| "In the service of the republic"? : Wolfe Tone in Bantry Bay | Dunne, Tom, 1939- | Article in Book | Mercier Press | 1997 |
| "Sorrow but no despair - the road is marked" : The politics of funerals in post-1916 Ireland | Doherty, GabrielKeogh, Dermot | Article in Book | Mercier Press | 1998 |
| "The freedom to achieve freedom"? The political ideas of Collins and de Valera | Mansergh, Martin | Article in Book | Mercier Press | 1998 |
| "The French are on the Say" | Ó Crualaoich, Gearóid | Article in Book | Mercier Press | 1997 |
| "The invasion that never was" : naval and military aspects of the French expedition to Bantry Bay, 1796 | Bartlett, Thomas | Article in Book | Mercier Press | 1997 |
| "This turbulent priest" | Wilson, Des | Monograph or Collective Volume | Mercier Press | 1985 |
| 'A centre of turbulence and rioting' : the republican movement in Limerick, 1917-1918 | O'Callaghan, John | Article in Book | Mercier Press | 2011 |
| 'And be hanged by the neck until you are dead' : introduction | Gillespie, Raymond | Article in Book | Mercier Press | 2005 |
| 'Around the house and mind the cosmos' : music, dance and identity in contemporary Ireland | Ó Súilleabháin, Mícheál | Article in Book | | 1998 |
| 'Baptised in blood' : the formation of the Cork Brigade of the Irish Volunteers, 1913-1916 | O'Shea, BrendanWhite, Gerry, 1957- | Monograph or Collective Volume | Mercier Press | 2005 |
| 'But the stairs is not sound, sir!' : Friarstown, Tallaght, 1816 | Bagnall, Sean | Article in Book | Mercier Press | 2005 |
| 'Conditional constitutionalists' : the reaction of Fianna Fáil grass-roots to the IRA border campaign, 1956-1927 | Kelly, Stephen | Article in Book | Mercier Press | 2011 |
| 'Dr Nightingale, I presume?' : Irish nursing education enters the academy | McNamara, Martin | Article in Book | | 2005 |
| 'Every word stated by the prisoner may be taken cum grano salis' : Newtownstewart, county Tyrone, 1871 | Stewart, Austin | Article in Book | Mercier Press | 2005 |
| 'Grotesque proceedings'? Localised responses to the Home Rule question in Ulster | Bardon, Jonathan | Article in Book | | 2014 |
| 'Heading into the wind' : the work of district nurse Mary Quain | Meehan, Therese Connell | Article in Book | | 2005 |
| 'I don't care where I am brought to, so long as you don't take me to hell' : Naul, county Dublin, 1881 | Mullan, Catherine | Article in Book | | 2005 |
| 'I flatter myself we have strangled the evil in the bud' : Lisaville, Elphin, county Roscommon, 1847 | Vesey, Patrick | Article in Book | | 2005 |
| 'I signed my death warrant' : Michael Collins and the Treaty | Dwyer, T. Ryle | Monograph or Collective Volume | Mercier Press | 2006 |
| 'Invisible' nursing | Treacy, Margaret Pearl | Article in Book | | 2005 |
| 'Irreconcilable enemies' or 'Flesh and blood'? the Irish Party and the Easter rebels, 1914-1916 | Wheatley, Michael | Article in Book | | 2007 |
| 'It's not fit for you to be keeping company with that unfortunate fellow' : Ballyforan Bridge, county Galway, 1879 | Clarke, Joe | Article in Book | | 2005 |
| 'Like a little castle' : Waterford in the middle ages | Barry, Terence B. | Article in Book | | 1995 |
| 'Making Aliya' : Irish Jews, the Irish state and Israel | Keogh, Dermot,
| Article in Book | | 2008 |
| 'Making Aliya' : Irish jews, the Irish State and Israel | Keogh, Dermot | Article in Book | | 2004 |
| 'Neither Whigs, Tories, nor party politicians'? The Church of Ireland and the Ulster crisis, 1910-14 | Scholes, Andrew | Article in Book | | 2014 |
| 'Notorious anarchists?' : the Irish smallholder and the Irish state during the Emergency 1939-1945 | Evans, Bryce | Article in Book | | 2011 |
| 'Oh! good God, is there no one to assist?' : Oberstown, county Kildare, 1799 | Durack, Susan | Article in Book | | 2005 |
| 'Put the saddle on the right horse' : Borklemore, county Wicklow, 1893 | O'Sullivan, Seán | Article in Book | | 2005 |
| 'Resigned to take the bill with its defects' : the Catholic Church and the third Home Rule bill | Ó Corráin, Daithí | Article in Book | | 2014 |
| 'Shot in cold blood' : military law and Irish perceptions in the suppression of the 1916 Rebellion | Hardiman, Adrian | Article in Book | | 2007 |
| 'Skill'd to rule' : the teacher and Irish literature | Thompson, Mary | Article in Book | | 2005 |
| 'Tell me, Sean O'Farrell' : the story of an Irish schoolmaster | O'Farrell, Padraic | Monograph or Collective Volume | Mercier Press | 1986 |
| 'The eagerness of the lower orders to press the case against the prisoner' : Ballymote, county Sligo, 1861 | Wylie-Warren, Edward | Article in Book | | 2005 |
| 'They have been sent back to their desolate home, broken spirited and hopeless' : Shanbogh, south Kilkenny, 1880 | Urwin, Margaret | Article in Book | | 2005 |
| 'Those in whom you trust will always be the first to betray you' : Ballyconnell, Co. Cavan, 1855 | Sweeney, Frances | Article in Book | | 2005 |
| 'Through the lens' : the Irish nurse in cinema and television | Fealy, Gerard M. | Article in Book | | 2005 |
| 'Too fond of going' : female emigration and change for women in Ireland, 1946-1961 | Clear, Caitriona | Article in Book | NA | 2004 |
| 'We are not yet safe, for they threaten us with more violence' : a study of the Cook Street riot, 1629 | Empey, Mark | Article in Book | NA | 2011 |
| 'You want to be a British Paddy?' : the anxiety of identity in post-war Irish migrant writing | Harte, Liam | Article in Book | | 2004 |
| 1000 years of Irish prose. Part 1 : the literary revival | | Monograph or Collective Volume | Devin-Adair | 1952 |
| 16 dead men : the Easter rising executions | Ryan, Anne-Marie | Monograph or Collective Volume | Mercier Press | 2014 |
| 1798 and the balladmakers | Munnelly, Tom | Article in Book | | 1998 |
| 1798 in Antrim and Down | Stewart, Anthony Terence Quincey, 1929-2010 | Article in Book | | 1998 |
| 1894-1994 : an overview | Lynch, Patrick, 1917-2001 | Article in Book | | 1994 |
| 1916 - a view from 2006 | McAleese, Mary | Article in Book | | 2007 |
| 1916 : the long revolution | | Monograph or Collective Volume | Mercier Press | 2007 |
| 50 things you didn't know about 1916 | O'Farrell, Mick, 1966- | Monograph or Collective Volume | Mercier Press | 2009 |
| A bibliography of Irish ethnology and folk tradition | Ó Danachair, Caoimhín, 1913-2002 | Monograph or Collective Volume | Mercier Press | 1978 |
| A bibliography of Irish ethnology and folk tradition | Danaher, Kevin, 1913-2002 | Monograph or Collective Volume | Mercier Press | 1978 |
| A bloody canvas | Gallimore, Andrew | Monograph or Collective Volume | Mercier Press | 2007 |
| A candle in the window : a history of the Barony of Castleknock | Lacey, Jim | Monograph or Collective Volume | Mercier Press | 2007 |
| A great time to be in America : the Irish in post-Second World War New York | Almeida, Linda Dowling | Article in Book | | 2004 |
| A guide to Irish antiques and antique dealers, 1967 | | Monograph or Collective Volume | Mercier Press | 1967 |
| A history and topography of Limerick city and county | Lewis, Samuel | Monograph or Collective Volume | Mercier Press | 1980 |
| A history of Irish education : a study in conflicting loyalties | Dowling, P. J. | Monograph or Collective Volume | Mercier Press | 1971 |
| A history of Kilmainham Gaol, the dismal house of little ease | Kelly, Freida | Monograph or Collective Volume | Mercier Press | 1988 |
| A history of the Easter Rising in 50 objects | Gibney, John | Monograph or Collective Volume | Mercier Press | 2016 |
| A man of many talents | Phelan, Jack | Article in Book | | 2008 |
| A rebel act : Michael Hartnett's farewell to English | Walsh, Pat, 1961- | Monograph or Collective Volume | Mercier | 2012 |
| A short history of Dublin | Boran, Pat | Monograph or Collective Volume | Mercier Press | 2000 |
| A short history of Ireland | McMahon, Sean | Monograph or Collective Volume | Mercier Press | 1996 |
| A significant Irish educationalist | Pearse, Patrick Henry, 1879-1916Ó Buachalla, Séamus | Monograph or Collective Volume | Mercier Press | 1980 |
| A significant Irish educationalist : the educational writings of P. H. Pearse | Ó Buachalla, Séamus | Monograph or Collective Volume | Mercier Press | 1980 |
| A state of denial : British collaboration with Loyalist paramilitaries | Urwin, Margaret | Monograph or Collective Volume | Mercier Press | 2016 |
| A story of growth and change : Dublin 1560-1800 | Cullen, L. M. (Louis Michael) | Article in Book | | 1995 |
| A tale of German espionage in wartime Ireland | Hull, Mark M. | Article in Book | | 2004 |
| A tale of two acts : government and trade unions during the emergency | O'Shea, Finbarr | Article in Book | | 2004 |
| A walk through rebel Dublin 1916 | O'Farrell, Mick | Monograph or Collective Volume | Mercier Press | 1999 |
| A wounded church : religion, politics and justice in Ireland | McVeigh, Joe | Monograph or Collective Volume | Mercier Press | 1989 |
| Across the waves | Dwyer, T. Ryle | Monograph or Collective Volume | Mercier Press | 2002 |
| Against the wind : memories of Clare hurling | Byrnes, Ollie | Monograph or Collective Volume | Mercier Press | 1996 |
| Agnes Morrogh-Bernard: Foundress of Foxford Woollen Mills | Molloy, Margaret | Monograph or Collective Volume | Mercier Press | 2014 |
| Agriculture and other natural resources | O'Connor, Robert | Article in Book | | 1986 |
| Ailtirí na hAiseirighe : a party of its time? | Ní Lochlainn, Aoife | Article in Book | | 2004 |
| All our yesterdays | Hassett, Declan | Monograph or Collective Volume | Mercier Press | 1998 |
| Aloys Fleischmann (1910-92) : a life for music in Ireland remembered by contemporaries | Fleischmann, Ruth | Monograph or Collective Volume | Mercier Press | 2000 |
| America and the 1916 Rising | Carroll, Francis M. | Article in Book | | 2007 |
| An enemy of the crown : the British secret service campaign against Charles Haughey | Burke, David | Monograph or Collective Volume | Mercier Press | 2022 |
| An hourglass on the run : the story of a preacher | Feehan, James A. | Monograph or Collective Volume | Mercier Press | 2000 |
| An ill wind blowing good : the story of the COPE foundation | Tergan, John P. | Monograph or Collective Volume | Mercier Press | 2003 |
| An introduction to Irish high crosses | Richardson, HilaryScarry, John | Monograph or Collective Volume | Mercier Press | 1990 |
| An Irish almanac : notable events in Ireland from 1014 to the present | Crealey, Aidan H. | Monograph or Collective Volume | Mercier Press | 1993 |
| An Irish soldier's diaries | Moriarty, Michael | Monograph or Collective Volume | Mercier Press | 2010 |
| Anatomy of a failure : Bantry Bay and the French invasion of 1796 | Gough, Hugh | Article in Book | | 1997 |
| Ancient and present state of the county of Kerry | Smith, Charles | Monograph or Collective Volume | Mercier Press | 1979 |
| Anglo-Irish poetry 1700-1850 | McHugh, Roger | Article in Book | | 1973 |
| Another time : growing up in Clare | Dinan, Colette | Monograph or Collective Volume | Mercier Press | 2002 |
| Artist of the revolution: the cartoons of Ernest Kavanagh (1884-1916) | Curry, James | Monograph or Collective Volume | Mercier | 2012 |
| As others saw us : some travellers' impressions of Bantry and its environs | Ó Coileáin, Seán | Article in Book | | 1997 |
| Aspects of local health in Ireland in the 1950s | McCarthy, Andrew | Article in Book | | 2004 |
| Athenry | Rynne, Etienne | Article in Book | | 1995 |
| Athlone | Murtagh, Harman | Article in Book | | 1994 |
| Bandon | O'Flanagan, Patrick | Article in Book | | 1994 |
| Bangor | Robinson, Philip S. | Article in Book | | 1995 |
| Bantry Bay : the wider context | Whelan, Kevin | Article in Book | | 1997 |
| Beara woman talking : the lore of Peig Minihane | Ní Mhionacháin, MáiréadVerling, Máirtín | Monograph or Collective Volume | Mercier Press | 2003 |
| Beat the goatskin till the goat cries | Fitzmaurice, Gabriel | Monograph or Collective Volume | Mercier Press | 2006 |
| Beckett/Beckett | Mercier, Vivian | Monograph or Collective Volume | Sovenir | 1990 |
| Before Cadden : abortion in mid-twentieth-century | McAvoy, Sandra | Article in Book | | 2004 |
| Being a psychiatric nurse in Ireland in the 1950s | Sheridan, Ann | Article in Book | | 2005 |
| Belfast, August 1969 : the limited and localised pattern(s) of violence | Kelly, Liam | Article in Book | | 2011 |
| Below sea-level in the city of Cork | Hurley, Maurice F. | Article in Book | | 1995 |
| Beneath Cannock's clock : the last man hanged in Ireland | Walsh, Dermot | Monograph or Collective Volume | Mercier | 2009 |
| Berlin's Irish radio war | O'Donoghue, David | Article in Book | | 2004 |
