| "Conclusions by no means calculated for the circumstances and condition of Ireland" : Swift, Berkeley and the solution to Ireland's economic problems | Kelly, Patrick | Article in Book | Four Courts Press | 1998 |
| "Repaying a Debt of Gratitude" : Foreign Minority Nationalists and the Fiftieth Anniversary of the Easter Rising in 1966 | Leach, Daniel | Article in Journal | | 2008 |
| "The ghost of Roger Casement / is beating on the (closet) door" : dissident voices in Bryan MacMahon's fiftieth anniversary Easter Rising pageant | Burke, Mary | Article in Journal | | 2017 |
| '98 celebrations : 150th anniversary commemorated in Ballina and Killala | Hughes, Carmel | Article in Journal | | 1983 |
| 'I have no intention of dying for Air France': 'Brandon' Behan's MI5 file | Smyth, Jim | Article in Journal | | 2014 |
| 'Ireland's destiny is in the making' : the impact of the anniversary celebrations of 1929 and 1932 on the religious character of Ireland | Moffitt, Miriam | Article in Book | | 2015 |
| 'Wisdom delightful for itself' | Mulreany, Michael | Article in Book | | 2009 |
| 100 nights at the opera : an anthology to celebrate the 40th anniversary of the Wexford opera festival | | Monograph or Collective Volume | Town House | 1991 |
| 100th Anniversary of the Handover of Dublin Castle 16.01.2022: Comóradh 100 Bliain ó Tugadh Caisleán Bhaile Átha Cliath ar Iáimh | No Author | Monograph or Collective Volume | Department of the Taoiseach | 2022 |
| 1241-1991 : 750th anniversary of the founding of the Dominican priory of Saints Peter and Paul, Athenry | Rynne, Etienne | Monograph or Collective Volume | Athenry Historical Society | 1991 |
| 150th anniversary of Kilcronaghan Parish Church | Richardson, H. Hilary | Monograph or Collective Volume | Kilcronaghan Parish Church | 2008 |
| 1897 - views of a citizen of King John's charter | Anonymous | Article in Book | | 1997 |
| 1913 | Carroll, Joyce | Article in Journal | | 1989 |
| 1916 rising - the Limerick connection | Ryan, Desmond | Article in Book | | 1997 |
| 1966 and all that : the 50th anniversary commemorations | Higgins, RoisinHolohan, CaroleO'Donnell, Catherine | Article in Journal | | 2006 |
| 1997 ... the 400th anniversary of the Battle of Ballyshannon | Finn, B. | Article in Journal | | 1996 |
| 20 years of UNTSI | Sheeran, Daniel | Article in Journal | | 2014 |
| 200th anniversary of Frederic William Burton, 1816-1900 | Bourke, Marie | Article in Journal | | 2016 |
| 25 May 1922: The First Anniversary of the Burning of the Custom House : Wearing The Green: Uniforms, Collectivity, And Authority | Godson, Lisa | Article in Book | | 2022 |
| 3,000 listen to Tom Barry's oration in 1948 : the 150th anniversary of the Battle of the Big Cross | Ó Súilleabháin, Cionnaith | Article in Book | | 1998 |
| 400th Anniversary for O'Cahan Chief | O'Kane, John James | Article in Journal | | 2015 |
| 40th anniversary of the Church of St Laurence O'Toole | Sobolewski, Peter | Article in Journal | | 2009 |
| 50 years of heli ops | Browne, DavidGallagher, Colin | Article in Journal | | 2013 |
| 50th anniversary of the NHS - some dental memories | Davey, Peter | Article in Journal | | 1998 |
| 75th anniversary year (1933-2008) : The story of Saint Martin's Church and the Southern Church mission to Ballymacarrett | McMullan, Gordon | Monograph or Collective Volume | [St Martin's Church] | 2008 |
| 850 years of oppression? An introduction to this speciaL issue marking the 850th anniversary of the Anglo-Norman ('recte' English?) invasion of Irerland | Duffy, Seán | Article in Journal | | 2019 |
| 90th Anniversary of the handover of the Curragh Camp | O'Loghlen, John | Article in Journal | | 2012 |
| A brief history of Aghalee parish to commemorate the three hundredth anniversary of the consecration of Aghalee parish church, 1st May 1677-1st May 1977 | Brennan, S. J., Rev. | Monograph or Collective Volume | Mourne Observer [Printer] | 1977 |
| A century of medical radiation in Ireland - an anthology | | Monograph or Collective Volume | Anniversary | 1995 |
| A chapel of ease : St. Matthew's Newtownmountkennedy, 150th anniversary, 1836-1986 : commemorative booklet | Jennings, Robert | Monograph or Collective Volume | [The author] | 1986 |
| A day to remember : The 50th anniversary of the Congo airlift | Barr, Willie ; Parke, Declan | Article in Journal | | 2010 |
