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| 'Each Lord in his own Territory' : Giolla na Naomh Ó hUidhrín's profile of Thomond | Mac Mahon, Michael | Article in Journal | | 2012 |
| A dissuasive from popery, to the people of Ireland | Taylor, Jeremy, bishop, 1613-1667 | Monograph or Collective Volume | | 1664 |
| A history of the Cloghan parish | | Monograph or Collective Volume | Cloghan History Group, I.C.A. | 1988 |
| A lost tribe : the Clan Murtagh O'Conors | Simms, Katharine | Article in Journal | | 2001 |
| An Ghaeilge mar mhionteanga iarchoilíneach i gcomhthéacs an aistriúcháin | Murphy, Jamie | Article in Journal | | 2021 |
| An Irishman in Westminster Hall : William Skrene of Dundalk, King’s Serjeant at Law (c.1358-c.1420) | Brand, Paul | Article in Journal | | 1996 |
| Aodh Ó Dochartaigh and UCD-OFM MS A 25. | Breatnach, Caoimhín | Article in Book | | 2010 |
| Arklow's fever hospital witnessed tragic times | Murphy, Hilary | Article in Journal | | 1987 |
| Behaving badly? Irish migrants and "crime" | Swift, Roger | Article in Book | | 2005 |
| Beyond the frontiers : Irishmen and Irish goods in Lucca in the later middle ages | Meek, Christine E. | Article in Book | | 1995 |
| Cad a dhéanfas sgríobhnóir idir an dá linn?’: Blianta luatha an Ghúim agus tionchar éiginnteacht na rialacha maidir le foilsiú sa chló Gaelach agus sa chló Rómhánach orthu | Cassin, Teresa | Article in Journal | | 2020 |
| Calendar of documents relating to medieval Ireland in the series of ancient deeds in the National Archives of the United Kingdom | | Article in Journal | | 2006 |
| Colm Cille sa tSeanchas | Ó hEochaidh, Seán | Article in Journal | | 2021 |
| Counterfeiters, Lollards, and Lancastrian unease | Strohm, Paul | Article in Book | | 1997 |
| Diary of ten years eventful life of an early settler in Western Australia | Moore, George | Monograph or Collective Volume | University of Western Australia Press | 1978 |
| Dr James Donnelly, bishop of Clogher (1865-1893) and the ascendancy in Monaghan | Murnane, James H. | Article in Journal | | 1987 |
| Edmund MacRichard Butler: books and warfare in fifteenth-century Ireland | O'Neill, Timothy, 1947- | Monograph or Collective Volume | The Wild Apple Press | 2012 |
| Edmund MacRichard Butler: books and warfare in fifteenth-century Ireland | O'Neill, Timothy, 1947- | Article in Journal | | 2015 |
| England and its neighbours | Given-Wilson, Christopher | Article in Book | | 1996 |
| Fr Willie (Bill) Devine | Mullan, Desmond | Article in Journal | | 1987 |
| Hearth money rolls, parish of Lisburn | Smyth, J. | Article in Journal | | 1936 |
| Hodder Michael Westropp | Mitchell, Frank | Article in Journal | | 1987 |
| Hogan's Onomasticon and the work of the Northern Ireland Place-Name Project | Muhr, Kay | Article in Book | | 2011 |
| Knights errant | Ryan, John | Article in Book | | 1998 |
| Lady Louisa Conolly : mistress of Castletown, 1759-1821 | Moore, Christopher | Article in Book | | 1987 |
| Le commerce international de Nantes au XVIIIe siècle :l'exemple de la famille Walsh | Omine, Mari | Article in Journal | | 2003 |
| Local government in county Waterford in the thirteenth and fourteenth centuries : Part II; the Sheriffs of Waterford in the early fourteenth century; Part III : the office of Sheriff, 1355-1420 | Parker, Ciarán | Article in Journal | | 1996 |
| Manhattan for rent, 1785-1850 | Blackmar, Elizabeth | Monograph or Collective Volume | Cornell University Press | 1989 |