| Better sureshot than scattergun : Eamon de Valera, Seán Ó Faoláin and arts policy | Kennedy, Brian P. | Article in Book | | 2003 |
| Beyond the Black Pig's Dyke : a short history of Ulster | Ó Broin, Art | Monograph or Collective Volume | Mercier Press | 1995 |
| Bíbeanna : memories from a corner of Ireland | | Monograph or Collective Volume | Mercier Press | 2007 |
| Biddy Early | Ryan, Meda | Monograph or Collective Volume | Mercier Press | 1978 |
| Blasket memories : the life of an Irish island community | Tyers, Pádraig | Monograph or Collective Volume | Mercier Press | 2000 |
| Blood for blood : the Black and Tan war in Galway | Henry, William | Monograph or Collective Volume | Mercier | 2012 |
| Blood on the banner : the Republican struggle in Clare 1913-1923 | Ó Ruairc, Pádraig Óg | Monograph or Collective Volume | Mercier Press | 2009 |
| Blood on the streets : 1916 & the battle for Mount Street Bridge | O'Brien, Paul | Monograph or Collective Volume | Mercier Press | 2008 |
| Blueprints from Britain : Irish responses to post-war plans | McNamara, Robert | Article in Book | | 2004 |
| Boddy Sands and the tragedy of Northern Ireland | Feehan, John | Monograph or Collective Volume | Mercier Press | 1983 |
| Botany Bay : the story of the convicts transported from Ireland to Australia, 1791-1853 | Costello, Con | Monograph or Collective Volume | Mercier Press | 1996 |
| Bray | Davies, K. M. (Kathleen Mary) | Article in Book | | 1994 |
| Brian Boru : king of Ireland | Newman, Roger Chatterton | Monograph or Collective Volume | Mercier Press | 2011 |
| Brian Boru and the battle of Clontarf | Ó Corráin, Donnchadh | Article in Book | | 1986 |
| British brutality in Ireland | O'Brien, JackO'Dwyer, Paul | Monograph or Collective Volume | Mercier Press | 1989 |
| Broadcasting - the early decades | Cathcart, Rex | Article in Book | | 1984 |
| Brother against brother | Deasy, Liam | Monograph or Collective Volume | Mercier Press | 1982 |
| Bryan MacMahon - údar agus oide | McMahon, Owen D. | Article in Book | | 2005 |
| Bryan MacMahon, Peig Sayers and the publication of 'Peig' in English | De Mórdha, Mícheál | Article in Book | | 2005 |
| Bureau of Military History : testament of Michael Curran | Curran, Michael | Article in Book | | 2007 |
| Burren villages : tales of history and imagination | | Monograph or Collective Volume | Mercier Press | 2010 |
| Bygone Limerick : the city and county in days gone by | Oram, Hugh | Monograph or Collective Volume | Mercier Press | 2010 |
| Byrne's dictionary of Irish local history : from earliest times to c.1900 | Byrne, Joseph | Monograph or Collective Volume | Mercier Press | 2004 |
| Capital in the Irish economy | Lee, J. J. (John Joseph), 1942- | Article in Book | | 1969 |
| Care to remember : nursing and midwifery in Ireland | Fealy, Gerard M. | Monograph or Collective Volume | Mercier Press | 2005 |
| Caring, past and present | Nolan, Peter | Article in Book | | 2005 |
| Carlingford | Gleeson, Carol | Article in Book | | 1995 |
| Carrickfergus | Robinson, Philip S. | Article in Book | | 1994 |
| Carrickmacross | Duffy, Patrick J. | Article in Book | | 1995 |
| Cashel | O'Keeffe, Tadhg | Article in Book | | 1995 |
| Castlecomer | Nolan, William | Article in Book | | 1994 |
| Catholic emancipation | Nowlan, Kevin B. | Article in Book | NA | 1986 |
| Catholics in economic life | Wall, Maureen (née Mac Geehin) | Article in Book | | 1969 |
| Catholics in Northern Ireland, 1926-1939 | Kennedy, David | Article in Book | | 1967 |
| Celtic religion and Celtic society | Dillon, Myles | Article in Book | | 1964 |
| Censorship and the moral community | Murphy, John A. | Article in Book | | 1984 |
| Changing the rules : why the failures of the 1950s forced a transition in economic policy-making | Bradley, John, 1946- | Article in Book | | 2004 |
| Charles Joseph Kickham and John O'Leary | Green, E. R. R. | Article in Book | | 1968 |
| Charles Stewart Parnell | McMahon, Sean | Monograph or Collective Volume | Mercier Press | 2000 |
| Civil war in Connacht, 1922-23 | Ó Gadhra, Nollaig | Monograph or Collective Volume | Mercier Press | 1999 |
| Clare and its people : a concise history | Dinan, Brian | Monograph or Collective Volume | Mercier Press | 1987 |
| Class and social mobility | Whelan, Christopher T. | Article in Book | | 1986 |
| Cleared for disaster : Ireland's most horrific air crashes | O'Toole, Michael | Monograph or Collective Volume | Mercier Press | 2006 |
| Clones lace : the story and patterns of an Irish crochet | Treanor, Máire | Monograph or Collective Volume | Mercier Press | 2002 |
| Coffin ship : the wreck of the brig St John | Henry, William | Monograph or Collective Volume | Mercier | 2009 |
| Coleraine | Gillespie, Raymond | Article in Book | | 1995 |
| Collective action and the Poor Law : the political mobilisation of the Irish poor 1851-1878 | Collins, Mel | Article in Book | | 2011 |
| Collins and intelligence 1919-1923 : from brotherhood to bureaucracy | O'Halpin, Eunan | Article in Book | | 1998 |
| Colonial nationalism, 1698-1776 : Molyneux's The case of Ireland stated | Simms, J. G. (John Gerald) | Monograph or Collective Volume | Mercier Press | 1976 |
| Communications and community : problems and prospects | Farrell, Brian | Article in Book | | 1984 |
| Communications and community in Ireland | | Monograph or Collective Volume | Mercier Press in collaboration with RTE | 1984 |
| Con Cremin : Irelnad's wartime diplomat | Keogh, Niall | Monograph or Collective Volume | Mercier Press | 2006 |
| Con Cremin, Berlin and 'Die Billige Gesandtschaft' | Keogh, Niall | Article in Book | | 2004 |
| Concluding thoughts | O'Driscoll, Mervyn | Article in Book | | 2004 |
| Conclusion | Williams, T. Desmond | Article in Book | | 1967 |
| Conradh na Gaeilge agus an litríocht | Ó Cadháin Máirtín | Article in Book | | 1972 |
| Conspirators : a photographic history of Ireland's revolutionary underground | Kenna, Shane | Monograph or Collective Volume | Mercier Press | 2015 |
| Constance Markievicz's 'three great movements' and the 1916 Rising | Owens, Rosemary Cullen | Article in Book | | 2007 |
| Continuity and change : settlement and society in medieval Ireland, c.500-1500 | Simms, Anngret | Article in Book | | 1986 |
| Convergent criticism : the Biographia Literaria of Vivien Mercer and the state of Irish literary history | McCormack, W. J. | Article in Journal | | 1995 |
| Cork burning | Lenihan, Michael | Monograph or Collective Volume | Mercier Press | 2018 |
| Cork city by the Lee | Anonymous | Monograph or Collective Volume | Corporation of Cork in association with Mercier Press | 1983 |
| Cork in the 1960s | Kelly, OrlaKelly, Terry | Monograph or Collective Volume | Mercier Press | 2014 |
| Counties of contention : a study of the origins and implications of the partition of Ireland | Kiely, Benedict | Monograph or Collective Volume | Mercier Press | 2004 |
| Counties of contention. A study of the origins and implications of the partition of Ireland | Kiely, Benedict | Monograph or Collective Volume | Mercier Press | 1945 |
| County Kerry past and present : a handbook to the local and family history of the county | King, Jeremiah | Monograph or Collective Volume | Mercier Press | 1986 |
| Creating an audience for contemporary music | O'Leary, Jane | Article in Book | | 1998 |
| Crime and the criminal justice system | Rottman, David B. | Article in Book | | 1986 |
| Cromwell's revenge : a true story | McLoughlin, Peter | Monograph or Collective Volume | Mercier Press | 2004 |
| Cultural visions and the new state : embedding and embalming | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 2003 |
| Curious journey : an oral history of Ireland's unfinished revolution | Griffith, Kenneth, 1921-2006O'Grady, Timothy | Monograph or Collective Volume | Mercier Press | 1998 |
| Daniel Mannix, Ireland and Australia | Kiernan, Colm | Article in Book | | 1984 |
| Daniel O'Connell | McMahon, Sean | Monograph or Collective Volume | Mercier Press | 2000 |
| Dánta Ban : poems of Irish women, early and modern | Henry, P. L. (Patrick Leo) | Monograph or Collective Volume | Mercier Press | 1991 |
| Dark corners | Mac Manus, Gerard | Monograph or Collective Volume | Mercier Press | 2008 |
| Days of fear : diary of a 1920s hunger striker | Gallagher, Frank, 1893-1962 | Monograph or Collective Volume | Mercier Press | 2008 |
| De Valera imagined and observed | Martin, Gerald Warren | Article in Book | | 2003 |
| De Valera in power | Williams, T. Desmond | Article in Book | | 1967 |
| De Valera's darkest hour : in search of national independence, 1919-1932 | Dwyer, T. Ryle | Monograph or Collective Volume | Mercier Press | 1982 |
| De Valera's finest hour : in search of national independence, 1932-59 | Dwyer, T. Ryle | Monograph or Collective Volume | Mercier Press | 1982 |
| De Valera's Irelands | | Monograph or Collective Volume | Mercier Press | 2003 |
| De Valera's other Ireland | Ó Crualaoich, Gearóid | Article in Book | | 2003 |
| Dead interesting : stories from the graveyards of Dublin | MacThomáis, Shane | Monograph or Collective Volume | Mercier | 2012 |
| Dean of St Patrick's : a view from the letters | Holloway, John | Article in Book | | 1968 |
| Death on a country road | Fahy, Desmond | Monograph or Collective Volume | Mercier Press | 2006 |
| Decades of dissension and divisions 1923-1959 | Nevin, Donal | Article in Book | | 1994 |
| Decoding the IRA | Gillogly, James J., 1946-Mahon, Tom (Thomas G.) | Monograph or Collective Volume | Mercier Press | 2008 |
| Defence and the new Irish state, 1919-1939 | Young, Peter | Article in Book | | 2004 |
| Defiant Irish women | Lenihan, Eddie | Monograph or Collective Volume | Mercier Press | 2019 |
| Derry - a spectacular maiden | Thomas, Avril | Article in Book | | 1995 |
| Dev and Mick - the 1922 split as social psychological event | Garvin, Tom | Article in Book | | 1998 |
| Diarmait : King of Leinster | Furlong, Nicholas | Monograph or Collective Volume | Mercier Press | 2006 |
| Diarmuid Lynch : a forgotten Irish patriot | McGough, Eileen | Monograph or Collective Volume | Mercier | 2013 |
| Dictionary of Irish writers, first series : Fiction - novelists, playrights, poets, sort story writers in English | | Monograph or Collective Volume | Mercier Press | 1966 |
| Disorder and commotion : urban riots and popular protest in Ireland, 1570-1640 | Tait, Clodagh | Article in Book | | 2011 |
| Dissidents : Irish republican women 1923-1941 | Matthews, Ann | Monograph or Collective Volume | Mercier | 2012 |
| Don Quixote as scholar : the sources of Standish James O'Grady's 'History of Ireland' | Mercier, V. H. S. | Article in Journal | | 1981 |
| Donegal & the civil war: the untold story | Ó Duibhir, Liam | Monograph or Collective Volume | Mercier Press | 2011 |
| Donegal and the civil war : the untold story | Ó Duibhir, Liam | Monograph or Collective Volume | Mercier Press | 2011 |
| Downpatrick | Buchanan, R. H. (Ronald Hull) | Article in Book | | 1994 |
| Dublin made me : an autobiography | Andrews, C. S. | Monograph or Collective Volume | Mercier Press | 1979 |
| Dublin's fighting story, 1916-21 : told by the men who made it, with a unique pictorial record of the period | | Monograph or Collective Volume | Mercier Press | 2009 |
| Dublin's role in the 1798 rebellion | Graham, Tommy | Article in Book | | 1998 |
| Dungarvan | Proudfoot, Lindsay J. | Article in Book | | 1994 |
| Dying for the cause : Kerry's republican dead | Horgan, Tim | Monograph or Collective Volume | Mercier | 2015 |
| Eamon de Valera : the price of his achievement | FitzGerald, Garret | Article in Book | | 2003 |
| Eamon de Valera and Blackrock, 1898-1921 | Farragher, Sean | Article in Book | | 2003 |
| Eamon de Valera and the civil war in Ireland, 1922-1923 | Keogh, Dermot | Article in Book | | 2003 |
| Éamonn Ceannt : supreme sacrifice | Henry, William | Monograph or Collective Volume | Mercier | 2012 |
| Early Irish poetry | | Monograph or Collective Volume | Mercier Press | 1965 |
| Early lyric poetry | Dillon, Myles | Article in Book | | 1965 |
| Early nineteenth century education in north Kerry | Ó Concubhair, Pádraig | Article in Book | | 2005 |
| Early settlement and society before 500 A.D. | Mitchell, Frank | Article in Book | | 1986 |
| Easter 1916 in Cork : order, counter-order, and disorder | O'Shea, BrendanWhite, Gerry, 1957-, | Article in Book | | 2007 |
| Easter dawn : the 1916 rising | Bunbury, Turtle | Monograph or Collective Volume | Mercier | 2015 |
| Easter ethics | Murphy, Seamus | Article in Book | | 2007 |
| Easter Week, 1916 | O'Donoghue, Florence | Article in Book | | 1964 |
| Echoes of a savage land | Mc Gowan, Joe | Monograph or Collective Volume | Mercier Press | 2001 |