| A forgotten anniversary : P. Hume Brown’s History of Scotland, 1911 | Broun, Dauvit | Article in Book | | 2013 |
| A History of Maynooth Kilcock Lions Club:1981-2021 Ruby Anniversary | Wall, Joseph | Monograph or Collective Volume | Maynooth University | 2021 |
| A maestro of megaliths | Cooney, Gabriel | Article in Journal | | 2018 |
| A man raised up : recollections and reflections on Venerable Edmund Rice, presented in 1994 on the occasion of the 150th anniversary of his death | | Monograph or Collective Volume | Elo Publications in association with the Congregation of Christian Brothers | 1994 |
| A memory that lived and charity that died : Edmund Rice and the Mendicity Institute | Ó Cearbhaill, Seán | Article in Book | | 1994 |
| A most afflicting tragedy | Cunningham, Heather | Article in Book | | 1997 |
| An account of George Victor du Noyer's visit to Bellewstown in 1866 - in celebration of the 200-year anniversary of his birth in 1817 | Ahern, Fiona | Article in Journal | | 2018 |
| An article based on the address given at the 50thAnniversary Gala Dinner of the Glens of Antrim Historical Society in the Glens Hotel on Friday 23rd October 2015 | Dunlop, John
| Article in Journal | | 2016 |
| An Fórsa Cosanta Áitiúil Nenagh, 1946-1996 : 50th anniversary | Nenagh, F. C. A. | Monograph or Collective Volume | Nenagh Guardian in association with Nenagh F.C.A. | 1996 |
| An historical overview of the period | Milne, Kenneth | Article in Book | | 2019 |
| An Unsung Hero: Tom Crean: Antarctic Survivor - 20th Anniversary Illustrated Edition | Smith, Michael | Monograph or Collective Volume | Gill Books | 2020 |
| Another triumph of failure? How and why Canadians celebrate the 150th anniversary of the raid on Ridgeway | Panneton, Daniel B. | Article in Journal | | 2016 |
| Architectural changes and the arts in the life of the Church of Ireland | Harron, Paul | Article in Book | | 2019 |
| Aspects of Rice family history | Feheney, J. M. | Article in Book | | 1994 |
| Aspects of the history of Irish ceílí dancing, 1897-1997 : 100th anniversary of the first Irish ceílí, London 1897 | Cullinane, John P. | Monograph or Collective Volume | John O.Cullinane | 1998 |
| Back to Biafra. On the 50th anniversary of a war that was headline news in Ireland | O'Sullivan, Kevin | Article in Journal | | 2017 |
| Ballyloughane National School, 1862-1969: commemorating 50th anniversary of the school's closure, Saturday 29th June 2019 | Ballyloughane NS Committee | Monograph or Collective Volume | Ballyloughane NS Committee | 2019 |
| Ballymena sketches & recollections : a local man's review (circa 1942) of sixty and more years spent in mid-Antrim : a tenth anniversary publication | Dunlop, Eull | Monograph or Collective Volume | Mid-Antrim Historical Group | 1992 |
| Bartley Madden's story (from the Roscommon Champion 75th Anniversary Magazine, 2003 | Coyne, Declan | Article in Journal | | 2005 |
| Calary church and parish : diocese of Glendalough : 175th anniversary, 1834-2009 | Jennings, Robert | Monograph or Collective Volume | Calary Parish | 2009 |
| Cavalry memorial's 50th Anniversary | Fitzgerald, Wayne | Article in Journal | | 2013 |
| Celebrating 21 years of living history in Drum : Drum Heritage from its humble beginnings : 21st anniversary souvenir book 1987-2008 | Drum Heritage Group (Drum, Roscommon, Ireland)Egan, Edward, | Monograph or Collective Volume | Drum Heritage Committee | 2008 |
| Changing work patterns | Whelan, Brendan J. | Article in Book | | 1998 |
| Christ Church, Dun Laoghaire. 150th Anniversary, 1836-1986 : first known as the Bethel Episcopal Free Church Kingstown, Co. Dublin | Bradbury, Doreen | Monograph or Collective Volume | [Doreen Bradbury] | 1986 |
| Chronicle. Events to mark the 350th anniversary of Str Oliver Plunkett as Archbishop of Armagh | | Article in Journal | | 2019 |
| Chronicle. Events to mark the 350th anniversary of Str Oliver Plunkett as Archbishop of Armagh | | Article in Journal | | 2019 |
| Church music in Dublin, 1500-1900 | Gillen, Gerard | Article in Book | | 1979 |
| Church of Ireland archives and publishing | Refaussé, Raymond | Article in Book | | 2019 |
| Church of the Immaculate Conception, Knightstown, Valentia Island, Co. Kerry, 1915-2015 : 200 years anniversary | | Monograph or Collective Volume | Centenary Committee | 2016 |
| Citizen Kane, mayor of Limerick | Tierney, Mark | Article in Book | | 1997 |
