| "A valuable man" : James Meehan, United Irishman | O'Donnell, Ruán ; Reece, Bob | Article in Book | Crossing Press | 2000 |
| "An eye on the survey" : perception of the Ordnance Survey in Ireland 1824-1842 | Smith, Gilian | Article in Journal | | 2001 |
| "I have a notion of going off to India": Colonel Alexander Porter and Irish recruitment to the Indian Medical Service, 1855-96 | Shepard, Christopher | Article in Journal | | 2014 |
| "Republicans seeking asylum" | Ryan, Isidore | Article in Journal | | 2018 |
| "Rint" and "Repale" : Punch and the image of Daniel O'Connell, 1842-1847 | Williams, Leslie | Article in Journal | | 1997 |
| "The ecstasy of perfected love" : The eschatological mysticism of J.N. Darby | Nebeker, Gary L. | Article in Book | Paternoster | 2004 |
| "The law must take its course" : crime and transportation in Co Donegal, 1836-1842 | Byrne, Shaun | Article in Book | University College Dublin, Department of Modern History | 1989 |
| "The subaltern can whisper" : secrecy and solidarity in the fiction of John and Michael Banim | Murphy, Willa | Article in Book | Irish Academic Press | 2005 |
| 'Base One Londonderry' : Derry, the Yanks and World War II | Francis, DermotMullen, James | Article in Journal | | 1995 |
| 'English, Irished' : Union and violence in the fiction of John and Michael Banim | Murphy, Willa | Article in Book | | 2020 |
| 'Pat the Glanman': Patrick McGovern of Tullycrofton townland | McGovern, Joseph | Article in Journal | | 2005 |
| 'Perge, signifer' - or, where did William Maginn stand? | Latané, David E. | Article in Book | | 2005 |
| 'Remembering, not forgetting', a commemorative composition | Ingoldsby, Marian | Article in Book | | 2012 |
| 'The downfall of Hagan' : Sligo Ribbonism in 1842 | Kelly, Jennifer | Monograph or Collective Volume | Four Courts | 2008 |
| 'Warfare of the dirtiest, filthiest kind' | King, Tony | Article in Journal | | 2018 |
| 1842-1942 | Clúin, Éilis | Article in Journal | | 1942 |
| 1872 Chicago census; 1842 St Louis census; 1852-53 New York census | Anonymous | Article in Journal | | 2001 |
| A 'Whig rebel'? The parliamentary career of J. J. O'Kelly (1845-1916) | King, Carla | Article in Journal | | 2013 |
| A Caledon ballad | Lynass, Benjamin | Article in Journal | | 2011 |
| A calendar of the missionary correspondence of All Hallows, Dublin, 1842-77 | Murray, Patrick, Rev. | Thesis | | 1956 |
| A case of bad blood : the human story behind the public tragedy | Cunningham, P.Daly, Rosemary | Monograph or Collective Volume | Poolbeg | 2003 |
| A centenary and a golden jubilee : Mother Morrogh Bernard and the Providence Woollen Mills [Foxford] 1842-1892-1942 | Ryan, John | Article in Journal | | 1942 |
| A Cosmopolitan Nationalist: James J. O’Kelly in America | Townend, Paul A. | Article in Book | | 2017 |
| A demographic and social profile of Quebec city's Irish populations, 1842-1861 | Grace, Robert J. | Article in Journal | | 2003 |
| A famous Franco-Irish soldier : General William Corbet | Healy, F. J. | Article in Journal | | 1912 |
| A foreign correspondent in the Mambi-Land : James J. O’Kelly's fugitive Cuba, Fernando Ortiz's Irish Mambí | Brittan, Jennifer | Article in Journal | | 2011 |
| A forgotten Meath artist | Garry, James | Article in Journal | | 1969 |
| A forgotten United Irishman. William Corbet and the Corbet family | Smith, Charles | Article in Journal | | 1996 |
| A life's catch | Layden, Dermot | Monograph or Collective Volume | Original Writing | 2008 |
| A magistrate remembered in verse and folklore: Captain Charles Ferguson (d.1842) of Corsica, Ballinamuck, and Ballyshannon | Ferguson, Kenneth | Article in Journal | | 2020 |
| A monumental mission : the Ancient Order of Hibernians women and the construction of history | McCarthy, Tara M. | Article in Journal | | 2021 |
| A national and concordant feeling : Penny Journals in Ireland, 1832-1842 | Benatti, Francesca | Thesis | | 2003 |
| A notable centenary | Breathnach, Micheál | Article in Journal | | 1942 |
| A Pádraig Pearse letter | Pearse, Patrick Henry, 1879-1916 | Article in Journal | | 1991 |
| A plot of the six escheated counties of Ulster [c.1610] | Anonymous | Article in Journal | | 1938 |
| A postscript to 1798: five letters of Myles Prendergast O.S.A. | Keogh, Dáire | Article in Journal | | 2009 |
| A short history of Ballymena gas works : including some notes on coal processing and the manufacture of town gas | Allen, Andrew W. | Monograph or Collective Volume | Ballymena Borough Council | 1991 |
| A short history of Ballymena gas works : including some notes on coal processing and the manufacture of town gas | Allen, Andrew W. | Article in Book | | 1992 |
| A short history of Ireland : her literature and ancient monuments | Ffrench-Devitt, Maureen | Monograph or Collective Volume | Jetprint | 1983 |
| A slice of magic : the autobiography of Wyndham Beere, co-founder of Abrakebabra Ltd | Beere, RosalindBeere, Wyndham | Monograph or Collective Volume | Blackhall Publishing | 2004 |
| A Sligoman of South America | Butler, Eoin | Article in Journal | | 2018 |
| A society in transit : the Protestant community in Tyrone, 1836-42 | Curran, Darragh E. | Thesis | | 2010 |
| A struggle to be heard : by a true Ulster liberal | Laird, John | Monograph or Collective Volume | Global and Western | 2010 |
| A summer holiday in 1898, taken from the journals of Richard Gardner | Gardner, Richard | Article in Journal | | 2003 |
| A Tipperary settlement and tragedy on the Canadian frontier | Walsh, Gerard | Article in Journal | | 2018 |
| A topographical dictionary of Ireland, comprising the several counties, cities, boroughs, corporate, market, and post towns, parishes and villages, with historical and statistical descriptions. 2 vols. and atlas. | Lewis, Samuel | Monograph or Collective Volume | | 1837 |
| A topographical dictionary of Ireland. 2 vols. | Lewis, Samuel | Monograph or Collective Volume | | 1837 |
| A tour of pre-Famine Clare, 1842 | Kohl, Johann | Article in Book | | 1998 |
| A training school for rebels: Fenians in the French Foreign Legion | McConnel, JamesÓ Catháin, Máirtín | Article in Journal | | 2008 |
| A Ventry convert group, 1842 | De Brún, Pádraig | Article in Journal | | 1980 |
| A view from the west : the Neolithic of the Irish Sea zone | Cummings, Vicki, | Monograph or Collective Volume | Oxbow Books | 2009 |
| A visit to Hawthorn Lodge and Castlebar 1899. A letter from Emilius St Clair O'Malley to his brother Edward Loughlin O'Malley | Dunlop, Anne O'Malley | Article in Journal | | 2014 |
| A workhouse story : a history of St Patrick's Hospital, Cashel, 1842-1992 | Lonergan, Eamonn | Monograph or Collective Volume | The author | 1992 |
| A worthy citizen : Sir Edward Porter Cowan, Belfast : 26 March 1890 | Carson, Douglas | Article in Journal | | 1986 |
| Across the western ocean: songs of leaving and arriving | Moloney, Mick | Monograph or Collective Volume | Quinnipiac University | 2016 |
| After Bloody Sunday : ethics, representation, justice | Herron, TomLynch, John | Monograph or Collective Volume | Cork University Press | 2007 |
| Agnes Clerke's work as a scientific biographer | Brück, Mary Teresa | Article in Journal | | 1997 |
| Agnes Mary Clerke and the Edinburgh Review | O'Donovan, Perry | Article in Journal | | 2013 |
| Agnes Mary Clerke and the rise of astrophysics | Brück, Mary Teresa | Monograph or Collective Volume | Cambridge University Press | 2002 |