| Economic development, 1958-85 | Whitaker, T. K. | Article in Book | | 1986 |
| Education in the new Ireland | Ó Catháin, Seán | Article in Book | | 1967 |
| Emergency law in action, 1939-1945 | Ó Longaigh, Seosamh | Article in Book | | 2004 |
| Employment, unemployment and emigration | Sexton, J. J. | Article in Book | | 1986 |
| English readers : three historical moments | Mercier, Vivian | Article in Book | | 1989 |
| Enniscorthy | Whelan, Kevin | Article in Book | | 1994 |
| Ennistymon | Mac Curtain, Margaret | Article in Book | | 1994 |
| Establishing a communications system : news, post and transport | Cullen, L. M. (Louis Michael) | Article in Book | | 1984 |
| Europe and the Irish crisis, 1900-17 | De Wiel, Jérôme aan | Article in Book | | 2007 |
| Everything Irish : the history, literature, art, music, people and places of Ireland from A - Z | | Monograph or Collective Volume | Mercier Press | 2004 |
| Executed for Ireland : the Patrick Moran story | Moran, May | Monograph or Collective Volume | Mercier Press | 2010 |
| Eyewitness to 1798 | Folley, Terence | Monograph or Collective Volume | Mercier Press | 1996 |
| Falcons fly in Ireland | Jocher, Ernst C. F. | Monograph or Collective Volume | Mercier Press | 1967 |
| Fallen idol : Haughey's controversial career | Dwyer, T. Ryle | Monograph or Collective Volume | Mercier Press | 1997 |
| Famine : Galway's darkest years | Henry, William | Monograph or Collective Volume | Mercier | 2011 |
| Famine in Cork city : famine life at Cork Union Workhouse | O'Mahony, Michelle | Monograph or Collective Volume | Mercier Press | 2005 |
| Famine in West Cork : the Mizen peninsula : land and people 1800-1852 | Hickey, Patrick | Monograph or Collective Volume | Mercier Press | 2002 |
| Famine, fever and the bloody flux | Geary, Laurence M. | Article in Book | | 1995 |
| Fat god, thin god | Kennedy, James | Monograph or Collective Volume | Mercier Press | 2002 |
| Fenianism, 1867-1916 | Lyons, F. S. L. (Francis Stewart Leland) | Article in Book | | 1968 |
| Fergus O'Connor and J. Bronterre O'Brien | Briggs, Asa | Article in Book | | 1966 |
| Ferocious Irish women | Lenihan, Edmund | Monograph or Collective Volume | Mercier Press | 1991 |
| Fighting for the cause : Kerry's republican fighters | Horgan, Tim | Monograph or Collective Volume | Mercier Press | 2018 |
| Fine Gael : British or Irish? | Boland, Kevin | Monograph or Collective Volume | Mercier Press | 1984 |
| Flight from famine | Fitzpatrick, David | Article in Book | | 1995 |
| Folk memory and the famine | Póirtéir, Cathal | Article in Book | | 1995 |
| Food and famine | Crawford, E. Margaret | Article in Book | | 1995 |
| Fooled again : the Anglo-Irish agreement and after | Coughlan, Anthony | Monograph or Collective Volume | Mercier Press | 1986 |
| Forgotten heroes : Galway soldiers of the Great War, 1914-1918 | Henry, William | Monograph or Collective Volume | Mercier Press | 2007 |
| Foundation and early years of the Irish TUC 1894-1912 | Keogh, Dermot | Article in Book | | 1994 |
| France and the 1798 rebellion | Gough, Hugh | Article in Book | | 1998 |
| From Belfast's Sandy Row to Buckingham Palace : the story of John Gibson | Carroll, Valerie | Monograph or Collective Volume | Mercier Press | 1994 |
| From city slums to city sprawl : Dublin from 1800 to the present | Prunty, Jacinta | Article in Book | | 1995 |
| From free trade to self-sufficiency | Meenan, James | Article in Book | | 1967 |
| From pogrom to Civil War : Tom Glennon and the Belfast IRA | Glennon, Kieran | Monograph or Collective Volume | Mercier | 2013 |
| From republican theory to public policy | Pettit, Philip | Article in Book | | 2005 |
| From silent glens to noisy streets | Campbell, Patrick J. | Monograph or Collective Volume | Mercier Press | 1983 |
| From the ‘Flat o' the city' to the top of the hill : Cork since 1700 | Cronin, Maura (née Murphy) | Article in Book | | 1995 |
| From urbs intacta to crystal city : Waterford 1495-1995 | Walton, Julian | Article in Book | | 1995 |
| Funeral oration of Father Ventura on the death of Daniel O'Connell | Andreu, Francisco | Article in Book | | 1980 |
| G.P.O. staff in 1916 : business as usual | Ferguson, Stephen | Monograph or Collective Volume | Mercier | 2012 |
| Gaelic Ireland rediscovered : courtly and country poetry | Ní Chuilleanáin, Eiléan | Article in Book | | 1973 |
| Gaelic Ireland rediscovered: the early period | Clarke, Austin | Article in Book | | 1973 |
| Galway and the great War | Henry, William | Monograph or Collective Volume | Mercier Press | 2006 |
| Galway in the modern period : survival and revival | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 1995 |
| Gearóid O'Sullivan - friend and ally | O'Sullivan, Gearóid | Article in Book | | 1998 |
| General Humbert's campaign in the west | Murtagh, Harman | Article in Book | | 1998 |
| Geochemistry of ballast granites from Brouage and La Rochelle, France : evidence for medieval to post-medieval trade with Falmouth, Cornwall, and Donegal, Ireland | Lazareth, C. E.Mercier, J-C. C. | Article in Book | | 1999 |
| Gerald Goldberg : a tribute | | Monograph or Collective Volume | Mercier Press | 2008 |
| Gerald Yael Goldberg | Keogh, Dermot,O'Mahony, Damien | Article in Book | | 2008 |
| Gerry Adams : a biography | Keena, Colm | Monograph or Collective Volume | Mercier Press | 1990 |
| Gerry Filt : a political chamelon | Murphy, Michael A. | Monograph or Collective Volume | Mercier Press | 2007 |
| Giolla Brighde Mac Con Midhe | O'Sullivan, Anne | Article in Book | | 1965 |
| Gola : the life and last days of an island community | Aalen, F. H. A.Brody, Hugh | Monograph or Collective Volume | Mercier Press | 1969 |
| Good times and bad : from the Coombe to the Kremlin, a memoir | Martin, Séamus, 1942- | Monograph or Collective Volume | Mercier Press | 2008 |
| GPO staff in 1916 | Ferguson, Stephen | Monograph or Collective Volume | Mercier Press | 2012 |
| Grace's card : Irish Catholic landlords 1690-1800 | Chenevix Trench, Charles | Monograph or Collective Volume | Mercier Press | 1997 |
| Great Irish heroes | McMahon, Sean | Monograph or Collective Volume | Mercier Press | 2018 |
| Great Irish heroes | McMahon, Sean | Monograph or Collective Volume | Mercier Press | 2008 |
| Guests of the state | Dwyer, T. Ryle | Article in Book | | 2004 |
| Guilty but insane : J.C. Bowen-Colthurst : villain or victim? | Taylor, James W. | Monograph or Collective Volume | Mercier Press | 2016 |
| Gulliver's travels | Hodgart, Matthew | Article in Book | | 1968 |
| Hanging crimes : when Ireland used the gallows | | Monograph or Collective Volume | Mercier Press | 2005 |
| Hard times : - Armagh gaol, 1971-1986 | Murray, Raymond | Monograph or Collective Volume | Mercier Press | 1998 |
| Harry Boland | Maher, Jim | Monograph or Collective Volume | Mercier Press | 1998 |
| Has Ireland a future? | Kirby, Peadar | Monograph or Collective Volume | Mercier Press | 1988 |
| Haughey's forty years of controversy | Dwyer, T. Ryle | Monograph or Collective Volume | Mercier Press | 2005 |
| Haughey's thirty years of controversy | Dwyer, T. Ryle | Monograph or Collective Volume | Mercier Press | 1992 |
| Have the trade unions failed the North? | Boyd, Andrew, 1921- | Monograph or Collective Volume | Mercier Press | 1984 |
| Here's to their memory : profiles of distinguished Sligonians of by-gone days | McTernan, John C. | Monograph or Collective Volume | Mercier Press | 1977 |
| Heroic biographies in folklore and popular culture | Ó Giolláin, Diarmuid | Article in Book | | 1998 |
| Hidden Dublin : deadbeats, dossers and decent skins | Hopkins, Frank | Monograph or Collective Volume | Mercier Press | 2008 |
| History of Bray | Flynn, Arthur | Monograph or Collective Volume | Mercier Press | 1986 |
| History of south Tipperary | Power, P. C. | Monograph or Collective Volume | Mercier Press | 1989 |
| History of the name Murphy | Williams, James | Monograph or Collective Volume | Mercier Press | 1977 |
| History of the name O'Brien | Williams, James | Monograph or Collective Volume | Mercier Press | 1978 |
| History of the name O'Kelly | Williams, James | Monograph or Collective Volume | Mercier Press | 1978 |
| History of Waterford city and county | Power, P. C. | Monograph or Collective Volume | Mercier Press | 1990 |
| Hitler's Irishmen | O'Reilly, Terence | Monograph or Collective Volume | Mercier Press | 2008 |
| Hyde in conflict | Blythe, Ernest, 1889-1975 | Article in Book | | 1972 |
| Ideology and the Famine | Gray, Peter, 1965- | Article in Book | | 1995 |
| In the Irish past | Carbery, Eithne | Monograph or Collective Volume | Mercier Press | 1978 |
| In the legion of the vanguard : John A. Pinkman | | Monograph or Collective Volume | Mercier Press | 1998 |
| In the service of peace : memories of the Lebanon from the pages of 'An Cosantoir' | | Monograph or Collective Volume | Mercier Press | 2001 |
| In the tracks of the West Clare Railway | Lenihan, Edmund | Monograph or Collective Volume | Mercier Press | 1990 |
| In west Cork long ago | Crowley, Flor | Monograph or Collective Volume | Mercier Press | 1979 |
| Inadmissable departures : why did the emigrant experience feature so infrequently in the fiction of the mid-twentieth century? | Ryan, James | Article in Book | | 2004 |
| Industrial decline in the nineteenth century | Green, E. R. R. | Article in Book | | 1969 |
| Industrial relations | Roche, W. K. | Article in Book | | 1994 |
| Industry : the revolution unfinished | Kennedy, Kieran A. | Article in Book | | 1986 |
| Insurrection fires at Eastertide : a golden jubilee anthology of the Easter rising | | Monograph or Collective Volume | Mercier Press | 1966 |
| Interned: the Curragh internment camps in the War of Independence | Durney, James | Monograph or Collective Volume | The Mercier Press | 2019 |
| Introducing Ireland : a critical guide with biographies of 450 leaders | Eaton, George | Monograph or Collective Volume | Mercier Press | 1989 |
| Introducing Ireland : a serious visitors' guide with biographies of over 700 leaders | Eaton, George | Monograph or Collective Volume | Mercier Press | 1992 |
| Introduction | Doherty, GabrielKeogh, Dermot | Article in Book | | 2007 |
| Introduction | Nolan, William | Article in Book | | 1986 |
| Introduction | Póirtéir, Cathal | Article in Book | | 1995 |
| Introduction | Banotti, Mary | Article in Book | | 1998 |
| Introduction | Cronin, Maura (née Murphy) | Article in Book | | 2011 |
| Introduction - historiography and autobiography | Keogh, Dermot | Article in Book | | 2004 |
| Introduction : ancient republics and other political dreams | McDonald, Marianne | Article in Book | | 2005 |
| Introduction : the vanishing Irish | Keogh, Dermot | Article in Book | | 2004 |
| Ireland : external relations 1926-1939 | Mansergh, Nicholas, 1910-1991 | Article in Book | | 1967 |
| Ireland and Australia | | Monograph or Collective Volume | Mercier Press in collaboration with Radio Telefís Éireann | 1984 |
| Ireland and the first World War : a photographic history | Ó Comhraí, Cormac | Monograph or Collective Volume | Mercier | 2014 |
| Ireland and the US in the post-war period | FitzGerald, Maurice | Article in Book | | 2004 |
| Ireland in the world economy | McAleese, Dermot | Article in Book | | 1986 |
| Ireland in transition : economic and social change since 1960 | | Monograph or Collective Volume | Mercier Press in association with Radio Telefís Éireann | 1986 |
| Ireland in World War Two : diplomacy and survival | | Monograph or Collective Volume | Mercier Press | 2004 |
| Ireland observed | Craig, Maurice JamesKnight of Glin, 1937- | Monograph or Collective Volume | Mercier Press | 1980 |
| Ireland's IFSC : a story of global financial success | Reddan, Fiona | Monograph or Collective Volume | Mercier Press | 2008 |
| Ireland, 1982-94 | English, Richard, 1963- | Article in Book | | 1994 |
| Ireland, Australia and the Commonwealth | Murphy, Brian | Article in Book | | 1984 |
| Ireland, Canada and the American note | Cunningham, Emma | Article in Book | | 2004 |
| Ireland, Irishmen and Revolutionary America, 1760-1820 | Doyle, David Noel | Monograph or Collective Volume | Mercier Press | 1981 |
| Ireland, Irishmen and revolutionary America, 1760-1820 | Doyle, David Noel | Monograph or Collective Volume | Mercier Press | 1981 |
| Irish carved ornament : from monuments of the Christian period. | Crawford, H. S. | Monograph or Collective Volume | Mercier Press | 1980 |
| Irish cities | | Monograph or Collective Volume | Mercier Press in association with Radio Telefís Éireann | 1995 |
| Irish Congress of Trade Unions appendices | Anonymous | Article in Book | | 1994 |
