article in Book | | 1988 |
| St Brendan's boat : dead hides and the living sea in Columban and related hagiography | Wooding, Jonathan M. | Article in Book | | 2001 |
| St Brocaidh of Imliuch Brocadha | Connellan, M. J. | Article in Journal | | 1949 |
| St Columban : monk or missionary? | Walker, G. S. M. | Article in Book | | 1970 |
| St Enda's | Pearse, Margaret M. | Article in Journal | | 1942 |
| St Mary and St Michael parish church, New Ross, 1902-2002 | Cullen, L. M. (Louis Michael)Others | Monograph or Collective Volume | A & A Farmar | 2001 |
| St Mary's Cathedral, Kilkenny : notes on the foundation, construction, furnishings | Phelan, Margaret M. | Monograph or Collective Volume | The author | 1972 |
| St Mary's priory, Devenish : excavation of the east range, 1972-4 | Waterman, D. M. | Article in Journal | | 1981 |
| St Patrick's two crossings of the Shannon | Connellan, M. J. | Article in Journal | | 1951 |
| St Saviour's Church, Dublin : centenary 1861-1961 | O'Riordan, W. M. | Article in Journal | | 1962 |
| St. Bega : cult, fact and legend | Todd, John M. | Article in Journal | | 1980 |
| St. Enoch's congregation, 1872-1972 : an account of Presbyterianism in Belfast | Barkley, John M. | Monograph or Collective Volume | St Enoch's Church | 1972 |
| St. John's community centre, 1980-1984 remembered | Egan, M. | Article in Journal | | 2004 |
| St. Patrick's Purgatory : Francesco Chiericati's letter to Isabella d'Este | Purcell, M. | Article in Journal | | 1987 |
| St. Paul's church, Bray | Turner, M. K. (Kathleen) | Article in Journal | | 1977 |
| St. Paul's parish, Dublin | Best, Edith M. | Article in Journal | | 1974 |
| Stair '72 I | Cullen, L. M. (Louis Michael) | Article in Journal | | 1972 |
| Stair an Síle-na-gig | Ó Seaghdha, M. | Article in Book | | 1947 |
| Stair-Sheanchas sean-chríche Osraidhe go dtí A.D. 908 | Mortimer, M. Doyle (Ó Dubhghaill, Muircheartách M.) | Thesis | | 1937 |
| State, society and authority in Ireland : the foundations of the modern state | MacMillan, Gretchen M. | Monograph or Collective Volume | Gill & Macmillan | 1993 |
| State-family relations under negotiation : reforming school attendance law in the Irish Free State | Smith, Karen M. | Article in Journal | | 2016 |
| State–family relations under negotiation : reforming school attendance law in the Irish Free State | Smith, Karen M. | Article in Journal | | 2016 |
| Statues on public buildings in Dublin, with a little about shop signs | Fraser, A. M. | Article in Journal | | 1939 |
| Stone monuments in the Slieve Gullion area | Weatherup, D. R. M. | Article in Journal | | 1990 |
| Stories about Diarmait mac Cerbaill from the Book of Lismore | Wiley, Dan M. | Article in Journal | | 2002 |
| Stottiana for 1000 years | Stott, M. D.Stott, W. T. | Article in Journal | | 1952 |
| Strangers in our midst : middling people, revolution and counter-revolution in twentieth-century Ireland | Regan, John M., 1967- | Article in Journal | | 2001 |
| Studies in building history : essays in recognition of the work of B.H.St.J. O'Neil | Jope, E. M. | Monograph or Collective Volume | | 1961 |
| Stylistic influences in early Manx sculpture | Wilson, David M. | Article in Book | | 2009 |
| Succession lists of parish priests in the archdiocese of Dublin, 1771-1963 | O'Riordan, W. M. | Article in Journal | | 1971 |
| Sugar Creek : life on the Illinois prairie | Faragher, J. M. | Monograph or Collective Volume | Yale University Press | 1986 |
| Supply elasticities, rationality, and structural change in Irish agriculture, 1850-1925 | Dziegiclewski, M.Nicholas, S. J. | Article in Journal | | 1980 |
| Surnames of county Mayo | Delaney, Gerard M. | Article in Journal | | 1995 |
| Swift et son temps | Bouvier-Ajam, M. | Article in Journal | | 1967 |
| Swift in County Armagh | Weatherup, D. R. M. | Article in Journal | | 1998 |
| Swift's Modest proposal (1729) : historical context and political purpose | Cullen, L. M. (Louis Michael) | Article in Book | | 2016 |
| Swifte's heath | De Saubruit, G. M. | Article in Journal | | 1978 |
| Symbol of predjudice - football and the Catholic community in Scotland | Bradley, Joseph M. | Article in Journal | | 1996 |
| T. E. Cliffe Leslie, Irish social reform, and the origins of the English historical school of economics | Koot, G. M. | Article in Journal | | 1975 |
| Táin Bó Cúailnge, hagiography and history | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 2015 |
| Taken for a ride : betting coups and scandals | Hyland, Francis P. M. | Monograph or Collective Volume | Gill & Macmillan | 2006 |
| Tattooed lady? : a carved stone head from the graveyard of Killogilleen, Co. Galway | Chapple, Robert M. | Article in Journal | | 2005 |
| Teacups, saucers and dinner plates : English ceramic exports to Ballykilcline | Brighton, Stephen A.White, Jessica M. Levon | Article in Book | | 2006 |
| Teague and the Ethnicization of Labor in Early Modern British Culture | Burke, Helen M. | Article in Journal | | 2005 |
| Technical instruction in Ireland, 1900 | Clune, M. J. | Article in Journal | | 1982 |
| Temporality and finance in Post-crash Ireland : Paul Murray’s The Mark and the Void | Mulhall, Anne M. | Article in Journal | | 2022 |
| Terror and discord : the Shemus cartoons in the Freeman's Journal, 1920-1924 | Larkin, Felix M. | Monograph or Collective Volume | A & A Farmar | 2009 |
| Terrorism and trust in Northern Ireland | Fierke, K. M. | Article in Journal | | 2009 |
| Terroristic murder in Northern Ireland : who is killed and why? | Pockrass, Robert M. | Article in Journal | | 1987 |
| Tests for macroeconomic feedback from large-scale migration based on the Irish experience, 1948-87 : a note | Walsh, Brendan M. | Article in Journal | | 1989 |
| Tests for the macroeconomic effects of large-scale migration based on the Irish experience, 1948-87 : a comment | Lucey, Brian M. | Article in Journal | | 1989 |
| Tests for the macroeconomic effects of large-scale migration based on the Irish experience, 1948-87 : a rejoinder | Walsh, Brendan M. | Article in Journal | | 1989 |
| That favourite resort : the story of Bray, Co. Wicklow | Davies, K. M. (Kathleen Mary) | Monograph or Collective Volume | Wordell | 2007 |
| That most distressful nation : the taming of the American Irish | Greeley, Andrew M. | Monograph or Collective Volume | Quadrangle | 1972 |
| Thatch | Mogey, J. M. | Article in Journal | | 1940 |
| The "daring experiment" : the London County Council and the discharge from care of children to Ireland in the 1950s and 1960s | Garrett, P. M. | Article in Journal | | 2003 |
| The "German" Smyths of Carlow county | Smyth, M. Gregg | Article in Journal | | 1995 |
| The "language in which they spoke in '98" : the Irish language and the centenary of 1798 in Ireland and Australia | Wooding, Jonathan M. | Article in Book | | 2000 |
| The "Shemus" cartoons in the 'Freeman's Journal' | Larkin Felix M. | Article in Journal | | 2012 |
| The "suppression" of the Volunteers and the United Irishmen : sources and interpretation, 1792-1794 | Cullen, L. M. (Louis Michael) | Article in Book | | 2007 |
| The 'Agricultural Record/ASA Record' | Lewis, B. M.McArdle, Peter | Article in Book | | 1992 |
| The 'Bandon Valley Massacre' as a historical problem | Regan, John M., 1967- | Article in Journal | | 2012 |
| The 'chaplaincy question' at Belfast District Asylum, 1834-1870 | Griffiths, David V.Prior, Pauline M., | Article in Book | | 2012 |
| The 'college builder' - Thomas Whitehouse? | Pollard, M. | Article in Journal | | 1993 |
| The 'Corpus Iuris Hibernici' | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Journal | | 1980 |
| The 'Doon' of Drumsna - gateways to Connacht | Buckley, Victor M.Condit, Tom | Article in Journal | | 1989 |
| The 'Dublin Evening Post', 1826 | Tutty, M. J. | Article in Journal | | 1971 |
| The 'FitzGerald' contraction | Bork, A. M. | Article in Journal | | 1966 |
| The 'Forty-eight men in exile | MacManus, M. J. | Article in Book | | 1945 |
| The 'green ghost' : Canada's Fenians and the raids | Toner, P. M. | Article in Journal | | 1981 |
| The 'Inhabitants' vs the 'Sovereign' : an historical ethnography of the making of the 'middle class' in an Irish corporate borough | Silverman, M. | Article in Book | | 1995 |
| The 'James Flannelly Chalice' : a seventeenth century chalice from the diocese of Killala | Chapple, Robert M. | Article in Journal | | 2000 |
| The 'lighter' side of Newry Canal | Waddell, M. J. | Article in Journal | | 1990 |
| The 'Mayflower' letters, 1757-58: Correspondence from Limerick to the Caribbean in the era of the Seven Years' War | Truxes, Thomas M. | Article in Journal | | 2017 |
| The 'moat' at Castletown Kilberry, Co. Meath | Moore, M. J. | Article in Journal | | 1988 |
| The 'Radio Train' | R., P.W., M. J. | Article in Journal | | 2007 |
| The 'strange and unaccountable' John Van Nost : the making of a sculptural career in eighteenth-century Ireland | Sullivan, M. G. | Article in Book | | 2016 |
| The 'Sword' speech in context | Hearne, John M. | Article in Journal | | 2003 |
| The 1798 rebellion in its eighteenth century context | Cullen, L. M. (Louis Michael) | Article in Book | | 1985 |
| The 1798 Rebellion in Wexford : United Irishman Organisation, Membership and Leadership | Cullen, L. M. (Louis Michael) | Article in Book | | 1987 |
| The 1885 and 1886 general elections : a milestone in Irish history | Walker, B. M. (Brian Mercer) | Article in Book | | 1994 |
| The 1885 and 1886 general elections in Ireland | Walker, B. M. (Brian Mercer) | Article in Journal | | 2005 |
| The 1923 Land Act : some new perspectives | Dooley, Terence A. M.McCarthy, Tony | Article in Book | | 2015 |
| The 1930's : consolidation but still discrimination | Parkes, Susan M. | Article in Book | | 2004 |
| The 1940's : college during the emergency and after | Parkes, Susan M. | Article in Book | | 2004 |
| The 1950's : breaking the mould | Parkes, Susan M. | Article in Book | | 2004 |
| The 1956 polio epidemic in Cork | Geary, Laurence M. | Article in Journal | | 2006 |
| The Abbé Edgeworth | Masterson, M. J. | Article in Journal | | 1940 |
| The Abbé Edgeworth (1745-1807) | Woodgate, M. V. | Monograph or Collective Volume | Browne and Nolan | 1945 |
| The abbey of Holy Cross | Callanan, M. | Monograph or Collective Volume | Printed for the author at the Sign of the Three Candles | 1933 |
| The absolute dating of archaeological excavations in Ulster carried out by Northern Archaeological Consultancy Ltd, 1998-2007 | Chapple, Robert M. | Article in Journal | | 2008 |
| The Adelaide Hospital School of Nursing, 1859-2009 : a commemorative history | Fealy, Gerard M. | Monograph or Collective Volume | Columba | 2009 |
| The Admiral Sims incident : Irish Americans and social tensions in the 1920's | Carroll, Francis M. | Article in Journal | | 1993 |
| The age of De Valera | | Monograph or Collective Volume | Ward River Press | 1982 |
| The agricultural statistics of the 1841 census in Ireland : a critical review | Bourke, P. M. A. (Austin) | Article in Journal | | 1965 |
| The Airgíalla charter poem : the legal content | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 2005 |
| The American achievement : a report from Great Ireland | Greeley, Andrew M. | Article in Book | | 1980 |
| The American Commission on Irish Independence : the diary, correspondence and report | | Monograph or Collective Volume | Government Publications Sale Office [for] Irish Manuscripts Commission | 1985 |
| The American commission on Irish independence and the Paris peace conference of 1919 | Carroll, Francis M. | Article in Journal | | 1985 |
| The American Committee for Relief in Ireland, 1920-22 | Carroll, F. M. | Article in Journal | | 1982 |
| The American presence in Ulster : a diplomatic history, 1796-1996 | Carroll, Francis M. | Monograph or Collective Volume | Catholic University of America Press | 2005 |
| The annals in Cotton MS Titus A XXV | | Monograph or Collective Volume | | 1929 |
| The annals in Cotton MS Titus A XXV | | Article in Journal | | 1927 |
| The annals of Loch Cé. A chronicle of Irish affairs from A.D. 1014 to A.D. 1590. | | Monograph or Collective Volume | | 1965 |
| The approach of government : community relations and equity | Gallagher, A. M. | Article in Book | | 1995 |
| The archaeological evidence for a 'bull cult' in late bronze age Europe | Coles, John M. | Article in Journal | | 1965 |
| The archaeology of Lough Gur | Cleary, Rose M. | Monograph or Collective Volume | Wordwell
| 2018 |
| The Archedekins or MacCodys | Phelan, Margaret M. | Article in Journal | | 1990 |
| The architect of two partitions or a federalist daydreamer? the curious case of Reginald Coupland | Dubnov, Arie M. | Chapter in Book | | 2019 |
| The archives of the diocese of Cork & Ross, Ireland | Bolster, M. A. | Article in Journal | | 1988 |
| The Arian schism in Ireland, 1830 | Barkley, John M. | Article in Book | | 1972 |
| The Armagh Public Library 1771-1973 | Weatherup, D. R. M. | Article in Journal | | 1976 |
| The Armagh Workhouse alias Tower Hill Hospital The Southern Health & Social Services Board Headquarters | Weatherup, D.R.M. | Article in Journal | | 2010 |
| The army, the press, and the 'Curragh incident', March 1914 | Connelly, M. L. | Article in Journal | | 2011 |
| The art and science of political economy : Nassau Senior and Ireland in the 1830s | Boylan, Ciara M.Boylan, Thomas A. | Article in Book | | 2010 |
| The Ashford poetess | Fitzpatrick, H. M. | Article in Journal | | 1991 |
| The aspiring adept : Robert Boyle and his alchemical quest | Principe, Lawrence M. | Monograph or Collective Volume | Princeton UP | 1998 |
| The associationalism of the Orange diaspora | MacRaild, Donald M. | Article in Book | | 2007 |
| The Australasian Response to the Irish Crisis, 1879-80 | Geary, Laurence M. | Article in Book | | 1989 |
| The authorship of 'Whitehall' (1827) | Wardle, R. M. | Article in Journal | | 1941 |
| The Bachelor in Education (Home Economics) degree, 1977- : St. Catherine's College in association with Trinity College Dublin | Parkes, Susan M. | Article in Book | | 2007 |
| The Bagenalstown & Wexford Railway revisited | Feeley, J.M.Sheehan, J. | Article in Journal | | 2007 |
| The Bagots of Nurney | Drury, Charles M. | Article in Journal | | 1914 |
| The Ballycastle Railway | Patterson, E. M. | Monograph or Collective Volume | Colourpoint Books | 2006 |
| The Ballycastle railway : a history of the narrow-gauge railways of north east Ireland : part 1 | Patterson, E. M. | Monograph or Collective Volume | David & Charles | 1965 |
| The Bank of Ireland, 1721 : land, credit and dependency | Ryder, M. | Article in Journal | | 1982 |
| The Bantry Bay boat : the officers' barge from the frigate Résolue, 1796 | Kerrigan, Paul M. | Article in Journal | | 2001 |
| The barony of Connell | Nolan, M. M. | Article in Journal | | 1949 |
| The Barrow uncrossed : Fr. Peter O'Neill, and the events in East Co. Cork during the 1798 rebellion, which surrounded his arrest and transportation | O'Neill, Philip M. | Monograph or Collective Volume | Ballydaniel | 1998 |
| The Barton estate and Lough Bawn in county Monaghan | Schlegel, Donald M. | Article in Journal | | 1995 |
| The Batavian Republic and Ireland, 1797 | Kramers, C. J. M. | Article in Journal | | 1996 |
| The Batteries, Athlone | Kerrigan, Paul M. | Article in Journal | | 1978 |
| The battle of Corann | Dobbs, M. E. (Margaret E.), 1871-1962 | Article in Journal | | 1949 |
| The Belfast and Co. Down railway : its decline and fall | Arnold, R. M. | Article in Journal | | 1955 |
| The Belfast and county Down railway | Patterson, E. M. | Monograph or Collective Volume | David & Charles | 1982 |
| The Belfast Field Club in Donegal | Thompson, S.M. (Miss) | Article in Journal | | 1894 |
| The bibliography of regional fiction in Britain and Ireland, 1800-2000 | Snell, K. D. M. | Monograph or Collective Volume | Ashgate | 2002 |
| The Big House and Famine memory: Strokestown Park House | Dooley, Terence A. M. | Article in Book | | 2012 |
| The big houses and landed estates of Ireland : a research gudie | Dooley, Terence A. M. | Monograph or Collective Volume | Four Courts | 2007 |
| The Birth of the Irish Free State, 1921-1923 | Curran, J. M. | Monograph or Collective Volume | Alabama UP | 1980 |
| The Black and Tans : British police and auxiliaries in the Irish War of Independence, 1920-1921 | Leeson, D. M. | Monograph or Collective Volume | Oxford University Press | 2011 |
| The Blackwater Catholics and county Cork society and politics in the eighteenth century | Cullen, L. M. (Louis Michael) | Article in Book | | 1993 |
| The Blessed Virgin Mary | O'Brien, Susan | Article in Book | Oxford University Press | 2023 |
| The bloodiest year 1972 : British soldiers in Northern Ireland in their own words | Wharton, Ken M. | Monograph or Collective Volume | Spellmount | 2011 |
| The Book of Fenagh in Irish and English | | Monograph or Collective Volume | | 1939 |
| The Book of Fenagh: in Irish and English: originally compiled by St. Caillin, archbishop, abbot and founder of Fenagh, alias Dunbally of Moy-Rein, tempore St Patricii, with the contractions resolved and (as far as possible) the original text restored / | | Monograph or Collective Volume | The Stationery Office | 1939 |