| Agnes Morrogh-Bernard, 1842-1932 : foundress of Foxford Woollen Mills | Joyce, Bernie | Monograph or Collective Volume | Foxford I.R.D. | 1992 |
| Agnes Morrogh-Bernard: Foundress of Foxford Woollen Mills | Molloy, Margaret | Monograph or Collective Volume | Mercier Press | 2014 |
| All Hallows College and Stillorgan | Sobolewski, Peter | Article in Journal | | 2018 |
| An admonition to the nobility and people of England and Ireland, concerning the present warres ... | Allen, William, cardinal, 1532-1594 | Monograph or Collective Volume | | 1588 |
| An atlas for Celtic studies : archaeology and names in ancient Europe and early medieval Ireland, Britain, and Brittany | Karl, RaimundKoch, John T.Minard, AntoneÓ Faoláin, Simon | Monograph or Collective Volume | Oxbow Books | 2007 |
| An dá shruth : the two currents | Breathnach, Riobárd | Monograph or Collective Volume | Glún na hAiséirghe | 1943 |
| An immigrant bishop : John England's adaptation of Irish Catholicism to American Republicanism | Carey, Patrick W. | Monograph or Collective Volume | Catholic University of America Press | 2022 |
| An Irishman in France : John Banim | Escarbelt, Bernard | Article in Book | | 1991 |
| An Píolóta Cósta as an Tamhnaigh, Cill Chartha | Mac Giolla Easbuic, Mícheál | Article in Journal | | 2017 |
| Angelica : the portrait of an eighteenth-century artist. | Hartcup, Adeline | Monograph or Collective Volume | | 1954 |
| Animal palaeopathology in prehistoric and historic Ireland : a review of the evidence | Murphy, Eileen M. | Article in Book | | 2005 |
| Annales de Monte Fernandi (Annals of Multifernan) | | Monograph or Collective Volume | | 1842 |
| Annales de Monte Fernandi : annals of Multifernan, A.D. 45-1274 | | Article in Book | | 1842 |
| Annales Hiberniae | Grace, James | Monograph or Collective Volume | Irish Archaeological Society | 1842 |
| Anzacs and Ireland | Kildea, Jeff | Monograph or Collective Volume | Cork University Press | 2007 |
| Appendices : Presidents of the Law Society of Ireland, 1842-2001; auditors of the Solicitors' Apprentices Debating Society of Ireland, 1884-2001, solicitors admitted to the Roll of Solicitors of the Courts of Justice, 1952-2001, select chronology 1607-2002 | Anonymous | Article in Book | | 2002 |
| Arte, paesaggi e giardini nel viaggio in Italia di Lord e Lady Berehaven | Boggi, Flavio | Article in Book | EDIFIR – Edizioni Firenze | 2018 |
| Arthur O'Leary and Arthur Sullivan : musical journeys from Kerry to the heart of Victorian England | Fitzsimons, Bob | Monograph or Collective Volume | Doghouse | 2008 |
| Aspects of the historical geography of the Drogheda estate in Co. Kildare, c.1732-1842 | Burke, Mary | Thesis | | 1991 |
| Ballykilmurray Race Course and Golf Club | Dalton, Michael | Article in Book | | 2015 |
| Barefoot and pregnant? : female orphans who emigrated from Irish workhouses to Australia, 1848-50 | McClaughlin, Trevor | Article in Journal | | 1987 |
| Baroness Pauline Procházka, 1843-1930. A Kilkenny watercolourist | Kirwan, John | Article in Journal | | 2009 |
| Barrow Starch Works 1842-1919, Tinnahinch | Joyce, John | Article in Journal | | 2007 |
| Bernardo O'Higgins : liberator of Chile | | Article in Journal | | 1911 |
| Bernardo O'Higgins : The Rebel Son of a Viceroy | Sepúlveda, Alfredo | Article in Journal | | 2006 |
| Bernardo O'Higgins: rebel son of an Irish viceroy | Sepulveda, Alfredo | Article in Journal | | 2008 |
| Beyond religious discourse : sermons, preaching and evangelical Protestants in nineteenth-century Irish society | Dickson, J. N. Ian | Monograph or Collective Volume | Paternoster | 2007 |
| Beyond the Empire : an Irish mantle and cloak | Heckett, Elizabeth Wincott | Article in Book | | 2001 |
| Bibliography of Young Ireland | | Article in Book | | 1945 |
| Biographia Britannica Literaria; or Biography of Literary Characters of Great Britain and Ireland, arranged in chronological order. 2 vols. | Wright, Thomas, 1810-1877 | Monograph or Collective Volume | | 1842 |
| Bishop Edward Thomas O'Dwyer and the course of Irish politics, 1870-1917 | O'Callaghan, Edward | Thesis | | 1976 |
| Bishop Edward Thomas O'Dwyer and the fall of Parnell | O'Callaghan, Edward P. | Article in Journal | | 1978 |
| Bishop Edward Thomas O'Dwyer of Limerick, 1842-1917 | Morrissey, Thomas J. | Monograph or Collective Volume | Four Courts | 2003 |
| Bishop Hoare and politics | Mulryan, Maureen | Article in Journal | | 2007 |
| Bishop John Dubois : 1825-1842 | Fratini, Mary ElizabethO'Hurley-Pitts, Michael | Article in Book | | 1999 |
| Bishop John England | MacCarron, Patrick | Article in Journal | | 2013 |
| Bishop John England (1786-1842) and antebellum southern slavery | Regan, Joe | Article in Book | | 2015 |
| Bishop John England of Charleston : catholic spokesman and southern intellectual, 1820-1842 | Saunders, R. | Article in Journal | | 1993 |
| Books signed by Pádraic Mac Piarais and Éamon de Valera and others | Ó Muirí, Réámonn | Article in Journal | | 2011 |
| Breakfast shelter petition 1906 | Anonymous | Article in Journal | | 2010 |
| Bringing the heavens down to earth : Agnes Mary Clerke (1842-1907) | Brück, Mary Teresa | Article in Book | | 1997 |
| British evangelical identities past and present, vol. 1 : Aspects of the history and sociology of evangelicalism in Britain and Ireland | | Monograph or Collective Volume | Paternoster | 2008 |
| Building opposition: the Mant controversy and the Church of Ireland in early Victorian Belfast | Farrell, Sean | Article in Journal | | 2014 |
| Caesar Otway's Tour of Ireland 1842- his visit to Schull | Otway, Caesar | Article in Journal | | 2003 |
| Cappawhite and Doon | Fitzgerald, Seamus | Monograph or Collective Volume | Salesian P. | 1983 |
| Captain Laurence O'Brien 1842-1923 | Oswald, Charles F. | Article in Journal | | 1924 |
| Caring for Japanese arts at the Chester Beatty library: my half-century in Dublin | Ushioda, Yoshiko | Monograph or Collective Volume | Dalkey Archive | 2018 |
| Carlow county surveyors [1834-1942] | O'Donoghue, Brendan | Article in Journal | | 2009 |
| Carlow in 1788 and 1842 | Anonymous | Article in Journal | | 1948 |
| Cartography and culture : achievements of the Irish Ordnance scheme, 1824-1842 | Smith, Gillian Mary | Thesis | | 2002 |
| Casey. An important Irish-Argentine family | MacLoughlin, Guillermo | Article in Journal | | 1993 |
| Castledockrell church 1842-1992 | Anonymous | Monograph or Collective Volume | The church | 1992 |
| Catholic clergy and religious practice in Ennis 1651-1842 | Ó Dálaigh, Brian | Article in Journal | | 2002 |
| 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 |
| Ceannt, Devoy, O'Rahilly and the military plan | O'Donoghue, Florence | Article in Book | | 1967 |
| Celtic from the west : alternative perspectives from archaeology, genetics, language and literature | | Monograph or Collective Volume | Oxbow | 2010 |
| Centenary of All Hallows College | O'Donnell, Thomas J. | Article in Journal | | 1942 |
| Centenary of William Maginn 1794-1842 | MacCarthy, B. G. | Article in Journal | | 1943 |
| Charleston's bishop John England and American slavery | Kelly, Joseph | Article in Journal | | 2001 |
| Church of St Peter and Paul Balbriggan, 1842-1992 | Walsh, Jim | Monograph or Collective Volume | Balbriggan Historical and Cultural Society | 1992 |
| Churches of Christ in the British Isles, 1842-1972 : a historical sketch | Thompson, David Michael | Article in Journal | | 1973 |