| Irish Congress of Trade Unions bibliography of trade unions and trade unionism in Ireland | Anonymous | Article in Book | | 1994 |
| Irish Congress of Trade Unions. Congress centenary miscellany | Anonymous | Article in Book | | 1994 |
| Irish country towns | | Monograph or Collective Volume | Mercier Press in association with Radio Telefís Éireann | 1994 |
| Irish customs and beliefs | Danaher, Kevin, 1913-2002 | Monograph or Collective Volume | Mercier Press | 2004 |
| Irish economic history : fact and myth | Cullen, L. M. (Louis Michael) | Article in Book | | 1969 |
| Irish famine in literature | Kelleher, Margaret | Article in Book | | 1995 |
| Irish folk drama | Gailey, Alan | Monograph or Collective Volume | Mercier Press | 1969 |
| Irish military nursing in the Great War | Horgan-Ryan, Siobhan | Article in Book | | 2005 |
| Irish poets in English | | Monograph or Collective Volume | The Mercier Press | 1973 |
| Irish political balladry : an audio-visual presentation | Carolan, Nicholas | Article in Book | | 1997 |
| Irish Presbyterians and the Ulster Covenant | Kirkpatrick, Laurence | Article in Book | | 2014 |
| Irish rogues, rascals and scoundrels | O'Farrell, Padraic | Monograph or Collective Volume | Mercier Press | 1992 |
| Irish romantic poets 1850-1900 | Reynolds, Lorna | Article in Book | | 1973 |
| Irish sagas | | Monograph or Collective Volume | Mercier Press | 1968 |
| Irish silver | Jackson, Robert Wyse | Monograph or Collective Volume | Mercier Press | 1972 |
| Irish symbols of 3500 B.C. | Thomas, N. L. | Monograph or Collective Volume | Mercier Press | 1988 |
| Islands and authors : pen-pictures of life past and present on the islands of Ireland | | Monograph or Collective Volume | Mercier Press in association with Radio Telefís Éireann | 1983 |
| It's a long way from penny apples | Cullen, Bill, 1942- | Monograph or Collective Volume | Mercier Press | 2001 |
| Italian opera in Dublin | Allen, John | Article in Book | | 1998 |
| James Connolly | Ryan, Desmond | Article in Book | | 1966 |
| James Connolly and the worker's republic | Hanley, Brian | Article in Book | | 2005 |
| James Fintan O'Neill | O'Neill, Thomas Patrick | Article in Book | | 1966 |
| James Stephens and Thomas Clarke Luby | Ryan, Desmond | Article in Book | | 1968 |
| Jim Larkin | Plunkett, James, 1920-2003 | Article in Book | | 1966 |
| Jim Larkin and the risen people | Plunkett, James, 1920-2003 | Article in Book | | 1994 |
| Joan Denise Moriarty : founder of Irish national ballet | | Monograph or Collective Volume | Mercier Press | 1998 |
| John B : the real Keane | Hickey, DesSmith, Gus | Monograph or Collective Volume | Mercier Press | 1992 |
| John Devoy and Jeremiah O'Donovan Rossa | Williams, T. Desmond | Article in Book | | 1968 |
| John Doherty | Boyd, Andrew, 1921- | Article in Book | | 1966 |
| John O'Mahony | Ryan, Desmond | Article in Book | | 1968 |
| Jonathan Swift and contemporary Cork | Goldberg, Gerald Y., 1912-2003 | Monograph or Collective Volume | Mercier Press | 1967 |
| Joseph Walshe : Irish foreign policy, 1922-1946 | Nolan, Aengus | Monograph or Collective Volume | Mercier | 2008 |
| Just Billa | O'Connor, Michael | Monograph or Collective Volume | Mercier Press | 2000 |
| Karl Marx : the materialist messiah | | Monograph or Collective Volume | Mercier Press in association with Radio Telefís Éireann | 1984 |
| Keeping the temperature down : domestic politics in emergency Ireland | Ó Drisceoil, Donal | Article in Book | | 2004 |
| Kells | Simms, Anngret | Article in Book | | 1994 |
| Kerry's fighting story, 1916-21 : told by the men who made it : with a unique pictorial record of the period | Anonymous | Monograph or Collective Volume | Mercier | 2009 |
| Kilcullen | O'Coineen, Enda Padraig | Monograph or Collective Volume | Cló Mercier | 1978 |
| Kildare | Andrews, J. H. (John Harwood) | Article in Book | | 1995 |
| Kilkenny - the faire citie | Bradley, John, 1954-2014 | Article in Book | | 1995 |
| Killing at its very extreme : Dublin : October 1917- November 1920 | Molyneux, Derek ; Kelly, Darren | Monograph or Collective Volume | Mercier Press | 2020 |
| Kitson's Irish war : mastermind of the dirty war in Ireland | Burke, David | Monograph or Collective Volume | Mercier Press | 2021 |
| La nation par la langue: philologie, nationalisme et nation dans l’Europe du dix-huitième siècle | Faivre, Anne-Marie Mercier | Article in Book | | 1995 |
| Labour and the political revolution | Farrell, Brian | Article in Book | | 1994 |
| Labour and the political revolution | Nevin, Donal | Article in Book | | 1967 |
| Land of milk and honey : the story of traditional Irish food and drink | Mahon, Brid | Monograph or Collective Volume | Mercier Press | 1998 |
| Landlords and merchants : Belfast 1600-1750 | Gillespie, Raymond | Article in Book | | 1995 |
| Latin poetry in Ireland | Byrne, Francis John, 1934- | Article in Book | | 1965 |
| Law in a republic | Bacik, Ivana | Article in Book | | 2005 |
| Lawful occasions : the old eastern circuit | MacKenzie, Patrick | Monograph or Collective Volume | Mercier Press | 1991 |
| Leaders and workers | | Monograph or Collective Volume | Mercier Press | 1965 |
| Leaving the Blaskets 1953 : willing or enforced departures? | Keogh, Dermot | Article in Book | | 2004 |
| Lessons from history | Fealy, Gerard M.O'Doherty, Mary | Article in Book | | 2005 |
| Lethal Allies: British Collusion in Ireland | Cadwallader, Anne | Monograph or Collective Volume | Mercier Press | 2013 |
| Letters from the Great Blasket | Ní Shúilleabháin, Eibhlín | Monograph or Collective Volume | Mercier Press | 1978 |
| Liberal public discourse and the third Home Rule bill | Doherty, James | Article in Book | | 2014 |
| Life in Donegal, 1850-1900 | McCarron, Edward T. | Monograph or Collective Volume | Mercier Press | 1981 |
| Liffey ships & shipbuilding | Sweeney, Pat | Monograph or Collective Volume | Mercier Press | 2010 |
| Limerick boycott 1904 : antisemitism in Ireland | Keogh, DermotMcCarthy, Andrew | Monograph or Collective Volume | Mercier Press | 2005 |
| Limerick's fighting story, 1916-21 : told by the men who made it, with a unique pictorial record of the period | Anonymous | Monograph or Collective Volume | Mercier | 2009 |
| Listowel and its vicinity | Gaughan, J. Anthony, 1932- | Monograph or Collective Volume | Mercier Press | 1973 |
| Literary provocateur : revival, revolt and the demise of the Irish Review, 1911-14 | Bullock, Kurt | Article in Book | | 2014 |
| Literature in English, 1891-1921 | Mercier, Vivian | Article in Book | | 1996 |
| Literature in English, 1921-84 | Mercier, Vivian | Article in Book | | 2003 |
| Living standards | Cassells, Peter | Article in Book | | 1986 |
| Living under thatch : vernacular architecture in Co. Offaly | O'Reilly, Barry | Monograph or Collective Volume | Mercier Press | 2004 |
| Love poems of the Irish | Lucey, Seán | Monograph or Collective Volume | Mercier Press | 1967 |
| Lurgan | Crawford, W. H. (William Henry) | Article in Book | | 1994 |
| Lusitania : an Irish tragedy | Molony, Senan | Monograph or Collective Volume | Mercier Press | 2004 |
| Macaulay's O'Connell | Edwards, Owen Dudley | Article in Book | | 1980 |
| Mad dog Coll : an Irish gangster | Delap, Breandán | Monograph or Collective Volume | Mercier Press | 1999 |
| Malachi Horan remembers | Little, George A. | Monograph or Collective Volume | Mercier Press | 1976 |
| Mamie Cadden : backstreet abortionist | Kavanagh, Ray | Monograph or Collective Volume | Mercier Press | 2005 |
| Man of no property | Andrews, C. S. | Monograph or Collective Volume | Mercier Press | 1982 |
| Man, landscape and roads : the changing eighteenth century | Cullen, L. M. (Louis Michael) | Article in Book | | 1986 |
| Mapping Ireland : from kingdoms to counties | Connors, Sean | Monograph or Collective Volume | Mercier Press | 2001 |
| Maps and mapmakers | Andrews, J. H. (John Harwood) | Article in Book | | 1986 |
| Martin McGuinness : the man I knew | | Monograph or Collective Volume | Mercier Press | 2018 |
| Marx, Connolly, and the Irish labour movement | Nevin, Donal | Article in Book | | 1984 |
| Marx, Engels and the Irish question | D'Arcy, Fergus A., 1943- | Article in Book | | 1984 |
| Mass eviction and the great famine : the clearances revisited | Donnelly, James S., Jr | Article in Book | | 1995 |
| Maynooth | Horner, Arnold | Article in Book | | 1994 |
| Medieval Galway : dependence and liberty | Mac Niocaill, Gearóid | Article in Book | | 1995 |
| Medieval Limerick : the growth of two towns | O'Rahilly, Celie | Article in Book | | 1995 |
| Méiní : the Blasket nurse | Matson, Leslie | Monograph or Collective Volume | Mercier Press | 1996 |
| Meloncholy madness : a coroner's casebook | McGoff-McCann, Michelle | Monograph or Collective Volume | Mercier Press | 2003 |
| Memoirs of an old warrior : Jamie Moynihan's fight for Irish freedom, 1916-1923 | Ó hÉalaithe, Dónal | Monograph or Collective Volume | Mercier Press | 2014 |
| Memory and forgetting : the Ireland of de Valera and Ó Faoláin | Banville, John | Article in Book | | 2004 |
| Men who eat ringforts | Mercier, Sinéad ; Holly, Michael ; Lenihan, Eddie | Monograph or Collective Volume | Askeaton Contemporary Arts | 2022 |
| Mercier's Irish Comic Tradition as a touchstone of Irish studies | Cahalan, James M. | Article in Journal | | 2004 |
| Messines to Carrick Hill : writing home from the Great War | Burke, Tom | Monograph or Collective Volume | Mercier Press | 2017 |
| Michael Collins - A Life in Pictures | Osborne, Chrissy | Monograph or Collective Volume | Mercier Press | 2008 |
| Michael Collins - a military leader | Young, Peter | Article in Book | | 1998 |
| Michael Collins - an overview | Fanning, Ronan | Article in Book | | 1998 |
| Michael Collins - his biographers Piaras Béaslaí and Rex Taylor | McMahon, Deirdre | Article in Book | | 1998 |
| Michael Collins - Minister for Finance 1919-22 | McCarthy, Andrew | Article in Book | | 1998 |
| Michael Collins - the Granard connection | Gearty, Margot | Article in Book | | 1998 |
| Michael Collins - the legacy and the intestacy | Regan, John M., 1967- | Article in Book | | 1998 |
| Michael Collins - the northern question 1916-1922 | Phoenix, Eamon | Article in Book | | 1998 |
| Michael Collins : the man who won the war | Dwyer, T. Ryle | Monograph or Collective Volume | Mercier Press | 1990 |
| Michael Collins : the man who won the war | Dwyer, T. Ryle | Monograph or Collective Volume | Mercier Press | 2009 |
| Michael Collins and the civil war | Dwyer, T. Ryle | Monograph or Collective Volume | Mercier | 2012 |
| Michael Collins and the making of the Irish state | | Monograph or Collective Volume | Mercier Press | 1998 |
| Michael Collins and the treaty : his differences with de Valera | Dwyer, T. Ryle | Monograph or Collective Volume | Mercier Press | 1981 |
| Michael Collins and the women in his life | Ryan, Meda | Monograph or Collective Volume | Mercier Press | 1996 |
| Michael Collins and the women who spied for Ireland | Ryan, Meda | Monograph or Collective Volume | Mercier Books | 2006 |
| Michael Collins, himself | Osborne, Chrissy | Monograph or Collective Volume | Mercier Press | 2003 |
| Michael Davitt | Moody, T. W. (Theodore William), 1907-1984 | Article in Book | | 1966 |
| Milestones in Irish history | | Monograph or Collective Volume | Mercier Press in collaboration with Radio Telefís Éireann | 1986 |
| Militant Ireland | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Book | | 1964 |
| Mná na hÉireann : women who shaped Ireland | Depuis, Nicola | Monograph or Collective Volume | Mercier Press | 2009 |
| Modern Irish literature : sources and founders | Dillon, EilísMercier, Vivian | Monograph or Collective Volume | Clarendon Press | 1994 |
| Monasterevan | Horner, Arnold | Article in Book | | 1995 |
| Moore Street: the story of Dublin's market district | Kennerk, Barry | Monograph or Collective Volume | Mercier Press | 2012 |
| More Irish country towns | | Monograph or Collective Volume | Mercier Press in association with Radio Telefís Éireann | 1995 |
| Mulligan's : grand old pub of Poolbeg Street | Dunne, Declan | Monograph or Collective Volume | Mercier Press | 2015 |
| Mullingar | Andrews, J. H. (John Harwood) | Article in Book | | 1994 |
| Munster at war | O'Brien, B. | Monograph or Collective Volume | Mercier Press | 1971 |
| Music and broadcasting | Ó Broin, Eimear | Article in Book | | 1998 |
| Music and the institutions | Ryan, Joseph J. | Article in Book | | 1998 |
| Music education in the emergent nation state | McCarthy, Marie | Article in Book | | 1998 |
| Music in Ireland : performance in music education | Heneghan, Frank | Article in Book | | 1998 |