| Manuscript creation in Dublin : the scribe of Bodleian e. Museo MS 232 and Longleat MS 29 | O'Byrne, Theresa | Article in Book | | 2014 |
| Mapping population change in Ireland, 1841-1851 : quantitative analysis using historical GIS | Charlton, MartinFotheringham, A. Stewart,Kelly, Mary, | Article in Book | | 2012 |
| Medieval antiquarianism : the Butlers and artistic patronage in fifteenth-century Ireland | Ralph, Karen | Article in Journal | | 2014 |
| Michael Wynne : a bibliography | Anonymous | Article in Book | | 2001 |
| Miscellanea Vaticano-Hibernica, 1420-1631 (Vatican Archives : Borghese Collection) | | Article in Journal | | 1915 |
| New radiocarbon dates for the Black Pig's Dyke at Aghareagh West and Aghnaskew, County Monaghan | Walsh, AidanÓ Drisceoil, Cóilín | Article in Journal | | 2018 |
| Newspapers and print culture in eighteenth-century Limerick | Callaghan, Ursula | Thesis | | 2010 |
| Nótaí Fáin ar Chnuasach Lámhscríbhinní Mhic Ádhaimh | Keegan, Fintan | Article in Journal | | 2021 |
| Pleas held before the chief governors of Ireland, 1308-76 | Connolly, Philomena | Article in Journal | | 1983 |
| Raphoe and the reformation | Silke, John J. | Article in Book | | 1995 |
| Representation and dissent: 'Parliamentarianism' and the structure of politics in Colonial Ireland, c.1370-1420 | Crooks, Peter | Article in Journal | | 2010 |
| Signalling at Ballynahinch Junction | Christensen, M. | Article in Journal | | 1994 |
| Sloiged már rucsat Gréic Hebríb fechtas n-aile: a Middle Irish retelling of a Greek battle | McCoy, Patrick R. | Article in Journal | | 2017 |
| Sóisialaithe Átha Cliath agus teagasc Daniel de Leon, 1900-1909 | Morley, Vincent | Article in Journal | | 1987 |
| Spirituality and religion in oral tradition | | Article in Book | | 2002 |
| Spotsolas ar cheist an chló agus ar ghluaiseacht réamhathbheochana sna meáin Éireannacha-Mheiriceánacha sa naoú haois déag | Lyons, Fiona | Article in Journal | | 2021 |
| Stephen Brown, a medieval bishop of Ross | Webster, Charles A. | Article in Journal | | 1936 |
| The coastguard in Ireland | Symes, Edmond P. | Article in Journal | | 2002 |
| The dating of archaic Irish verse | Carney, James | Article in Book | | 1989 |
| The Franciscan Friary at Askeaton | Conlan, Patrick, 1940- | Article in Journal | | 2007 |
| The Lamplighters of the Phoenix Park: A unique history of one of Ireland’s most famous places | Fallon, DonalFlanagan, FrankFlanagan, James | Monograph or Collective Volume | Hachette Books Ireland | 2023 |
| The land league and electioneering in Mayo | Moran, Gerard | Article in Journal | | 1986 |
| The Lost Language of the Ballyhouras: Cnuasach Focal Paddy Fennessy | Fennessy, Paddy | Monograph or Collective Volume | Orla Kelly Publishing | 2023 |
| The origins and development of boycotting | Moran, Gerard | Article in Journal | | 1985 |
| The origins of agrarian violence in Meath, 1790-1828 | Mooney, Desmond | Article in Journal | | 1987 |
| The Quaker mission in Donegal, 1846. Additional annotation | MacArthur, C. W. P. | Article in Journal | | 1995 |
| Topographical poems by Seaán Mór Ó Dubhagáin and Giolla-na-naomh Ó Huidhrín | | Monograph or Collective Volume | Institute for Advanced Studies | 1943 |
| Two chief governors of Ireland at the same time | Wood, Herbert | Article in Journal | | 1928 |
| “A Tiger for Grammar”: An tOllamh Gearóid Ó Nualláin | Ó Conchubhair, Brian | Article in Journal | | 2020 |
| “Ob-La-Di Ob-La-Da” : Paul McCartney, diaspora and the politics of identity | Stratton, John | Article in Journal | | 1420 |