| Clonfin eighty-fifth anniversary | | Article in Journal | | 2006 |
| Cloughjordan Presbyterian church, county Antrim : 150th anniversary history | | Monograph or Collective Volume | Cloughjordan Manse | 1990 |
| Colmcille - the 1,500th anniversary of his birth | Lacey, Brian | Article in Journal | | 2015 |
| Commemorating the anniversary of the Flight of the earls in Rathmullan | Ní Dhuibhne, Aine | Article in Journal | | 2007 |
| Comóradh agus Céiliúradh 1912-1922 | Ó Breisleáin, Uinsionn | Article in Journal | | 2014 |
| Constitutional and legal change | Ruane, Bláthna | Article in Book | | 1998 |
| Crime and punishment | Lysaght, Charles Edward | Article in Book | | 1998 |
| Crime and punishment in a medieval town | Lee, David | Article in Book | | 1997 |
| Deich mbliaina ag áas – Ten Years a-growing | McGrady, Feargal Patrick | Monograph or Collective Volume | Irish Lieutenancy of the Equestrian Order of the Holy Sepulchre of Jerusalem | 1999 |
| Dernaflaw School celebrates its 40th Anniversary | McWilliams, John J. | Article in Journal | | 2016 |
| Dernaflaw School celebrates its 40th Anniversary | McWilliams, John J. | Article in Journal | | 2016 |
| Derry before Londonderry | Lacey, Brian | Article in Book | | 2015 |
| Derry, Docwra and Dunnalong | Logue, Paul | Article in Book | | 2015 |
| Development of hospital x-ray departments in Dublin | McInerney, David | Article in Book | | 1995 |
| Development of radiology outside Dublin | Murray, James P. | Article in Book | | 1995 |
| Developments in Northern Ireland | Gough, A. Denis | Article in Book | | 1995 |
| Disestablishment - in the nick of time.
On the 150th anniversary of the disestablishment of the Church of Ireland in 1869 | Milne, Kenneth | Article in Journal | | 2019 |
| Drumrane Primary School 10th anniversary | Steen, Alison | Article in Journal | | 2018 |
| Dublin : triumph and failure | Keane, Frank | Article in Book | | 1994 |
| Dublin Institute for Advanced Studies, School of Celtic Studies : fiftieth anniversary report, 1940-1990 | Anonymous | Monograph or Collective Volume | Dublin Institute for Advanced Studies | 1990 |
| Dublin's oldest charity : the Sick and Indigent Roomkeepers' Society, 1790-1990 | Lindsay, Deirdre | Monograph or Collective Volume | Anniversary | 1990 |
| Dungiven parish church : 175th anniversary celebrations | Ross, Cecil | Article in Journal | | 1993 |
| Dungiven Young Farmers' Club celebrate their Golden Anniversary | Buchanan, Claire | Article in Journal | | 2014 |
| Easter 1916 : the Irish rebellion | Townshend, Charles | Monograph or Collective Volume | Allen Lane | 2005 |
| Edmund Rice - a timely restorer of faith and hope in Ireland | Kelleher, Daniel V. | Article in Book | | 1994 |
| Edmund Rice and his social milieu | Ó Caithnia, L. P. | Article in Book | | 1994 |
| Edmund Rice and Saint Teresa of Avila | Ó Cearbhaill, Seán | Article in Book | | 1994 |
| Edmund Sexten : the Irish mayor of Limerick | Hodkinson, Brian | Article in Book | | 1997 |
| Education, economy and society | Lee, J.J. (John Joseph), 1942- | Article in Book | | 1998 |
| Europe and the wider world | McAleese, Dermot | Article in Book | | 1998 |
| Family life | Kennedy, Finola | Article in Book | | 1998 |
| Father John Gowan: 1817-1897. On the 1000th anniversary of his death | Mansfield, Agatha de Valera | Article in Journal | | 1996 |
| Fifteen hundredth anniversary, St. Saviour's Church, Connor | Carmody, W. P., Rev.,Hogmeester, A. S., Rev. | Monograph or Collective Volume | [St Saviour's Church, Connor] | 1980 |
| Fortress or refuge? : The walls of Derry in the seventeenth century | Kelly, W. P.Peters, Marie-Claire | Article in Book | | 2015 |
| Forty years on : Diocese of Down and Dromore, Diocese of Connor 1945-1985 | Macourt, William A. | Monograph or Collective Volume | Universal Publishing | 1985 |
| Four centuries of music in Ireland : essays based on a series of programmes broadcast to mark the 50th anniversary of the BBC in Northern Ireland | | Monograph or Collective Volume | BBC | 1979 |
| Fr Harry Bohan pays tribute to his friend Fr. Tony King on his 40th anniversary as a priest | Bohan, Harry | Article in Journal | | 2003 |
| Friedrich Schiller : 'The first historiographer in Germany? An appreciation to mark the 200th anniversary of his death | Krobb, Florian | Article in Journal | | 2005 |