| Music in Ireland, 1848-1998 (Thomas Davis Lecture Series) | | Monograph or Collective Volume | Mercier Press, in association with Radio Telefís Éireann | 1998 |
| Music in Ireland, 1848-1998: an overview | Pine, Richard | Article in Book | | 1998 |
| Music, politics and the Irish imagination | White, Harry, 1958- | Article in Book | | 1998 |
| Music: the cultural issue | Brown, Terence | Article in Book | NA | 1998 |
| Myopia or utopia? The discourse of Irish nationalist MPs and the Ulster question during the parliamentary debates of 1912-14 | Collombier-Lakeman, Pauline | Article in Book | | 2014 |
| Myths, magic and the middle ages : Dublin from its beginning to 1577 | Clarke, Howard B. | Article in Book | | 1995 |
| Neutral shores : Ireland and the Battle of the Atlantic | McShane, Mark | Monograph or Collective Volume | Mercier | 2012 |
| Neutrality, identity and the challenge of the Irish Volunteers | Roberts, Geoffrey | Article in Book | | 2004 |
| Newgrange : temple to life | O'Callaghan, Chris | Monograph or Collective Volume | Mercier Press | 2004 |
| Nice fellow : a biography of Jack Lynch | Dwyer, T. Ryle | Monograph or Collective Volume | Mercier Press | 2001 |
| Nine lives | Courtney, David | Monograph or Collective Volume | Mercier Press | 2008 |
| No way out : the Irish in wartime France, 1939-1945 | Ryan, Isadore | Monograph or Collective Volume | Mercier | 2017 |
| Northern Ireland : who is to blame? | Boyd, Andrew, 1921- | Monograph or Collective Volume | Mercier Press | 1984 |
| Notes on the early history of Cork Jewery | Ó Gráda, Cormac | Article in Book | | 2008 |
| Nurses as managers : a history of nursing management in Ireland and England | Carney, Maire | Article in Book | | 2005 |
| O'Connell and his family | O'Connell, Maurice R. | Article in Book | | 1980 |
| O'Connell and Rome | Edwards, R. W. D. (Robert Walter Dudley) | Article in Book | | 1980 |
| O'Connell and slavery | Riach, D. C. | Article in Book | | 1980 |
| O'Connell and the English radicals | D'Arcy, Fergus A., 1943- | Article in Book | | 1980 |
| O'Connell and the Irish American nationalist and political profiles | McCaffrey, Lawrence J., 1925- | Article in Book | | 1980 |
| O'Connell in the House of Commons | MacDonagh, Oliver | Article in Book | | 1980 |
| O'Connell, Cardinal Cullen and expatriate nationalism | Steele, D. | Article in Book | | 1980 |
| On my honour : one man's lifelong struggle to clear his name | Colvert, Brendon K. | Monograph or Collective Volume | Mercier Press | 2011 |
| On the run : the story of an Irish freedom fighter : a translation of Colm O'Gaora's Mise by Mícheál O'hAodha | O'Gaora, Colm, 1887-1954 | Monograph or Collective Volume | Mercier Press | 2011 |
| Once in a green summer | Walsh, Thomas F. | Monograph or Collective Volume | Mercier Press | 2001 |
| Opening address to the Conference, 19 October 1912. The 1912 Home Rule bill: then and now | Chilcott, Dominick | Article in Book | | 2014 |
| Operation brogue | Feehan, John | Monograph or Collective Volume | Mercier Press | 1984 |
| Our struggle for independence : eye-witness accounts from the pages of An Cosantóir | | Monograph or Collective Volume | Mercier Press | 2009 |
| Over the counter : Cork's retail heritage | Keogh, Clare | Monograph or Collective Volume | Mercier Press | 2008 |
| Paddy bogside | Doherty, PatrickHegarty, Peter | Monograph or Collective Volume | Mercier Press | 2001 |
| Padraic Pearse : a new biography | McCay, Hedley | Monograph or Collective Volume | Mercier Press | 1966 |
| Pádraig mac Piarais agus Éire lena linn | Ó Buachalla, Séamus | Monograph or Collective Volume | Cló Mercier | 1979 |
| Partition | Fanning, Ronan | Article in Book | | 1986 |
| Partners in struggle : the women of 1798 | Cullen, Mary | Article in Book | | 1998 |
| Party time : growing up in politics | Fallon, Johnny | Monograph or Collective Volume | Mercier Press | 2006 |
| Passing through | Hassett, Declan | Monograph or Collective Volume | Mercier Press | 2004 |
| Pathway to rebellion : Galway 1916 | Henry, William | Monograph or Collective Volume | Mercier Press | 2016 |
| Patrick Kavanagh and the Leader : the poet, the politician and the libel trial | Walsh, Pat, 1961- | Monograph or Collective Volume | Mercier | 2010 |
| Patrick Pearse : a life in pictures | Crowley, Brian | Monograph or Collective Volume | Mercier Press | 2013 |
| Pay bargaining : confrontation and consensus | Hardiman, Niamh | Article in Book | | 1994 |
| Peace by ordeal; an account from first-hand sources of the negotiation and signature of the Anglo-Irish treaty, 1921 | Pakenham, Francis Aungier, 7th earl of Longford, 1905-2001 | Monograph or Collective Volume | Mercier Press | 1952 |
| Peadar O'Donnell | Hegarty, Peter | Monograph or Collective Volume | Mercier Press | 1999 |
| Peter's key : Peter de Loughrey and the fight for Irish independence | Dunne, Declan | Monograph or Collective Volume | Mercier | 2012 |
| Petticoat rebellion : the Anna Parnell story | Groves, Patricia | Monograph or Collective Volume | Mercier Press | 2009 |
| Pirate Queen : the life of Grace O'Malley, 1530-1603 | Cook, Judith | Monograph or Collective Volume | Mercier Press | 2004 |
| Place and people into poetry | MacMahon, Bryan | Article in Book | | 1973 |
| Placenames and change in the Irish landscape | O'Flanagan, Patrick | Article in Book | | 1986 |
| Poems of Blathmac, son of Cú Brettan | Carney, James Patrick, 1914-1989 | Article in Book | | 1965 |
| Police casualties in Ireland, 1919-1922 | Abbott, Richard | Monograph or Collective Volume | Mercier Press | 2000 |
| Police casualties in Ireland, 1919-1922 | Abbott, Richard | Monograph or Collective Volume | Mercier Press | 2000 |
| Police casualties in Ireland, 1919-1922 | Abbott, Richard | Monograph or Collective Volume | Mercier Press | 2019 |
| Politics and change | Farrell, Brian | Article in Book | | 1986 |
| Population change in the 1950s : a statistical review | O'Hanlon, Gerard | Article in Book | | 2004 |
| Population growth and the Irish economy | Drake, Michael | Article in Book | | 1969 |
| Pre and post-famine landscape change | Whelan, Kevin | Article in Book | | 1995 |
| Preface | Póirtéir, Cathal | Article in Book | | 1998 |
| Preparing law for an emergency, 1938-1939 | Ó Longaigh, Seosamh | Article in Book | | 2004 |
| President Cosgrave's last administration | Nowlan, Kevin B. | Article in Book | | 1967 |
| Prisoners of war : Ballykinlar internment camp, 1920-1921 | Ó Duibhir, Liam | Monograph or Collective Volume | Mercier | 2013 |
| Providence my guide : the heroic force in the Knock shrine story | Coyne, JudyKennedy, Ethna | Monograph or Collective Volume | Mercier Press | 2004 |
| Public administration, 1927-1936 | Barrington, T. J. | Article in Book | | 1967 |
| Public holidays, commemoration and identity in Ireland, north and south, 1920-60 | Walker, B. M. (Brian Mercer) | Article in Book | | 2003 |
| Pure Cork | Lenihan, Michael | Monograph or Collective Volume | Mercier | 2012 |
| Quotations from Eamon de Valera | De Valera, EamonMac Aonghusa, Proinsias | Monograph or Collective Volume | Mercier Press | 1983 |
| Quotations from P. H. Pearse | Mac Aonghusa, ProinsiasPearse, Patrick Henry, 1879-1916 | Monograph or Collective Volume | Mercier Press | 1979 |
| Race, nation and empire in the Irish music of Sir Charles Villiers Stanford | Murphy, Michael | Article in Book | | 1998 |
| Raids and rallies : the classic account | O'Malley, Ernie (Ernest Bernard), 1897-1957 | Monograph or Collective Volume | Mercier Press | 2011 |
| Rambles around Donegal | Campbell, Patrick J. | Monograph or Collective Volume | Mercier Press | 1981 |
| Reacting to war : finance and the economy, 1938-1940 | McCarthy, Andrew | Article in Book | | 2004 |
| Reading and writing | McGahern, John, 1934-2006 | Article in Book | | 2003 |
| Reasonable doubt : the case for the UDR four | Paisley, Ian, Jr. | Monograph or Collective Volume | Mercier Press | 1991 |
| Rebel Cork's fighting story, 1916-1921, told by the men who made it : with a unique pictorial record | Anonymous | Monograph or Collective Volume | Mercier Press | 2009 |
| Rebel heart : George Lennon : flying column commander | O'Reilly, Terence | Monograph or Collective Volume | Mercier | 2009 |
| Rebel Kerry : from the pages of the Kerryman | | Monograph or Collective Volume | Mercier Press | 2017 |
| Reclaiming the republican tradition | Honohan, Iseult | Article in Book | | 2005 |
| Recovering the cargo of the Julia : salvage, law and the killing of 'wreckers' in Conamara in 1873 | Cunningham, John, 1957- | Article in Book | | 2011 |
| Reflecting on Ireland in the 1950s | Fallon, Brian | Article in Book | | 2004 |
| Regulating midwives : the role of the Royal College of Physicians of Ireland (RCPI) | McMahon, Anne | Article in Book | | 2005 |
| Remember ... its for Ireland : a family memoir of Tomás mac Curtain | Mac Curtain, Fionnuala | Monograph or Collective Volume | Mercier Press | 2006 |
| Remembering : our shared legacy from the First World War | | Monograph or Collective Volume | Yes! Publications | 2009 |
| Renegades : Irish republican women, 1900-1922 | Matthews, Ann | Monograph or Collective Volume | Mercier Press | 2010 |
| Republic : a hope mislaid? | Kotsonouris, Mary | Article in Book | | 2005 |
| Requiem for a spy : the killing of Robert Nairac | Bradley, Anthony | Monograph or Collective Volume | Mercier Press | 1992 |
| Restless spirit : the story of Rose Quinn | Hawkins, Margaret | Monograph or Collective Volume | Mercier Press | 2006 |
| Revolution : a photographic history of revolutionary Ireland, 1913-1923 | O'Ruairc, Pádraig Óg | Monograph or Collective Volume | Mercier Press | 2014 |
| Revolution : a photographic history of revolutionary Ireland, 1913-1923 | Ó Ruairc, Pádraig Óg | Monograph or Collective Volume | Mercier Press | 2014 |
| Revolution in Connacht : a photographic history, 1913-23 | Ó Comhraí, Cormac | Monograph or Collective Volume | Mercier | 2013 |
| Revolution in Dublin : a photographic history, 1913-23 | | Monograph or Collective Volume | Mercier | 2013 |
| Riotous assemblies : rebels, riots and revolts in Ireland | | Monograph or Collective Volume | Mercier | 2011 |
| Riots in Limerick, 1820-1900 | McGrath, John | Article in Book | | 2011 |
| Ripples in the pool | Warke, R. A. | Monograph or Collective Volume | Mercier Press | 1993 |
| Robert Emmet | McMahon, Sean | Monograph or Collective Volume | Mercier Press | 2001 |
| Robert Whyte's 1847 famine ship diary : the journey of an Irish coffin ship | | Monograph or Collective Volume | Mercier Press | 1994 |
| Robert Whyte's 1847 famine ship diary : the journey of an Irish coffin ship | Mangan, James T.Whyte, Robert | Monograph or Collective Volume | Mercier Press | 1994 |
| Róise Rua: an island memoir | Ua Cnáimhsí, Pádraig | Monograph or Collective Volume | Mercier | 2009 |
| Rory Gallagher : a biography | Carson, LornaCoghe, Jean NöelSteer, Brian | Monograph or Collective Volume | Mercier Press | 2002 |
| Roscrea | Cunningham, George | Article in Book | | 1995 |
| Sarsfield and the Jacobites | Haddick-Flynn, Kevin | Monograph or Collective Volume | Mercier Press | 2003 |
| Scene and obscene : childbirth in Ireland, 1650-1750 | Devane, DeclanMurphy-Lawless, Jo | Article in Book | | 2005 |
| Scoundrels all -- priests and prelates in '98 | Keogh, Dáire | Article in Book | | 1998 |
| Seán Moylan : rebel leader | Carroll, Aideen | Monograph or Collective Volume | Mercier Press | 2010 |
| Seán Ó Cróinín a bhailige; Aindrias Ó Muimhneacháin a chuir in eagar | Seanchas an táilliúra | Monograph or Collective Volume | Cló Mercier | 1978 |
| Seán Treacy and the Tan War | Ambrose, Joseph G. | Monograph or Collective Volume | Mercier Press | 2007 |
| Secret victory : Ireland and the war at sea, 1914-1918 | Nolan, John E.Nolan, Liam, | Monograph or Collective Volume | Mercier | 2009 |
| Self-portrait | Keane, J. B. | Monograph or Collective Volume | Mercier Press | 1965 |
| Send 'em home sweatin' : the showband story | Power, Vincent | Monograph or Collective Volume | Mercier Press | 2000 |
| Shadow of the Brotherhood : the Temple Bar shootings | Kennerk, Barry | Monograph or Collective Volume | Mercier | 2010 |
| Shadows of doubt | Redican, Noel | Monograph or Collective Volume | Mercier Press | 2008 |
| Shannon through her literature | O'Farrell, Padraic | Monograph or Collective Volume | Mercier Press | 1983 |
| She must be content to be their servant as well as their teacher : the early years of district nursing in Ireland | Wickham, Ann | Article in Book | | 2005 |
| Six generations : life and work in Ireland from 1790 | Cullen, L. M. (Louis Michael) | Monograph or Collective Volume | Mercier Press | 1970 |