| Civilizing Ireland : Ordnance Survey 1824-1842 : ethnography, cartography, translation | Ó Cadhla, Stiofán | Monograph or Collective Volume | Irish Academic Press | 2007 |
| Claddagh cemetery book, 1843-1881 | Anonymous | Article in Book | | 1991 |
| Clare sketch book, 1842 | Thackeray, William | Article in Book | | 1998 |
| Classify, confine, discipline and punish - the Roscrea Union: a microgeography of the workhouse system during the Famine | Smyth, W. J. (William John), 1944- | Article in Book | | 2012 |
| Clonmel corporation, 1842-90: a municipal study | O'Donnell, Seán | Thesis | | 1996 |
| Clonmel Mechanics Institute | Ahern, Michael | Article in Journal | | 1991 |
| Coláiste Deuglán in Aird Mhór | Lincoln, Siobhán | Article in Journal | | 2005 |
| Colonel Burnaby | O'Brien, Eamon | Article in Journal | | 1992 |
| Companions in astronomy Margaret Lindsay Higgins and Agnes Mary Clerke | Brück, Mary Teresa | Article in Journal | | 1991 |
| Constructing the Western railroad : the Irish dimension | O'Day, Edward J. | Article in Journal | | 1983 |
| Correspondence between Bishop O'Dwyer and Bishop Foley on the Dublin Rising, 1916-17 | O'Callaghan, Edward P. | Article in Journal | | 1978 |
| Corrstown : a coastal community. Excavations of a Bronze Age village in Northern Ireland | | Monograph or Collective Volume | Oxbow | 2012 |
| County Monaghan immigrants in the Consett area of County Durham, England, 1842-1855 | Duffy, Godfrey F. | Article in Journal | | 1997 |
| County Wexford and Savannah, Georgia, 1848-1860 : a compilation of records and articles of County Wexford emigrants to Savannah | Kehoe, Lory | Monograph or Collective Volume | The author | 2013? |
| Creators of mathematics : the Irish connection | | Monograph or Collective Volume | University College Dublin Press | 2000 |
| Crew and passenger list of British Brig. 'Britannia' out of Westport for Quebec, April 1842 - John Blackaller Master | | Article in Journal | | 2001 |
| Crowds and political violence in early modern Ireland: Galway and the 1641 depositions | Walter, John | Article in Journal | | 2021 |
| Daniel Murphy c.1842-1924. Builder, Market Street, Bandon | Canniffe, Pat | Article in Journal | | 2019 |
| Daniel O'Connell's lord mayoralty, 1841-42 | Fitzpatrick, Áine | Article in Journal | | 1991 |
| Dash and daring : imperial violence and Irish ambiguity | McMahon, Timothy G. | Article in Book | | 2008 |
| Dead men talk | Mara, Sandra | Monograph or Collective Volume | Poolbeg | 2009 |
| Declaring independence : America 1776, Ireland 1919 (2019 Ernie O'Malley lecture) | Mulhall, Daniel | Article in Journal | | 2021 |
| Defying the law of the land : agrarian radicals in Irish history | | Monograph or Collective Volume | History Press | 2013 |
| Denis B. Cashman : the Fenian years | McCarthy, Pat | Article in Journal | | 2008 |
| Designed for enjoyment... the story of Palmerston Park, one of Dublin's lesser-known recreational spaces | Ledbetter, Gordon | Article in Journal | | 2012 |
| Diarmaid Ó Coileáin: Eolaí, Fínín agus taiscealaí uardha | Ó hÉaluighthe, Diarmuid | Article in Journal | | 1949 |
| Diary of a Land League activist : life of Henry F. O'Mahony, US Civil War veteran and Irish Land League activist | Quirke, Henry F. | Article in Journal | | 2008 |
| Diet and health in past animal populations : current research and future directions | | Monograph or Collective Volume | Oxbow Books | 2005 |
| Dietary of Enniscorthy workhouse, 1842-1847 | Anonymous | Article in Journal | | 1972 |
| Distress in Manchester : evidence of the state of the labouring classes in 1840-42 | Adshead, Joseph | Monograph or Collective Volume | Irish University Press | 1971 |
| Divine right? : the Parnell split in Meath | Lawlor, David | Monograph or Collective Volume | Cork University Press | 2007 |
| Don Bernardo O'Higgins - a centenary | O'Dwyer, George F. | Article in Journal | | 1918 |
| Dr Lever at Portstewart | Rodgers, Bill | Article in Book | | 1991 |
| Dublin 1000 : discovery and excavation in Dublin, 1842-1981 | Anonymous | Monograph or Collective Volume | National Museum of Ireland | 1988 |
| Dublin Diocesan Archives : Hamilton papers (9) | Purcell, Mary | Article in Journal | | 1998 |
| Dul chun cinn na Gaeilge i nDún na nGall faoin bhliain 1916 | Mac Congáil, Nollaig | Article in Book | | 2017 |
| Dunmanus Castle | Hawke, John | Article in Journal | | 1999 |
| Early letters of John Farley (1861-1864) | McConville, Kieran
| Article in Journal | | 2013 |
| Edward Thomas O'Dwyer | Rushe, John | Article in Journal | | 1981 |
| Ego, Sight and Insight in Convict Fiction by Henry Savery and John Boyle O'Reilly | Bennett, Bruce | Article in Journal | | 2000 |
| El Patronato en Chile de Carrera a O’Higgins (1812-1824) | Enríquez, Lucrecia | Article in Journal | | 2008 |
| Endeavour of a Liberal Viceroy: Richard, Marquess Wellesley in Ireland, 1821-1828 | McGuckian, Sile | Thesis | | 2016 |
| English Academy, Kilkenny | Law, Edward J. | Article in Journal | | 2010 |
| Everyday life in Viking-age towns : social approaches to towns in England and Ireland, c. 800-1100 | | Monograph or Collective Volume | Oxbow Books | 2013 |
| Extracts - New Zealand | Oliver, John | Article in Journal | | 1984 |
| F.B. Behr's development of the Lartigue monorail : from country crawler to electric express | Tucker, David Gordon | Article in Journal | | 1985 |
| Fabricating history, or John Banim refights the Boyne | Friedman, Bernard | Article in Journal | | 1982 |
| Famine memorial sites in County Cork | Crowley, John | Article in Book | | 2012 |
| Far off Fredericksburg Virginia. Lieut. John F. Ferris 19th Mass. Vols. C. Div. Smuldgeon Drumsurn | Higgins, M.A. | Article in Journal | | 2004 |
| Father Michael Muldoon | Clarke, Mary Whatley | Article in Journal | | 1971 |
| Father William Mason Walsh and Governor D'Arcy 1871-6 | Walsh, Edward | Article in Journal | | 2006 |
| Fenian diary: Denis B. Cashman on board the Hougoumont: with additional poems by Cashman, John Boyle O'Reilly, John Flood, and others. | Cashman, Denis B.Flood, JohnO'Reilly, John Boyle. | Monograph or Collective Volume | Wolfhound Press | 2001 |
| Fíníní Mheiriceá agus an Ghaeilge | Uí Fhlannagáin, Fionnuala | Monograph or Collective Volume | Coiscéim | 2008 |
| Foundation stone of Eskylane meeting-house (1760?) laid in 1842 | Dunlop, Eull | Article in Journal | | 1992 |
| Fr. Edward Thomas O'Dwyer and the general election of 1874 | O'Callaghan, Edward P. | Article in Journal | | 1979 |
| Franz Tieze (1842-1932) and the re-invention of history on glass | Francis, Peter | Article in Journal | | 1994 |
| Franz Tieze 1842-1932 : a Bohemian glass-engraver in Dublin | Boydell, Mary | Article in Journal | | 1992 |
| From "castle" bishop to "moral leader"? Edward O'Dwyer and Irish nationalism, 1914-7 | De Wiel, Jérôme aan | Article in Journal | | 2000 |
| From the files of the DIB... Originator of the 'New Departure' | McGee, Owen | Article in Journal | | 2008 |
| From workhouse to hospital : Newtownards 1842-1992 | Anonymous | Monograph or Collective Volume | Ards Hospital | 1992 |
| Frozen blood : serial and psycho killers in Ireland | Sheridan, Michael | Monograph or Collective Volume | Mentor Press | 2003 |
| Gathering ideas for an Irish garden : lord and lady Berehaven’s Italian tour of 1842–1843
| Boggi, Flavio | Article in Journal | | 2019 |