| From Economic Development to St. Andrews : half a century of economic and social policy-making | Fitzgerald, John | Article in Book | | 2009 |
| From famine to feast : economic and social change in Ireland 1847-1997 : lectures on the occasion of the 150th anniversary of the Statistical and Social Inquiry Society of Ireland | | Monograph or Collective Volume | Institute of Public Administration | 1998 |
| General Holt - 250th anniversary | Fowler, Matthew | Article in Journal | | 2006 |
| George Plant, Irish Republican Army : ... 50th anniversary commemoration ... .April 19th 1992 | Anonymous | Monograph or Collective Volume | South Tipperary Republican Commemoration Committee | 1992 |
| George Russell at the Oriel's 21st anniversary | Nulty, OliverRussell, George | Monograph or Collective Volume | Oriel Gallery | 1989 |
| George W. Russell (Æ) that myriad-minded man | Deeny, Donnell | Article in Journal | | 2019 |
| Health, housing and social welfare | Wiley, Miriam M. | Article in Book | | 1998 |
| History of the Irish Radium Institute, 1914-1930 | Joly, John | Article in Book | | 1995 |
| History of the RTC and ITC continued (Part 8)|History of the RTC and ITC continued (Part 9)|History of the RTC and ITC continued (Part 9): Additional material|History of the RTC and ITC continued (Part 10 -Special feature on 40th anniversary of Ireland's prototype RTC). Interview with M. O'Lionáin|History of the RTC and ITC continued (Part 11). Interview with Austin Kinsella|History of the RTC/ITC continued (Part 12). A profile of Martin Nevin. Auto apprentice and Technician History 1970-2002 | | Article in Journal | | 2020 |
| Illustrated souvenir to commemorate the 25th anniversary of the opening of the museum and art gallery, Stranmillis, Belfast, in the summer of 1929 | Belfast Museum and Art Gallery | Monograph or Collective Volume | Belfast Museum and Art Gallery | 1954 |
| In search of James : celebrating the 250th anniversary of the birth of James Hoban, architect and builder of the White House|In search of James: a sequel | Bergin, Denis | Article in Journal | | 2021 |
| Industrial development | Kennedy, Kieran A. | Article in Book | | 1998 |
| Insurrection : 75th anniversary | | Monograph or Collective Volume | Reclaim the Spirit of 1916 (Meath Committee) | 1991 |
| Introducing Swift | Douglas, AileenKelly, PatrickRoss, Ian Campbell | Article in Book | | 1998 |
| Invading inspirations | Dunne, Margaret | Article in Book | | 1997 |
| Ireland : a directory 2016 : 50th anniversary supplement | Institute of Public Administration | Monograph or Collective Volume | Institute of Public Administration | 2016 |
| Ireland on the international stage | Dorr, Noel | Article in Book | | 2009 |
| Ireland's first school of medicine | Bewley, Beulah, Dame | Article in Journal | | 2011 |
| Irish Anglicanism, 1969–2019 : Essays to mark the 150th anniversary of the Disestablishment of the Church of Ireland | | Monograph or Collective Volume | Four Courts Press | 2019 |
| Irish harp music | Yeats, Gráinne | Article in Book | | 1979 |
| Irish physicists in pre-Röntgen and early post-Röntgen developments | Murnaghan, David J. | Article in Book | | 1995 |
| Is Ireland underpopulated? | Ní Bhrolcháin, Máire | Article in Book | | 1998 |
| Jewish immigrants in Limerick - a divided community | Ryan, Desmond | Article in Book | | 1997 |
| John Daly, the Fenian Mayor of Limerick | Ó Gríofa, Ciarán | Article in Book | | 1997 |
| John Mitchel - flawed hero. On the 200th anniversary of the birth - 3 November 1815 - of the Young Irelander | Russell, Anthony | Article in Journal | | 2016 |
| Kate O'Brien, convents and class | Clear, Caitriona | Article in Book | | 2009 |
| Kilcrea Friary : 500th anniversary of foundation, 1465-1965 | | Monograph or Collective Volume | Kilcrea Franciscan Friary | 1966 |
| Kingstown lifeboat disaster : 100th anniversary | Anonymous | Article in Journal | | 1996 |
| Law and the disestablished Church of Ireland: fifty years of accelerating change | Colton, Paul | Article in Book | | 2019 |
| Letters on Armagh parish two centuries ago | Ó Fiaich, Tomás | Article in Book | | 2013 |
| Life and times of Nenagh C.B.S. concert band : 10th anniversary commemorative history and recollections, 1985-1995 | | Monograph or Collective Volume | Nenagh Guardian | 1995 |
| Life on the land | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 1998 |