| The Book of Leinster, formerly Lebar na Núachongbála. 5 vols. | | Monograph or Collective Volume | Institute for Advanced Studies | 1954 |
| The Book of Public Arms. A cyclopaedia of the armorial bearings, heraldic devices, and seals ... of counties, cities ... of the United Kingdom ... | | Monograph or Collective Volume | | 1894 |
| The Bordeaux-Dublin letters, 1757 : correspondence of an Irish community abroad | | Monograph or Collective Volume | Oxford UP for the British Academy | 2013 |
| The borough of Youghal | Conlon, M. V. | Article in Journal | | 1945 |
| The brandy trade under the Ancien Régime : regional specialisation in the Charente | Cullen, L. M. (Louis Michael) | Monograph or Collective Volume | Cambridge UP | 1998 |
| The Brehon - Ireland's ancient arbitrator | Sullivan, A. M. | Article in Journal | | 1956 |
| The bridges at Portadown | Weatherup, D. R. M. | Article in Journal | | 1975 |
| The bridges over the Liffey | Tinsley, M. E. | Monograph or Collective Volume | The author | 1978 |
| The brightest jewel : a history of the National Botanic Gardens, Glasnevin, Dublin | Nelson, E. Charles ; McCracken, E. M. | Monograph or Collective Volume | Boethius Press | 1987 |
| The brilliant Francis from Drumalig, Saintfield | Minnis, E. E. M. | Article in Journal | | 1982 |
| The British Auxiliary Legion in the first Carlist War in Spain, 1835-1838 : a forgotten army | Brett, Edward M. | Monograph or Collective Volume | Four Courts | 2005 |
| The British folklorists : a history | Dorson, R. M. | Monograph or Collective Volume | | 1968 |
| The British Isles according to medieval Arabic authors | Dunlop, D. M. | Article in Journal | | 1957 |
| The brown-robed Irish Army | Isacsson, Alfred, O.Carm. | Article in Journal | | 2010 |
| The buannadha : Irish professional soldiery of the sixteenth century | Ó Báille, M. | Article in Journal | | 1946 |
| The building of Ballykilbeg House, Co. Down 1790-1792 | Waterman, D. M. | Article in Journal | | 1962 |
| The Building of the Public Record Office of Ireland and its destruction in 1922 | Ireland, Aideen M. | Article in Book | | 1999 |
| The burning of Ballynastragh, 9 March 1923 | Dooley, Terence A. M. | Article in Journal | | 2003 |
| The Burtons of Pollacton | Kelly, M. T. | Article in Journal | | 1972 |
| The Butte Irish : class and ethnicity in an American mining town, 1875-1925 | Emmons, David M. | Monograph or Collective Volume | University of Illinois Press | 1989 |
| The cabbage garden | Fraser, A. M. | Article in Journal | | 1957 |
| The campaign for Catholic emancipation, 1823-9 | Doherty, Gillian M.,O'Riordan, Tomás | Article in Book | | 2011 |
| The campaigns and history of the Royal Irish Regiment, 1 : From 1684 to 1902, by ... G. le M. Gretton; 2 : From 1900 to 1922, by ... Stannus Geoghegan. 2 vols. | Gretton, G. le M. | Monograph or Collective Volume | | 1911 |
| The canon tables of the Book of Kells | Friend, A. M. J. | Article in Book | | 1939 |
| The canons regular of St Augustine : the twelfth-century reform in action | Preston, Sarah, M. | Article in Book | | 2000 |
| The Cappoquin rebellion 1849 | Breen, Anthony M. | Monograph or Collective Volume | Drecroft | 1998 |
| The capture of the Hoche in 1798 | Kerrigan, P. M. | Article in Journal | | 1977 |
| The carbonised hazel nut shell fragments from Feature No. 283 at Haughey's Fort, Co. Armagh | McComb, Anne M. G. | Article in Journal | | 1998 |
| The career and correspondence of Thomas Allan, c. 1725-98 | Johnston, E. M. | Article in Journal | | 1957 |
| The cartographic record : Bray from maps | Davies, K. M. (Kathleen Mary) | Article in Book | | 1989 |
| The cartoonist as outsider : the case of Martyn Turner | Larkin, Felix M. | Article in Journal | | 2020 |
| The case of the snow 'Johnson' : New York city's Irish merchants and trade with the enemy during the Seven Years War | Truxes, Thomas M. | Article in Book | | 2003 |
| The castle of Bray | Davies, K. M. (Kathleen Mary) | Article in Journal | | 1986 |
| The catalogue of the archaeological museum at the Queen's University of Belfast, compiled by K. T. Frost in 1910 | Dunlop, William M.Hartwell, Barrie N. | Article in Journal | | 2004 |
| The cathach of Colum-cille | Maclennan, D. M. | Article in Journal | | 1939 |
| The Cathach of Colum-cille | Maclennan, D. M. | Article in Journal | | 1939 |
| The Catholic Church and religious culture in nineteenth-century Mayo | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | NA | 2014 |
| The Catholic Church and the hunger strikes of Terence MacSwiney and Bobby Sands | Scull, Margaret M. | Article in Journal | | 2016 |
| The Catholic church and the Northern Ireland troubles, 1968-1998 | Scull, Margaret M. | Monograph or Collective Volume | Oxford University | 2019 |
| The Catholic University of Ireland: financial contributions from the diocese of Waterford and Lismore | Hearne, John M. | Article in Journal | | 2016 |
| The Catholics and the Union | Geoghegan, Patrick M. | Article in Journal | | 2000 |
| The causes, development and relief of distress in Mayo in 1831 | O'Sullivan, Denis M. | Thesis | | 1968 |
| The census of the parish of St Mary Shandon, Cork (c. 1830) | Conlon, M. V. | Article in Journal | | 1945 |
| The centenary of Galway College (the text of a centenary lecture delivered in 1949 prepared for publication by Joe O'Halloran) | O'Sullivan, M. D. (Mary Donovan)
| Article in Journal | | 1999 |
| The centenary of St. Mel's cathedral 1840-1940 | Masterson, M. J. | Article in Journal | | 1940 |
| The central post from Navan Fort : the first step towards a better understanding of the early Iron Age | Baillie, M. G. L. | Article in Journal | | 1986 |
| The chair of German at Trinity College, Dublin, 1775-1866 | Raraty, M. M. | Article in Journal | | 1966 |
| The challenge of Chartism : Daniel O’Connell’s ideological war : a lecture in collaboration with the University of Notre Dame | Geoghegan, Patrick M. | Article in Journal | | 2019 |
| The challenge of reforming a ‘voter-friendly’ electoral system : the debates over Ireland’s single transferable vote | Farrell, David M.Harris, ClodaghSuiter, Jane | Article in Journal | | 2017 |
| The chaplaincy question : the Lord Lieutenant of Ireland versus the Belfast Lunatic Asylum | Griffiths, David V.Prior, Pauline M. | Article in Journal | | 1997 |
| The chapter closes | Patterson, Brenda M. H. | Article in Journal | | 1970 |
| The Chevalier Michel O'Donnell (1730-1807) - a Wild Goose from Mullet | O'Donnell, Francis M. | Article in Journal | | 2015 |
| The Chicago revival, 1876 : society and revivalism in a nineteenth century city | Robertson, Darrel M. | Monograph or Collective Volume | Scarecrow | 1989 |
| The Chronicle of Ireland | Charles-Edwards, T. M. (Thomas Mowbray) | Monograph or Collective Volume | Liverpool University Press | 2006 |
| The chronicles of a Gay Gordon | Gordon, Joseph M.Toomey, Thomas | Article in Journal | | 2003 |
| The chronology of La Tène art in Britain | Stead, Ian M. | Article in Book | | 2009 |
| The Church and settlement | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 1984 |
| The Church of Ireland | Hynes, M. J. | Article in Journal | | 1936 |
| The Church of Ireland : an illustrated history | | Monograph or Collective Volume | Booklink | 2013 |
| The Church of Ireland’s role in education in Northern Ireland | Pritchard, Rosalind M.O. | Article in Book | | 2019 |
| The Church of the Latter-day Saints and Irish records | Hunter, Dean J. | Article in Book | | 1993 |
| The city and the church : catholic beginnings in Newark, 1840-1870 | Ralph, Raymond M. | Article in Journal | | 1978 |
| The city of Dublin Steam Packet Company | Tutty, M. J. | Article in Journal | | 1963 |
| The Clogher cross | Duignan, M. V. (Michael V.) | Article in Book | | 1940 |
| The Clogher Valley Railway | Johnston, N.Patterson, E. M. | Monograph or Collective Volume | Colourpoint Books | 2004 |
| The Clogher Valley railway | Patterson, E. M. | Monograph or Collective Volume | David & Charles | 1972 |
| The Cochran estate | Punch, Terence M. | Article in Journal | | 1977 |
| The Colclough family | Cloney, S.M. | Article in Journal | | 1984 |
| The collapse of Home Rule and the United Irish League of America, 1910-18 : The centre did not hold | Carroll, Francis M. (Martin) | Article in Book | | 2016 |
| The college muniments | Griffin, M. | Article in Journal | | 1976 |
| The collegiate chapel, Cork | O'Kelly, M. J. (Michael Joseph) | Monograph or Collective Volume | University P. | 1946 |
| The communicators : the history of the Public Relations Institute of Ireland, 1953-1993 | Colley, M. | Monograph or Collective Volume | Public Relations Institute of Ireland | 1993 |
| The community in Northern Ireland | Mogey, J. M. | Article in Journal | | 1948 |
| The conflict between Flood and Grattan, 1782-3 | O'Connor, Theresa M. | Article in Book | | 1949 |
| The Congregation of Propaganda and the publication of Dr O'Brien's Irish dictionary, 1768 | Jones, F. M. | Article in Journal | | 1952 |
| The Congregation of the Holy Ghost and the evolution of the modern Irish missionary movement | Hogan, Edmund M. | Article in Journal | | 1984 |
| The connection between the Scottish clan MacQueen and the Irish clan MacSweeney | Sweeney, R. M. | Article in Journal | | 1962 |
| The conserving crowd : mass unionist demonstrations in Liverpool and Tyneside, 1912-13 | Jackson, Daniel M.MacRaild, Donald M. | Article in Book | | 2006 |
| The consolidation of the Irish revolution, 1921-1923 : the Free-Staters | Curran, Joseph M. | Article in Journal | | 1968 |
| The construction of the 'Hibernensis' | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Journal | | 1998 |
| The contemporary and later politics of Caoineadh Airt Ui Laoire | Cullen, L. M. (Louis Michael) | Article in Journal | | 1993 |
| The context and development of historical national accounts in Ireland | Cullen, L. M. (Louis Michael) | Article in Journal | | 2010 |
| The context and uses of literacy in early Christian Ireland | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 1998 |
| The contribution of Hugo Cavellus OFM (d.1626) to the theory of the understanding of material individuals | Apollonio Fi, Alessandro M. | Article in Book | | 2009 |
| The contributions of Ireland 1912-1985 to the history of the Irish language | Wolf, Nicholas M. | Article in Book | | 2024 |
| The Cork City flood of November 2009 : lessons for flood risk management and climate change adaptation at the urban scale | Jeffers, James M. | Article in Journal | | 2011 |
| The Cork goldsmiths' company, 1657 | Fahy, E. M. | Article in Journal | | 1953 |
| The correspondence of Abbot Smith, O.S.B. | Curran, M. J. | Article in Journal | | 1955 |
| The correspondence of James Boswell with David Garrick, Edmund Burke, and Edmond Malone | Baker, Peter StuartCopeland, ThomasKahrl, G. M.McClellan, RachelOsborn, James | Monograph or Collective Volume | | 1987 |
| The correspondence of William Good SJ and the Jesuit mission in Elizabethan Ireland,1564–c.1570 | DeWitt, Alexander G.McCoog, Thomas M. | Article in Book | | 2022 |
| The cost of living and standard of living of urban workers in Waterford, 1834-1856 | Hearne, John M. | Article in Journal | | 2001 |
| The Counter-Reformation | Jones, F. M. | Monograph or Collective Volume | Gill | 1967 |
| The coupon election of 1918 and unionist members of parliament | McEwan, J. M. | Article in Journal | | 1962 |
| The courtship of John Rooney and Katherine Cusack, 1887-93: obligations and marriage ideals in Irish-American New England | Burns, Catherine M. | Article in Journal | | 2012 |
| The crescent | Leonard, Denis M. | Article in Book | | 2000 |
| The Crescent | Denis, M. | Article in Journal | | 1996 |
| The crisis in Christianity, 1450-1600 | Downey, Declan M. | Monograph or Collective Volume | National Distance Education Council | 2003 |
| The Cromwellian settlement in Balyna parish, 1641-1688 | Hickey, N. M. | Article in Journal | | 1985 |
| The crowd in Philadelphia history : a comparative perspective | Feldberg, M. | Article in Journal | | 1974 |
| The cultural basis of modern Irish nationalism | Cullen, L. M. (Louis Michael) | Article in Book | | 1980 |
| The cultural reception of the Bible : explorations in theology, literature and the arts. Essays in honour of Fr Brendan McConvery, CSsR | | Monograph or Collective Volume | Open Air | 2018 |
| The cure of souls : a history of St. Brigid's Church of Ireland, Stillorgan | Ingram. John A. | Monograph or Collective Volume | The author | 1997 |
| The Dál Fiatach of county Down | Dobbs, M. E. (Margaret E.), 1871-1962 | Article in Journal | | 1945 |
| The Dál Fiatach of county Down | Dobbs, M. E. (Margaret E.), 1871-1962 | Article in Journal | | 1945 |
| The Damer family in county Tipperary | Fraser, A. M. | Article in Journal | | 1954 |
| The dark sacrament : exorcism in modern Ireland | Kiely, David M.McKenna, Christina | Monograph or Collective Volume | Gill & Macmillan | 2006 |
| The dark side of goodness : women, social norms and mental health | Prior, Pauline M. | Article in Journal | | 1996 |
| The date of "Navigatio S. Brendani abbatis" | Wooding, Jonathan M. | Article in Journal | | 2011 |
| The Dawning of the day | O'Brennan, Lily M. | Article in Journal | | 1936 |
| The De Salle Christian Brothers in New York, 1848-1914 | Dowd, Philip M. | Article in Journal | | 1992 |
| The death of Brother Edmund Ignatius Rice in the words of an eyewitness | Connolly, M. Austin | Article in Book | | 1994 |
| The death penalty in post-independence Ireland | Doyle, David M.O'Donnell, Ian | Article in Journal | | 2012 |
| The Debates of the Irish House of Commons 1776-1789 | Jernegan, M. W. | Article in Journal | | 1909 |
| The decline and fall of the Dukes of Leinster, 1872-1948 : love, war, debt and madness | Dooley, Terence A. M. | Monograph or Collective Volume | Four Courts | 2014 |
| The decline and fall of the I.R.B. | Curran, Joseph M. | Article in Journal | | 1975 |
| The decline of Carton House and estate, 1870-1950 | Dooley, Terence A. M. | Article in Journal | | 1994 |
| The decline of the big house in Ireland : a study of the Irish landed families, 1860-1960 | Dooley, Terence A. M. | Monograph or Collective Volume | Wolfhound | 2001 |
| The decline of the big house in Ireland, 1879-1950 | Dooley, Terence A.M. | Thesis | | 1996 |
| The decline of the Big House in Ireland, 1879-1950 | Dooley, Terence A. M. | Article in Journal | | 1998 |
| The decline of the house of Desmond, c.1510-1541 | McCormack, Anthony M. | Thesis | | 1995 |
| The decline of the Ormonde estate, 1893-1950 | Dooley, Terence A. M. | Article in Journal | | 1993 |
| The decline of Unionist politics in Monaghan, 1911-1923 | Dooley, Terence A. M. | Monograph or Collective Volume | St Patrick's College, Dept of Modern History | 1988 |
| The decorated bindings in Marsh's Library, Dublin | Foot, Mirjam M. | Monograph or Collective Volume | Ashgate | 2004 |
| The defence of Ireland 1797 | Kerrigan, Paul M. | Article in Journal | | 1998 |
| The defences of Ireland, 1793-1815 | Kerrigan, P. M. | Article in Journal | | 1983 |
| The defences of the Shannon : Portumna to Athlone 1793-1815 | Kerrigan, P. M. | Article in Book | | 1980 |
| The Derrynaflan hoard: some technical aspects of the objects | Dove, S.Hughes, M.J.Lang, J.Meeks, N.Newey, H.Ryan, D.Ó Floinn, Raghnall | Article in Journal | | 2019 |
| The Desmond lordship, 1540-1583 | McCormack, Anthony M. | Thesis | | 2001 |
| The Desmond survey of County Kerry | | Monograph or Collective Volume | | 1923 |
| The devaluation of 1460 and the origins of the Irish Pound | McDowell, J. M. | Article in Journal | | 1986 |
| The development of Berkeley's philosophy, 1708-10 | Zeidan, M. F. | Article in Journal | | 1963 |
| The dialects of Co. Clare | Holmer, Nils M. | Monograph or Collective Volume | Royal Irish Academy | 1962 |
| The diaries of Benjamin Greene of Hill House, Lecarrow, part 1 | Byrne, M.Greene, Benjamin | Article in Journal | | 2004 |
| The diaries of John Singleton of Quinville, co. Clare | Hewon, M. | Article in Journal | | 1977 |
| The Dickson and Conolly families of Ballyshannon | McWilliam, J. M. | Article in Journal | | 1959 |
| The Dillons: a Mayo family in history | Dillon, John M. | Article in Book | | 2014 |
| The diocese of Armagh | Fleming, W. E. C.Walker, B. M. (Brian Mercer) | Article in Book | | 2013 |
| The diocese of Cork and the great western schism | Bolster, M. A. | Article in Journal | | 1966 |
| The distressed society; the struggle for emancipation and independence, 1801-1918 | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 1977 |
| The dog in the night-time : the Freeman's Journal, the Irish Parliamentary Party and the empire, 1875-1919 | Larkin, Felix M. | Article in Book | | 2004 |
| The Dominicans in Cork : a brief account of the Order in Cork since 1229 | MacAuliffe, Margaret M. | Monograph or Collective Volume | Paramount P. | 1939 |
| The Donegal mafia : an Irish political machine | Sacks, P. M. | Monograph or Collective Volume | [s.n.] | 1976 |
| The Downe hospital | Wilson, Anthony M. | Article in Journal | | 2002 |
| The Downpatrick war memorial; some further notes | Wilson, Anthony M. | Article in Journal | | 1994 |
| The doyenne of Irish chemistry | Donnelly, Dervilla M. X. | Article in Book | | 2009 |