| Sligo | O'Dowd, Mary | Article in Book | | 1994 |
| Small wonders | Kenneally, Christy | Monograph or Collective Volume | Mercier Press | 2005 |
| Social life in Ireland 1927-1937 | White, Terence De Vere | Article in Book | | 1967 |
| Some civil and ecclesiastical territorial divisions and their geographical significance | Nolan, William | Article in Book | | 1986 |
| Songs of struggle and protest | McDonnell, John, 1946- | Monograph or Collective Volume | Irish Labour History Society | 2008 |
| Soul of fire : a biography of Mary MacSwiney | Fallon, Charlotte H. | Monograph or Collective Volume | Mercier Press | 1986 |
| Souperism : myth or reality? A study of Catholics and Protestants during the Great Famine | Bowen, Desmond | Monograph or Collective Volume | Mercier Press | 1970 |
| St Stephen's Green : a history of the Green and its environs : the sights, sounds, characters and events | Hopkins, Frank | Monograph or Collective Volume | Mercier Press | 2020 |
| State violence in Northern Ireland, 1969-1997 | Murray, Raymond | Monograph or Collective Volume | Mercier Press | 1998 |
| Stories from a sacred landscape : Crogan Hill to Clonmacnoise | O'Brien, Caimin | Monograph or Collective Volume | Offaly County Council|Mercier Press | 2006 |
| Stories from the tailor | | Monograph or Collective Volume | Mercier Press | 1990 |
| Suicide and the Irish | Kelleher, Michael J. | Monograph or Collective Volume | The Mercier Press | 1996 |
| Supreme sacrifice : the story of Éamonn Ceannt, 1881-1916 | Henry, William | Monograph or Collective Volume | Mercier Press | 2005 |
| Swift and the Gaelic tradition | Mercier, Vivian | Article in Journal | | 1962 |
| Swift as poet | Donoghue, Denis | Article in Book | | 1968 |
| Swift revisited | | Monograph or Collective Volume | Mercier Press | 1968 |
| Taking a stand : memoir of an Irish priest | McVeigh, Joe | Monograph or Collective Volume | Mercier Press | 2008 |
| Tans, terror and troubles : Kerry's real fighting story, 1913-1923 | Dwyer, T. Ryle | Monograph or Collective Volume | Mercier Press | 2001 |
| That was the way of it | Barr, KathleenDevlin, P. J. | Monograph or Collective Volume | Mercier Press | 2001 |
| That'll never work : success stories from private Irish business | Gaffney, MichaelO'Brien, Colin | Monograph or Collective Volume | Mercier Press | 2008 |
| That's how it was | Danaher, Kevin, 1913-2002 | Monograph or Collective Volume | Mercier Press | 1984 |
| The 'unwilling bosom whereon it was set' : Bowen's Court and the fields of north Cork | Walshe, Eibhear | Article in Book | | 2008 |
| The 1830s tithe riots | Higgins-McHugh, Noreen | Article in Book | | 2011 |
| The 1916 diaries of an Irish rebel and a British soldier | | Monograph or Collective Volume | Mercier Press | 2014 |
| The act of union | McGuire, James | Article in Book | | 1986 |
| The aftermath of the Irish civil war | Garvin, Tom | Article in Book | | 2003 |
| The All-for-Ireland League and the Home Rule debate, 1910-14 | O'Donovan, John | Article in Book | | 2014 |
| The American identity of de Valera | Edwards, Owen Dudley | Article in Book | | 2003 |
| The Anglo-Normans and their English dialect of south-east Wexford | Ó Muirithe, Diarmaid | Article in Book | | 1977 |
| The Anne Devlin jail journal faithfully written down by Luke Cullen | Devlin, AnneFinegan, John | Monograph or Collective Volume | Mercier Press | 1968 |
| The archaeology of the Celts in Ireland | Raftery, Joseph | Article in Book | | 1964 |
| The archaeology of the continental Celts | Frey, Otto-Herman | Article in Book | | 1964 |
| The ballad tradition in north Kerry and west Limerick | McMahon, Garry | Article in Book | | 2005 |
| The Bally Cotton Job: An incredible true story of IRA Pirates | Mahon Thomas | Monograph or Collective Volume | Mercier Press | 20 |
| The Ballycotton job : an incredible true story of IRA pirates | Mahon, Tom | Monograph or Collective Volume | Mercier Press | 2022 |
| The barrracks : a history of Victoria/Collins Barracks, Cork | Harvey, DanWhite, Gerry | Monograph or Collective Volume | Mercier Press | 1997 |
| The battle for Kilmallock | O'Callaghan, John | Monograph or Collective Volume | Mercier Press | 2011 |
| The battle for Limerick city | Ó'Ruairc, Pádraig Óg | Monograph or Collective Volume | Mercier Press | 2010 |
| The battle of Aughrim | Murtagh, Diarmuid | Article in Book | | 1964 |
| The battle of Benburb | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Book | | 1964 |
| The battle of Benburb, 1646 | Hollick, Clive | Monograph or Collective Volume | Mercier Press | 2011 |
| The battle of Clontarf | Ryan, John | Article in Book | | 1964 |
| The battle of Faughart | Sayles, George Osborne | Article in Book | | 1964 |
| The battle of New Ross | Dickson, Charles, 1886-1978 | Article in Book | | 1964 |
| The battle of the Yellow Ford | Falls, Cyril Bentham | Article in Book | | 1964 |
| The battler for Cork : July - August 1922 | Borgonovo, John | Monograph or Collective Volume | Mercier | 2011 |
| The bedside book of Irish folklore | Ó Catháin, Séamas | Monograph or Collective Volume | Mercier Press | 1988 |
| The beginnings of Fenianism | Green, E. R. R. | Article in Book | | 1968 |
| The Belfast blitz, 1941 | Bardon, Jonathan, 1941- | Article in Book | | 2004 |
| The best of Connolly | Connolly, James, 1868-1916 | Monograph or Collective Volume | Mercier Press | 1967 |
| The best of Tone | Mac Aonghusa, ProinsiasTone, Theobald Wolfe, 1763-1798Ó Réagáin, Liam | Monograph or Collective Volume | Mercier Press | 1972 |
| The blueshirts | Thornley, David | Article in Book | | 1967 |
| The Bruen loop : the Jimmy Bruen story | Crosbie, George F. | Monograph or Collective Volume | Mercier Press | 1998 |
| The builders of the Boyne tombs | Mitchell, Frank | Article in Book | | 1986 |
| The burning of Cork | O'Shea, BrendanWhite, Gerry, 1957-, | Monograph or Collective Volume | Mercier Press | 2006 |
| The burnings 1920 | Lawlor, Pearse | Monograph or Collective Volume | Mercier Press | 2009 |
| The castles of county Cork | Healy, James N. | Monograph or Collective Volume | Mercier Press | 1988 |
| The Catholic Church, the Holy See and the 1916 Rising | Keogh, Dermot | Article in Book | | 2007 |
| The Celtic aftermath in the islands | Jackson, Kenneth | Article in Book | | 1964 |
| The Celtic languages | Greene, David | Article in Book | | 1964 |
| The Celts | | Monograph or Collective Volume | Mercier Press | 1964 |
| The Celts and classical authors | Tierney, James | Article in Book | | 1964 |
| The centenary commemoration of the third Home Rule crisis | Doherty, Gabriel | Article in Book | | 2014 |
| The challenge of a Collins biography | Lee, J.J. (John Joseph), 1942- | Article in Book | | 1998 |
| The chosen few : exploding myths in south Armagh | MacDonald, Darach | Monograph or Collective Volume | Mercier Press | 2000 |
| The church and change | Fisher, Desmond | Article in Book | | 1986 |
| The Civic Guard mutiny | McCarthy, Brian | Monograph or Collective Volume | Mercier | 2012 |
| The civic guard mutiny | McCarthy, Brian | Monograph or Collective Volume | Mercier | 2012 |
| The civil war in Ireland | Neeson, Eoin | Monograph or Collective Volume | Mercier Press | 1966 |
| The civil war in Ireland, 1922-23 | Neeson, Eoin | Monograph or Collective Volume | Mercier Press | 1969 |
| The civil war in Kerry | Doyle, Thomas | Monograph or Collective Volume | Mercier Press | 2008 |
| The civil war in Kildare | Durney, James | Monograph or Collective Volume | Mercier | 2011 |
| The civil war, 1922-23 | Purdon, Edward | Monograph or Collective Volume | Mercier Press | 2000 |
| The Clann : the story of Clann na Poblachta | Rafter, Kevin | Monograph or Collective Volume | Mercier Press | 1996 |
| The collectors of Irish dialect material | Quin, E. G. | Article in Book | | 1977 |
| The comic history of Irish politics | MacGrath, Myler | Monograph or Collective Volume | Mercier Press | 1978 |
| The coming of Christianity | De Paor, Liam | Article in Book | | 1986 |
| The coming revolution : political writings and speeches of Patrick Pearse | Pearse, Patrick Henry, 1879-1916 | Monograph or Collective Volume | Mercier Press | 2012 |
| The commemoration of the ninetieth anniversary of the Easter Rising | Doherty, Gabriel | Article in Book | | 2007 |
| The Commission on Emigration, 1948-1954 | Connolly, Tracey | Article in Book | | 2004 |
| The concept of Ireland | Herries Davies, Gordon L. | Article in Book | | 1986 |
| The convicts : transportation from Ireland | Costello, Con | Article in Book | | 1984 |
| The Course of Irish history | | Monograph or Collective Volume | Mercier Press | 1967 |
| The course of Irish history | | Monograph or Collective Volume | Mercier Press in association with Radio Telefís Éireann | 1994 |
| The creation of RTE and the impact of television | Mac Conghail, Muiris | Article in Book | | 1984 |
| The crozier and the Dáil : church and state in Ireland | Cooney, John | Monograph or Collective Volume | Mercier Press | 1986 |
| The cultural geography of rural Ireland in the twentieth century | Smyth, W. J. (William John), 1944- | Article in Book | | 1986 |
| The curious case of the Mayo librarian | Walsh, Pat | Monograph or Collective Volume | Mercier | 2009 |
| The Dan Breen story | Ambrose, Joseph G. | Monograph or Collective Volume | Mercier Press | 1981 |
| The days of the servant boy | O'Donnell, Liam | Monograph or Collective Volume | Mercier Press | 1997 |
| The dean and the drapier | Kinkead-Weekes, Mark | Article in Book | | 1968 |
| The death of the Irish language | Walsh, Richard B. | Article in Book | | 1986 |
| The development of Irish trade unions | McCarthy, Charles | Article in Book | | 1980 |
| The diary of an Irish countryman 1827-1835 | De Bhaldraithe, TomásÓ Súilleabháin, Amhlaoibh | Monograph or Collective Volume | Mercier Press | 1993 |
| The diary of Humphrey O'Sullivan 1827-35 | De Bhaldraithe, Tomás | Monograph or Collective Volume | Mercier Press | 1979 |
| The diary of Humphrey O'Sullivan, 1827-1835 | O'Sullivan, Humphrey | Monograph or Collective Volume | Mercier Press | 1979 |
| The dominance of the English language in the 19th century | de Fréine, Seán | Article in Book | NA | 1977 |
| The Donegal awakening : Donegal & the War of Independence | Ó Duibhir, Liam | Monograph or Collective Volume | Mercier | 2009 |
| The Dublin parliamentary elections, 1613 | Carroll, Stephen | Article in Book | | 2011 |
| The Easter Proclamation of 1916 and the democratic programme | Mansergh, Martin | Article in Book | | 2005 |
| The Easter Rising in the context of censorship and propaganda with special reference to Major Ivon Price | Murphy, Brian P. | Article in Book | | 2007 |
| The English language in Ireland | | Monograph or Collective Volume | Mercier Press | 1977 |
| The Ernie O'Malley story | O'Farrell, Padraic | Monograph or Collective Volume | Mercier Press | 1983 |
| The estate system of landholding in nineteenth-century Ireland | Hughes, T. Jones (Thomas Jones) 1922-2011 | Article in Book | | 1986 |
| The European economic community | Murphy, John A. | Article in Book | | 1986 |
| The fall of Dublin : 28 June to 5 July 1922 | Gillis, Liz | Monograph or Collective Volume | Mercier Press | 2011 |
| The family in transition | Kennedy, Finola | Article in Book | | 1986 |
| The famine and post-famine adjustment | Whelan, Kevin | Article in Book | | 1986 |
| The famine in the Skibbereen Union (1845-51) | Hickey, Patrick | Article in Book | | 1995 |
| The Fenian anthology | Ambrose, Joseph G. | Monograph or Collective Volume | Mercier Press | 2008 |
| The Fenian movement | | Monograph or Collective Volume | Mercier Press | 1968 |
| The Fenian movement : a select bibliography | Moody, T. W. (Theodore William), 1907-1984 | Article in Book | | 1968 |
| The Fenian rising of 1867 | Nowlan, Kevin B. | Article in Book | | 1968 |
| The First World War and the Rising : mode, moment and memory | Jeffery, Keith | Article in Book | | 2007 |
| The flight of the earls | Mac Curtain, Margaret | Article in Book | | 1986 |
| The folk-hero and tradition | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 1980 |
| The formation of the Irish economy | | Monograph or Collective Volume | Mercier Press | 1969 |
| The founding of the Gaelic League | Greene, David | Article in Book | | 1972 |
| The founding of the Gaelic League | McCartney, Donal | Article in Book | | 1986 |
| The French are in the bay : the expedition to Bantry Bay, 1796 | | Monograph or Collective Volume | Mercier Press | 1997 |
| The Gaelic League - a spent force? | Devlin, Brendan | Article in Book | | 1972 |
| The Gaelic League and other national movements | Nowlan, Kevin B. | Article in Book | | 1972 |