| Limerick - magnet of liberty | Lee, David | Article in Book | | 1997 |
| Limerick during the Emergency | Ó Gríofa, Ciarán | Article in Book | | 1997 |
| Limerick's Viking democracy | Lee, David | Article in Book | | 1997 |
| Limerick's Viking era | Prendergast, Frank | Article in Book | | 1997 |
| Limerick's water supply | Donnellan, Michael | Article in Book | | 1997 |
| Linking communities to government | Tierney, John | Article in Book | | 2009 |
| Lixnaw Coursing Club 75th anniversary, 1928-2003 | O'Keeffe, Shannon | Monograph or Collective Volume | Lixnaw Coursing Club | 2003 |
| London's Derrie : the backgound to the building and financing of the walls | Curl, James Stevens | Article in Book | | 2015 |
| Mass miniature radiography in Ireland | Murray, James P. | Article in Book | | 1995 |
| Maurice Lenihan - an appreciation | Kemmy, Jim | Article in Book | | 1997 |
| McDaid's Chemist 60th anniversary | McDaid, Eithne | Article in Journal | | 2018 |
| Medieval borough boundaries | Prendergast, Frank | Article in Book | | 1997 |
| Memories of Dromleigh : a country school, 1840-1990 | Dromleigh's 150th Anniversary Celebrations Committee | Monograph or Collective Volume | Dromleigh's 150th Anniversary Celebrations Committee | 1990 |
| Michael Joyce - maritime mayor | Ó Gríofa, Ciarán | Article in Book | | 1997 |
| Milk to market : a history of Dublin milk supply in celebration of the 50th anniversary of the Leinster Milk Producers' Association | Doyle, PatrickSmith, Louis P. F. | Monograph or Collective Volume | Leinster Milk Producers' Association | 1989 |
| Money and banking | Hutchinson, Robert W. | Article in Book | | 1998 |
| Munster Fusiliers at war | Lee, DavidRyan, Desmond | Article in Book | | 1997 |
| Music in nineteenth-century Ireland | Fleischmann, Aloys, 1910-1992 | Article in Book | | 1979 |
| Music in the Church of Ireland | Houston, Kerry | Article in Book | | 2019 |
| New church of St Malachy's | Ó Muirí, Réamonn | Article in Book | | 2013 |
| Nuns and monks at Hennessy's Road : Edmund Rice and the Presentation Sisters in Waterford | O'Neill, Assumpta | Article in Book | | 1994 |
| Old St Malachy's | Paterson, T. G. F. | Article in Book | | 2013 |
| Old St Malachy's, 1752-1938 | Paterson, T. G. F.,Ó hÁdhmaill, Pádraig | Article in Book | | 2013 |
| On the ball | Nagle, David | Article in Journal | | 2009 |
| One hundred and fifty years, 1826-1976: sesquicentennial anniversary Portadown parish church (St. Mark's) | St. Mark's Church | Monograph or Collective Volume | Nelson & Knox (N.I.) (printer) | 1976 |
| Opera in nineteenth-century Dublin | Walsh, T. J. | Article in Book | | 1979 |
| Papal infallibility and the possible Leighlin nexus. Cardinal Moran remembered on the 100th anniversary of his death | Nevin, Martin | Article in Journal | | 2011 |
| Parish priests of Armagh since the Reformation | Ó Fiaich, Tomás | Article in Book | | 2013 |
| Parish priests of Armagh, 1752-1834 | Paterson, T. G. F. | Article in Book | | 2013 |
| Patrick James O'Byrne, Dean of Armagh (1810-19) and the contemporary scene | Tohall, Patrick | Article in Book | | 2013 |
| Philip Alexius de László: 150th Anniversary Exhibition | Field, Katherine | Monograph or Collective Volume | The de László Archive Trust | 2019 |
| Phoenix Park : 350th anniversary exhibition catalogue | McCullen, John A. | Monograph or Collective Volume | Office of Public Works | 2012 |
| Phytophthora infestans 150 : European Association for Potato Research (EAPR) - Pathology section conference, held in Trinity College Dublin, September 1995 to mark the one hundred and fiftieth anniversary of the first record of potato blight in Ireland and subsequent years | | Monograph or Collective Volume | Boole Press in conjunction with Teagasc for the European Association for Potato Research | 1995 |
| Pick, shovel and bar. 50th anniversary of rural electrification | Nic Aodha, Síle | Article in Journal | | 1997 |
| Portraying Swift | Coleman, John | Article in Journal | | 2017 |
| Priests of Armagh, 1834-2013 | Ó Fiaich, Tomás | Article in Book | | 2013 |
| Prince John - Plantagenet Lord of Ireland | Lee, David | Article in Book | | 1997 |
| Projections and reflections : Irishness and the fiftieth anniversary of the Easter Rising | Higgins, Roisin | Article in Journal | | 2007 |
| Provosts and mayors of Limerick, 1197-1997 | Leonard, Denis M. | Article in Book | | 1997 |