| The drama of J. M. Synge | King, M. | Monograph or Collective Volume | [s.n.] | 1985 |
| The Dublin Exhibition palace and Winter Garden : towards popular culture and entertainment | Ireland, Aideen M. | Article in Journal | | 1995 |
| The Dublin merchant community in the eighteenth century | Cullen, L. M. (Louis Michael) | Article in Book | | 1986 |
| The Dynamic of Irwin's forgotten army : a strategic understanding of the British army's role in Northern Ireland after 1998 | Bass, Christopher ; Smith, M. L. R. | Article in Journal | | 2004 |
| The Dynamic of Irwin's Forgottten Army : A Strategic Understanding of the British Army's Role in Northern Ireland after 1998 | Bass, ChristopherSmith, M. L. R. | Article in Journal | | 2004 |
| The dynamite war : Irish-American bombers in Victorian Britain | Short, Kenneth R. M. | Monograph or Collective Volume | Gill | 1979 |
| The dynamite war : Irish-American bombers in Victorian Britain | Short, K. R. M. | Monograph or Collective Volume | Gill & Macmillan | 1979 |
| The eagle and the harp : the enterprising Byrne Brothers of County Monaghan | Harris, Ruth-Ann M.Sommers Smith, Sally K. | Article in Journal | | 2010 |
| The eagle and the harp : the enterprising Byrne Brothers of County Monaghan | Harris, Ruth-Ann M.Smith, Sally K. Sommers | Article in Journal | | 2010 |
| The Earl of Essex's descent into Munster | Bary, Valerie M. | Article in Journal | | 2011 |
| The earldom of Desmond, 1463-1583 : the decline and crisis of a feudal lordship | McCormack, Anthony M. | Monograph or Collective Volume | Four Courts | 2005 |
| The earlier Cullen tombstone | Curran, M. J. | Article in Journal | | 1955 |
| The earliest insular Celtic art : some unanswered questions | Megaw, J. V. S.Megaw, M. Ruth | Article in Journal | | 1991 |
| The early church in Northumbria | Gallyon, M. | Monograph or Collective Volume | | 1977 |
| The early church in western Britain and Ireland : studies presented to C.A. Ralegh Radford | | Monograph or Collective Volume | B.A.R. | 1982 |
| The early development of metallurgy in the British Isles | Budd, P.Gale, D.Pollard, A. M.Thomas, R. G.Williams, P. | Article in Journal | | 1992 |
| The early mediaeval Gaelic lawyer | Charles-Edwards, T. M. (Thomas Mowbray) | Monograph or Collective Volume | Department of Anglo-Saxon, Norse and Celtic, University of Cambridge | 1999 |
| The early reception of Berkeley's immaterialism, 1710-33 | Bracken, H. M. (Harry McFarland) | Monograph or Collective Volume | | 1959 |
| The ebbs and flows of fortune : the life of Thomas Howard, third Duke of Norfolk | Head, David M. | Monograph or Collective Volume | University of Georgia Press | 1995 |
| The echo at Coole | Hassett, Joseph M. | Article in Book | | 2000 |
| The economic and social implications of emigration | Hannan, D. F.McMahon, D.Sexton, J. J.Walsh, B. M. | Monograph or Collective Volume | [s.n.] | 1991 |
| The economics of nationalism | Kettle, T.M. | Article in Journal | | 1913 |
| The economics of tenant right in 19th century Irish agriculture | Guttmann, J. M. | Article in Journal | | 1980 |
| The economics of tenant rights in 19th century Irish agriculture | Guttman, J. M. | Article in Journal | | 1980 |
| The effect of government policy on railway building in Ireland | Gould, M. F. | Article in Journal | | 1990 |
| The egalitarian giant : representations of justice in history/ literature | Patterson, Annabel M. | Article in Journal | | 1992 |
| The eighteenth-century Jacobite network | Cullen, L. M. (Louis Michael) | Article in Journal | | 2009 |
| The embargo on the export of Irish provisions, 1776-9 | O'Connor, Theresa M. | Article in Journal | | 1940 |
| The emergence and growth of Gaelic merchants and traders in Dublin, 1660-1911 | Keogh, Raymond M. | Article in Journal | | 2015 |
| The Emergence of Modern Ireland 1600-1900 | Cullen, L. M. (Louis Michael) | Monograph or Collective Volume | Batsford | 1981 |
| The end and a beginning | Reimers, David M. | Article in Book | | 1996 |
| The enemy within : some effects of foreign immigrants on antebellum southern cities | Miller, Randall M. | Article in Journal | | 1985 |
| The England family of Bandon; part 2 | England, M. J. | Article in Journal | | 2004 |
| The English Civil War | | Monograph or Collective Volume | Ashgate | 2007 |
| The English presence in early seventeenth-century Munster | McCarthy-Murrogh, M. | Article in Book | | 1986 |
| The enigma of Jasper Pyne | Geary, Laurence M. | Article in Journal | | 1990 |
| The Episcopal Union of Armagh and Clogher: a letter to the Earl of Erne from the Primate on the impolicy of dissolving it | Beresford, M. G. | Monograph or Collective Volume | McWatters [printer] | 1881 |
| The establishment of the Queen's Colleges : ideological and political background | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 1999 |
| The ethnic press in the United States : a historical analysis and handbook | Miller, Sally M. | Monograph or Collective Volume | Greenwood | 1987 |
| The excavation of a burnt mound at Ballywilliam, County Down | Chapple, Robert M. | Article in Journal | | 2007 |
| The excavation of a shell midden at Minnis North, Co. Antrim | Conway, M. G.Moore, D.Simpson, D. D. A. | Article in Journal | | 1993 |
| The excavation of early neolithic and early bronze age sites at Oakgrove, Gransha, County Londonderry | Chapple, Robert M.Dunne, Catherine M.McClatchie, MerielMoore, Dermot G.O'Hare, Maria B.Reimer, PaulaSchulting, Rick | Article in Journal | | 2008 |
| The excavation of four Fulachtaí Fia and Iron Age pits at Ballyadam, Carrigtohill, Co. Cork | Cleary, Rose M.Hawkes, Alan | Article in Journal | | 2013 |
| The exchange business of the Irish banks in the eighteenth century | Cullen, L. M. (Louis Michael) | Article in Journal | | 1958 |
| The exercise of legislative power in Ireland, 1782-1800 | O’Brien, M. G. R. | Thesis | | |
| The exploitation of the mines of Ireland in the sixteenth century | O'Sullivan, M. D. (Mary Donovan) | Article in Journal | | 1935 |
| The exploration of some caves near Castletownroche, Co. Cork | Gwynn, A. M.Mitchell, G. F. (George Francis), 1912-1997Stelfox, A. W. | Article in Journal | | 1941 |
| The Fagel Missal | Rudy, Kathryn M. | Article in Book | | 2013 |
| The fall of the House of Oak | Baillie, M. G. L.Mallory, J. P. (James P.) | Article in Journal | | 1988 |
| The families of Hodges and Morgan of Old Abbey, Co. Limerick | Dore, M. J. | Article in Journal | | 1979 |
| The family of Butler in the New-founde-land | Butler, A. M. | Article in Journal | | 1974 |
| The family of Hamilton and Nenagh Castle | Delaney, M. | Article in Journal | | 1956 |
| The family of Tuke | Tuke, David R. M. | Article in Journal | | 1974 |
| The famine | Ireland, Aideen M. | Article in Journal | | 1994 |
| The famine : further thoughts | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Journal | | 1974 |
| The fate of the Irish poor in England 'Rogues and vagabonds' | Breen, Anthony M. | Article in Journal | | 2003 |
| The fateful week | Gallagher, M. J. | Article in Journal | | 1966 |
| The Fenian movement | Walker, M. G. | Monograph or Collective Volume | | 1969 |
| The fertility of the Irish in the United States in 1910 | Guinnane, Timothy W.Moehling, Carolyn M.Ó Gráda, Cormac | Article in Journal | | 2006 |
| The fighting 69th times four | Repucha, Caroline M. | Article in Journal | | 2004 |
| The fighting O'Kellys | Ulyatt, M. E. | Monograph or Collective Volume | Hutton | 1991 |
| The figure of the earth in Isidore's 'De natura rerum' | Stevens, Wesley M. | Article in Journal | | 1980 |
| The first American edition of 'The Vicar of Wakefield' | Pollard, M. | Article in Book | | 1986 |
| The first decade, 1904-14 : a quiet revolution | Parkes, Susan M. | Article in Book | | 2004 |
| The first earl of Desmond as other than "Rebellious": a challenge to G.O.Sayles | Fitzgerald, Michael (M.J.)Sayles, George Osborne | Article in Journal | | 2009 |
| The first fifty years of national schools in the Newcastle area and the Christian Brothers interlude | Dore, M. | Article in Journal | | 1981 |
| The first fifty years of national schools in the Newcastle area and the Christian Brothers interlude | Duke, M. | Article in Journal | | 1981 |
| The first president of Sinn Féin : Edward Martyn | Nolan, J. C. M. | Article in Journal | | 1996 |
| The FitzGeralds : a survey history, 1169-2013 | Dooley, Terence A. M. | Article in Book | | 2014 |
| The fleeting opportunity | Scott, G. W. M. D., Lord | Monograph or Collective Volume | | 1940 |
| The folk-hero and tradition | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 1980 |
| The forests of Ireland : an account of the forests of Ireland from early times until the present day | | Monograph or Collective Volume | Society of Irish Foresters | 1966 |
| The forged Casement Diaries | Maloney, W. J. M. A. | Monograph or Collective Volume | Talbot Press | 1936 |
| The Forgotten Cemetery : Excavations at Ranelagh, Co. Roscommon | | Monograph or Collective Volume | Transport Infrastructure Ireland | 2022 |
| The forgotten scholar : an exhibition of the papers of John Freeman Knott, 1853-1921 | Lyons, J. B. (John Benignus)O'Doherty, M. | Monograph or Collective Volume | Royal College of Surgeons of Ireland | 1990 |
| The formation of the Irish economy | | Monograph or Collective Volume | Mercier Press | 1969 |
| The fortification of Galway in the sixteenth and early seventeenth centuries | O’Sullivan, M.D. | Article in Journal | | 1934 |
| The fortifications of Kinsale, Co. Cork | Kerrigan, Paul M. | Article in Journal | | 1972 |
| The Foundation of Australia, 1786-1800 : A Study in English Criminal Practice and Penal Colonization in the Eighteenth Century | O'Brien, Eris M. | Monograph or Collective Volume | Sheed & Ward | 1937 |
| The foundation of the Armagh County Infirmary | Weatherup, D. R. M. | Article in Book | | 2001 |
| The foundation of the Gaelic Athletic Association: a local perspective | Tobin, J.M. | Article in Journal | | 2014 |
| The foundation of the Gaelic Athletic Association: a local perspective | Tobin, J.M. | Article in Journal | | 2014 |
| The foundations of Belfast medicine | Strain, R. W. M. | Article in Journal | | 1971 |
| The foundations of the Catholic Church in English-speaking New Brunswick | Toner, P. M. | Article in Book | | 1988 |
| The French expedition to Bantry Bay, 1796, and the boat from the Résolue | Kerrigan, Paul M. | Article in Journal | | 1998 |
| The Friendly Brothers of St Patrick | Fraser, A. M. | Article in Journal | | 1956 |
| The funerary monuments of south-east Ireland, c.1200-1400 | Roe, Helen M. | Article in Book | | 1998 |
| The G. A. A. in county Fermanagh | Brock, Gabriel M. | Monograph or Collective Volume | The author | 1984 |
| The GAA & revolution in Ireland, 1913-1923 | | Monograph or Collective Volume | Collins Press | 2015 |
| The GAA as a force in Irish society : an overview | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 2009 |
| The Gaelic Athletic Association and Irishness in Scotland : history, ethnicity, politics, culture & identity | Bradley, Joseph M. | Monograph or Collective Volume | Argyll | 2007 |
| The Gaelic Athletic Association and the Irish diaspora in Scotland, 1897-1947 | Bradley, Joseph M. | Article in Journal | | 1999 |
| The Gaelic Athletic Association in Scotland, 1948-2007 : Diaspora and Immigrant Identity | Bradley, Joseph M. | Article in Journal | | 2007 |
| The Gaels : linguistic minorities in western Europe | Stephens, M. | Monograph or Collective Volume | Gomer Press | 1976 |
| The Galway smuggling trade in the 1730s | Cullen, L. M. (Louis Michael) | Article in Journal | | 1962 |
| The genius of our Irish forefathers | Fahy, E. M. | Article in Journal | | 1957 |
| The gentle application of mercury : treatment of children at the Westmoreland Lock Hospital, Dublin, in the mid-nineteenth century | Walker, Jean M. | Article in Book | | 2013 |
| The gentry of the king's and queen's counties : protestant landed society, 1690-1760 | Beaumont, D. M. | Article in Journal | | 2001 |
| The giant deer in Ireland | Mitchell, G. F. (George Francis), 1912-1997Parkes, H. M. | Article in Journal | | 1948 |
| The golden years of the Great Northern Railway, 2 : Newry, Armagh and Clones areas | Arnold, R. M. | Monograph or Collective Volume | Blackstaff Press | 1980 |
| The golden years of the great northern railway, part 1 | Arnold, R. M. | Monograph or Collective Volume | Blackstaff Press | 1976 |
| The Goodbody family of Ireland | Goodbody, M. I. A. | Monograph or Collective Volume | The author | 1980 |
| The Gordons of Salterhill and their Irish descendants | Bulloch, J. M. | Monograph or Collective Volume | | 1910 |
| The Great Famine and beyond : Irish migrants in Britain in the nineteenth and twentieth centuries | | Monograph or Collective Volume | Irish Academic Press | 2000 |
| The great famine and Fethard temporary fever hospital | Geary, Laurence M. | Article in Journal | | 1997 |
| The great famine and social change in Ireland | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Journal | | 1995 |
| The Great Famine in county Cork : a socio-medical analysis | Geary, Laurence M. | Article in Book | | 2010 |
| The great landowners of Meath, 1879 | Wilson, Thomas M. | Article in Journal | | 1980 |
| The Great Northern Railway of Ireland | Patterson, E. M. | Monograph or Collective Volume | Oakwood | 1962 |
| The great potato famine and the transformation of Irish peasant society | Braa, Dean M. | Article in Journal | | 1997 |
| The great question debated | Rothschild, N. M. V.Williams, Harold | Article in Journal | | 1939 |
| The Great Transition: Climate, disease and society in the Late-Medieval world | Campbell, Bruce M. S. | Monograph or Collective Volume | Cambridge University Press | 2016 |
| The greatest of the Fenians : John Devoy and Ireland | Dooley, Terence A. M. | Monograph or Collective Volume | Wolfhound Press | 2003 |
| The growth of Dublin 1600-1900: character and heritage | Cullen, L. M. (Louis Michael) | Article in Book | Geography Publications | 1992 |
| The growth of government | Walsh, Brendan M. | Article in Book | | 1986 |
| The growth of Liverpool | Power, M. J. | Article in Book | | 1992 |
| The Hadsors and some other Louth exiles in France and Spain | Walsh, M. K. | Article in Journal | | 1976 |
| The hard road to Klondike | Iremonger, ValentinMacGowan, M. | Monograph or Collective Volume | Routledge & Kegan Paul | 1973 |
| The health of hospitals and lessons from history: public health and sanitary reform in the Dublin hospitals, 1859-1898 | Fealy, G.M.Geraghty, R.McNamara, Martin S. | Article in Journal | | 2010 |
| The heir-apparent in Irish and Welsh law | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Journal | | 1971 |
| The heritage of early Britain | Charlesworth, M. P.Others | Monograph or Collective Volume | | 1952 |
| The heritage of Inishowen : its archaeology, history and folklore | Colhoun, M. R. | Monograph or Collective Volume | The North West Archaeological & Historical Society | 1995 |
| The hidden Ireland : reassessment of a concept | Cullen, L. M. (Louis Michael) | Monograph or Collective Volume | Lilliput Press | 1988 |
| The hidden Ireland : reassessment of a concept | Cullen, L. M. (Louis Michael) | Article in Journal | | 1969 |
| The high crosses of Co. Armagh : a photographic survey | Roe, Helen M. | Article in Journal | | 1955 |
| The high crosses of western Ossory | Roe, Helen M. | Monograph or Collective Volume | Kilkenny Archaeological Society | 1958 |
| The historian as politican : G. O. Trevelyan as Irish Chief Secretary | Hernon, Joseph M. | Article in Journal | | 1973 |
| The historical consistency of Berkeley's idealism | Lennon, Thomas M. | Article in Journal | | 2008 |
| The historical pattern of Irish emigration : some labour aspects | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 1991 |
| The historical study of urban space | Burstein, A.Drobis, Susan M.Hershberg, Theodore | Article in Journal | | 1976 |
| The Historiography of the Irish Revolution | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | NA | 2017 |
| The history and antiquities of the collegiate and cathedral church of St Patrick near Dublin, from its foundation in 1190 to the year 1819 | Mason, W. M. | Monograph or Collective Volume | | 1820 |
| The history and associations of the Belfast Charitable Society | Strain, R. W. M. | Article in Journal | | 1953 |
| The history of English affairs. Book 2 | Kennedy, M. J.Walsh, P. G. (Patrick Gerard)William, of Newburgh, b. 1135x6, d. in or after 1198 | Monograph or Collective Volume | Aris & Phillips | 2007 |
| The history of Granard Convent of Mercy | Foley, Anne M. | Article in Journal | | 2008 |
| The history of the descendants of Ir | Dobbs, M. E. (Margaret E.), 1871-1962 | Article in Journal | | 1921 |
| The history of the Irish Citizen Army | Fox, R. M. | Monograph or Collective Volume | Duffy | 1943 |
| The Home Rule League in Canada : fortune, Fenians and failure | Toner, P. M. | Article in Journal | | 1989 |
| The Honan chapel, University College, Cork | O'Kelly, M. J. (Michael Joseph) | Monograph or Collective Volume | Cork University Press | 1967 |
| The honey meadow and beyond : a history of the Lucas family | Morris, Jean M. | Monograph or Collective Volume | Greengage | 2002 |