| Gathering ideas for an Irish garden: Lord and Lady Berehaven’s Italian tour of 1842–1843 | Boggi, Flavio | Article in Journal | | 2020 |
| Gathering to his name : the story of the Open Brethren in Britain and Ireland | Grass, Tim | Monograph or Collective Volume | Paternoster | 2006 |
| General John Sigismund Maguire and the Kerry connection | Faulkner, Anselm | Article in Journal | | 1982 |
| George Kennedy: King's County Attorney and 'a rare man of a different generation' | Caldicott, David | Article in Journal | | 2015 |
| Gertrude Clements' Journal of a Visit to Maam Valley in 1880 | Clesham, Brigid | Article in Journal | | 2015 |
| Ghosting the Llangollen Ladies : Female intimacies, ascendancy exiles and the Anglo-Irish novel | Crowell, Ellen | Article in Journal | | 2004 |
| Gone for a soldier : the story of a Dublin boy | Clarke, Howard R. | Article in Journal | | 2015 |
| Good Evans, bad Grace. Evans, Grace and Whelan, philanthropist, forger and murderer | Law, Edward J. | Article in Journal | | 2010 |
| Governors, gaolers and guards : the Irish soldiers at Moreton Bay, 1824-1842 | Harrison, Jennifer | Article in Book | | 1995 |
| Grief, grievance and grandeur : An eighteenth-century mausoleum in Mainham, Co. Kildare | Gordon, Mark | Article in Book | | 2008 |
| Groomsport parish church, 1842-1992 : a shorth history of the parish and its people in commemorationof 150 years of witness to the work of the Lord Jesus Christ in a small Ulster community | Mowat, Raymond B. | Monograph or Collective Volume | [Groomsport parish] | 1992 |
| Gweedore Hotel Visitors' books, 1842-74 | Brennan, Niamh | Article in Journal | | 2022 |
| Henry Denmead and the printing of Alexander's 'Glanmire' | Dickson, DavidPollard, Mary | Article in Journal | | 1973 |
| Heroes and villains : forgotten Irish stories | Mulcahy, Siobhán | Monograph or Collective Volume | Chomsky | 2004 |
| Homicides and attempted murders in county Clare 1842-1846 | Coffey, Michael | Article in Journal | | 2001 |
| How not to start a mission? : Andrew Boylan (1842-1910) and the Philippines | McConvery, Brendan | Article in Book | | 2015 |
| Hugh Charles Horan of Galway and Mother Mary MacKillop | Fennessy, Ignatius | Article in Journal | | 1999 |
| Identities in a modern world | Smith, Sherry L. | Article in Journal | | 2003 |
| If walls could talk : great Irish castles tell their stories | Connolly, Robert E. | Monograph or Collective Volume | Mentor Press | 2004 |
| In centenary pursuit of Dr David Buick (1842-1907) of Sandy Bay, Larne : twenty years after the publication of 'Buick's Ahoghill' in 1987, glimpses of its possible compiler (1901) and other East Antrim Presbyterian connections | Dunlop, Eull | Article in Journal | | 2007 |
| In search of William Adams - seafarer, scholar, historian and storyteller | McGrattan, Hugh | Article in Journal | | 2006 |
| Index to birth, marriage, death and funeral notices in the Sydney Herald 1831-1842 | Johnson, Keith A.Sainty, Malcolm R. | Monograph or Collective Volume | Privately printed | 1972 |
| Influences in the early development of J.N. Darby | Stunt, Timothy C. F. | Article in Book | | 2004 |
| Intellectuals and the ideological hijacking of Fine Gael, 1932 - 1938 | Broderick, Eugene | Monograph or Collective Volume | Cambridge Scholars | 2010 |
| Introduction | Farquharson, DanineFarrell, Sean | Article in Book | | 2008 |
| Introduction | Gribben, CrawfordStunt, Timothy C. F. | Article in Book | | 2004 |
| Ireland : contested ideas of nationalism and history | Kearney, Hugh F. | Monograph or Collective Volume | Cork University Press | 2007 |
| Ireland : history of a nation | Ross, David | Monograph or Collective Volume | Geddes & Grosset | 2005 |
| Ireland : the challenge of conflict and change | Finnegan, Richard B. | Monograph or Collective Volume | Westview Press | 1983 |
| Ireland and Europe in 1825 : situating the Banims | Kilfeather, Siobhán | Article in Book | | 2006 |
| Ireland's exiled children : America and the Easter Rising | Schmuhl, Robert | Monograph or Collective Volume | Oxford University Press | 2016 |
| Irelands of the mind : memory and identity in modern Irish culture | | Monograph or Collective Volume | Cambridge Scholars | 2008 |
| Ireland’s ambassador to the United Nations Geraldine Byrne Nason in conversation with Ted Smyth | Smyth, Ted | Article in Journal | | 2021 |
| Irish Baptists : Home Mission and Denominational Home Rule in the Nineteenth and Twentieth Centuries | Dowling, Maurice | Article in Book | | 2007 |
| Irish church metalwork of the romanesque period from the Day collection | Murray, Griffin | Article in Journal | | 2014 |
| Irish crimes of passion : killing for love, lust and desire | Collins, Liam | Monograph or Collective Volume | Mentor Press | 2005 |
| Irish GDP between the Famine and the First World War : estimates based on a dynamic factor model | Andersson, Fredrik N. G.Lennard, Jason | Article in Journal | | 2019 |
| Irish immigration and settlement in a Catholic city : Quebec, 1842-61 | Grace, Robert J. | Article in Journal | | 2003 |
| Irish Jewish studies at the border : precarious solidarity from Ulysses to Nine Folds Make a Paper Swan | Bender, Abby | Article in Journal | | 2021 |
| Irish rebel : John Devoy and America's fight for Ireland's freedom | Golway, Terry | Monograph or Collective Volume | St. Martin's Press | 1998 |
| Irish soldiers of the 1st Troop, 1st Brigade, Bengal Horse Artillery, who died during the insurrection at and retreat from Kabul, in the months of November and December 1841 and January 1842 | Rogers, Leslie | Article in Journal | | 2014 |
| Irish whales and whaling | Fairley, James S. | Monograph or Collective Volume | Blackstaff Press | 1981 |
| J.G. Farrell in his own words : selected letters and diaries | Farrell, J.G. (James Gordon), 1935-1979 | Monograph or Collective Volume | Cork University Press | 2009 |
| James Berry and the Field of Annagh : changing perspectives on the archaeological complex at Kildangan, C. Mayo | Walsh, Brendan | Article in Journal | | 2009 |
| James Browne (b.1842) : his life and episcopal ministry : Bishop of Ferns 1884-1917 | Cosgrave, NicholasCosgrave, William | Monograph or Collective Volume | [The authors] | 2010 |
| James J. O'Kelly - forgotten patriot | Jones, Pauline | Article in Journal | | 2000 |
| Jeremiah White | Williams, Tom | Article in Journal | | 2001 |
| John Banim in Windgap cottage | Lanigan, J. | Article in Journal | | 1950 |
| John Devoy | Ó Lúing, Seán | Monograph or Collective Volume | Cló Morainn | 1961 |
| John Devoy and Jeremiah O'Donovan Rossa | Williams, T. Desmond | Article in Book | | 1968 |
| John Devoy and the Easter rising | Golway, Terry | Article in Book | | 2016 |
| John Devoy's Catalpa expedition | Devoy, John, 1842-1928 | Monograph or Collective Volume | New York University Press | 2006 |
| John Devoy's correspondence with Mrs. Florence D. White (Annie Kickham Cleary) concerning his biography of C.J. Kickham in 1927 | Nolan, William | Article in Journal | | 2006 |
| John Dooley's civil war : an Irish American's journey in the First Virginia infantry regiment | | Monograph or Collective Volume | University of Tennessee Press | 2012 |
| John England of Charleston - Carlow's greatest Corkman | Lynch, Martin | Article in Journal | | 1999 |
| John Hogan's busts for Bantry, and Viscount and Lady Berehaven's tour of Rome in 1842-43 | Boggi, Flavio | Article in Journal | | 2011 |
| John Lynn - architect / contractor / engineer | Wheeler, Gordon | Article in Journal | | 1999 |