| The Gaelic League idea | | Monograph or Collective Volume | Mercier Press | 1973 |
| The Gaelic League idea in the future | Ó Tuama Seán | Article in Book | | 1972 |
| The glitterin' man : Bryan MacMahon as storyteller | O'Donoghue, Bernard | Article in Book | | 2005 |
| The gold discovery 1851-1880 and Ireland | Bolton, G. C. (Geoffrey Curgenven) | Article in Book | | 1984 |
| The gold sun of Irish freedom : 1798 in song and story | Doyle, DannyFolan, Terence | Monograph or Collective Volume | Mercier Press | 1998 |
| The Golden Jubilee of the 1916 Easter Rising | O'Dwyer, Rory | Article in Book | | 2007 |
| The great controversy | Ó Fiaich Tomás | Article in Book | | 1972 |
| The great famine and Irish politics | Connolly, Sean J. | Article in Book | | 1995 |
| The great famine and today's famines | Ó Gráda, Cormac | Article in Book | | 1995 |
| The Great Famine in Tralee and north Kerry | MacMahon, Bryan | Monograph or Collective Volume | Mercier | 2017 |
| The great Irish famine | | Monograph or Collective Volume | Mercier Press in association with Radio Telefís Éireann | 1995 |
| The great Irish rebellion of 1798 | | Monograph or Collective Volume | Mercier Press in association with Radio Telefís Éireann | 1998 |
| The great O'Neill. A biography of Hugh O'Neill, Earl of Tyrone, 1550-1616 | O'Faolain, Sean | Monograph or Collective Volume | Longmans Green ; Mercier Press | 1942 |
| The great protestant meeting of Dungannon, 1834 | Curran, Daragh | Article in Book | | 2011 |
| The great Tyrconnel : a chapter in Anglo-Irish relations | Petrie, Charles Alexander, Sir | Monograph or Collective Volume | Mercier Press | 1972 |
| The growth and decline of an industrial city : Belfast from 1750 | Royle, Stephen A. (Stephen Arthur) | Article in Book | | 1995 |
| The growth of government | Walsh, Brendan M. | Article in Book | | 1986 |
| The Grubbs of Tipperary : Studies in Heredity and character | Grubb, Geoffrey Watkins | Monograph or Collective Volume | The Mercier Press | 1972 |
| The Hales brothers and the Irish revolution | Gillis, Liz | Monograph or Collective Volume | Mercier | 2016 |
| The hearth and stool and all : Irish rural households | Danaher, Kevin, 1913-2002 | Monograph or Collective Volume | Mercier Press | 1986 |
| The history and topography of the county of Clare : from the earliest times to the beginning of the 18th century | Frost, James D. | Monograph or Collective Volume | Mercier Press | 1978 |
| The home life of Padraig Pearse as told by himself, his family and friends | | Monograph or Collective Volume | Mercier Press | 1978 |
| The Home Rule crisis, 1912-14 | | Monograph or Collective Volume | Mercier | 2014 |
| The Horgan brothers : the Irish Lumières | Clancy, Darina ; Horgan, Jim ; Horgan Whyte, Patricia | Monograph or Collective Volume | Mercier Press | 2025 |
| The I.R.B. and the 1916 insurrection | | Monograph or Collective Volume | Mercier Press | 1957 |
| The idea of a town in Bantry | Hourihan, Kevin | Article in Book | | 1997 |
| The image of O'Connell in Australia | O'Farrell, Patrick James | Article in Book | | 1980 |
| The industrialisation of the north-east | Goldstrom, J. M. | Article in Book | | 1969 |
| The influence of O'Connell on French liberal Catholicism | Rollet, Henri | Article in Book | | 1980 |
| The informers : a chilling account of the supergrasses in Northern Ireland | Boyd, Andrew, 1921- | Monograph or Collective Volume | Mercier Press | 1984 |
| The Irish aboard the Titanic | Molony, Senan | Monograph or Collective Volume | Mercier Press | 2012 |
| The Irish at war | | Monograph or Collective Volume | Mercier Press | 1964 |
| The Irish Citizen Army | Matthews, Ann | Monograph or Collective Volume | Mercier | 2014 |
| The Irish comic tradition | Mercier, Vivian | Monograph or Collective Volume | [s.n.] | 1962 |
| The Irish concert soloist | Tinney, Hugh | Article in Book | | 1998 |
| The Irish donkey | Swinfen, Averil | Monograph or Collective Volume | Mercier Press | 1969 |
| The Irish economy in the eighteenth century | Cullen, L. M. (Louis Michael) | Article in Book | | 1969 |
| The Irish famine, 1845-52 | Purdon, Edward | Monograph or Collective Volume | Mercier Press | 2000 |
| The Irish in Australia, 1945-68 | O'Brien, John | Article in Book | | 1984 |
| The Irish regiments in the first world war | Harris, H. E. D. | Monograph or Collective Volume | Mercier Press | 1968 |
| The Irish short story and oral tradition | Mercier, Vivian | Article in Book | | 1964 |
| The Irish trade union movement in the nineteenth century | D'Arcy, Fergus A., 1943- | Article in Book | | 1994 |
| The king of the Claddagh | Fitzpatrick, ThomasMorrissey, Una | Monograph or Collective Volume | Mercier Press | 1979 |
| The land war | Lee, J.J. (John Joseph), 1942- | Article in Book | | 1986 |
| The legacy of history for making peace in Ireland | Mansergh, Martin | Monograph or Collective Volume | Mercier Press | 2003 |
| The life and death of Michael Collins | Neeson, Eoin | Monograph or Collective Volume | Mercier Press | 1968 |
| The life of Jonathan Swift | McHugh, Roger Joseph | Article in Book | | 1968 |
| The literary scene | Mercier, Vivian | Article in Book | | 1980 |
| The literature of the period | MacManus, Francis | Article in Book | | 1967 |
| The lost decade : Ireland in the 1950s | | Monograph or Collective Volume | Mercier Press | 2004 |
| The love story of Parnell and Katherine O'Shea | Brady, Margaret | Monograph or Collective Volume | Mercier Press | 1991 |
| The love story of W.B Yeats and Maud Gonne | Brady, Margery | Monograph or Collective Volume | Mercier Press | 1990 |
| The magic of West Cork | Murphy, Pat | Monograph or Collective Volume | Mercier Press | 1978 |
| The making of the Celtic tiger : the inside story of Ireland's boom economy | MacSharry, RayWhite, Padraic A. | Monograph or Collective Volume | Mercier Press | 2000 |
| The making of the Irish Constitution 1937 : Bunreacht na hÉireann | Keogh, DermotMcCarthy, Andrew J. | Monograph or Collective Volume | Mercier Press | 2007 |
| The Manchester Martyrs | O'Neill, Joseph | Monograph or Collective Volume | Mercier | 2012 |
| The master in context : Bryan MacMahon and other literary masters and mistresses (and of the vagaries of literary reputation) | O'Donoghue, Jo | Article in Book | | 2005 |
| The media and Irish culture | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 1984 |
| The memoirs of Constable Jeremiah Mee, R.I.C. | Gaughan, J. Anthony, 1932- | Monograph or Collective Volume | Mercier | 2012 |
| The men will talk to me : Clare interviews by Ernie O’Malley | O'Malley, Ernie (Ernest Bernard), 1897-1957 | Monograph or Collective Volume | Mercier Press | 2016 |
| The men will talk to me : Mayo interviews by Ernie O'Malley | O'Malley, Ernie (Ernest Bernard), 1897-1957 | Monograph or Collective Volume | Mercier | 2014 |
| The men will talk to me: Galway interviews by Ernie O'Malley | O'Malley, Ernie (Ernest Bernard), 1897-1957 | Monograph or Collective Volume | Mercier Press | 2013 |
| The men will talk to me: Kerry interviews by Ernie O'Malley | O'Malley, Ernie (Ernest Bernard), 1897-1957 | Monograph or Collective Volume | Mercier Press | 2012 |
| The Mercier book of old Irish street ballads | Healy, James Nagle | Monograph or Collective Volume | [s.n.] | 1967 |
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O Daly, Máirín | Article in Book | | 1965 |
| The minority problem in the 26 counties | Lyons, F. S. L. (Francis Stewart Leland) | Article in Book | | 1967 |
| The missing postman: what really happened to Larry Griffin? | Ó Drisceoil, Fachtna | Monograph or Collective Volume | Mercier Press | 2011 |
| The Munster republic : the civil war in north Cork | Harrington, Michael | Monograph or Collective Volume | Mercier Press | 2009 |
| The murder machine and other essays | Pearse, Patrick Henry, 1879-1916 | Monograph or Collective Volume | Mercier Press | 1976 |
| The murder of Dr Muldoon : a suspect priest, a widow's fight for justice | Boyle, KenDesmond, Tim | Monograph or Collective Volume | Mercier Press | 2019 |
| The Murnaghan memos : Catholic concerns with the third Home Rule bill, 1912 | Mulvagh, Conor | Article in Book | | 2014 |
| The Murphy's story : the history of Lady's Well Brewery, Cork | Ó Drisceoil, DiarmuidÓ Drisceoil, Donal | Monograph or Collective Volume | Murphy / Mercier Press | 1997 |
| The Norman invasion of 1169 | Richter, Michael, 1943-2011 | Article in Book | | 1986 |
| The nun of Kenmare | Eager, I. F. | Monograph or Collective Volume | Mercier Press | 1970 |
| The old school tie : no. 3, Portora Royal School, Enniskillen | Mercier, Vivian | Article in Journal | | 1946 |
| The operations of famine relief, 1845-57 | Daly, Mary E. | Article in Book | | 1995 |
| The origin of Irish towns | Simms, Anngret | Article in Book | | 1994 |
| The origins of the press in Ireland | Nowlan, Kevin B. | Article in Book | | 1984 |
| The other great Irish famine | Dickson, David | Article in Book | | 1995 |
| The outrages, 1920-1922 : the IRA and the Ulster special Constabulary in the border campaign | Lawlor, Pearse | Monograph or Collective Volume | Mercier Press | 2011 |
| The Passion Machine Theatre Company's everyday life | Onkey, Lauren | Article in Book | | 2000 |
| The path to freedom : articles and speeches of Michael Collins | Collins, Michael, 1890-1922 | Monograph or Collective Volume | Mercier Press | 2018 |
| The path to freedom: articles and speeches | Collins, Michael, 1890-1922 | Monograph or Collective Volume | Mercier Press | 2012 |
| The Peeler's notebook : Policing Victorian Dublin, mad dogs, duels and dynamite | Kennerk, Barry | Monograph or Collective Volume | Mercier Press | 2019 |
| The persistence of famine in Ireland | O'Neill, Timothy P. | Article in Book | | 1995 |
| The persistence of Liberal Unionism in Irish politics, 1886-1912 | Cawood, Ian | Article in Book | | 2014 |
| The Phoenix Park murders : conspiracy, betrayal and retribution | Moloney, Senan, 1963- | Monograph or Collective Volume | Mercier | 2006 |
| The place of Daniel O'Connell in the liberal Catholic movement of the nineteenth century | Conzemius, Victor | Article in Book | | 1980 |
| The plantations of Ulster | Clarke, Aidan | Article in Book | | 1986 |
| The pleasures of Gaelic literature | | Monograph or Collective Volume | Mercier Press in association with Radio Telefís Éireann | 1977 |
| The political role of the media in contemporary Ireland | Chubb, Basil | Article in Book | | 1984 |
| The political scene in Northern Ireland, 1926-1937 | McCracken, J. L. | Article in Book | | 1967 |
| The politics of comparison : the racialisaion of Home Rule in British science, politics and print, 1886-1923 | Schownir, Matthew | Article in Book | | 2014 |
| The prime informant : the life and times of "the Sham Squire" Francis Higgins (1746-1802) | Bartlett, Thomas | Article in Book | | 1998 |
| The railways in the Irish economy | Lee, J.J. (John Joseph), 1942- | Article in Book | | 1969 |
| The real chief : Liam Lynch | Ryan, Meda | Monograph or Collective Volume | Mercier Press | 2005 |
| The real chief : the story of Liam Lynch | Ryan, Meda | Monograph or Collective Volume | Mercier Press | 1986 |
| The rector who wouldn't pray for rain | Semple, Patrick | Monograph or Collective Volume | Mercier Press | 2007 |
| The regional dimension | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 1986 |
| The religious epic | Greene, David | Article in Book | | 1965 |
| The Republic | | Monograph or Collective Volume | Mercier Press | 2005 |
| The republic of Ireland | O'Connor, Lysaght D. R. | Monograph or Collective Volume | Mercier Press | 1970 |
| The rise and decline of Fianna Fáil | Boland, Kevin | Monograph or Collective Volume | Mercier Press | 1982 |
| The rise of the linen industry | Crawford, W. H. (William Henry) | Article in Book | | 1969 |
| The role of the leaders : Asquith, Churchill, Balfour, Bonar Law, Carson and Redmond | Mansergh, Martin | Article in Book | | 2014 |
| The role of the poor law during the famine | Kinealy, Christine | Article in Book | | 1995 |
| The SAS in Ireland | Murray, Raymond | Monograph or Collective Volume | Mercier Press | 1990 |
| The SAS in Ireland | Murray, Raymond | Monograph or Collective Volume | Mercier Press | 2004 |
| The Scariff martyrs : war, murder and memory in East Clare | Mac Conmara, Tomás | Monograph or Collective Volume | Mercier Press | 2021 |
| The schoolmaster in the new state | Coolahan, John | Article in Book | | 2005 |
| The Seán Mac Eoin story | O'Farrell, Padraic | Monograph or Collective Volume | Mercier Press | 1981 |
| The secret war | McArdle, Patsy | Monograph or Collective Volume | Mercier Press | 1984 |