| The honorary freemen of Cork (1690-1946) | Conlon, M. V. | Article in Journal | | 1947 |
| The horse breeding industry in Ireland | Lewis, C. A.McCarthy, M. | Article in Journal | | 1977 |
| The house that Harry built : Irish Presentation Brothers in Trinidad | Feheny, John M. | Article in Book | | 2015 |
| The Huguenots from the perspective of the merchant networks of western Europe (1680-1790) : the example of the brandy trade | Cullen, L. M. (Louis Michael) | Article in Book | | 1987 |
| The hunting diaries (1863-1872) of Sir John Fermor Godfrey of Kilcoleman Abbey, Co. Kerry|The hunting diaries (1873-81) of Sir John Fermor Godfrey of Kilcoleman Abbey, Co. Kerry | Bary, V[alerie] M. | Article in Journal | | 1979 |
| The idea of a university revisited | Roberts, J. M. | Article in Book | | 1990 |
| The idea of the Celt | Wooding, Jonathan M. | Article in Book | | 2002 |
| The identities of the poet(s) Mac Coisi:a re-investigation | O'Leary, Aideen M. | Article in Journal | | 1999 |
| The impact of O'Connell, 1815–1850 | Geoghegan, Patrick M. | Article in Book | | 2018 |
| The importance of emigrant documents | Punch, Terrence M. | Article in Journal | | 2010 |
| The industrialisation of the north-east | Goldstrom, J. M. | Article in Book | | 1969 |
| The Intellectual Internment of a Conflict : The Forgotten War in Northern Ireland | Smith, M. L. R. | Article in Journal | | 1999 |
| The internal politics of the United Irishmen | Cullen, L. M. (Louis Michael) | Article in Book | | 1993 |
| The international Huguenot network | Cullen, L. M. (Louis Michael) | Article in Journal | | 2009 |
| The interstitial status of Irish gayness in Colm Tóibín’s The Blackwater Lightship and The Master | Yebra, José M. | Article in Journal | | 2014 |
| The Irish Act of Union : a study in high politics 1798-1801 | Geoghegan, Patrick M. | Monograph or Collective Volume | Gill & Macmillan | 1999 |
| The Irish Act of Union, 1800 : bicentennial essays | | Monograph or Collective Volume | Irish Academic Press | 2003 |
| The Irish alienation of Sean O'Casey | Esslinger, Pat M. | Article in Journal | | 1966 |
| The Irish and Irish politicians | Levine, Edward M. | Monograph or Collective Volume | University of Notre Dame Press | 1966 |
| The Irish and modern Wales | Cleary, J. M. | Article in Journal | | 1956 |
| The Irish and Scots on Tyneside | Burnett, John A.MacRaild, Donald M. | Article in Book | | 2007 |
| The Irish and the Scots in the English Orange Order in the later nineteenth century | MacRaild, Donald M. | Article in Book | | 2005 |
| The Irish army's participation in the United Nations peace-making mission in the Congo, 1960-1964 | Pierce, Siobhan M. | Thesis | | 1993 |
| The Irish at Bunker Hill : evidence of Irish participation in the battle of 17th June 1775 | O'Brien, Michael JosephSullivan, A. M.Sullivan, Catherine | Monograph or Collective Volume | Irish University Press | 1968 |
| The Irish background of Spenser's 'View' | Smith, Ronald M. | Article in Journal | | 1943 |
| The Irish Blueshirt movement | Manning, M.A. | Thesis | | 1967 |
| The Irish brandy houses of eighteenth-century France | Cullen, L. M. (Louis Michael) | Monograph or Collective Volume | Lilliput | 2000 |
| The Irish Catholic, Halifax's first minority group | Punch, Terence M. | Article in Journal | | 1980 |
| The Irish Church and the Reform ministries | Condon, M. D. | Article in Journal | | 1964 |
| The Irish civil war and what it still means for the Irish people | Blake, Francis M. | Monograph or Collective Volume | Information on Ireland | 1986 |
| The Irish collection at the New England Historic Genealogical Society | Daly, Marie E. | Article in Book | | 1993 |
| The Irish connection | Baker, William M. | Article in Journal | | 1983 |
| The Irish Council of Churches, 1923-83 | Barkley, John M. | Monograph or Collective Volume | Irish Council of Churches | 1983 |
| The Irish counter-revolution 1921-1936 : treatyite politics and settlement in independent Ireland | Regan, John M., 1967- | Monograph or Collective Volume | Gill & Macmillan | 1999 |
| The Irish country house : its past, present and future | | Monograph or Collective Volume | Four Courts | 2011 |
| The Irish countryman : an anthropological study | Arensberg, Conrad M. | Monograph or Collective Volume | Macmillan | 1937 |
| The Irish Derby, 1866-1979 | Hyland, Francis P. M.Williams, Guy St. John | Monograph or Collective Volume | | 1980 |
| The Irish Derby, 1866-1979 | Hyland, Francis P. M.Magee, SeanWilliams, Guy St. John | Monograph or Collective Volume | Racing Post Books | 2015 |
| The Irish diaspora in Britain, 1750-1939 | MacRaild, Donald M. | Monograph or Collective Volume | Palgrave | 2010 |
| The Irish Diaspora of the Seventeenth and Eighteenth Centuries | Cullen, L. M. (Louis Michael) | Article in Book | | 1994 |
| The Irish Dominican archive : giving the order's history a future | Cunningham, John M. | Article in Journal | | 2025 |
| The Irish dramatic movement | Ellis-Fermor, Una M. | Monograph or Collective Volume | Methuen | 1954 |
| The Irish dramatic movement | Ellis-Fermor, Una M. | Monograph or Collective Volume | Methuen | 1939 |
| The Irish economy in the eighteenth century | Cullen, L. M. (Louis Michael) | Article in Book | | 1969 |
| The Irish electorate, 1868-1915 | Walker, B. M. (Brian Mercer) | Article in Journal | | 1973 |
| The Irish experience | Hachey, Thomas E.Hernon, Joseph M.McCaffrey, Lawrence J., 1925- | Monograph or Collective Volume | Prentice Hall | 1989 |
| The Irish experience in America | McMahon, Eileen M. | Article in Journal | | 2002 |
| The Irish experience in New York city : a select bibliography | | Monograph or Collective Volume | The New York Irish Roundtable | 1995 |
| The Irish famine : a guide to its history | Evans, M. D. | Article in Journal | | 1995 |
| The Irish food crises of the early 1740s : the economic conjuncture | Cullen, L. M. (Louis Michael) | Article in Journal | | 2010 |
| The Irish Free State and public democracy : The first official visit of William T. Cosgrave to the United States | Carroll, Francis M. | Article in Journal | | 2012 |
| The Irish Gaelic and the Welsh printed book | Lloyd, D. M. | Article in Journal | | 1948 |
| The Irish grain trade, 1839-48 | Bourke, P. M. A. (Austin) | Article in Journal | | 1976 |
| The Irish Guards roll of honour : 1939 to 1945 | Walsh, Jean M.Walsh, R. Raymond | Monograph or Collective Volume | T.H.C.L. | 1999 |
| The Irish heritage of the Brontës | Sullivan, A. M. | Article in Journal | | 1953 |
| The Irish high cross : morphology and iconography | Roe, H. M. | Article in Journal | | 1965 |
| The Irish House of Commons, 1799-1800 | Geoghegan, Patrick M. | Article in Book | | 2003 |
| The Irish in Canada : a demographic study based on the 1986 census | Esses, Victoria M.McGree, Sheila T. | Article in Journal | | 1990 |
| The Irish in Manchester, 1832-49. | Wely, J. M. | Article in Journal | | 1973 |
| 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 nineteenth century Britain | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 1985 |
| The Irish in nineteenth-century Britain : problems of integration | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Journal | | 1981 |
| The Irish in North America : a regional bibliography | Hardy-Johnston, Donna M.Metress, Seamus P. | Monograph or Collective Volume | P. D. Meany Publishers | 1999 |
| The Irish in Queensland : an overview | MacGinley, M. E. R. | Article in Book | | 1991 |
| The Irish in South America | MacLoughlin, Guillermo | Article in Book | | 1993 |
| The Irish in the American colonies | O'Brien, M. J. | Article in Journal | | 1927 |
| The Irish in the Dutch records of the city of New York | O'Brien, M. J. | Article in Journal | | 1928 |
| The Irish in the mining industry in England and Wales : evidence from the 1881 census | MacRaild, Donald M.Smith, Malcom T., | Article in Journal | | 2009 |
| The Irish in the New Jersey probate records | O'Brien, M. J. | Article in Journal | | 1928 |
| The Irish interlude : German intelligence in Ireland, 1939-1943 | Hull, Mark M. | Article in Journal | | 2002 |
| The Irish labour history society archive | Pollard, H. M. | Article in Journal | | 1980 |
| The Irish language | Dillon, M. | Article in Book | | 1957 |
| The Irish language in America | Wolf, Nicholas M. | Article in Book | | 2024 |
| The Irish language in Rathlin Island, Co. Antrim | Holmer, Nils M. | Monograph or Collective Volume | Hodges Figgis | 1942 |
| The Irish Medical Dispensary Service some Tipperary perspectives | Murphy, W.M. | Article in Journal | | 2018 |
| The Irish merchant communities of Bordeaux, La Rochelle and Cognac in the eighteenth century | Cullen, L. M. (Louis Michael) | Article in Book | | 1980 |
| The Irish mission to England | Hitchcock, F. R. M. | Article in Journal | | 1938 |
| The Irish Missionary Movement : A historical survey 1830-1980 | Hogan, Edmund M. | Monograph or Collective Volume | | 1990 |
| The Irish missionary movement : a historical survey, 1830-1980 | Hogan, E. M. | Monograph or Collective Volume | Gill & Macmillan|Catholic University of America Press | 1990 |
| The Irish nation-state in the constitution | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 1988 |
| The Irish nationalist and southern secession | Hernon, Joseph M. | Article in Journal | | 1966 |
| The Irish of New Brunswick at mid century : the 1851 Census | Toner, P. M. | Article in Book | | 1988 |
| The Irish ordnance survey | Ó Loinsigh, M. | Article in Journal | | 1948 |
| The Irish provision trade during the war of the American revolution | O'Connor, T. M. | Article in Journal | | 1939 |
| The Irish queer archive | Kirwan, Elizabeth M. | Article in Journal | | 2009 |
| The Irish rebellion of 1916 and its martyrs | Colum, PadraicJoy, M. | Monograph or Collective Volume | Devin-Adair | 1916 |
| The Irish Republic | Lough, S. M. | Article in Book | | 1953 |
| The Irish Republic in the seventeenth century | Hynes, M. J. | Article in Journal | | 1937 |
| The Irish Republican Army and Terror International : an inquiry into the material aspects of the first fifteen years | McKinley, M. | Article in Book | | 1987 |
| The Irish revolutionary decade, 1913–1923; voice, narratives and contexts | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | NA | 2018 |
| The Irish Tontine (1777) and Fifty Genevans : An Essay on Comparative Mortality | Jennings, R. M.Trout, A. P. | Article in Journal | | 1983 |
| The Irish-Americans : the rise to money and power | Greeley, Andrew M. | Monograph or Collective Volume | [s.n.] | 1980 |
| The Irish-Australian connection = An caidreamh Gael-Astrálach Proceedings of the Irish-Australian Bicentenary Conference, University College Galway (January 1988) | | Monograph or Collective Volume | University College Galway | 1989 |
| The Irish-Ireland idea : rationale and relevance | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 1991 |
| The Irish-language community in New York on the eve of the Easter Rising | Wolf, Nicholas M. | Article in Book | | 2016 |
| The Irish-speaking clergy in the nineteenth century: Education, trends and timing | Wolf, Nicholas M. | Article in Journal | | 2008 |
| The Issue of External Relations in the Anglo-Irish Negotiations of May-June 1922 | Curran, J. M. | Article in Journal | | 1978 |
| The Jesuits - Limerick and Oola connections | Ryan, Patrick M. | Article in Journal | | 1997 |
| The Kerry days of the Knights Hospitaller | O'Donnell, Francis M., KM | Article in Journal | | 2015 |
| The keyhole-pattern in the prehistoric rock art of Ireland and Britain | Van Hoek, M. A. M. | Article in Journal | | 1995 |
| The kingdom of Breifne | Duignan, M. V. (Michael V.) | Article in Journal | | 1935 |
| The Knights of Glin in the long sixteenth century | McCormack, Anthony M. | Article in Book | | 2009 |
| The La Touche family of Harristown, County Kildare | Young, M. F. | Article in Journal | | 1914 |
| The labour movement in Bray before 1920 | Connolly, Ross M. | Article in Journal | | 1985 |
| The Labour movement in Co. Wicklow | Connolly, Ross M. | Monograph or Collective Volume | Bray and District Council of Trade Unions | 1992 |
| The Ladies Land League | Ward, M. | Article in Journal | | 1981 |
| The land for the people : the land question in independent Ireland | Dooley, Terence A. M. | Monograph or Collective Volume | University College Dublin Press | 2004 |
| The Land Law (Ireland) Act, 1881 ... | Healy, T. M. | Monograph or Collective Volume | | 1882 |
| The land movement in Tullaroan, county Kilkenny, 1879-1891 | Kennedy, Edward M. | Monograph or Collective Volume | Four Courts | 2004 |
| The land question and elections in Ulster, 1868-86 | Walker, B. M. (Brian Mercer) | Article in Book | | 1983 |
| The land question, 1879-1882 | Collins, M. E. | Monograph or Collective Volume | Educational Company of Ireland | 1974 |
| The land question, politics and Irish society, 1922-60 | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 1982 |
| The land war in Drumlish, 1879-82 | Dooley, Terence A. M. | Article in Book | | 2010 |
| The land war in Ireland. famine, philanthropy and moonlighting | Geary, Laurence M. | Monograph or Collective Volume | Cork University Press | 2023 |
| The land war on the Kingston estate, 1879-1888 | Geary, Laurence M. | Thesis | | 1979 |
| The large scale county maps of the British Isles, 1596-1850 : a union list | Bodleian LibraryRodgers, Elizabeth M. | Monograph or Collective Volume | Bodleian Library | 1960 |
| The last colonel of the Irish Brigade, Count O'Connell ... 1745-1833. 2 vols. | O'Connell, M. A. | Monograph or Collective Volume | | 1892 |
| The last earls of Tyrone in Spain and Captain Bernardo O'Neill, illegitimate son of Eoghan Rua | Walsh, M. K. | Article in Journal | | 1988 |
| The late applied work of R. C. Geary | Walsh, Brendan M. | Article in Book | | 1997 |
| The Latin version | O'Meara, JohnWooding, Jonathan M. | Article in Book | | 2002 |
| The Latinity of St. Patrick compared with the Latin translation of Irenaeus's treatise | Hitchcock, F. R. M. | Article in Journal | | 1939 |
| The Lattin and Mansfield families, in the Co. Kildare | Thunder, John M. | Article in Journal | | 1902 |
| The Law Society Library | Byrne, M. | Article in Book | | 2002 |
| The lay school at Galway in the sixteenth and seventeenth centuries | O’Sullivan, M. D. | Article in Journal | | 1931 |
| The legacy of John Bramhall as Laud's alter-ego | Ross, Linda M. | Article in Book | | 1999 |
| The legal controversy surrounding the Irish state prisoners 1848-1856 | Touhill, Blanche M. | Article in Book | | 1983 |
| The Legate Otto in Scotland and Ireland, 1237-40 | Williamson, D. M. | Article in Journal | | 1949 |
| The legend of the wizard Earl of Kildare | Ffrench, J. F. M. | Article in Journal | | 1911 |
| The leper house at Killagha Abbey | Bary, V. M. | Article in Journal | | 1984 |
| The letters of Katherine Conolly 1707-1747 | | Monograph or Collective Volume | Irish Manuscripts Commission | 2018 |
| The Lewis bedcover | Simpson, M. Lesley | Article in Journal | | 1997 |
| The Liberal party and the Irish question during the First World War | McEwen, John M. | Article in Journal | | 1972 |
| The Liberator (Daniel O'Connell); his life & times, political social and religious | Cusack, M. F. (Margaret Anna), 1829-1899 | Monograph or Collective Volume | | 1875 |
| The Liberator (Daniel O'Connell); his life & times, political, social and religious | Cusack, M. F. (Margaret Anna), 1829-1899 | Monograph or Collective Volume | | 1872 |
| The life and career of Archbishop Richard Whately : Ireland, religion and reform | Boylan, Ciara M. | Monograph or Collective Volume | Four Courts Press | 2018 |
| The limestone industry of Limerick | Browne, M. | Article in Book | | 2003 |
| The Linen Hall library | Crossey, J. M. S. | Article in Journal | | 1957 |
| The linen industry in the nineteenth century | Solar, Peter M. | Article in Book | | 2003 |
| The linen industry on the Roe Valley : Morrell family links - Huguenots | Higgins, M.a. | Article in Journal | | 2008 |
| The Lismore papers | Brady, Donal M. | Article in Journal | | 1986 |
| The living were out of their feeling: a socio-cultural analysis of the great Irish Famine | Geary, Laurence M. | Article in Book | | 2001 |
| The location of the Promised Land in Hiberno-Latin literature | Wooding, Jonathan M. | Article in Book | | 2014 |
| The London Catholic Ragged School : an experiment in education for Irish destitute children | Feheney, J. P. M. | Article in Journal | | 1984 |
| The lord presidents of Munster | M., G. | Article in Journal | | 1920 |
| The lost architecture of the Wexford plantation | Loeber, M. S.Loeber, Rolf | Article in Book | | 1987 |
| The lost literature of medieval England | Wilson, R. M. | Monograph or Collective Volume | Methuen | 1952 |
| The lost town of Cork, Maine | O'Brien M. J. | Article in Journal | | 1913 |
| The loyal Irish: Pro-War patriotism and Irish Home Rule activism in New York City | Burns, Catherine M. | Article in Journal | | 2016 |
| The MacDonnells of Tyrone and Armagh : a genealogical study | Schlegel, Donald M. | Article in Journal | | 1980 |
| The making of nations in Britain and Ireland in the early middle ages | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 2004 |