| John Mitchel, Ulster and Irish nationality (1842-48) | Buckley, Mary | Article in Journal | | 1976 |
| John O'Donovan and the Ordnance Survey | Smith, Gilian | Article in Book | | 2001 |
| Joyce family values : treason, nationality and the case of ‘Lord Haw-Haw’s’ Irish cousin | Douglas, R. M. | Article in Journal | | 2014 |
| L'écriture de l'histoire chez la Jeune Irlande : quelle histoire pour une nation du consensus et de la réconciliation? | Saison, Ghislaine | Article in Book | | 2001 |
| L'histoire et les 'Penny Journals': réécriture du passé et construction identitaire | Dubois, Claire | Article in Journal | | 2009 |
| Landscape representation : place and identity in nineteenth-century Ordnance Survey maps of Ireland | Smith, Angèle | Article in Book | Pluto Press | 2003 |
| Laois : an environmental history | Feehan, John | Monograph or Collective Volume | Ballykilcarvan Press | 1983 |
| Laying the foundation stone of the New Bridge, Coleraine | | Article in Journal | | 2013 |
| Leisure in Charles Lever’s Jack Hinton (1842) and the continuities of Irish fiction | Murphy, James H. | Article in Book | | 2015 |
| Letterkenny past and present | Fleming, Sam | Monograph or Collective Volume | The author | 1982 |
| Life of the Marquess Wellesley | Malleson, G. B. | Monograph or Collective Volume | | 1888 |
| Limerick cathedral registers 1826 to 1842: I|Limerick cathedral registers 1826 to 1842: II|Limerick cathedral registers 1826 to 1842: III|Limerick cathedral registers 1826 to 1842: IV | Manning, Peter FIGRS | Article in Journal | | 2019 |
| Lines of resistance : The O'Kelly brothers in the Sudan | O'Sullivan, Niamh | Article in Journal | | 1998 |
| Lord Shannon's letters to his son | Boyle, Richard, 2nd earl of Shannon, 1728-1807Hewitt, Ester | Monograph or Collective Volume | Public Record Office of Northern Ireland | 1983 |
| Lough Cutra Castle, Co. Galway | Shull, Amanda | Article in Journal | | 2011 |
| Louisa Beaufort's diary of her travels in south-west Munster and Leinster in 1842 and 1843. Presented by Magda Loeber and Rolf Loeber | Beaufort, Louisa | Article in Journal | | 2015 |
| Maggie's breakfast | Walsh, Gabriel | Monograph or Collective Volume | Poolbeg | 2012 |
| Major-General Sir Ralph Ouseley (1772-1842), of the Portuguese service, and his family tomb | Ferguson, Kenneth | Article in Journal | | 2019 |
| Mallow Work House Altar | Crowley, Seamus | Article in Journal | | 2015 |
| Mapping discourse: the Ordnance Survey of Ireland, 1824-1842: ethnography, typography, translation | Ó Cadhla, Stiofán M. | Thesis | | 2002 |
| Martin's Belfast directory for 1841-42 | Martin, Matthew | Monograph or Collective Volume | Mid-Antrim Historical Group | 1992 |
| Maurice Davin (1842-1927) : first president of the G.A.A. | Ó Riain, Seamus | Monograph or Collective Volume | Geography Publications | 1994 |
| May you live in interesting times | O'Clery, Conor | Monograph or Collective Volume | Poolbeg | 2008 |
| Memoir of the Life of the late Rev. P. Roe ... With copious extracts from his correspondence, diaries, and other remains | Madden, Samuel | Monograph or Collective Volume | | 1842 |
| Memoirs of Sir Lowry Cole | Cole, Galbraith Lowry, Sir, 1772-1842Cole, Maud LowryGwynn, Stephen Lucius, 1864-1950 | Monograph or Collective Volume | Macmillan | 1934 |
| Memories of Knockrabo | Slater, Pamela | Article in Journal | | 2011 |
| Memory, history, story : between poetics and ethics | Kearney, Richard | Article in Book | | 2008 |
| Mgr O'Riordan, Bishop O'Dwyer and the shaping of new relations between nationalist Ireland and the Vatican during World War One | De Wiel, Jérôme aan | Article in Journal | | 1999 |
| Michael Cusack's prairie fire and athletics in Thurles and Moycarkey-Borris | Tobin, J,M, | Article in Journal | | 2017 |
| Michael Davitt and America | Golway, TerryMeehan, Rosa | Monograph or Collective Volume | New York Michael Davitt Commemoration Committee | 1996 |
| Military welfare history : what is it and why should it be considered? | Huddie, Paul ; Carney, Amy | Article in Journal | | 2023 |
| Millennialism and apocalypticism in recent historical scholarship | Shantz, Douglas H. | Article in Book | | 2004 |
| Millennialism and the interpretation of prophecy in Ulster Presbyterianism, 1790-1850 | Holmes, Andrew R., 1977- | Article in Book | | 2004 |
| Mineral rail roads, granite quarrying and the piers at Newcastle, Co. Down, 1800-1850 | Hussey, John | Article in Journal | | 2017 |
| Missionaries from All Hallows (Dublin) to the United States, 1842-65 | Purcell, Richard J. | Article in Journal | | 1942 |
| Missionary priests of All Hallows College, Dublin, from the diocese of Armagh 1842-75 | Murray, Patrick | Article in Journal | | 1955 |
| Monsignor O'Riordan, Bishop O'Dwyer and the shaping of new relations between nationalist Ireland and the Vatican during World War I | De Wiel, Jérôme aan | Article in Journal | | 1999 |
| Mr Young and the rabbits of Ballyteigue | McDonald, Tom | Article in Journal | | 2010 |
| Muiris Ó Daimhín (1842-1927) cuid a dó | Ó Nialláin, Tomás | Article in Journal | | 2008 |
| Muiris Ó Daimhín (1842-1927) cuid a dó | Ó Nialláin, Tomás | Article in Journal | | 2008 |
| Muiris Ó Daimhín (1842-1927): na blianta luatha | Ó Nialláin, Tomás | Article in Journal | | 2007 |
| Mullingar in mid-century : famine, execution and an attempted rising by the people | O'Brien, Seamus | Article in Book | | 2002 |
| Murder at Shandy Hall : the Coachford poisoning case | Sheridan, Michael | Monograph or Collective Volume | Poolbeg | 2010 |
| Music and society in Cork, 1700-1900 | O'Regan, Susan | Monograph or Collective Volume | Cork University | 2018 |
| Myth and history : ethnicity and politics in the first millennium British Isles | Yeates, Stephen | Monograph or Collective Volume | Oxbow Books | 2012 |
| Naas Work-House: the warehousing of the desparate and destitute poor | Campbell, Fran | Article in Journal | | 2015 |
| National politics and the peacekeeping role : Ireland and the United Nations operations in the Congo | MacQueen, Norman | Article in Journal | | 1988 |
| Nationalism and the public sphere: the Nation newspaper and the movement for the repeal of the Union | Kearns, Gerry | Article in Book | | 2012 |
| Nationality in the Irish infantry regiments in the First World War | Perry, Nicholas | Article in Journal | | 1994 |
| Nelson's Surgeon: William Beatty, Naval Medicine, and the Battle of Trafalgar | Brockliss, LaurenceCardwell, JohnMoss, Michael | Monograph or Collective Volume | Oxford University Press | 2005 |
| Nicholas O'Toole of Hacketstown | Shannon, James P. | Article in Journal | | 2013 |
| Notes and Documents. The disputed painting: the Garvey family, the Catholic Church and a feud over an Eakins | McConville, Kieran | Article in Journal | | 2014 |
| On the necessity of violence in the Irish revolution | Hart, Peter, 1963-2010 | Article in Book | | 2008 |
| Open dissent : an uncompromising view of the financial crisis | Soden, Mike | Monograph or Collective Volume | Blackhall Press | 2011 |
| Osborne Reynolds, 1842-1912 | Hodnett, Frank | Article in Book | | 2000 |
| Our men in Mauritius: Lowry Cole and Pope Hennessy | Morgan, Hiram | Article in Journal | | 2015 |
| Paisanos : The forgotten Irish who changed the face of Latin America | Fanning, Tim | Monograph or Collective Volume | Gill Books | 2016 |
| Paisley : from demagogue to democrat? | Moloney, Ed, 1948- | Monograph or Collective Volume | Poolbeg | 2008 |