| Radiography | Cantwell, DermotLeydon, AngelaMcMahon, K. | Article in Book | | 1995 |
| Radiology past and present | McDonagh, C. L. | Article in Book | | 1995 |
| Rambling Jack - the Fenian balladeer | Mac Donncha, Mícheál | Article in Journal | | 2011 |
| Reflections at an anniversary : celebrating 75 years of diplomatic relations between Ireland and the Holy See | | Monograph or Collective Volume | Pontifical Irish College | 2005 |
| Remembering Limerick : historical essays celebrating the 800th anniversary of Limerick's first charter granted in 1197 | | Monograph or Collective Volume | Limerick Civic Trust in association with Fás | 1997 |
| Renovation of St. Malachy's Church, Armagh, 2004-2005 | Murphy, Pádraig | Article in Book | | 2013 |
| Research on Phytophora infestans in Ireland : a short historical review | Dowley, L. J. | Article in Book | | 1995 |
| Review article. Returns regrets and reprints | Guinnane, Timothy W. | Article in Journal | | 2007 |
| Saint Patrick's Church of Ireland church and parish, Dalkey, Co. Dublin | Latham, Harry | Monograph or Collective Volume | Harry Latham | 1993 |
| Serving the state : the public sector in Ireland : lectures on the 50th anniversary of the Institute of Public Administration | | Monograph or Collective Volume | Institute of Public Administration | 2009 |
| Seventeenth century Limerick | Irwin, Liam | Article in Book | | 1997 |
| Seventy-fifth anniversary, 1916-1991 | Lyons, Michael | Article in Journal | | 1991 |
| Shot at dawn | Lee, David | Article in Book | | 1997 |
| Silbheaster Ó Coinne | Ó Muireadhaigh, Lorcán, an tAth. | Article in Book | | 2013 |
| Silver Anniversary of Glenshane Community Development Limited | McCormack, Mairead | Article in Journal | | 2015 |
| Singularity and the syllabus : the teaching of Swift in Trinity College, Dublin | Douglas, AileenRoss, Ian Campbell | Article in Book | | 1998 |
| Some notable mayors of Limerick | Hannon, Kevin | Article in Book | | 1997 |
| St Brigid's Foxrock : 75th anniversary 1914-1989 | Anonymous | Monograph or Collective Volume | St Brigid's School, Foxrock | 1989 |
| St Luke's Hospital | Murnaghan, David J. | Article in Book | | 1995 |
| St Malachy in life and death | Ó Fiaich, Tomás | Article in Book | | 2013 |
| St Matthew's Primary School Drumsurn celebrates its 50th anniversary | Kealey, Ann-Marie | Article in Journal | | 2018 |
| St Nicholas' parish church, Lisburn Road, Belfast : 75th anniversary | | Monograph or Collective Volume | [St Nicholas' Parish Church] | [1976] |
| St Patrick's Dundalk : an anniversary account | Murtagh, Michael | Monograph or Collective Volume | Bellew Print (printer) | 1997 |
| St. Aidan's Church, Dublin. Parish of St. George : 40th anniversary of dedication, November 22nd 1902-November 22nd 1942 | Dobbs, K. D. B. | Monograph or Collective Volume | Corrigan & Wilson [printer] | 1942 |
| St. Kilian : 1300 Jahre Märtyrium der Frankenapostel. 2 vols. | | Monograph or Collective Volume | | 1989 |
| Station anniversary - Glenageary | Carse, Barry | Article in Journal | | 2017 |
| Station anniversary - Harmonstown halt | Carse, Barry | Article in Journal | | 2017 |
| Stephen O'Mara and the Limerick crisis, March 1922 | Ó Gríofa, Ciarán | Article in Book | | 1997 |
| Structures of municipal government in Limerick 1841-1934 | Ó Gríofa, Ciarán | Article in Book | | 1997 |
| Swift and Protestant Ireland : images and realities | Connolly, Sean J. | Article in Book | | 1998 |
| Swift's political legacy : remembering the past in order to imagine the future | Fabricant, C. | Article in Book | | 1998 |
| T.E. Lawrence’s Irish links : 1995 marks the sixteenth anniversary of his death | Bailey, Bel | Article in Journal | | 1995 |
| That was then, this is now : change in Ireland, 1949-1999 | | Monograph or Collective Volume | The Stationery Office | 2000 |
| The 'Incorruptible Inheritors of 1916': the battle for ownership of the fiftieth anniversary of the Easter Rising | Higgins, Róisín | Article in Journal | | 2016 |
| The 29th anniversary of President Childers' death | Walsh, Sean | Article in Journal | | 2004 |
| The 400th anniversary of the siege and battle of Kinsale | Thuillier, John R. | Article in Book | | 2004 |
| The 70th anniversary of Skerries Rugby Club | Heffernan, Sandy | Article in Journal | | 2004 |