| The making of the Union | Geoghegan, Patrick M. | Article in Book | | 2001 |
| The maledictory psalms | Wiley, Dan M. | Article in Journal | | 2001 |
| The man of Aran | Cunningham, John M. | Article in Journal | | 2009 |
| The manor and fishery of Killorglin, Co. Kerry : note on its history | Dodd, M. J. de C. | Article in Journal | | 1945 |
| The Mass Rock | Gaffey, M. | Article in Book | NA | 2015 |
| The massacre at Dun an Óir, 1580 | Ó Tuathaigh, M. A. G. (Gearóid) | Monograph or Collective Volume | Cló Dhuibhne | 1980 |
| The materials and techniques of Irish medieval wall-paintings | McGrath, M. | Article in Journal | | 1988 |
| The McHugos of Southern England, links restored | McHugo, M. Barbara | Article in Journal | | 2005 |
| The Meath estate | Davies, K. M. (Kathleen Mary) | Article in Book | | 1989 |
| The media and Irish culture | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 1984 |
| The medical connections of Robert Emmet | McCabe, A. M. E. | Article in Journal | | 1963 |
| The Medical Missionaries of Mary in Drogheda 1939-1999 | Smyth, IsabelleTaggart, M. Anastasia | Monograph or Collective Volume | Old Drogheda Society | 1999 |
| The medical profession, health care and the Poor Law in nineteenth-century Ireland | Geary, Laurence M. | Article in Book | | 2011 |
| The medieval and early modern cult of St. Brendan | Wooding, Jonathan M. | Article in Book | | 2009 |
| The medieval manuscripts at Maynooth : explorations in the unknown | Lucas, Angela M.Lucas, Peter J. | Monograph or Collective Volume | Four Courts | 2014 |
| The medieval pilgrimage to St Patrick's Purgatory : Lough Derg and the European tradition | | Monograph or Collective Volume | Clogher Historical Society | 1988 |
| The memoirs of a County Carlow school teacher : Edward O'Toole (1860-1943) | McGregor, Eileen M. | Thesis | | 2005 |
| The memoirs of John M. Regan : a Catholic officer in the RIC and RUC, 1909-1948 | Regan, John M., 1889-1971 | Monograph or Collective Volume | Four Courts | 2007 |
| The Meridian anthology of early women writers : British literary women from Aphra Benn to Maria Edgeworth, 1660-1800 | | Monograph or Collective Volume | New American Library | 1987 |
| The military and ministers as agents of presbyterian imperialism in England and Ireland, 1640-1648 | Furgol, E. M. | Article in Book | | 1982 |
| The military order of St Patrick, 1593 | Walsh, M. K. | Article in Journal | | 1979 |
| The military organisation of the 'Canadian' Fenians, 1866-1870 | Toner, P. M. | Article in Journal | | 1971 |
| The militia, Saintfield | Perceval-Price, M. C. | Article in Journal | | 1986 |
| The Moate saga and beyond : the story of a farm in Ireland, a divinity student and his eighteen-year-old schoolteacher bride to be, and all that followed | Strong, M. Stuart | Monograph or Collective Volume | S. Strong | 2007 |
| The Molyneux family | Fraser, A. M. | Article in Journal | | 1960 |
| The monastic paruchia of Colum Cille in pre-Norman Ireland : its history and hagiography | Herbert, M. R. M. | Thesis | | 1985 |
| The monetary economy of the Irish sea province | Metcalf, D. M. | Article in Book | | 1992 |
| The monuments of St Mary's Cathedral, Limerick | Talbot, M. J., Rev. | Monograph or Collective Volume | Treaty Press | 1976 |
| The Moravian tradition | Barkley, John M. | Article in Journal | | 1988 |
| The more immediate effects of the American revolution in Ireland, 1775-85 | O'Connor, Theresa M. | Thesis | | 1938 |
| The mortgage papers of St. Patrick's College, Maynooth 1871-1923 | Dooley, Terence A. M. | Article in Journal | | 2005 |
| The most distressful nation : the taming of the American Irish | Greeley, Andrew M.Moynihan, D. P. | Monograph or Collective Volume | Quadrangle | 1972 |
| The Motivation of the Modern Irish Missionary Movement 1912-1939 | Hogan, Edmund M. | Article in Journal | | 1979 |
| The Munster element in 'Navigator sancti Brendani abbatis' | Wooding, Jonathan M. | Article in Journal | | 2005 |
| The murder of John Barry : a grim episode of the 19th century | O'M., S. | Article in Journal | | 1954 |
| The murder of Patrick Howard: A case study of police crime in the War of Independence | Leeson, D.M. | Article in Journal | | 2012 |
| The murder of Thomas Hoskins [July 1821] | Dore, M. | Article in Journal | | 1983 |
| The murders at Wildgoose Lodge : agrarian crime and punishment | Dooley, Terence A. M. | Monograph or Collective Volume | Four Courts | 2007 |
| The Murphy wagon | Dolan, Ellen M. | Article in Journal | | 1994 |
| The mutiny of Anthony Wayne's Pennsylvania troops in Morris County, New Jersey, winter of 1780-1781 | Sherman, Andrew M. | Article in Journal | | 1918 |
| The Nagles of Garnavilla | O'Connell, B. M. | Article in Journal | | 1956 |
| The names of Downpatrick | Wilson, Anthony M. | Article in Journal | | 1992 |
| The National Archives | Craig, DavidIreland, Aideen M. | Article in Book | | 2000 |
| The National Archives | Ireland, Aideen M. | Article in Journal | | 1992 |
| The National University of Ireland, 1908-2008 : centenary essays | | Monograph or Collective Volume | University College Dublin Press, on behalf of the National University of Ireland | 2008 |
| The natural resources of Ireland | Cranley, M. J. | Article in Journal | | 1976 |
| The Naughtons of Ballycanana : a family history | Feheney, John P. M. | Monograph or Collective Volume | Iverus Publications | 2006 |
| The navy and civil war in Ireland, 1641-3 | Baumber, M. L. | Article in Journal | | 1971 |
| The New University of Ulster Stelfox Collection | Riddolls, AntheaTyrrell, Eileen M. | Article in Journal | | 1976 |
| The normal paradigms of a woman's life in the Irish and Welsh texts | McAll, C. | Article in Book | NA | 1980 |
| The north Fermanagh elections of 1885 and 1886 | Bottomley, P. M. | Article in Journal | | 1974 |
| The Northern Ireland agricultural industry : its past development and medium-term prospects | Spencer, John E.Whittaker, Julie M. | Article in Book | | 1989 |
| The Northern Lectionary : a source for the Codex Salmanticensis? | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 2003 |
| The O'Briens of Thomond and twelfth-century church reform | Casey, M. G. | Article in Journal | | 1934 |
| The O'Kerin School of Monumental Sculpture in Ossory and its environs in the sixteenth and seventeenth centuries | Phelan, Margaret M. | Article in Journal | | 1996 |
| The O'Shaughnessys of Munster : the people and their stories | Feheney, J. M. | Monograph or Collective Volume | Iverus Publications | 1996 |
| The occupational profile of pre-modern towns : the case of Dublin, c.1190-1640 | Campbell, Bruce M.S. | Article in Book | | 2025 |
| The occupational profile of pre-modern towns : the case of Dublin, c.1190-1640 | Campbell, Bruce M.S. | Article in Book | | 2025 |
| The October revolution, Lenin, Ireland | O'Riordan, M. | Article in Journal | | 1977 |
| The official view of the famine : Waterford, a regional dimension | Hearne, John M. | Article in Book | | 1995 |
| The Old Irish life of St. Brigit | | Article in Journal | | 1939 |
| The oldest account of the raid of the Collas (circa A.D. 330) | | Article in Journal | | 1939 |
| The online atlas of irish population change 1841-2002 : a new resource for analysing national trends and local variations in Irish population dynamics | Fotheringham, A. StewartKelly, M. | Article in Journal | | 2011 |
| The orange and the green in Montana : a reconsideration of the Clark-Daly feud | Emmons, David M. | Article in Journal | | 1986 |
| The ordnance survey : a record of our history | Brand, M. J. D. | Article in Journal | | 1982 |
| The organisation of Unionist opposition to Home Rule in Counties Monaghan, Cavan and Donegal, 1885-1914 | Dooley, Terence A. M. | Article in Journal | | 1997 |
| The origin of the surname 'Mulholland' | Dobbs, M. E. (Margaret E.), 1871-1962 | Article in Journal | | 1938 |
| The origin of the three Collas and the fall of Emain | Schlegel, Donald M. | Article in Journal | | 1998 |
| The original subscription list of the Waterford and Limerick Railway Company (1845) | Hearne, John M. | Article in Journal | | 2000 |
| The Origins and Early Development of the Christian Brothers' Schools in Thurles | Tobin, J.M. | Article in Journal | | 2024 |
| The origins and early history of the Sionnach Foxes : from the founding fathers to the late twelfth century | Fox, M. J.Fox, Michael | Article in Journal | | 2003 |
| The origins of 'Cilliní' | Donnelly, Colm J.Murphy, Eileen M. | Article in Journal | | 2008 |
| The origins of Cilliní | Donnelly, Colm J.Murphy, Eileen M. | Article in Journal | | 2008 |
| The origins of Cillini in Ireland | Donnelly, Colm J.Murphy, Eileen M. | Article in Book | | 2008 |
| The origins of Clann Suibhne | Sweeney, R. M. | Article in Journal | | 1990 |
| The Origins of the Irish in Northern England : An Isonymic Analysis of Data from the 1881 Census | MacRaild, Donald M.Smith, Malcolm T. | Article in Journal | | 2009 |
| The origins of the Irish in northern England : an isonymic analysis of data from the 1881 census | MacRaild, Donald M.Smith, Malcolm | Article in Journal | | 2009 |
| The origins of the Irish in Northern England : an isonymic analysis of data from the 1881 census | Raild, Donald M.Smith, Malcolm | Article in Book | | 2011 |
| The origins of the Treaty on the Non-Proliferation of Nuclear Weapons : Ireland's initiative in the United Nations (1958-61) | Chossudovsky, Evgeny M. | Article in Journal | | 1990 |
| The other Irish martyr of the Titus Oates Plot | Cronin, J. M. | Article in Book | | 1937 |
| The otherworld voyage in early Irish literature : an anthology of criticism | Wooding, Jonathan M. | Monograph or Collective Volume | Four Courts | 2000 |
| The overseas trade of Waterford as seen from a ledger of Courtenay and Ridgway | Cullen, L. M. (Louis Michael) | Article in Journal | | 1958 |
| The Oxford History of British and Irish Catholicism, Volume IV : Building Identity, 1830-1913 | | Monograph or Collective Volume | Oxford University Press | 2023 |
| The O’Kerin school of monumental sculpture in Ossory and its environs in the sixteenth and seventeenth centuries | Phelan, Margaret M. | Article in Journal | | 1996 |
| The Pakenhams - earls of Longford | O'Donnell, M. J. | Article in Journal | | 1969 |
| The paleography of the 11 Latin citations in TCD MS 1337, pp. 329c–330b | Eska, Charlene M. | Article in Journal | | 2019 |
| The papacy, catholic reform and Christian missions | Parker, T. M. | Article in Book | NA | 1968 |
| The papers of an unheralded Irish-American historian | Dunkak, Harry M. | Article in Journal | | 1987 |
| The parish of St Columba, Iona Road, Glasnevin | Egan, M. | Monograph or Collective Volume | Frederick Press | 1962 |
| The passengers on the 'Polly' | Punch, Terence M. | Article in Journal | | 1976 |
| The pastoral role of the church in the early Irish laws | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 1992 |
| The Patronage of the Church and its Purposes | Luxford, Julian M. | Article in Book | | 2008 |
| The people of Northern Ireland : an anthropometric survey | Gamble, David P.Mogey, J. M.Walmsley, Thomas | Article in Journal | | 1942 |
| The peoples of Northern Ireland | Mogey, J. M. | Article in Journal | | 1940 |
| The peoples of Northern Ireland | Mogey, J. M. | Article in Book | | 1952 |
| The peoples of Northern Ireland : an anthropometric survey | Mogey, J. M.Walmsley, Thomas | Article in Journal | | 1939 |
| The peoples of Northern Ireland : an anthropometric survey : 4, the town and district of Ballymena | Gamble, David P.Mogey, J. M.Walmysley, Thomas | Article in Journal | | 1946 |
| The Perkins diaries 1931-2 | Davies, M. | Article in Journal | | 1991 |
| The Perkins diaries 1932-4 | Davies, M. | Article in Journal | | 1992 |
| The persistence of high unemployment in a small open labour market : the Irish case | Walsh, Brendan M. | Article in Book | | 1999 |
| The phenomenon of conservative terrorism | Drake, C. J. M. | Article in Journal | | 1996 |
| The phenomenon of conservative terrorism | Drake, C. J. M. | Article in Journal | | 1996 |
| The Philadelphia riots of 1844 : a study in ethnic conflict | Feldberg, M. | Monograph or Collective Volume | # | 1975 |
| The phoenix arises : the early years of Waterford Glass | Hearne, John M. | Article in Journal | | 1994 |
| The pictorial history of the cathedral church of the Holy Trinity : Christ Church cathedral, Dublin | Crawford, M. V. | Monograph or Collective Volume | | 1967 |
| The plan of campaign in Curraghs | Hickey, M. | Article in Journal | | 1975 |
| The plan of campaign, 1886-1891 | Geary, Laurence M. | Monograph or Collective Volume | Cork University Press | 1986 |
| The Plan of Campaign, 1886-91 | Geary, Laurence M. | Thesis | | 1985 |
| The plight of Monaghan Protestants, 1911-26 | Dooley, Terence A. M. | Article in Book | | 2002 |
| The plight of Monaghan protestants, 1912-1926 | Dooley, Terence A. M. | Monograph or Collective Volume | Irish Academic Press | 2000 |
| The plundered tates : Cahill Duff O Connally and the bishop's land in Clones parish | Schlegel, Donald M. | Article in Journal | | 1991 |
| The political career of Cearbhall, king of Ossory, 844-888 | Ó Dubhghaill, M. | Article in Journal | | 1941 |
| The political economy of the Provos : inside the finances of the Provisional IRA - a revision | Woodford, Isabel ; Smith, M. L. R. | Article in Journal | | 2018 |
| The political significance of the career of the earl of Tyrconnell in Irish history, and its relation to the cause of James II, 1685-1691 | Brady, M. E. | Article in Journal | | 1944 |
| The political structures of the defenders | Cullen, L. M. (Louis Michael) | Article in Book | | 1990 |
| The political thought of William Thompson, 1775-1833 | Crowe, Colette M. | Thesis | | 1990 |
| The political troubles of County Armagh : a comment | Cullen, L. M. (Louis Michael) | Article in Journal | | 1996 |
| The politics of clerical radicalism in the 1790s | Cullen, L. M. (Louis Michael) | Article in Book | | 1997 |
| The politics of crisis and rebellion, 1792-1798 | Cullen, L. M. (Louis Michael) | Article in Book | | 2000 |
| The politics of reaction : the dynamics of treatyite government and policy, 1922-33 | Regan, John M., 1967- | Article in Journal | | 1997 |
| The Politics of Sexual Knowledge : The Origins of Ireland's Containment Culture and the Carrigan Report (1931) | Smith, James M., 1966- | Article in Journal | | 2004 |
| The politics of the Famine and of Famine historiography | Cullen, L. M. (Louis Michael) | Article in Book | | [1997] |
| The politics of utopia : party politics, executive autonomy and the new administration | Regan, John M., 1967- | Article in Book | | 2000 |
| The poor and the sick in pre-famine Ireland : charity and the state | Geary, Laurence M. | Article in Book | | 2002 |
| The poor belong to us : Catholic charities and American welfare | Brown, Dorothy M.McKeown, Elizabeth | Monograph or Collective Volume | Harvard University Press | 1997 |
| The poor law and the workhouse in Belfast, 1838-1948 | Farrell, M. | Monograph or Collective Volume | Public Record Office of Northern Ireland | 1978 |
| The poor law board August order, 1859 : a case study of Protestant-Catholic conflict | Feheney, J. M. | Article in Journal | | 1984 |
| The Poor Law, health care and the Great Famine in Ireland, 1845-1852 | Geary, Laurence M. | Article in Book | | 2007 |
| The position of the Augustinian canons in medieval Ireland | Preston, Sarah, M. | Article in Journal | | 1990 |
| The position of the Irish language | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | NA | 2008 |
| The post-crisis Irish voter: Voting behaviour in the Irish 2016 general election | | Monograph or Collective Volume | Manchester University Press | 2018 |
| The postal history of Great Britain and Ireland | Wilcocks, R. M. | Monograph or Collective Volume | Vale Stamps | 1972 |
| The potato blight in the Netherlands and its social consequences, 1845-47 | Bergman, M. | Article in Journal | | 1967 |
| The potter's craft in prehistoric Ireland with specific reference to Lough Gur | Cleary, Rose M. | Article in Book | | 2000 |
| The potteries of Coalisland, Co. Tyrone : some preliminary notes | McManus, M. | Article in Journal | | 1984 |
| The practice and procedure of the House of Lords, in English, Scotch and Irish appeal cases under the Appellate Jurisdiction Act, 1876. | Denison, C. M.Scott, C. H. | Monograph or Collective Volume | | 1879 |
| The prehistoric art of county Donegal, part 1 | Van Hoek, M. A. M. | Article in Journal | | 1987 |
| The prehistoric rock art of Bohen stone, Co. Mayo | Van Hoek, M. A. M. | Article in Journal | | 1993 |
| The prehistoric rock art of county Donegal, part 2 | Van Hoek, M. A. M. | Article in Journal | | 1988 |
| The presbyterian church in Ireland and the Government of Ireland Act (1920) | Barkley, John M. | Article in Book | | 1975 |
| The Presbyterian church in Ireland, 2. | Barkley, John M. | Article in Journal | | 1967 |
| The Presbyterian minister in eighteenth-century Ireland | Barkley, John M. | Article in Book | | 1981 |
| The Presentation foundation Drogheda 7th June, 1813 | Allen, M. Oliver | Article in Journal | | 1990 |
| The principals and deans of the Veterinary College of Ireland | Doherty, M. L.Ó Súilleabháin, B. L. | Article in Book | | 2001 |