| Parish missions and preaching the word of God | McConvery, Brendan | Article in Book | | 2013 |
| Patrick Pearse in King's Bench | Kenny, Colum | Article in Journal | | 2016 |
| Pattern and purpose in insular art | | Monograph or Collective Volume | Oxbow Books | 2001 |
| Pentecostal origins : early Pentecostalism in Ireland in the context of the British Isles | Robinson, James | Monograph or Collective Volume | Paternoster | 2005 |
| Plan of Tralee Town, 1842 | | Monograph or Collective Volume | | 1989 |
| Portraying the Irish Palatines : an example of alterity discourse | Huber, Werner | Article in Journal | | 1996 |
| Pro-Consul and Tribune. Wellesley and O'Connell. Historic Portraits | MacCullagh, William Torrens | Monograph or Collective Volume | | 1880 |
| Prophecy, miracles, angels and heavenly light? : the eschatology, pneumatology and missiology of Adomnán's Life of Columba | Bruce, James | Monograph or Collective Volume | Paternoster | 2004 |
| Public support of Catholic education in New York, 1825-42, some new aspects | Browne, Henry J. | Article in Journal | | 1953 |
| Quae sequuntur descripta sunt e chronicis manuscriptis Henrici de Marleburgh (1372-1421) | Henry, of Marlborough | Article in Book | | 1586 |
| Recent writing on Irish nationalism | Fitzpatrick, David | Article in Journal | | 1982 |
| Recollections of an Irish rebel | Devoy, John
| Monograph or Collective Volume | Irish University Press | 1969 |
| Redmond : the Parnellite | Meleady, Dermot, 1949- | Monograph or Collective Volume | Cork University Press | 2008 |
| Religion and the Irish Boys' Brigade, 1888-1914 | Power, Brendan | Article in Book | | 2018 |
| Remembering the old public house and grocery in Kilfane | Dyer, John S. | Article in Journal | | 2009 |
| Repeal reading rooms | Barnes, Margaret | Article in Journal | | 1965 |
| Resistance to the collection of Rates under the Poor Law, 1842–44 | Cousins, Mel | Article in Book | | 2019 |
| Respectable Reading in the Late Nineties : H.D. Traill's Literature | Kijinski, John L. | Article in Journal | | 2003 |
| Rethinking Celtic art | | Monograph or Collective Volume | Oxbow | 2008 |
| Return of all the record publications relating to England and Wales published by the late record and state-paper commissioners, or under the Master of the Rolls, up to the end of the year 1866, including the Irish and Scotch records | Anonymous | Monograph or Collective Volume | | 1867 |
| Richard Colley Wellesley : a viceregal champion of Catholic emancipation | Grant, Hugh | Article in Journal | | 1955 |
| Richard Colley Wellesley : an Anglo-Irish advocate of Catholic emancipation | Demichele, M. D. | Article in Journal | | 1970 |
| Richard Wellesley, Marquis Wellesley, 1760-1842 | Brynn, Edward P. | Thesis | | 1977 |
| Robert Clive's Irish peerage and estate 1761-1842 | Rogan, John | Article in Journal | | 2003 |
| Robert Clive's Irish peerage and estate, 1761-1842 | Logan, John | Article in Journal | | 2003 |
| Robert Hart and Gustav Detring during the Boxer Rebellion | Van de Ven, Hans | Article in Journal | | 2006 |
| Robert Waller : a Kabul hostage of 1842 | Waller, Hardress | Article in Journal | | 1992 |
| Roddy Connolly and the struggle for socialism in Ireland | McGuire, Charlie | Monograph or Collective Volume | Cork University Press | 2007 |
| Roscrea and a centenary : Convent of the Sacred Heart 1842-1942 | Brown, Stephen J. | Article in Journal | | 1942 |
| Roscrea Poor Law Union : its administration 150 years ago | Deegan, Thomas | Article in Journal | | 1992 |
| Rowing, boatracing and watermanship on the River Bann , 1842-1880 | Anderson, W. Stein | Article in Journal | | 2000 |
| Rt. Rev. John England, first bishop of Charleston | Phelan, Thomas P. | Article in Journal | | 1915 |
| Sabotage in the USA! Imperial Germany and Irish-American contacts, 1900-1917 | De Wiel, Jérôme aan | Article in Journal | | 2010 |
| Saint James and Father Tom : a saint and his priest | | Monograph or Collective Volume | Fr. Tom Lawlor Memorial Committee | 2004 |
| Saving the future : how social partnership shaped Ireland's economic success | Hastings, TimSheehan, BrianYeates, Brian | Monograph or Collective Volume | Blackhall Publishing | 2007 |
| Seaghan Mac A' Bháird, 1842-1914 | Mac Pháidín, Micheál | Article in Journal | | 1954 |
| Sean O'Casey and the dialectics of violence | Schrank, Bernice | Article in Book | | 2008 |
| Seanchas, suirbhéireacht agus eitneolaíocht : Seán Ó Donnabháin 1830-42 | Ó Cadhla, Stiofán | Article in Book | | 2013 |
| Seasonal migration between Ireland and England prior to the famine | Harris, Ruth-Ann | Article in Journal | | 1990 |
| Senator George Mitchell on the 1998 Good Friday Agreement in conversation with Miriam Nyhan Grey and Thomas Hill (2018 Irish Institute lecture) | Nyhan Grey, Miriam ; Hill, Thomas | Article in Journal | | 2021 |
| Settlement in the Irish Neolithic : new discoveries at the edge of Europe | Smyth, Jessica | Monograph or Collective Volume | Oxbow books | 2014 |
| Sexing the rising : men, sex, violence, and Easter 1916 | Farquharson, Danine | Article in Book | | 2008 |
| Shadows fixed forever, the daguerreotype and portraiture 1839-42 : associated activities of two photographic pioneers in Belfast and London | McCaughan, Michael | Article in Book | | 1990 |
| Shadows of the gunmen : violence and culture in modern Ireland | | Monograph or Collective Volume | Cork University Press | 2008 |
| Shifting alliances : James J. O'Kelly and the Spanish government | Ramón, Marta | Article in Book | | 2012 |
| Sir George Power - the Kilfane connection with Gilbert and Sullivan | Walsh, Walter | Article in Journal | | 1998 |
| Sites of memory | Crowley, John | Article in Book | | 2012 |
| Soggarth Aroon and Gombeen-Priest : Canon James MacFadden (1842-1917) | Mac Suibhne, Breandàn | Article in Book | | 1998 |
| Some further thoughts on the Irish Wesleys and the Wellesley connection | Gentry, Peter W. | Article in Journal | | 2009 |
| Some ordnance survey letters of Dr. John O'Donovan | | Article in Journal | | 1939 |
| Speech made by the Most Rev. Dr. O'Dwyer on the occasion of the conferring on him of the freedom of the city of Limerick, September 1916 | O'Dwyer, Edward | Article in Journal | | 1942 |
| Sr Katherine Mulquin | Anonymous | Article in Journal | | 1988 |
| St Patrick's Church of Ireland : parish of Donaghmore Upper, 1842-1992 | Caldwell, Alex | Monograph or Collective Volume | [s.n.] | 1992 |
| Stained glass in Enniskillen churches | Rogers, Frank | Article in Journal | | 2004 |
| Stephens, Devoy and Clarke | Comerford, R. V. (Richard Vincent) | Article in Book | | 2016 |
| Stephens, Devoy, Tom Clarke | Ryan, Desmond | Article in Book | | 1960 |
| Students of All Hallows College, Dublin, from the diocese of Kilmore, 1842-1895 | Mitchell, Kilian J. | Article in Journal | | 1965 |
| Tadhg Gaelach Ó Súilleabháin's 'Pious Miscellany': editions of the Munster bestseller of the early nineteenth century | Sharpe, Richard | Article in Journal | | 2014 |
| Tadhg Ó Murchú (1842-1928) | Póirtéir, Cathal | Article in Book | | 2012 |
| Tears of blood | Sheridan, Michael | Monograph or Collective Volume | Mentor Press | 2004 |
| Tennyson at Kilkee and other Munster tours, 1842-1878 | Byrne, Thomas J. | Article in Journal | | 2002 |
| Thackeray in Ireland | Fitzgerald, Brian | Article in Journal | | 1957 |