| The 80th anniversary of the death of a submarine. The Old Leighlin connection | Power, Ann | Article in Journal | | 2020 |
| The administration of the Charitable Infirmary | Kenny, James | Article in Book | | 1987 |
| The American-Irish Historical Society, 1897-1872 : 75th anniversary | Anonymous | Monograph or Collective Volume | American-Irish Historical Society | 1972 |
| The bard Hogan | Kemmy, Jim | Article in Book | | 1997 |
| The Belfast Naturalists' Field Club. Figtieth Anniversary | Anonymous | Article in Journal | | 1913 |
| The booing Of Sinead O'Connor : Bob Dylan 30th anniversary concert, Madison Square Garden, New York, October 16, 1992 | Mayhew, Emma | Article in Book | | 2006 |
| The Cathedral Church of Belfast | Thompson, Herbert Marshall | Monograph or Collective Volume | W. & G. Baird [Printer] | 1925 |
| The cause of the calamity : the discovery of the potato blight in Ireland, 1845-1847, and the role of the National Botanic Gardens, Glasnevin, Dublin | Nelson, E. Charles | Article in Book | | 1995 |
| The changing face of the Irish public service | Boyle, Richard | Article in Book | | 2009 |
| The chapel school | Paterson, T. G. F. | Article in Book | | 2013 |
| The Charitable Infirmary in Jervis Street : chronology of a voluntary hospital | O'Brien, Eoin | Article in Book | | 1987 |
| The Charitable Infirmary in Jervis Street : the first voluntary hospital in Great Britain and Ireland | O'Brien, Eoin | Article in Book | | 1987 |
| The Charitable Infirmary, Jervis Street, 1718-1987 : a farewell tribute | | Monograph or Collective Volume | Anniversary | 1987 |
| The Church of Ireland AD 432-1932. The Report of the Church of Ireland Conference held in Dublin, 11th-14th October, 1932, to which is appended on account of the commemoration by the Church of Ireland of 1500th anniversary of the landing of St Patrick | | Monograph or Collective Volume | | 1932 |
| The Church of Ireland and the Irish language | Dwane, Aonghus | Article in Book | | 2019 |
| The Church of Ireland: politics and social change | Burrows, MichaelMcDowell, John | Article in Book | | 2019 |
| The Church of Ireland’s role in education in Northern Ireland | Pritchard, Rosalind M.O. | Article in Book | | 2019 |
| The Church of Ireland’s role in education in the Republic of Ireland | Parkes, Susan | Article in Book | | 2019 |
| The Church of the Sacred Heart, Donnybrook : 150th anniversary | Pegum, Colette | Monograph or Collective Volume | Donnybrook Parish | 2016 |
| The commemoration of the ninetieth anniversary of the Easter Rising | Doherty, Gabriel | Article in Book | | 2007 |
| The death of Brother Edmund Ignatius Rice in the words of an eyewitness | Connolly, M. Austin | Article in Book | | 1994 |
| The death of Mrs Edmund Rice | Ó Caithnia, L. P. | Article in Book | | 1994 |
| The death of St Malachy | Bernard of Clairvaux, Saint | Article in Book | | 2013 |
| The development of women’s ministry in the Church of Ireland | Kennerley, Ginnie | Article in Book | | 2019 |
| The early formative years in Irish radiology | Murray, James | Article in Book | | 1995 |
| The emergence of Londonderry c.1600-1625 : evidence from the surveys and maps | Margey, Annaleigh | Article in Book | | 2015 |
| The era of radicalism : Limerick mayors during World War One | Crosbie, Judith | Article in Book | | 1997 |
| The fiftieth anniversary of Ireland's membership of the United Nations - looking forward | Ahern, Dermot | Article in Journal | | 2006 |
| The foundation of radio-therapy in Ireland | Healy, John | Article in Book | | 1995 |
| The Freemen of Limerick | Lee, DavidRussell, George | Article in Book | | 1997 |
| The general strike as a political weapon - Limerick 1918-20 | Lee, DavidToomey, Nora-Ann | Article in Book | | 1997 |
| The governors of the Charitable Infirmary and its managing committee | McCarthy, Denis P. | Article in Book | | 1987 |
| The great famine in County Meath : a 150th anniversary commemoration (1845-1995) | | Monograph or Collective Volume | Meath County Council in association with Action for Ireland | 1996 |
| The historian as satirist and satirized | Palmieri, Frank | Article in Book | | 1998 |
| The history of The Times. Vol. 4, The 150th anniversary and beyond, 1912-48. Pt. 1, 1912-20. Pt. 2, 1921-48, appendices and index. | Anonymous | Monograph or Collective Volume | | 1952 |