| The priory and parish of Killeigh | Comerford, M., P.P. | Article in Journal | | 1883 |
| The pro-Axis underground in Ireland, 1939-1942 | Douglas, R. M., 1963- | Article in Journal | | 2006 |
| The Progressive Credentials of Patrick Henry Pearse : a response to David Limond | Walsh, Brendan M. | Article in Journal | | 2006 |
| The Protestant churches and the inter-church relations in Ireland since 1891 | Barkley, John M. | Article in Book | | 1995 |
| The Protestant Mystics | Fremantle, A. M. H. | Monograph or Collective Volume | | 1964 |
| The Provisional IRA : a case study | Drake, C. J. M. | Article in Journal | | 1991 |
| The provisional IRA : a case study | Drake, C. J. M. | Article in Journal | | 1991 |
| The psychological aspect of land reform in Ireland | Bonn, M. J. (Moritz Julius), 1873-1965 | Article in Journal | | 1909 |
| The published writings of T.G.F. Paterson esq., O.B.E., M.A., M.R.I.A., curator of the county museum, Armagh, 1935-1963 | Weatherup, D. R. M. | Article in Journal | | 1972 |
| The Punch family | Punch, Terence M. | Article in Journal | | 1961 |
| The Quaker meeting houses of Ireland : an account of some 150 meeting houses and 100 burial grounds in Ireland | Butler, David M. | Monograph or Collective Volume | Irish Friends Historical Committee | 2004 |
| The Quakers in Limerick, 1657-1707 | Bennis, Emilie M. | Article in Journal | | 1993 |
| The rags of Ireland are by no means the same : Irish paper used in the 'Statutes at large' | Benson, C.Pollard, M. | Article in Journal | | 1970 |
| The Ranahans of Iverus : history and directory | Feheney, John P. M. | Monograph or Collective Volume | Iverus Publications | 1987 |
| The rath at Ballymacash, Co. Antrim | Irens, R. J.Jope, E. M. | Article in Journal | | 1998 |
| The re-interpretation of Irish economic history | Cullen, L. M. (Louis Michael) | Article in Journal | | 1967 |
| The Reads of Co. Kildare and Dublin | Dore, M. J. | Article in Journal | | 1986 |
| The real origins of the Irish Independent | Larkin, Felix M. | Article in Journal | | 2019 |
| The Red Lad and Blunt - Hacketstown poachers of the early 20th century [Part One]|The Red Lad and Blunt - Hacketstown poachers of the early 20th century (Part Two) | Byrne, Patrick M. | Article in Journal | | 2017 |
| The Red Lad's recollections of Hacketstown in the 1890s | Byrna, Patrick M. | Article in Journal | | 2019 |
| The red scare in the Irish Free State, 1929-37 | Banta, Mary M. | Thesis | | 1982 |
| The redoubtable John Hennessy, first archbishop of Dubuque | Coogan, M. Jane | Article in Journal | | 1980 |
| The regional dimension | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 1986 |
| The regional novel in Britain and Ireland, 1800-1990 | | Monograph or Collective Volume | Cambridge University Press | 1998 |
| The regional novels of Maria Edgeworth and John Galt | Reilly, Pamela M. A. | Thesis | | |
| The regions and their issues : Ireland | Cullen, L. M. (Louis Michael) | Article in Book | | 1981 |
| The relic of a crusader : a coin of Friesach found in Ireland | Metcalf, D. M. | Article in Journal | | 1962 |
| The religious inquiry in the Irish census of 1861 | Macourt, M. P. A. | Article in Journal | | 1978 |
| The Renihan diaries (c.1882-1925) | Griffin, Kevin M.Renihan, Michael, 1849-1927 | Monograph or Collective Volume | Ballina Killaloe Print | 2005 |
| The republican idea : into the twenty first century | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 2003 |
| The Revd. Zachary Braly, Protestant rector from Bandonbridge, Cork, kinsman of the poet Edmund Spenser | Bralley, Edgar M. | Article in Journal | | 2006 |
| 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 revival of plainchant in the Roman Catholic church in Ireland, 1777-1858 : some sources and their commerce with England | Zon, Bennett M. | Article in Book | | 1996 |
| The revolutionary prelude : the Dublin stage in the late 1770s and early 1780s | Burke, Helen M. | Article in Journal | | 1998 |
| The road to disestablishment : Irish Anglicans in nineteenth-century South Africa | Goedhals, M. M. | Article in Book | | 1992 |
| The road to Luggawannic | Lally, Joseph M. | Article in Journal | | 1999 |
| The role of midwifery and wet-nursing from the tenth to the sixteenth century [in Ireland] | Dolan, Niamh M. | Thesis | | 2000 |
| The role of the Dublin periodical, Exshaw's Gentleman's and London Magazine, in the diffusion of the ideas of French philosophes in eighteenth-century Ireland, together with an analysis of books by French authors or books of French interest advertised or reviewed in the journal | Conway, T. J. M. | Thesis | | |
| The role of the IRRS in railway heritage | Moriarty, Tim B.A., M.L.S., Hon. Librarian | Article in Journal | | 2014 |
| The role of women in Ireland under the new English order | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 1978 |
| The romance of the house of Lighton | Fraser, A. M. | Article in Journal | | 1945 |
| The Romanesque arch at Wicklow church | Johnson, David M. | Article in Journal | | 1973 |
| The Roscrea pillar | Roe, Helen M. | Article in Book | | 1967 |
| The Rothe House collection : an aladdin's cave of costume and textiles | Johnston, Mairead M. | Article in Journal | | 1994 |
| The Rothe monument - St Mary's, Kilkenny | Phelan, Margaret M. | Article in Journal | | 1993 |
| The Rothes of Kilkenny | Sparks, M. | Article in Journal | | 1949 |
| The Royal Gunpowder Mills, Ballincollig, Co. Cork | Kerrigan, P. M. | Article in Journal | | 1982 |
| The Royal Irish Academy of Music | Starkie, W. J. M. | Article in Book | | 1952 |
| The Royal Society of Antiquaries of Ireland 1849-1900 | Ireland, Aideen M. | Article in Journal | | 1983 |
| The Royal Ulster Rifles, 1793-1960 | Corbally, M. J. P. M. | Monograph or Collective Volume | | 1960 |
| The royal visitation of Cork, Ross, and the College of Youghal | Murphy, M. A. | Article in Journal | | 1913 |
| The royal visitation, 1615. Diocese of Killaloe | Murphy, M. A. | Article in Journal | | 1914 |
| The royal visitation, 1615. Dioceses of Ardfert [and Aghadoe] | Murphy, M. A. | Article in Journal | | 1915 |
| The Rt. Hon. the Earl of Athlone | Sara, M. E. | Monograph or Collective Volume | | 1941 |
| The Ryans - who are they? | Ryan, Patrick M. | Article in Journal | | 1993 |
| The sage of Sheepland More | McCord, M. E. | Article in Journal | | 1990 |
| The sandstone mines of Mountcharles, Co. Donegal | Carville, G.Dowds, S.Kelly, J.Parkes, M.A. | Article in Journal | | 2001 |
| The Scarva story : a souvenir of the Sham fight | Dewar, M. W. | Monograph or Collective Volume | Portadown News | 1956 |
| The scheme : the Christian Brothers and child care in Western Australia | Coldrey, Barry M. | Monograph or Collective Volume | Argyle-Pacific | 1993 |
| The science of a lost medieval Gaelic graveyard : The Ballyhanna research project | | Monograph or Collective Volume | Transport Infrastructure Ireland | 2015 |
| The scientific investigation of the potato blight in 1845-6 | Bourke, P. M. A. (Austin) | Article in Journal | | 1962 |
| The Scotch settlers in Raphoe, county Donegal, Ireland : a contribution to Pennsylvania genealogy | Mervine, W. M. | Article in Journal | | 1912 |
| The Scotch-Irish in America and New York | MacCracken, Henry M. | Article in Journal | | 1912 |
| The Scotch-Irish in British America | Jones, M. A. | Article in Book | NA | 1991 |
| The Scotstown, Co. Monaghan, hoard | Ireland, Aideen M. | Article in Book | | 2003 |
| The Scottish Clearances : A History of the Dispossessed, 1600-1900 | Devine, T. M. | Monograph or Collective Volume | Alan Lane, an imprint of Penguin Books | 2018 |
| The Scottish Renaissance and the Irish invasion : literary attitudes to Irishness in inter-war Scotland | Vanney, L. M. | Article in Journal | | 2001 |
| The search for Mary Lonergan : discovering my roots in the Cork Union workhouse | Kingston, Regina M. | Article in Journal | | 2014 |
| The search for missing friends : Irish immigrant advertisements placed in 'The Boston Pilot'. Vol. 1 : 1831-50 | Harris, Ruth-AnnJacobs, Donald M. | Monograph or Collective Volume | New England Historic Genealogical Society | 1989 |
| The search for personal meaning in legacy travel to Ulster | McCain, GaryRay, Nina M. | Article in Journal | | 2002 |
| The see of Tuam in Rath Breasail Synod | Connellan, M. J. | Article in Journal | | 1950 |
| The self image of primary school teachers : Ireland and Germany | Pritchard, Rosalind, M. O. | Article in Journal | | 1986 |
| The Shannonbridge fortifications | Kerrigan, P. M. | Article in Journal | | 1974 |
| The Sheridans untangled | Schlegel, Donald M. | Article in Journal | | 2016 |
| The siege of O'Connell : Charlotte Elizabeth Tonna's historical novels of Ireland | Ryan, Kara M. | Article in Book | | 2005 |
| The sieges of Limerick, 1690-91; a narrative based on contemporary sources | Flood, J. M. | Monograph or Collective Volume | Limerick Leader | 1944 |
| The significance of the Liturgia Horarium in the Nauigatio Sancti Brendani in its Modelling of a sacramental Christian life | Rumsey, Patricia M. | Article in Book | | 2017 |
| The Sionnach Foxes during the middle ages : 1170-1550 | Fox, M. J.Fox, Michael | Article in Journal | | 2004 |
| The Sisters of Mercy in Loughrea | O'Keefe, M. | Article in Book | | 2003 |
| The Sisters of Mercy, Kilmore, Ireland, 1868-1994 | Crowe, M. Clare | Monograph or Collective Volume | Congregation of the Sisters of Mercy | 1994 |
| The site Carrickabraghy | Dobbs, M. E. (Margaret E.), 1871-1962 | Article in Journal | | 1947 |
| The Skelligs | M., S. | Article in Journal | | 1997 |
| The Sligo Ursulines : the first fifty years, 1826-1876 | Kelly, M. St. Dominic | Monograph or Collective Volume | The author | 1987 |
| The smith of Saint Patrick | Maguire, M. | Article in Journal | | 1953 |
| The smuggling trade in Ireland in the eighteenth century | Cullen, L. M. (Louis Michael) | Article in Journal | | 1969 |
| The Smyths of Damma : a catholic family in the age of penal laws | Brennan, M. A. | Article in Journal | | 1989 |
| The social and cultural modernisation of rural Ireland, 1600-1900 | Cullen, L. M. (Louis Michael) | Article in Book | | 1980 |
| The social and economic consequences of the Desmond rebellion of 1579-83 | McCormack, Anthony M. | Article in Journal | | 2004 |
| The social and economic evolution of Kilkenny in the seventeenth and eighteenth centuries | Cullen, L. M. (Louis Michael) | Article in Book | | 1990 |
| The social and economic evolution of south Kilkenny in the seventeenth and eighteenth centuries | Cullen, L. M. (Louis Michael) | Article in Journal | | 1980 |
| The social background to Irish 'Peregrinatio' | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 2000 |
| The social background to Irish peregrinatio | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Journal | | 1976 |
| The social content of education, 1808-70 : a study of the working class school reader in England and Ireland | Goldstrom, J. M. | Monograph or Collective Volume | Irish University Press | 1972 |
| The socializationof uncertainty : the Ancient Order of Hibernians in Butte, Montana 1880-1925 | Emmons, David M. | Article in Journal | | 1994 |
| The Society in 63 Merrion Square | Ireland, Aideen M. | Article in Journal | | 2017 |
| The Society of Jesus in Ireland, Scotland, and England, 1598–1606: “Lest Our Lamp be Entirely Extinguished” | McCoog, Thomas M. | Monograph or Collective Volume | BRILL|Institutum Historicum Societatis Iesu | 2017 |
| The Society of Jesus in the three kingdoms | McCoog, Thomas M. | Article in Book | | 2008 |
| The Society of Jesus of Ireland, Scotland, and England 1541-1588 : 'our way of proceeding?' | McCoog, Thomas M. | Monograph or Collective Volume | Brill | 1996 |
| The songs of Elizabeth Cronin, Irish traditional singer : the complete song collection | Cronin, Elizabeth M.Ó Cróinín, Dáibhí | Monograph or Collective Volume | Four Courts | 2000 |
| The songs of Ireland | | Monograph or Collective Volume | | 1845 |
| The sorrows and glories of Ireland. A series of papers pertaining to Irish history and culture | Skelly, A. M. | Monograph or Collective Volume | | 1935 |
| The souls of the skyscraper : female clerical workers in Chicago, 1870-1930 | Fine, Lisa M. | Monograph or Collective Volume | Temple University Press | 1990 |
| The Spaniards and Kinsale, 1601 | Jones, Frederick M. | Article in Journal | | 1944 |
| The Spanish Basque Irish fishery and trade in the sixteenth century | Barkham, Michael M. | Article in Journal | | 2001 |
| The stage Irishwoman | Kibler, M. Alison | Article in Journal | | 2005 |
| The Star Iron Works | Hearn, J. M. | Article in Journal | | 2003 |
| The state and the Irish language : an historical perspective | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 2008 |
| The state of religion in the province of Leinster during the 17th century, illustrated by extracts from synodical decrees | Comerford, M., P.P. | Article in Journal | | 1879 |
| The state of the Irish House of Commons in 1791 | | Article in Journal | | 1957 |
| The state's attitude and response to the threat posed by tobacco smuggling in Ireland, 1750-1850 | Whitney, Seán M. | Article in Journal | | 2021 |
| The state, sentiment & the politics of language | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 2002 |
| The status of museums: Authority, identity, and material culture | Alberti, J. M. M. | Article in Book | | 2011 |
| The Stoneyford, County Antrim to Coleraine, Australia : the diary of Samuel Connor, MD. | Geary, Laurence M. | Article in Journal | | 1995 |
| The Stonyford burial: fact of fiction (part I)|The Stonyford burial: fact of fiction (part II) | Ireland, Aideen M. | Article in Journal | | 2015 |
| The stories they tell: narratives of former combatants in Northern Ireland | O'Neill, K. M. | Thesis | | |
| The story of Irish labour | Mac Donnell, J. M. | Monograph or Collective Volume | Cork Workers' Club | 1974 |
| The Story of St. Patrick's Cathedral, Trim | Giff, W. L. M. | Monograph or Collective Volume | | 1959 |
| The story of the native Irish sisters who entered the Congregation of the Sisters, Servants of the Immaculate Heart of Mary Scranton, Pennsylvania | Keenan, M. Michel | Monograph or Collective Volume | Congregation of the Sisters, Servants of the Immaculate Heart of Mary Scranton, Pennsylvania | 2006 |
| The Story of Trory | McNutt, J. A. M. | Monograph or Collective Volume | Graham & Sons | 1978 |
| The strange death of Thomas Francis Meagher : tribal politics in territorial Montana | Emmons, David M. | Article in Book | | 2006 |
| The stranger in Ireland; or, a tour in the southern and western parts of that country in 1805 | Carr, JohnCullen, L. M. (Louis Michael) | Monograph or Collective Volume | Irish University Press | 1970 |
| The structure and purpose of Adomnán's Vitae Columbae | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 2010 |
| The structure of 'Fled Bricrenn' before and after the 'Lebor na hUidre' interpolations | Slotkin, E. M. | Article in Journal | | 1978 |
| The structure of agriculture in east Westmeath, 1820-40 | [Kenny, M.] | Thesis | | 1974 |
| The student Oliver | Curran, M. J. | Article in Book | | 1937 |
| The study of Latin and Greek in Ulster from the seventeenth to the nineteenth centuries | Boyd, M. J. | Article in Journal | | 1945 |
| The suburbanization of the Irish in Boston, Chicago and New York | Winsberg, M. D. | Article in Journal | | 1986 |
| The succession of parish priests in the archdiocese of Dublin, 1771-1851 | O'Riordan, W. M. | Article in Journal | | 1956 |
| The sunshine patriots : the 1798 rebellion in Antrim and Down | Sibbett, R. M. | Monograph or Collective Volume | GOLI Publications | 1997 |
| The surrender of Padraic Pearse | Lowe, W.H.M. (William Henry Muir) | Article in Journal | | 1940 |
| The swastika and the shamrock : British fascism and the Irish question, 1918-1940 | Douglas, R. M., 1963- | Article in Journal | | 1997 |
| The Sweeney guide to the Irish turf from 1501 to 2001 | Hyland, Francis P. M.Sweeney, AnnieSweeney, Tony | Monograph or Collective Volume | Éamonn de Búrca | 2002 |
| The synod of Thurles, 1850 : discipline and education | Doherty, Gillian M.,O'Riordan, Tomás | Article in Book | | 2011 |
| The Tankards of Tankardstown : Flemish or Norman | Tankard, Peter M. | Article in Journal | | 1985 |
| The territory and people of Tethba | Dobbs, M. E. (Margaret E.), 1871-1962 | Article in Journal | | 1942 |
| The textile collection at the Ulster Folk and Transport Museum : a short history | Ballard, L. M. | Article in Book | | 1988 |
| The thunder maker : General Thomas Meagher | Bruce, W. M. L. | Monograph or Collective Volume | [s.n.] | 1959 |
| The ties that bind : the family networks of famine refugees at the du Pont Powder Mills, 1802-1902 | Mulrooney, Margaret M. | Article in Book | | 2003 |
| The Times versus William Smith O'Brien | Touhill, Blanche M. | Article in Journal | | 1982 |
| The Tirry documents in the Augustinian General Archives | Hackett, M. B. | Article in Journal | | 1957 |
| The town book of the corporation of Belfast, 1613-1816 | | Monograph or Collective Volume | | 1892 |
| The townland of Ballyquinton, part 3 | Lennon, GerardMason, M. A. | Article in Journal | | 1985 |