| The 'Ireland' find (c. 1842) of profile halfpence of John | Dolley, Michael | Article in Journal | | 1966 |
| The 'lost' letters of John O'Donovan | O'Donovan, John | Article in Book | | 2001 |
| The 'Nation' and Giuseppe Mazzini, 1842-48 | Huggins, Michael | Article in Journal | | 2013 |
| The 'Repeal Year' in Ireland : an economic assessment | Read, Charles | Article in Journal | | 2016 |
| The 'Tellicherry' five : the transportation of Michael Dwyer and the Wicklow rebels | Sheedy, Kieran | Monograph or Collective Volume | Woodfield Press | 1997 |
| The administration of Famine relief at Rathkenny, County Cavan | Reilly, Ciarán | Article in Journal | | 2017 |
| The age of Peel and Cobden : a history of the English people, 1841-42 | Halévy, Élie, 1870-1937Watkin, E. I. | Monograph or Collective Volume | Benn | 1947 |
| The attitude of the Roman Catholic Church towards trade unionism in the North of England, 1833-42 | Treble, James H. | Article in Journal | | 1970 |
| The authorship of 'Whitehall' (1827) | Wardle, R. M. | Article in Journal | | 1941 |
| The ballads of 'The Nation' : a study in a popular concept | Kenny, Desmond | Article in Journal | | 1978 |
| The British Isles according to medieval Arabic authors | Dunlop, D. M. | Article in Journal | | 1957 |
| The building society that refused Patrick Pearse (and his mother) | Farmar, Tony | Article in Journal | | 2002 |
| The Burke family of Waterslade House | Stratton-Ryan, Mary | Article in Journal | | 2009 |
| The Cavan workhouse, 1842-1922 | Laragy, Georgina | Article in Book | | 2012 |
| The Celts of the British Isles : from the earliest times to the Viking invasion | Ross, David, 1956- | Monograph or Collective Volume | Geddes & Grosset | 2004 |
| The construction of Dun Laoghaire harbour | Edwards, David | Article in Journal | | 2004 |
| The Cork Freeholder; an eight-day magazine | Ó Casaide, Séamus | Article in Journal | | 1937 |
| The correspondence of John, fourth duke of Bedford | | Monograph or Collective Volume | [s.n.] | 1842 |
| The correspondents of Thomas Andrews | Sharp, Robert | Article in Journal | | 2002 |
| The council books of Naas 1665-1842 | Milne, Kenneth | Article in Journal | | 1967 |
| The demand and supply of priests to the United States from All Hallows College, Ireland, between 1842-1860 | O'Loughlin, Thomas | Article in Journal | | 1983 |
| The Dublin Penny Journal | McEvoy, Michael | Article in Journal | | 2005 |
| The eldest brother : the Marquess Wellesley, the duke of Wellington's eldest brother | Butler, Iris | Monograph or Collective Volume | | 1973 |
| The emergence of a Presbyterian evangelical : a religious and social history of Isaac Nelson's pastorate at First Comber Presbyterian Church, 1838-42 | Ritchie, Daniel | Article in Journal | | 2015 |
| The emergence of a Presbyterian evangelical : a religious and social history of Isaac Nelson's pastorate at First Comber Presbyterian Church, 1838–42 | Ritchie, Daniel | Article in Journal | | 2015 |
| The engraved glass of Franz Tieze | Boydell, Mary | Article in Journal | | 1995 |
| The Fenian Wild Geese : from the last convict ship to the Catalpa rescue | Waters, Ormond D. P. | Monograph or Collective Volume | Catalpa Press | 2011 |
| The fighting Irish : faction fighting as leisure in the writings of William Carleton | O'Rourke, Kevan | Article in Book | | 2015 |
| The first election to the reformed Clonmel Corporation 150 years ago | O'Donnell, Seán | Article in Journal | | 1992 |
| The founders of the Gaelic Athletic Association | Hurley, James | Article in Journal | | 1960 |
| The freedom of the press in Ireland, 1784-1842 | Inglis, B. St J. | Thesis | | 1950 |
| The general armory of England, Scotland, Ireland and Wales : comprising a registry of armorial bearings from the earliest to the present time | Burke, J. B. (John Bernard), SirBurke, John, 1787-1848 | Monograph or Collective Volume | Harrison & Sons | 1884 |
| The Grand Jury maps of county Kilkenny | Lewis, Andrew | Article in Journal | | 2010 |
| The great Irish bank robbery : the inside story of conflict, betrayal and corporate greed in Irish banking | Collins, Liam | Monograph or Collective Volume | Mentor Books | 2007 |
| The greatest of the Fenians : John Devoy and Ireland | Dooley, Terence A. M. | Monograph or Collective Volume | Wolfhound Press | 2003 |
| The Guinnesses : the untold story of Ireland's most successful family | Joyce, Joe, 1947- | Monograph or Collective Volume | Poolbeg | 2009 |
| The Hamilton High Schooll premises : part 6 | Hamilton, Pádraig | Article in Journal | | 2003 |
| The harmonization of the lunar year with the Julian calendar of Anatolius, bishop of Laodicea | Mc Carthy, Daniel P., 1945- | Article in Book | | 2012 |
| The history of medicine in Ireland | Fleetwood, John | Monograph or Collective Volume | Skellig Press | 1983 |
| The IRB : the Irish Republican Brotherhood from the Land League to Sinn Féin | McGee, Owen | Monograph or Collective Volume | Four Courts | 2005 |
| The Irish Friend 1837-1842 : excerpts from the pioneer Quaker newspaper | | Monograph or Collective Volume | Ulster Historical Foundation | 2016 |
| The Irish genealogies as an onomastic source | Ó Muraíle, Nollaig | Article in Journal | | 1992 |
| The Irish in Ireland | Fitzgibbon, Constantine | Monograph or Collective Volume | David & Charles | 1983 |
| The Journal of Thomas Moore. Volume 5. 1836-1842 | | Monograph or Collective Volume | University of Delaware Press|Associated University Presses | 1988 |
| The Kingstown lying-in hospital (1842-1871) | Fleetwood, John | Article in Journal | | 1997 |
| The letters of John O'Donovan in County Fermanagh : dogs, turkeycocks and ganders | Cunningham, John B. 1944- | Article in Journal | | 1992 |
| The Leviathan of Parsonstown | Moore, John | Article in Journal | | 2001 |
| The Limerick School of Art and Design | Tierney, Mark | Article in Journal | | 1996 |
| The Little Big House at Gweedore: inscribing sociality and space in north-west Ireland, 1842-1859 | James, Kevin J. | Article in Journal | | 2012 |
| The liturgical veneration of Irish saints in Switzerland | Hennig, John | Article in Journal | | 1957 |
| The long-term temperature record fro Markree Observatory, County Sligo, from 1842 to 2011 | Hickey, Kieran R.McKeown, MichellePotito, Aaron P. | Article in Journal | | 2012 |
| The Marquess Wellesley, K.G. | Hutton, W. H., Dean of Winchester | Monograph or Collective Volume | | 1893 |
| The Matthews family of Ballygally, Downpatrick | Brown, Beverly | Article in Journal | | 2011 |
| The Memorial to Sir Henry Pottinger in St George's Church, Belfast, and the Duke of Wellington | Ferguson, Kenneth | Article in Journal | | 2020 |
| The Miners' Association of Great Britain and Ireland, 1842-8 : a study in the problem of integration | Taylor, A. J. | Article in Journal | | 1955 |
| The missionary college of All Hallows 1842-1891 | Condon, Kevin | Monograph or Collective Volume | All Hallows College | 1986 |
| The Montgomery orphans: Dundalk workhouse 1842 | Hall, Brendan | Article in Journal | | 2012 |
| The Most Rev. John M. Farley, D.D. | O'Keefe, Liam | Article in Journal | | 1992 |
| The Nation : ideas and politics | Fay, BrianLangtry, Joseph | Article in Book | | 1998 |
| The nature and development of liberal Protestantism in Waterford, 1800-1842 | Heggs, Elizabeth | Thesis | | 2008 |
| The new departure in Irish politics, 1878-9 | Moody, T. W. (Theodore William), 1907-1984 | Article in Book | | 1949 |