| The House of Industry hospitals 1772-1987 : the Richmond, Whitworth and Hardwicke (St Laurence's hospital a closing memoir) | Browne, LornaO'Brien, EoinO'Malley, Kevin | Monograph or Collective Volume | Anniversary | 1988 |
| The impact of the anniversary celebrations of 1929 and 1932 on the religious atmosphere in early-independent Ireland | Moffitt, Miriam | Article in Book | | 2016 |
| The Irish readers of 'The rights of man', 1790 : 200 anniversary | Ensko, Senan | Article in Journal | | 1991 |
| The legacy of Sean P. Ó Ríordáin | Cooney, Gabriel | Article in Journal | | 1997 |
| The life and times of Kilrea, Rasharkin and Dunloy Credit Union Limited : 40th anniversary, 1964-2004 | Dallat, JohnKilrea, Rasharkin & Dunloy Credit Union Limited | Monograph or Collective Volume | Kilrea, Rasharkin and Dunloy Credit Union Limited | 2004 |
| The Life and Times of Mary Ann McCracken, 1770–1866 ~ A Belfast Panorama | McNeill, Mary, 1897-1984 | Monograph or Collective Volume | Irish Academic Press | 2019 |
| The making of Irish traditional music | O'Boyle, Seán | Article in Book | | 1979 |
| The man from Callan | Ó Caithnia, L. P. | Article in Book | | 1994 |
| The mayoral myth | Walsh, Laurence | Article in Book | | 1997 |
| The mayoralty of the Jews of Limerick | McGee, Jonathan | Article in Book | | 1997 |
| The medical board of the Charitable Infirmary | Osborne, Henry | Article in Book | | 1987 |
| The medieval parishes of Clogherhead and Walshestown (1300-1857) | Reynolds, Liam | Monograph or Collective Volume | The author | 2003 |
| The Monument Creamery Ltd (1918-1966) 100 Year's Anniversary Appreciation | Ryan, Brenda | Article in Journal | | 2019 |
| The national and the normal | Foster, R. F. (Robert Fitzroy) (Roy), 1949- | Article in Book | | 2009 |
| The new St Malachy's : building and finance | Ó Muirí, Réamonn | Article in Book | | 2013 |
| The old chapel in the late 1920s and early 1930s | Ó hÁdhmaill, Pádraig | Article in Book | | 2013 |
| The Pope's Irish Battalion, 1860 | Doyle, Robert | Article in Journal | | 2010 |
| The provenance of the Carrick portrait of Edmund Rice | Ó Caithnia, L. P. | Article in Book | | 1994 |
| The Radiological Society of Ireland | Carr, JamesRyan, Max J. | Article in Book | | 1995 |
| The regional radiology service | Murray, James P. | Article in Book | | 1995 |
| The rich inheritance of a Limerick mayor | Hannan, Kevin | Article in Book | | 1997 |
| The statistical and social inquiry society of Ireland | Daly, Mary E. | Article in Book | | 1998 |
| The two Jonathans : Swift, Smedley and the outhouse ethos | Blackwell, Mark R. | Article in Book | | 1998 |
| The use of the castle of Limerick : seal and city motif | Hill, Judith | Article in Book | | 1997 |
| The walls of Londonderry : the background in European military architecture | Scott, Brian G. | Article in Book | | 2015 |
| The War of Independence in the Midlands. A conference organised by the Old Athlone Society to mark the 90th anniversary of the end of the war. Custume Barracks, Athlone, 26 November 2011 | | Article in Journal | | 2013 |
| Tinryland Athletic Club : 25th anniversary, 1970-1995 | Tinryland Athletic Club | Monograph or Collective Volume | Tinryland Athletic Club | 1995 |
| Touchstone | McDonald, Frances | Article in Journal | | 2017 |
| Traditions of the Banshee, the Irish supernatural death-messenger | Lysaght, Patricia | Article in Book | | 2009 |
| Transforming 1916 : meaning, memory and the fiftieth anniversary of the Easter Rising | Higgins, Roisín | Monograph or Collective Volume | Cork University Press | 2012 |
| Transport | FitzGerald, Garret | Article in Book | | 1998 |
| Tuam Stadium's 60th anniversary - the early days recalled | Carney, Jim | Article in Journal | | 2010 |
| Votes for women 1918-1993, 75th anniversary | Owens, Rosemary Cullen | Article in Journal | | 1993 |
| Walls 400 : studies to mark the 400th anniversary of the founding of the walls of Londonderry | | Monograph or Collective Volume | Guildhall Press | 2015 |
| Were the bagpipes ever banned in Scotland? | Newton, Michael | Article in Journal | | 1997 |
| Wicklow 400 | Finlay, John | Article in Journal | | 2013 |
| With God's assistance. On the 150th anniversary of its completion, Michael O'Neill traces key chapters in the Pakenham-Guinness restoration of St Patrick's Cathedral 1845-1865 | O'Neill, Michael | Article in Journal | | 2015 |
| Women in medieval towns | Bennis, Rosemarie | Article in Book | | 1997 |