| The townland of Tullycarnan. Part 2 | Lennon, GerardMason, M. A. | Article in Journal | | 1983 |
| The townlands of Ballyquintin and Tullycernan | Lennon, GerardMason, M. A. | Article in Journal | | 1981 |
| The trade statistics of the Irish Free State | Duncan, G. A.Eason, J. C. M.Lyon, Stanley | Article in Journal | | 1937 |
| The traditional Irish thatched house : image and reality, 1793-1993 | Kennedy, Brian P. | Article in Book | | 1993 |
| The Trant family, parts 1-2 | M., S. | Article in Journal | | 1998 |
| The tuatha of Brenay O'Roirck elucidated | Connellan, M. J. | Article in Journal | | 1946 |
| The Two George Fitzgeralds of London, 1718-1759 | Cullen, L. M. (Louis Michael) | Article in Book | | 2007 |
| The Ui Briuin Breifni genealogies | Duignan, M. V. (Michael V.) | Article in Journal | | 1934 |
| The Ui Derco Cein | Dobbs, M. E. (Margaret E.), 1871-1962 | Article in Journal | | 1939 |
| The Uí Néill 695-743 : the rise and fall of dynasties | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Journal | | 2002 |
| The Ulster branch of the family of Wauchope, Wauhope, Wahab, Waughop etc., with notes on the main Scottish family and on branches in America and Australia | | Monograph or Collective Volume | | 1929 |
| The Ulster Cycle and the place of Armagh in the tradition | Greenwood, E. M. | Article in Book | | 2001 |
| The Ulster textile industry | Bottomley, P. M. | Monograph or Collective Volume | Public Record Office of Northern Ireland | 1978 |
| The Ulster Unionists "on velvet" : home rule and partition in the Lloyd George proposals, 1916 | Rast, M. C. | Article in Journal | | 2017 |
| The united dioceses of Down and Dromore | McGrath, AnnetteRankin, FredWalker, B. M. (Brian Mercer) | Article in Book | | 2013 |
| The United Irishmen : problems and issues of the 1790s | Cullen, L. M. (Louis Michael) | Article in Journal | | 1997 |
| The United Irishmen in Wexford | Cullen, L. M. (Louis Michael) | Article in Book | | 1996 |
| The unstrung harp : Canada's Irish | Toner, Peter M. | Article in Journal | | 1978 |
| The Use and Character of Wood in Prehistoric Britain and Ireland | Coles, John M.Heal, S. V. E.Orme, B. J. | Article in Journal | | 1978 |
| The use of leisure in old Galway | O'Sullivan, M. D. (Mary Donovan) | Article in Journal | | 1939 |
| The use of the American civil war in the debate over Irish home rule | Hernon, Joseph M. | Article in Journal | | 1964 |
| The use of the potato crop in pre-famine Ireland | Bourke, P. M. A. (Austin) | Article in Journal | | 1968 |
| The Ushers of Birr | Masters, J. M. | Article in Journal | | 1978 |
| The value of contemporary printed sources for Irish economic history in the eighteenth century | Cullen, L. M. (Louis Michael) | Article in Journal | | 1964 |
| The Vanished Kingdoms of Patrick O'Farrell : Religion, Memory and Migration in Religious History: | Carey, Hilary M. | Article in Journal | | 2007 |
| The Verners. Who were they? | Higgins, M.A. | Article in Journal | | 2013 |
| The Veterinary College at Ballsbridge and the planned new veterinary school | Monaghan, M. L. | Article in Book | | 2001 |
| The Victoria Hospital, Cork : a history | Barry, J. M. | Monograph or Collective Volume | The author | 1992 |
| The Vikings in the Isle of Man | Wilson, David M. | Monograph or Collective Volume | Aarhus University Press | 2008 |
| The village of the monks : Duiske Abbey, Graignamanagh | Dunny, PatrickO'Leary, M. | Monograph or Collective Volume | The authors | 1980 |
| The Walsingham letter book, or, register of Ireland, May, 1578 - December, 1579 | | Monograph or Collective Volume | The Stationery Office | 1959 |
| The Waltham system and the coming of the Irish | Gitelman, H. M. | Article in Journal | | 1967 |
| The warm springs of Mallow and the Munster region | Bruck, Peter M. | Article in Journal | | 1988 |
| The water supply to Dungiven 1874-1899 | Bould, M. H. | Article in Journal | | 1980 |
| The Waterford economy, 1945-1962: the iteraction of government policy and local initiative | Hearne, John M. | Thesis | | 1991 |
| The Waterford Glassworks strike 1846-1847 | Hearne, John M. | Article in Journal | | 2012 |
| The Welsh diaspora | MacRaild, Donald M.Payton, Philip | Article in Book | | 2018 |
| The Welsh law of women | NA | Monograph or Collective Volume | NA | 1980 |
| The Westminster formularies in Irish Presbyterianism | Barkley, John M. | Monograph or Collective Volume | Graham & Heslip | 1956 |
| The Whitworths and Drogheda in the 19th century | Renfrew, Jane M. | Article in Journal | | 1989 |
| The wild bunch : exploitation of the hazel in prehistoric Ireland | McComb, Anne M. G.Simpson, Derek | Article in Journal | | 1999 |
| The Wild Geese : the Irish brigades of France and Spain | McLaughlin, M. G. | Monograph or Collective Volume | Osprey | 1980 |
| The will of John O'Neill, third earl of Tyrone | | Article in Journal | | 1974 |
| The wives of Ulick, 1st earl of Clanrickarde | O'Sullivan, M. D. (Mary Donovan) | Article in Journal | | 1945 |
| The women in green : a history of the Royal Ulster Constabulary's policewomen : golden jubilee, 1943-1993 | Cameron, Margaret M. | Monograph or Collective Volume | R.U.C. Historical Society | 1993 |
| The women writers of 'The Nation' | O'Toole, L. M. | Article in Book | | 1945 |
| The woodcuts of Irish ballad sheets, 1626-1960 | Shields, Hugh, 1929-2008 | Article in Book | NA | 1994 |
| The work and the report of the Recess Committee, 1895-1896 | Clune, M. J. | Article in Journal | | 1982 |
| The work of James Thomson in the field of hydraulics | Gould, M. H. | Article in Book | | 1990 |
| The workhouse system in Loughrea, 1846-51 | O'Keefe, M. | Article in Book | | 2003 |
| The workhouses of Ulster | Gould, M. H. | Monograph or Collective Volume | Ulster Architectural Heritage Society | 1983 |
| The world of women : recent medieval and early modern publications | Meikle, Maureen M. | Article in Journal | | 1994 |
| The writings and speeches of Oliver Cromwell | Abbott, Wilbur CortezCrane, Catherine D.Cromwell, Oliver, 1599-1658Gleason, M. R. | Monograph or Collective Volume | | 1937 |
| The writings of D.B. Quinn : a bibliography of publications to mid-1976 | Hair, Paul Edward HedleyQuinn, A. M. | Article in Book | | 1979 |
| The writings of Howard B. Clarke, 1966-2009 | Davies, K. M. (Kathleen Mary)Murphy, Angela, | Article in Book | | 2009 |
| The written memory of St Mary's University College, Dublin (1893-1912) : the pioneer college for the higher education of Catholic women in Ireland | Cunningham, John M. | Article in Journal | | 2019 |
| The Yeats family and the Pollexfens of Sligo | Murphy, W. M. | Monograph or Collective Volume | Dolmen Press | 1971 |
| The “O'Brien ethic” as an interpretative problem | Regan, John M. | Article in Journal | | 2013 |
| Then Batavian Republic and Ireland, 1797 | Kramers, C. J. M. | Article in Journal | | 1996 |
| Theobald Mathew, OFM (Cap.) | Lysaght, M. | Monograph or Collective Volume | NA | 1984 |
| Theodore O'Hara, author of "The bivouac of the dead" | Sweeny, William M. | Article in Journal | | 1926 |
| Thesis abstract : Bishop Thomas Lewis O’Beirne and his church-building programme in
the diocese of Meath, 1798–1823 | Gallagher, M. Caroline | Article in Journal | | 2010 |
| They make the valley a place of springs : the story of the Rostrevor Benedictines | Nolan, Mark-Ephrem M. | Article in Book | | 2005 |
| Thomas Conolly (1823-76) of Castletown House and the social networking of power | Pegley, Suzanne M. | Monograph or Collective Volume | Four Courts Press | 2022 |
| Thomas Davis and Young Ireland | | Monograph or Collective Volume | The Stationery Office | 1945 |
| Thomas Davis, nation builder | MacManus, M. J. | Monograph or Collective Volume | Glún na Buaidhe | 1945 |
| Thomas Drummond and the government of Ireland, 1835-41 | Ó Tuathaigh, M. A. G. (Gearóid) | Monograph or Collective Volume | National University of Ireland | 1978 |
| Thomas England 1823-1869, a Bandon-born architect in Carlifornia, U.S.A., part 1 | England, M. J. | Article in Journal | | 2003 |
| Thomas Francis Meagher : reluctant revolutionary | Hearne, John M. | Article in Book | | 2006 |
| Thomas Francis Meagher : the making of an Irish American | Cornish, Rory T.Hearne, John M. | Monograph or Collective Volume | Irish Academic Press | 2006 |
| Thomas Francis Meagher : the making of an Irish-American | | Monograph or Collective Volume | Irish Academic Press | 2005 |
| Thomas Jackson : minister of Downpatrick, 1700-1708 | Brown, Godfrey M. | Article in Journal | | 1986 |
| Thomas Martin and the founding of Sinn Féin | McEvatt, R. M. | Article in Journal | | 1970 |
| Thomas Moore and Irish music | Doyle, M. P. | Article in Journal | | 1946 |
| Thomas Moore and the problem of colonial masculinity in Irish Romanticism | Wright, Julia M. | Article in Book | | 2012 |
| Thomas Moore and the transatlantic, 1800-1840 : the local, the global and the mobile | Wright, Julia M. | Monograph or Collective Volume | Edinburgh University Press | 2025 |
| Thomas Moore's wild song : the 1821 Irish Melodies | Campbell, M. | Article in Journal | | 2000 |
| Thomas Patrick Conneff and the birth of modern mile racing in America | O'Leary, Wayne M. | Article in Journal | | 1995 |
| Thomas Rickman in Ireland : the building of Lough Fea, Co. Monaghan, and its context | Aldrich, M. B. | Article in Book | | 2008 |
| Three pages from Irish Gospel books | Duignan, M. V. (Michael V.) | Article in Journal | | 1952 |
| Three Patrician bishops and their seats in Airteach | Connellan, M. J. | Article in Journal | | 1951 |
| Timothée Silvain : an Irish eccentric in New France | Punch, Terence M. | Article in Journal | | 1978 |
| Timothy Francis McCarthy : an Irish immigrant life on the Comstock | James, Ronald M. | Article in Journal | | 1996 |
| Tír inna mBan : domestic space and frontiers of gender in early medieval Ireland | Bitel, Lisa M., 1958- | Article in Book | | 1996 |
| To kill a king | Buckley, Victor M. | Article in Journal | | 2014 |
| To sail the crested sea | Nixon, W. M. | Monograph or Collective Volume | Irish Cruising Club | 1979 |
| To the ends of the earth : Scotland's global diaspora, 1750-2010 | Devine, T. M. | Monograph or Collective Volume | Allen Lane | 2011 |
| Toasters and boasters : John D. Crimmins's "St. Patrick's Day" (1902) | Quinn, E. M. | Article in Journal | | 2004 |
| Tobin genealogy | Punch, Terence M. | Article in Journal | | 1975 |
| Tochmarc Étaíne : a literal interpretation | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 2002 |
| Tombstone inscriptions at Ardcanny, Co. Limerick | Dore, M. J. | Article in Journal | | 1977 |
| Torn apart : fifty years of the troubles, 1969-2019 | Wharton, Ken M. | Monograph | History Press | 2019 |
| Toward a biography of James Alexander Mahony | Hickey, Norah M. | Article in Journal | | 2019 |
| Towards a bibliography of Dr Chris O'Mahony | Hickey, Nora M. | Article in Journal | | 2007 |
| Towards a history of Croghan Hill | | Monograph or Collective Volume | Phoenix Press | 1974 |
| Towards a psychoanalytic interpretation of Charles Stewart Parnell | Woods, Joseph M. | Article in Journal | | 1978 |
| Town life | Cullen, L. M. (Louis Michael) | Monograph or Collective Volume | Gill & Macmillan | 1973 |
| Town population change, 1971-1986 : patterns and distributional effects | Cawley, M. | Article in Journal | | 1991 |
| Townland survey of county Louth | Keenan, T. M. | Article in Journal | | 1947 |
| Towns in Tudor and Stuart Britain | Jack, Sybil M. | Monograph or Collective Volume | Macmillan | 1996 |
| Tráchtáil idir iarthar na hÉireann is an Fhrainc, 1660-1800 | Cullen, L. M. (Louis Michael) | Article in Journal | | 1957 |
| Tráchtáil is baincéaracht i nGaillimh san 18ú céad | Cullen, L. M. (Louis Michael) | Article in Journal | | 1958 |
| Tracing an Irish widow’s journey : immigration and medical care in the mid-nineteenth century | Flad, M. M. | Article in Journal | | 1995 |
| Trade as a factor in the transmission of texts between Ireland and the continent in the sixth and seventh centuries | Wooding, Jonathan M. | Article in Book | | 2002 |
| Trans/atlantic mobilities: Translating narratives of
Irish Resistance | Caneda Cabrera, M. Teresa (Maria) | Article in Book | | 2015 |
| Transhumance in Ireland | Graham, J. M. | Article in Journal | | 1953 |
| Transnational trade in the wartime North Atlantic : the voyage of the snow recovery | Truxes, Thomas M. | Article in Journal | | 2005 |
| Transported to life in Australia. The story of William McMahon - convicted at the Clare Spring Assizes 1849 and sentenced to ten years transportation to Van Dieman's Land | McMahon, AnneOwen, K. M. | Article in Journal | | 2003 |
| Travellers and their language | | Monograph or Collective Volume | Cló Ollscoil na Banríona | 2002 |
| Treasure Trove and Dublin Castle:cases and collectors from Cork | Ireland, Aideen M. | Article in Journal | | 2013 |
| Treasured heirlooms | MacGrath, K. M. | Article in Journal | | 1946 |
| Tree man of Avondale : Samuel Hayes wrote the first book on Irish forestry | Davies, K. M. (Kathleen Mary) | Article in Journal | | 1999 |
| Trinity College Dublin: The College Historical Society, oratory and debate, 1770-2020 | Geoghegan, Patrick M. | Monograph or Collective Volume | Lilliput Press | 2020 |
| Trinity College Mission in Belfast (founded 1912): a short story of its origin its growth its prospects | Barton, A. W.,Gwynn, R. M.,Hannon, GordonHayes, E. C.,Manning, W. R. F., | Monograph or Collective Volume | [Adams] | 1920 |
| Trinity College, Dublin | Dixon, W. M. | Monograph or Collective Volume | | 1902 |
| Trinity Hall 1908-2008 : Trinty College Dublin residence | Pilcher, Rosa | Monograph or Collective Volume | Hinds | 2013 |
| Trouble in the north end : the geography of social violence in Saint John, 1840-1860 | Winder, Gordon M. | Article in Journal | | 2000 |
| Tuaim of the Rath Breasail synod | Connellan, M. J. | Article in Journal | | 1952 |
| Turning the spit : Timothy Anglin and the roasting of D'Arcy McGee | Baker, William M. | Article in Book | | 1988 |
| Two decorated fonts in Drogheda, Co. Louth | Roe, Helen M. | Article in Journal | | 1976 |
| Two gentlemen of the Freeman : Thomas Sexton, W.H. Brayden and the Freeman's Journal, 1892-1916 | Larkin, Felix M. | Article in Book | | 2010 |
| Two Irish literary manuscripts in the Mid-West | Slotkin, Edgar M. | Article in Journal | | 1991 |
| Two Irish national tales : complete texts with introduction, historical contexts, critical essays | | Monograph or Collective Volume | Houghton Mifflin | 2005 |
| Two men of Mourne : photographs by Pat Hudson and Cecil Newman | Logan, Karen,Simpson, M. Lesley | Monograph or Collective Volume | Down County Museum | 2013 |
| Two Ponsonby letters | Ireland, Aideen M. | Article in Journal | | 1993 |
| Two short notes : 'The Latin citation at CIH 847.23 [and] the date of Section A of Royal Irish Academy MS 23 Q 6 [1243] | Eska, Charlene M. | Article in Journal | | 2018 |
| Two stone crucifixion plaques from east Connacht | Timoney, M. A. | Article in Book | | 1980 |
| Tyson's 'Orang-Outang, sive Homo Sylvestris' and Swift's 'Gulliver's travels' | Montagu, M. F. Ashley | Article in Journal | | 1944 |
| U.C.C. and the red peril : a page from the past | Bourke, P. M. A. (Austin) | Article in Journal | | 2003 |
| Ulster : an illustrated history | | Monograph or Collective Volume | Batsford | 1989 |
| Ulster politics : the formative years, 1868-1886 | Walker, B. M. (Brian Mercer) | Monograph or Collective Volume | | 1990 |
| Ulster politics : the formative years, 1868-1886 | Walker, B. M. (Brian Mercer) | Monograph or Collective Volume | Ulster Historical Foundation and Queen's University of Belfast, Institute of Irish Studies | 1989 |
| Ulster society and politics, 1801-1921 | Walker, B. M. (Brian Mercer) | Article in Book | | 1989 |
| Ulster's six counties | Mogey, J. M. | Article in Book | | 1955 |
| Ulster, 1912-22 : change, controversy and conflict | NA | Monograph or Collective Volume | Ulster Historical Foundation | 2024 |
| Umaum-an-affrin | M., S. | Article in Journal | | 1997 |
| Un principe di Toscana in Inghilterra e in Irlanda nel 1669 : relazione ufficiale del viaggio di Cosimo de' Medici tratta dal 'giornale' di L. Magalotti | | Monograph or Collective Volume | | 1968 |
| Úna Bhán | Ó Conchúir, M. F. | Monograph or Collective Volume | Cló Iar-Chonnachta | 1994 |
| Undaunted spirit : the life and times of Joseph T. Reilly | Quinlan, Lucille M. | Monograph or Collective Volume | Polding Press | 1980 |
| Underground Catholic networks in Ireland and Britain : the case of Ribbonism before the Famine and after | Hughes, KyleMacRaild, Donald M. | Article in Book | | 2018 |
| Understanding Insurgency Violence : A Quantitative Analysis of the Political Violence in Northern Ireland 1969-1999 | Beggan, Dominic M. | Article in Journal | | 2009 |
| Understanding insurgency Vvolence : a quantitative analysis of the political violence in Northern Ireland 1969–1999 | Beggan, Dominic M. | Article in Journal | | 2009 |
| Understanding the 2015 marriage referendum in Ireland : context, campaign, and conservative Ireland | Elkink, Johan A.Farrell, David M.Reidy, TheresaSuiter, Jane | Article in Journal | | 2017 |
| Union to partition : Ireland 1800-1921 | Hodge, Audrey M.Rees, Russell | Monograph or Collective Volume | Colourpoint | 1995 |