| The oriental Irish | Jones, Matthew | Article in Journal | | 2014 |
| The origins of Cillini in Ireland | Donnelly, Colm J.Murphy, Eileen M. | Article in Book | | 2008 |
| The origins of the Barnes Collection, 1912-15 | Bailey, Colin B. | Article in Journal | | 2008 |
| The Peace Egg Book : An Anglo-Irish chapbook connection discovered | Cass, EddiePreston, Michael J.Smith, Paul | Article in Journal | | 2003 |
| The poetry of The Nation, 1842-1848 : a descriptive and critical study with some reference to the influence on the poetic development of W. B. Yeats | Bradley, William | Thesis | | |
| The politics of Irish taxation, 1842-1853 | Kanter, Douglas | Article in Journal | | 2011 |
| The regulation of the emigrant traffic from the United Kingdom, 1842-55 | MacDonagh, Oliver | Article in Journal | | 1954 |
| The rise and fall of the steamship Victoria | Wood, Barbara J. N. | Article in Journal | | 1998 |
| The Rt. Rev. John England, D.D. 1786-1842, "The light of the American hierarchy", first bishop of Charleston, U.S.A.; P.P. of Bandon 1817-20 | Anonymous | Article in Journal | | 2006 |
| The second Viscount Frankfort de Montmorency - a colourful landlord, Farranseer, County Cavan | Saunderson, Billy
| Article in Journal | | 2017 |
| The shaping of modern Ireland | | Monograph or Collective Volume | Routledge & Kegan Paul | 1960 |
| The story of Sadleir's Bank | McCarthy, J. | Article in Journal | | 1955 |
| The story of the Dublin Institute of Technology | Duff, ThomasHegarty, JosephHussey, Matthew | Monograph or Collective Volume | Blackhall Publishing | 2000 |
| The story of the Marine | Kavanagh, John | Article in Journal | | 1988 |
| The Theatre Royal bottle riot of 1822 and the Orange Order in Dublin | O'Reilly, Hugh | Article in Journal | | 2019 |
| The Ulster Literary Theatre and the northern revival | McNulty, Eugene | Monograph or Collective Volume | Cork University Press | 2008 |
| The United Irishmen, their lives and times. 7 vols. | Madden, Richard Robert | Monograph or Collective Volume | J. Madden & Co. | 1842 |
| The veiled woman of Achill : island outrage and a Playboy drama | Byrne, Patricia | Monograph or Collective Volume | Collins | 2012 |
| The voyage of the 'Countess of Arran' | Ó Cochlainn, Rupert S. | Article in Journal | | 1981 |
| The voyage of the Catalpa : a perilious journey and six Irish rebels' escape to freedom | Stevens, Peter | Monograph or Collective Volume | Weidenfeld | 2003 |
| The Westport workhouse | Duffy, Jarlath | Article in Journal | | 2004 |
| The Wexford union workhouse, part 1 | Wickham, Tom | Article in Journal | | 2003 |
| The will of Friar Martin, 1842 | Martin, Thomas | Article in Journal | | 1952 |
| The women writers of 'The Nation' | O'Toole, L. M. | Article in Book | | 1945 |
| The Workhouse opens, Part II. | Wickham, TeresaWickham, Tom | Article in Journal | | 2005 |
| The Works of ... William Magee, Lord Archbishop of Dublin. With a memoir of his life ... 2 vols. | Kenney, A. H. | Monograph or Collective Volume | | 1842 |
| The wreck of the 'William and Mary' | Sweeney, Frank | Article in Journal | | 2019 |
| Thesis abstract : The nature and development of liberal Protestantism in Waterford, 1800–1842 | Heggs, Elizabeth Anne | Article in Journal | | 2009 |
| Thomas A. Cobden, 1794-1842 : an architect in County Carlow | McDonnell, Thomas | Article in Book | | 2008 |
| Thomas MacNevin's copy of 'The Nation' | MacGrath, Kevin | Article in Journal | | 1951 |
| Timely and substantial relief : New York's Cardinal John Farley and the Easter Rising | Feighery, Kate | Article in Book | | 2016 |
| Travels for my country | Breene, Molly, 1919- | Monograph or Collective Volume | Dales | 2006 |
| Tressell : the real story of 'The Ragged Trousered Philanthropists' | Harker, Dave | Monograph or Collective Volume | Zed Books | 2003 |
| Twists of fate : stories behind Irish battles and sieges | McCormack, John | Monograph or Collective Volume | Mentor Press | 2005 |
| Two views of The Mall, Downpatrick, in Down County Museum | Black, Eileen | Article in Journal | | 2004 |
| Tyrone folk quest | | Monograph or Collective Volume | [s.n.] | 1973 |
| Up the poll : great Irish election stories | Coleman, Shane | Monograph or Collective Volume | Mentor Books | 2007 |
| Upholding the commandments and the will of the majority: the Catholic hierarchy, the October 1922 pastoral, and the Irish civil war | Waldron, KieranÓ Corráin, Daithí | Article in Journal | | 2023 |
| UVF : the endgame | Cusack, JimMcDonald, Henry | Monograph or Collective Volume | Poolbeg | 2008 |
| Vida del Capitán General don Bernardo O'Higgins | Vicuna Mackenna, Benjamin | Monograph or Collective Volume | Editorial del Pacífico | 1976 |
| Vienna a hundred years ago | Wilson, T. G. | Article in Journal | | 1942 |
| Viscount Berehaven’s tour of Italy in 1842–3 : collecting 'articles of taste' for Bantry House
| Boggi, Flavio | Article in Journal | | 2017 |
| Viscount Hugh Gough - an 'illustrious Irishman' and controversial British military commander | Walsh, Fionnuala | Article in Journal | | 2018 |
| Voices underfoot: memory, forgetting and oral verbal art | Bourke, Angela | Monograph or Collective Volume | Quinnipiac University | 2016 |
| W. M. Thackeray and the daguerreotype : Ireland in 1842 | Ó Muirithe, Donncha | Article in Journal | | 1998 |
| Wellington : his Irish connections | | Monograph or Collective Volume | Meath Heritage Centre | 1992 |
| Wellington and his brothers | Carver, Michael, Baron Carver | Monograph or Collective Volume | Southampton University Library | 1989 |
| Wexford workhouse in famine times, 1842-1849 | Carty, Eddie | Article in Journal | | 1996 |
| When Thackeray came to town | Thackeray, William Makepeace, 1811-1863 | Article in Journal | | 1992 |
| Whipping the herring | Murray, Peter | Article in Journal | | 2006 |
| Whiteboys, Wellesley and the Brampton Men | Harrison, Jennifer | Article in Book | | 1996 |
| Who was present at the founding of the GAA at Thurles in 1884? | Tobin, J.M. | Article in Journal | | 2015 |
| William Carleton and Caesar Otway : a problem in Irish identity | Edwards, Owen Dudley | Article in Book | | 2015 |
| William Maginn : the Cork correspondent | Latané, David E. | Article in Book | | 2020 |
| William Maginn and Blackwood's Magazine | Wardle, R. M. | Article in Journal | | 1939 |
| William Parker Carrol and the re-establishment of the Irish Brigade in Spain, 1809-11 | Laspra Rodríguez, Alicia | Article in Journal | | 2008 |
| William Petty and early colonial roots of development economics | Goodacre, Hugh | Article in Book | | 2005 |
| William Thomas Latimer (1842-1919); churchman and historian | Ó Conluain, Proinsias | Article in Journal | | 2006 |
| Works by Thomas Alfred Cobden : architect, 1794-1842 | MacLeod, Iona | Article in Journal | | 1987 |
| Writers in the Nation, 1842-5 | MacGrath, K. | Article in Journal | | 1949 |
| Writing an Orange Dolly's Brae | Farrell, Sean | Article in Book | | 2008 |
| ‘Up with the American Flag in all the glory of its stainless honor’: Anti-Imperial rhetoric in the Chicago Citizen, 1898–1902 | Bhroiméil, Úna Ní | Article in Book | | 2017 |
| “I am a useful man, and no one better than me” : John Neville, the Birr Workhouse Messenger | Leonard, Cormac | Monograph or Collective Volume | | 2023 |
| “That city af loat” : maritime dimensions of Ireland’s great famine migration | McMahon, Cian T. | Article in Journal | | 2022 |