| The settlers : immigration from Ireland in the nineteenth century | Fitzpatrick, David | Article in Book | | 1984 |
| The shaping of Ireland : the geographical perspective | | Monograph or Collective Volume | Mercier Press in association with Radio Telefís Éireann | 1986 |
| The Sheela-na-gigs of Ireland and Britain : an illustrated guide | McMahon, JoanneRoberts, Jack | Monograph or Collective Volume | Mercier Press | 2001 |
| The shooting of Michael Collins | Feehan, John | Monograph or Collective Volume | Mercier Press | 1981 |
| The Sisters of Mercy in the Crimean war | Bolster, Evelyn | Monograph or Collective Volume | Mercier Press | 1965 |
| The skelper and me: a memoir of making history in Derry | Doherty, Tony | Monograph or Collective Volume | Mercier Press | 2019 |
| The South Munster region in the 1790s | Dickson, David | Article in Book | | 1997 |
| The spirit of the nation : the speeches and statements of Charles J. Haughey (1957-1985) | Haughey, Charles J.Mansergh, Martin | Monograph or Collective Volume | Mercier Press | 1986 |
| The squad and the intelligence operations of Michael Collins | Dwyer, T. Ryle | Monograph or Collective Volume | Mercier Press | 2005 |
| The state of Ireland before 1798 | Dickson, David | Article in Book | | 1998 |
| The statesman : a study of the role of Charles J. Haughey in the Ireland of tomorrow | Feehan, John | Monograph or Collective Volume | Mercier Press | 1985 |
| The stigma of souperism | Whelan, Irene | Article in Book | | 1995 |
| The story of Cork | Beecher, Seán | Monograph or Collective Volume | Mercier Press | 1971 |
| The story of Irish emigration | D'Arcy, Frank | Monograph or Collective Volume | Mercier Press | 1999 |
| The story of Kilkenny | Jackson, Robert Wyse | Monograph or Collective Volume | Mercier Press | 1974 |
| The story of Limerick | Jackson, Robert Wyse | Monograph or Collective Volume | Mercier Press | 1973 |
| The story of Matt Talbot | Carroll, Malachy Gerard | Monograph or Collective Volume | Mercier Press | 1948 |
| The story of Michael Collins | Ní Dheirg, Íosold | Monograph or Collective Volume | Mercier Press | 2017 |
| The story of Monto : an account of Dublin's notorious red light district | Finegan, John | Monograph or Collective Volume | Mercier Press | 1978 |
| The storyteller : an autobiography | Kelly, Éamon | Monograph or Collective Volume | Mercier Press | 2004 |
| The study of Irish country towns | Andrews, J. H. (John Harwood) | Article in Book | | 1995 |
| The sum of things | Boyle, J. W. (John William) | Article in Book | | 1966 |
| The third Home Rule bill in British history | Biagini, Eugenio | Article in Book | | 2014 |
| The time of the Tans : an oral history of the War of Independence in County Clare | Mac Conmara, Tomás | Monograph or Collective Volume | Mercier Press | 2019 |
| The Tom Barry story | Ryan, Meda | Monograph or Collective Volume | Mercier Press | 1982 |
| The trade union movement in Northern Ireland | Cradden, Terry | Article in Book | | 1994 |
| The two faces of Irish industrial relations | Fogarty, Michael | Article in Book | | 1986 |
| The Ulster crisis : prelude to 1916? | Boyce, David George, 1942- | Article in Book | | 2007 |
| The Ulster question, 1603-1973 | Moody, T. W. (Theodore William), 1907-1984 | Monograph or Collective Volume | Mercier Press | 1974 |
| The Ulster Volunteer Force, 1913-14 | Bowman, Timothy | Article in Book | | 2014 |
| The Unionjacking of Ireland | O'Brien, Jack | Monograph or Collective Volume | Mercier Press | 1993 |
| The unreal republic | O'Toole, Fintan | Article in Book | | 2005 |
| The vanishing Irish? the exodus from Ireland in the 1950s | Delaney, Enda | Article in Book | | 2004 |
| The vasectomy doctor : a memoir | Rynne, Andrew, fl. 1980-2000 | Monograph or Collective Volume | Mercier Press | 2005 |
| The Verona homily collection and its Irish connections | Martin, Lawrence T. | Article in Book | | 1998 |
| The war of independence | Purdon, Edward | Monograph or Collective Volume | Mercier Press | 2001 |
| The War of Independence in Kildare | Durney, James | Monograph or Collective Volume | Mercier | 2013 |
| The way we were | Hassett, Declan | Monograph or Collective Volume | Mercier Press | 1999 |
| The weather and political destiny | Tyrrell, John | Article in Book | | 1997 |
| The wild rover : the autobiography of Tomás Ó Cinnéide | Tyers, PádraigÓ Cinnéide, Tomás | Monograph or Collective Volume | Mercier Press | 1997 |
| The words of James Connolly | Connolly, James, 1868-1916 | Monograph or Collective Volume | Mercier Press | 1986 |
| The world of Bryan MacMahon | | Monograph or Collective Volume | Mercier Press | 2005 |
| The world of Daniel O'Connell | McCartney, Donal | Article in Book | | 1980 |
| The world of Daniel O'Connell | | Monograph or Collective Volume | Mercier Press | 1980 |
| The wreck of the Neva : the horrifying fate of a convict ship and the Irish women aboard | McCarthy, CalTodd, Kevin | Monograph or Collective Volume | Mercier Press | 2013 |
| The year in Ireland : a calendar | Danaher, Kevin, 1913-2002 | Monograph or Collective Volume | Mercier Press | 1972 |
| The years of the great test, 1926-39 | | Monograph or Collective Volume | Mercier Press in collaboration with RTE | 1967 |
| The Yeats we knew | | Monograph or Collective Volume | Mercier Press | 1965 |
| The Young Ireland rebellion and Limerick | Fenton, Laurence | Monograph or Collective Volume | Mercier Press | 2010 |
| Then the walls came down : a prison journal | Morrison, Danny | Monograph or Collective Volume | Mercier Press | 1999 |
| Theobald Wolfe Tone and Irish republicanism and separatism | Bartlett, Thomas | Article in Book | | 2005 |
| There is a bridge at Bandon | McDonnell, Kathleen Keyes | Monograph or Collective Volume | Mercier Press | 1972 |
| There is an isle : a Limerick boyhood | O'Flynn, Criostoir | Monograph or Collective Volume | Mercier Press | 1998 |
| Things Irish | Bluett, Anthony | Monograph or Collective Volume | Mercier Press | 1994 |
| This man’s wee boy : a childhood memoir of peace and trouble in Derry | Doherty, Tony | Monograph or Collective Volume | Mercier Press | 2016 |
| Three revolutions and a failure | Whelan, Kevin | Article in Book | | 1998 |
| Three towns : Limerick since 1691 | O'Flaherty, Eamon | Article in Book | | 1995 |
| Three unjustly uncelebrated local-government cases | Morgan, David Gwynn | Article in Book | | 2008 |
| To speak of Easter Week : family memories of the Irish revolution | O'Keeffe, Hélène | Monograph or Collective Volume | Mercier | 2015 |
| Tom Barry : IRA freedom fighter | Ryan, Meda | Monograph or Collective Volume | Mercier Press | 2003 |
| Toss the feather : Irish set dancing | Murphy, Pat | Monograph or Collective Volume | Mercier Press | 1995 |
| Tourism and the Irish State in the 1950s | Furlong, Irene | Article in Book | | 2004 |
| Towards a new Academy | O'Conor, John | Article in Book | | 1998 |
| Towards Ireland free : the west Cork Brigade in the war of independence, 1917-21 | Chisholm, JohnDeasy, Liam | Monograph or Collective Volume | Mercier Press | 1973 |
| Towards the new constitution | Grogan, Vincent | Article in Book | | 1967 |
| Towns and plantations, 1500-1700 | Buchanan, R. H. (Ronald Hull) | Article in Book | | 1986 |
| Trade union century | | Monograph or Collective Volume | Mercier Press in association with Irish Congress of Trade Unions & Radio Telefís Éireann | 1994 |
| Trade unions and change in Irish society | | Monograph or Collective Volume | Mercier Press | 1980 |
| Trade unions and economic development | Girvin, Brian | Article in Book | | 1994 |
| Trade unions and the law | Redmond, Mary | Article in Book | | 1994 |
| Tralee | Bradley, John, 1954-2014 | Article in Book | | 1995 |
| Truce : murder, myth and the last days of the Irish War of Independence | Ó Ruairc, Pádraig Óg | Monograph or Collective Volume | Mercier Press | 2016 |
| True Dublin | McCanney, C. J. (Cormac) | Monograph or Collective Volume | Mercier Press | 2015 |
| Tuam | Gosling, Paul | Article in Book | | 1995 |
| Tullamore | Byrne, Michael | Article in Book | | 1995 |
| Ulster 'will not fight' : T. P. O'Connor and the third Home Rule bill crisis, 1912-14 | Doherty, Erica S. | Article in Book | | 2014 |
| Uncommon valour : 1916 and the battle for the South Dublin Union | O'Brien, Paul | Monograph or Collective Volume | Mercier | 2010 |
| Under contract with the enemy | Boland, Kevin | Monograph or Collective Volume | Mercier Press | 1988 |
| Unfinished business | Kennelly, Tadhg, 1981- | Monograph or Collective Volume | Mercier | 2009 |
| Unlikely rebels : the Gifford girls and the fight for Irish freedom | Clare, Anne | Monograph or Collective Volume | Mercier | 2011 |
| Up not out : why did north-west Ulster not rise in 1798? | Mac Suibhne, Breandàn | Article in Book | | 1998 |
| Urbanisation in modern Ireland | Pringle, Denis G. | Article in Book | | 1986 |
| Ventry calling | Fitzmaurice, GabrielÓ Lubhaing, Bearnard | Monograph or Collective Volume | Mercier Press | 2005 |
| Vocationalism in emergency Ireland | O'Leary, Don | Article in Book | | 2004 |
| Voices from the great houses : Cork and Kerry | O'Keeffe, Jane O'Hea | Monograph or Collective Volume | Mercier | 2013 |
| Voices from the great houses of Cork and Kerry | O'Keeffe, Jane O'Hea | Monograph or Collective Volume | Mercier | 2013 |
| Walter Macken : dreams on paper | Macken, Ultan | Monograph or Collective Volume | Mercier | 2009 |
| War and syndicalism 1914-1923 | O'Connor, Emmet | Article in Book | | 1994 |
| Was this a social revolution? | Mac Aodha, Breandán S. | Article in Book | | 1972 |
| We are women Irish : gender, class, religious, and ethnic identity in Anaconda, Montana | Mercier, Laurie | Article in Journal | | 1994 |
| West Cork railways : birth, beauty and betrayal | Larkin, Chris | Monograph or Collective Volume | Mercier Press | 2022 |
| Western ways : remembering Mayo through the eyes of Helen Hooker and Ernie O'Malley | Barron, Juliet ChristyO'Malley, Cormac K.H. | Monograph or Collective Volume | Mercier | 2015 |
| Westport | McCabe, Desmond | Article in Book | | 1995 |
| Wexford | Whelan, Kevin | Article in Book | | 1995 |
| Wexford in 1798 : a republic before its time | Cleary, Brian | Article in Book | | 1998 |
| What is Anglo-Irish poetry? | Lucy, Seán | Article in Book | | 1973 |
| When histories collide : the third Home Rule bill for Ireland | Bartlett, Thomas | Article in Book | | 2014 |
| When is an assembly riotous and who decides? The success and failure of police attempts to criminalise protest | Cox, LaurenceNí Dhorchaigh, Ealáir, | Article in Book | | 2011 |
| When the Normans came to Ireland | Sheehy, Maurice P. | Monograph or Collective Volume | Mercier Press | 1975 |
| Where history meets poetry : Bryan MacMahon and 'The Valley of Knockanure' | Fitzmaurice, Gabriel | Article in Book | | 2005 |
| Where mountainy men have sown : war and peace in rebel Cork in the turbulent years, 1916-21 | Ó Súilleabháin, Mícheál | Monograph or Collective Volume | Mercier | 2013 |
| While green grass grows : memoirs of a folklorist | Mahon, Brid | Monograph or Collective Volume | Mercier Press | 1998 |
| Whither Ireland? the next twenty-five years! | Lee, J.J. (John Joseph), 1942- | Article in Book | | 1986 |
| Who were the 'Fenian dead'? the IRB and the background to the 1916 Rising | McGee, Owen | Article in Book | | 2007 |
| Who's who in the Irish war of independence, 1916-1921 | O'Farrell, Padraic | Monograph or Collective Volume | Mercier Press | 1980 |
| William Martin Murphy : an Irish press baron and the rise of the popular press | McCartney, Donal | Article in Book | | 1984 |
| William Thompson and the socialist tradition | Lynch, Patrick, 1917-2001 | Article in Book | | 1966 |
| William Walker | Boyle, J. W. (John William) | Article in Book | | 1966 |
| Winnie & George. An unlikely union | Murphy, Allison | Monograph or Collective Volume | Mercier Press | 2017 |
| Witchcraft in Ireland | Byrne, Patrick | Monograph or Collective Volume | Mercier Press | 1967 |
| With the IRA in the fight for freedom : 1919 to the truce | | Monograph or Collective Volume | Mercier Press | 2010 |
| Wolfe Tone | McMahon, Sean | Monograph or Collective Volume | Mercier Press | 2001 |
| Wolfe Tone and the republican ideal | Elliott, Marianne | Article in Book | | 1998 |
| Women and trade unions | Daly, Mary E. | Article in Book | | 1994 |
| Women in de Valera's Ireland, 1932-48 : a reappraisal | Clear, Caitríona | Article in Book | | 2003 |
| Worker and society since 1945 | Lee, J.J. (John Joseph), 1942- | Article in Book | | 1980 |
| Youghal | O'Brien, A. F. | Article in Book | | 1995 |