| Unit histories | MacCarthy, J. M. | Article in Journal | | 1947 |
| United States armed forces in Northern Ireland during World War II | Carroll, Francis M. | Article in Journal | | 2008 |
| Unlawful carnal knowledge in the Irish Free State, 1924–1935 | Doyle, David M. | Article in Journal | | 2025 |
| Unmanageable revolutionaries : women and Irish nationalism | Ward, M. | Monograph or Collective Volume | Pluto | 1983 |
| UNOGIL and UNTSO : 1958-60, the pre-Congo origins of Ireland's involvement in United Nations peacekeeping | Heaslip, Richard E. M. | Article in Book | | 2005 |
| Unpublished letters of Hugh O'Neill, Glanconcadhaim, 1602 | Walsh, M. K. | Article in Journal | | 1981 |
| Unravelling the strands of ‘patriarchy’ in rural innovation : a study of female innovators and their contribution to rural Connemara | Farrell, MauraNí Fhlatharta, Aoife M. | Article in Journal | | 2017 |
| Unrecognised Middle-Class Revolutionary? Michael Cusack, sport and Cultural Change in Nineteenth-Century Ireland | Bradley, Joseph M. | Article in Journal | | 2002 |
| Urbanization and the regional distribution of population in post-Famine Ireland | Walsh, Brendan M. | Article in Journal | | 2000 |
| Urbanization and the regional distribution of population in post-Famine Ireland | Walsh, Brendan M. | Monograph or Collective Volume | University College Dublin, Department of Economics | 1999 |
| Vaccination in Ireland : the evolution of a process | Geary, Laurence M. | Article in Journal | | 2021 |
| Varieties of Early Irish Legal Literature and the Cáin Lánamna Fragments | Eska, Charlene M. | Article in Journal | | 2009 |
| Varieties of unionism : strategies for union revitalization in a globalizing economy | | Monograph or Collective Volume | Oxford University Press | 2004 |
| Vatican Archives as a historical source to c. 1530 | Haren, M. J. | Article in Journal | | 1984 |
| Vatican archives Minutae brevium in forma gratiosa relating to Clogher diocese | Haren, M. J. | Article in Journal | | 1985 |
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| Veterinary inspection at Waterford port, 1876-1900 | Cassidy, M. | Article in Journal | | 1980 |
| Victoria college : the early years | Cunningham, M. | Article in Journal | | 1978 |
| Victorian centenary (Britain in 1837) | Young, G. M. | Article in Book | | 1948 |
| Victorian ideologies of improvement : Sir Charles Trevelyan in India and Ireland | Boylan, Ciara M. | Article in Book | | 2006 |
| Vienna : nationalbibliothek | | Monograph or Collective Volume | Thames & Hudson | 1967 |
| Vigilantes in gold rush San Francisco | Senkewicz, R. M. | Monograph or Collective Volume | Stanford University Press | 1985 |
| Viking empires | Forte, Angelo D. M.Oram, Richard D.Pedersen, Frederik | Monograph or Collective Volume | Cambridge University Press | 2005 |
| Viking Raids and Conquest | Hadley, Dawn M. | Article in Book | | 2009 |
| Vikings on the Ribble : their origin and longphuirt | Lewis, Stephen, M. | Article in Journal | | 2016 |
| Villain, victim or prophet?: William Gregory and the Great Famine | Walker, B. M. (Brian Mercer) | Article in Journal | | 2013 |
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| Violence transported : aspects of Irish peasant society | Johnston, E. M. | Article in Book | | 1986 |
| Vision and reality : a survey of twentieth-century Irish inter-church relations | Ellis, Ian M. | Monograph or Collective Volume | Queen's University of Belfast, Institute of Irish Studies | 1992 |
| Visual : thinking big | O'Shaughnessy, Jason M. | Article in Journal | | 2009 |
| Visualizing Ireland : national identity and the pictorial tradition | | Monograph or Collective Volume | Faber | 1993 |
| Voices of doctors and officials | | Article in Book | | 2012 |
| Voluntary charity in early nineteenth century Ulster : Counties Armagh and Down in the 1830s | Beale, G. M. | Article in Journal | | 2001 |
| W. B. Yeats, John O'Leary and the Contemporary Club | Macken, Mary M. | Article in Journal | | 1939 |
| Wading in fields of red gore | Taylor, John M. | Article in Journal | | 1980 |
| Wage convergence and integrated labour markets : Ireland and Britain, 1841-1991 | Walsh, Brendan M. | Monograph or Collective Volume | University College Dublin, Department of Economics | 1994 |
| Wages and Comparative Development in Ireland and Scotland, 1565-1780 | Cullen, L. M. (Louis Michael)Gibson, A.Smout, Thomas Christopher | Article in Book | | 1988 |
| Waging the Economic War: The IRA, Fianna Fáil, and the Boycott British Campaign, 1932-33 | O'Neil, Timothy M. | Article in Journal | | 2017 |
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| Wartime canal boatmen | Clark, M. | Article in Journal | | 1996 |
| Washington and his army in Morris County, New Jersey, winter of 1776-77 | Sherman, Andrew M. | Article in Journal | | 1911 |
| Waterford Central Technical Institute 1906-2006 | Hearne, John M. | Monograph or Collective Volume | City of Waterford Vocational Education Committee | 2006 |
| Waterford Central Technical Institute and the development of technical education in Waterford City 1906-1930 | Hearne, John M. | Article in Journal | | 2006 |
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| Waterford Crystal : the creation of a global brand, 1700-2009 | Hearne, John M. | Monograph or Collective Volume | Merrion Press | 2018 |
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| We surrender | O'Brennan, Lily M. | Article in Journal | | 2006 |
| We surrender : an episode of Fourth Battalion, 30th April 1916 | O'Brennan, Lily M. | Article in Journal | | 1947 |
| Weapons and tactics of 1798 | Kerrigan, Paul M. | Article in Journal | | 1999 |
| Wearing the green : a history of nationalist demonstrations among the diaspora in Scotland | Bradley, Joseph M. | Article in Book | | 2000 |
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| Were Ealdormen Exercising Independent Control over the Coinage in Mid Tenth Century England | Metcalf, D. M. | Article in Journal | | 1987 |
| Werner Unland : the Abwehr's man in Dublin | Hull, Mark M. | Article in Journal | | 1999 |
| Werra ware in Britain, Ireland and North America | Gaimster, David R. M.Hurst, John G. | Article in Journal | | 2005 |
| West County Wicklow notes | Drury, Charles M. | Article in Journal | | 1908 |
| Westport customs and excise, 1837-1881 | Ireland, Aideen M. | Article in Journal | | 1991 |
| Westward from Ballyquin | Higgins, M. A. | Article in Journal | | 2011 |
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| What do Irish voters want from and think of their politicians? | Barrett, DavidFarrell, David M.Gallagher, Michael | Article in Book | | 2018 |
| What is a tale title? Togail na Tebe as an editorial construction | Briggs, Mariamne M. | Article in Journal | | 2024 |
| What parish are you from? : a Chicago Irish community and race relations | McMahon, Eileen M. | Monograph or Collective Volume | University Press of Kentucky | 1995 |
| What people died of during the famine | Geary, Laurence M. | Article in Book | | 1997 |
| What two saintly Quakers did for Edmund Burke | Jones, R. M. | Article in Journal | | 1946 |
| When crowbar & bayonet ruled : the Land War on the Belcarra estate of Harriet Gardiner & Susanna Pringle, 1879-1910 | O'Connor, James R.O'Connor, Michael M. | Monograph or Collective Volume | Original Writing | 2013 |
| When is a market house not a market house? the site of St. Matthew's Church, Richhill reassessed | Weatherup, D. R. M. | Article in Journal | | 2004 |
| When the past meets the present : the Great Irish Famine and Scottish football | Bradley, Joseph M. | Article in Journal | | 2013 |
| Where are the non-human bog bodies? | Wilkinson, David M. ; O'Regan, Hannah J. ; Clare, Tom | Article in Journal | | 2006 |
| Where his feet pass : a year in the life of a path at Mount Melleray Abbey | Green, Susan M. | Monograph or Collective Volume | Mount Melleray Abbey | 2020 |
| Where on Cruachain was Seandomnagh Maighe Ali? | Connellan, M. J. | Article in Journal | | 1954 |
| Where was Rath Breasail's Sliab Beatha? | Schlegel, Donald M. | Article in Journal | | 2012 |
| Wherever orange is worn : Orangeism and Irish migration in the nineteenth and early twentieth century | MacRaild, Donald M. | Article in Journal | | 2003 |
| Whether Habsburgs or Bourbons: some reflections on the alignments of nobles of Irish origin in the war of the Spanish succession, 1713-1723 | Downey, Declan M. | Article in Book | | 2010 |
| White paper-making in Ireland in the 1690s | Pollard, M. | Article in Journal | | 1977 |
| Whither the warrior in Viking-age towns? | Hadley, Dawn M. | Article in Book | | 2013 |
| Who did Al-Ghazál meet? An exchange of embassies between the Arabs from Al-Andalus and the Vikings | Pons-Sanz, Sara M. | Article in Journal | | 2004 |
| Who fears to speak? | Bradley, Joseph M. | Article in Book | | 2016 |
| Who lived in the ring forts? | Fahy, E. M. | Article in Journal | | 1957 |
| Who speaks for Ulster? Similarities between elections in Derry 1913 and Northern Ireland 2022 | Rast, M.C. | Article in Journal | | 2022 |
| Who was present at the founding of the GAA at Thurles in 1884? | Tobin, J.M. | Article in Journal | | 2015 |
| Who were the Devat brothers? | M., G.McM., T. | Article in Journal | | 2011 |
| Whosoever plants | McFarlan, Diana M. | Monograph or Collective Volume | Dublin Univ. Far Eastern Mission | 1993 |
| Why Home Rule is unnecessary | Kennedy, J. M. | Article in Journal | | 1913 |
| Why Ireland is not free : a study of twenty years in politics | Healy, T. M. | Monograph or Collective Volume | | 1898 |
| Why Monaghan Protestants opposed Home Rule | Dooley, Terence A. M. | Article in Journal | | 1993 |
| Why the Highlands did not starve : Ireland and Highland Scotland during the potato famine | Devine, Tom M. | Article in Book | | 2007 |
| Wild geese and the double headed eagle : Irish integration in Austria, c. 1630-c.1918 | Downey, Declan M. | Article in Book | | 2002 |
| Will and codicils of primate Richard O'Reilly (d. 1818) | Ó C., M. | Article in Journal | | 1957 |
| Will of Roger Brettridge, 1683 | Conlon, M. V. | Article in Journal | | 1956 |
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| William Canon Carrigan, 1860-1924 | Phelan, Margaret M. | Article in Journal | | 1976 |
| William Carleton: Famine, disease and Irish society | Geary, Laurence M. | Article in Journal | | 2013 |
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| William Earl Marshall, (1144-1219) | Phelan, Margaret M. | Article in Journal | | 1983 |
| William Francis Norman O'Loughlin (1849-1912), Senior Surgeon aboard Titanic | Codd, Edel M. | Article in Journal | | 2024 |
| William George Dowsley (1871-1947) | Murphy, William M.Theron, Patricia F. d'A. | Article in Journal | | 2013 |
| William Higgins at the Dublin Society, 1810-20: the loss of a professorship and a claim to the atomic theory | Grossman, M. I. (Mark I.) | Article in Journal | | 2010 |
| William Maginn and Blackwood's Magazine | Wardle, R. M. | Article in Journal | | 1939 |
| William Murphy, the Orange Order and communal violence : the Irish in West Cumberland, 1871-1884 | MacRaild, Donald M. | Article in Book | | 1993 |
| William Murphy, the Orange Order and communal violence : the Irish in West Cumberland, 1871-1884 | MacRaild, Donald M. | Article in Book | | 1996 |
| William O'Brien agus a chlann | Mitchell, L. M. | Article in Journal | | 1958 |
| William of Windsor in Ireland | Harbison, Helen M.S. | Thesis | | 1977 |
| William Parsons, third earl of Rosse | Parsons, L. M. H., 6th Earl of Rosse | Article in Journal | | 1968 |
| William Patrick (Willie) Duggan | N., P.M. | Article in Journal | | 2017 |
| William Prim Perry (1811-1879). A nineteenth-century antiquarian collector | Ireland, Aideen M. | Article in Journal | | 1995 |
| William Smith (1698-1741) and the Dissenters' book trade | Moore, JamesStewart, M. A. | Article in Journal | | 1993 |
| 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 Street, Kilkenny | Phelan, Margaret M. | Article in Journal | | 1978 |
| William Wilde (1815-76) as historian - a bicentenary appraisal | Geary, Laurence M. | Article in Journal | | 2015 |
| Wills of Irish interest in the probate registry at Halifax, Nova Scotia, Canada | Punch, Terence M. | Article in Journal | | 1969 |
| Winston Churchill, Dublin, 1662-1668 | Lennon, M. J. | Article in Journal | | 1990 |
| Wisdom and Mercy Meet : Catherine McAuley's interpretation of Scripture | Davis, Elizabeth M. | Article in Book | | 2007 |
| With pike and drum | Simpson, M. Lesley | Article in Journal | | 2003 |
| Woman suffrage and Irish nationalism : ethnic appeals and alliances in America | McCarthy, Tara M. | Article in Journal | | 2014 |
| Womanpower no. 1 : a statistical survey of women and work in Northern Ireland | Trainor, MaryTrewsdale, Janet M. | Monograph or Collective Volume | [s.n.] | 1979 |
| Women and society - citations 3601-6000 : an annotated bibliography | | Monograph or Collective Volume | | 1978 |
| Women and the family in post-famine Ireland : status and opportunity in a patriarchical society | Rhodes, Rita M. | Monograph or Collective Volume | Garland | 1992 |
| Women in the university and college : a struggle within a struggle | Macken, Mary M. | Article in Book | | 1954 |
| Women of the Uí Dúnlainge of Leinster | Dobbs, M. E. (Margaret E.), 1871-1962 | Article in Journal | | 1940 |
| Women Religious, Charitable Ministries and the Welfare State | Mangion, Carmen M. | Article in Book | Oxford University Press | 2023 |
| Women writers of the Irish newspaper and periodical press, 1833-1870 | Carr, Deirdre M. | Thesis | | 2010 |
| Women's donations to the churches in early Ireland | Bitel, Lisa M., 1958- | Article in Journal | | 1984 |
| Women's monastic enclosures in early Ireland : a study of female spirituality and male monastic mentalities | Bitel, Lisa M., 1958- | Article in Journal | | 1986 |
| Women's work in Britain and America : from the nineties to World War I : an annotated bibliography | McFeely, M. D. | Monograph or Collective Volume | | 1982 |
| Women, mental disorder and crime in nineteenth-century Ireland | Prior, Pauline M. | Article in Book | | 1997 |
| Wooden canoes | Mogey, J. M. | Article in Journal | | 1946 |
| Wooden figure sculpture in Ireland until the seventeenth century | McLeod, Catriona M. | Thesis | | 1944 |
| Words spoken at the grave of Jim Kemmy, Mount Saint Lawrence cemetery, Limerick, 29th September 1997 | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Journal | | 1998 |
| Writings on American history 1934 | American Historical AssociationGriffin, Grace GardnerLouraine, D. M.Tate, K. M. | Monograph or Collective Volume | U.S. Government Printing Office | 1938 |
| Yeat's unchanging Swift | Dalsimer, Adele M. | Article in Journal | | 1974 |
| Yeats and Homer | Liebregts, P. Th. M. G. | Article in Book | | 1989 |
| Zhertvy britanskogo kolonializma : sozvuchnnost' istoricheskikh sudeb | O'Riordan, M. | Article in Journal | | 1981 |
| [Obituary] Lex Hyde | M. | Article in Journal | | 2010 |
| [Which] speech from the dock? | Geoghegan, Patrick M. | Article in Journal | | 2003 |
| ‘An essential service’: The National Board and teacher education, 1831–1870 | Parkes, Susan M. | Article in Book | | 2016 |
| ‘Ethnicity’ : the Irish in Scotland-football, politics and identity | Bradley, Joseph M. | Article in Journal | | 1994 |
| ‘Insane Féiners’ : the 1916 Rising in County Monaghan and its commemoration in 1966 | Dooley, Terence A.M. | Article in Book | | 2017 |
| ‘Irish fever’ in Britain during the Great Famine : immigration, disease and the legacy of ‘Black ‘47’ | Darwen, LewisGurrin, BrianKennedy, LiamMacRaild, Donald M. | Article in Journal | | 2020 |
| ‘One Scotland many cultures’ : knowledge, acknowledgement and invisibility, Aiden McGeady, and the sports media in a multicultural society | Bradley, Joseph M. | Article in Journal | | 2006 |
| ‘Staging a lie' : Boston Catholics and the new Irish drama | Kane, Paula M. | Article in Book | | 1996 |
| ‘Systematizing’ constitutional deliberation : the 2016–18 citizens’ assembly in Ireland | Farrell, David M.Harris, ClodaghSuiter, Jane | Article in Journal | | 2019 |
| ‘The late disastrous epidemic' : medical relief and the great famine | Geary, Laurence M. | Article in Book | | 1996 |
| ‘They are murderers’ : the English Catholic Church and Provisional IRA attacks on London | Scull, Margaret M. | Article in Journal | | 2020 |
| “.....Since first I made my count” | C.M. (Maxwell, Conway) | Article in Journal | | 1975 |
| “.....Since first I made my count” (Part 2) | C.M. (Maxwell, Conway) | Article in Journal | | 1976 |
| “A fine mixture of pity and justice :” the criminal justice response to infanticide in Ireland, 1922–1949 | Brennan, Karen M. | Article in Journal | | 2013 |
| “A place for the better technical education of nurses” : the Dublin Metropolitan Technical School for Nurses, 1893-1969 | Fealy, Gerard M. | Article in Journal | | 2005 |
| “Ancient enmities” and modern conflict : history and politics in Northern Ireland
| Walker, Brian M. | Article in Journal | | 2007 |
| “Do not marry the fat short one” : the early Irish wisdom on women | Bitel, Lisa M., 1958- | Article in Journal | | 1995 |