| "The virtual minimum" : Ireland's decision for de facto recognition of Israel, 1947-9 | Wylie, Paula | Article in Book | Four Courts Press | 2000 |
| 'Turbulant Priest': How the British Government's decision to bar Archbishop Mannix from Ireland helped to rally the exiles in Britain | Dunleavy, John | Article in Journal | | 2010 |
| 'You might as well recruit Germans' : British public opinion and the decision to conscript the Irish in 1918 | Gregory, Adrian | Article in Book | | 2002 |
| 2022 Barry prize winner précis checking-in at the multispecies hotel | Brody, Rachel I. | Article in Journal | | 2024 |
| A 'Catholic Wind' on Bantry Bay? | Kennedy, Gordon | Article in Journal | | 2017 |
| A Carlow - descendant who added to the world's history one of its decisive battles. An Irish American hero in the American revolution | Bolger, Garrett | Article in Journal | | 1997 |
| A critical analysis of the decisions of the General Assembly of the Presbyterian Church in Ireland on social issues, 1921-1970 | Davison, William Eoin | Thesis | | |
| Acta Sacrae Congregationis de Propaganda Fide, 1622-50 | | Article in Journal | | 1959 |
| An attempt to realise defined political goals or a continuation of the physical force tradition? An assessment of the IRA's decision to launch the border campaign (1956-62) | Maguire, John | Article in Journal | | 2003 |
| An Irish perspective on the decision to form a Wesleyan Methodist Missionary Society (WMMS) in Leeds in 1813, and its significance for Methodist world mission | Taggart, Norman W. | Article in Journal | | 2014 |
| An unpopular decision by the railway company | O'Reilly, Vincent | Article in Journal | | 2020 |
| Ballymena, Bangor and Belfast : hyper-localism, regionald decision-making and local film censorship in Northern Ireland | Barber, Sian | Article in Journal | | 2021 |
| Cabinet ministers and parliamentary government | | Monograph or Collective Volume | Cambridge University Press | 1994 |
| Chief Justice Taney and the Dred Scott decision | Lee, Thomas Z. | Article in Journal | | 1923 |
| Chronology, culture and archaeology : precision chronology of wetland structures using tree-ring studies | Daly, Aoife ; O'Sullivan, Aidan ; Sands, Rob | Article in Journal | | 2014 |
| Cormac Ó Ceallaigh, 1912-1996 | McCartney, Mark, 1967- | Article in Book | | 2003 |
| Cornelius Lanczos, 1893-1974 | Gellai, Barbara | Article in Book | | 2003 |
| Dalkey Island. 28 March 1912. Purchase from War Office. Decision of Dalkey Urban Council | Latham, Harry | Article in Journal | | 1991 |
| David Bates, 1916-1994 | Flannery, Ray | Article in Book | | 2003 |
| Decision-making and the formulation of regional development objectives : the case of rural Ireland | Poole, M. A. | Article in Book | | 1970 |
| Elite decision makers' strategic use of European integration and globalisation discourses : Irish and Danish banking sector reforms in the 1990s and 2000s | Lynggaard, Kennet | Article in Journal | | 2013 |
| Episcopal decision-making in Ireland | Keogh, Dermot | Article in Book | | 1992 |
| Farm household participation in agricultural policy decision making | Collins, NeilMark, Nicholas | Article in Journal | | 1995 |
| First report of the royal commission on liquor licensing laws [Chairman : Viscount Peel], plus : Second Report; Third report; Fourth report; Fifth report; Final report; Evidence, appendixes, etc. General vols. (4 vols.); Special evidence etc. Clubs; Statistics; Scotland; Ireland; Précis of evidence and data; and Index | Anonymous | Monograph or Collective Volume | | 1899 |
| Frederick Thomas Tronton, 1863-1922 | O'Hara, James G. | Article in Book | | 2003 |
| From war to civil war in Ireland: Three essays on the treaty debate: Days of decision | Lyons, F. S. L. (Francis Stewart Leland) | Article in Book | | 1973 |
| George Francis Fitzgerald, 1851-1901 | O'Connor, J. J.Robertson, Edmund F. | Article in Book | | 2003 |
| George Johnstone Stoney, 1826-1911 | O'Hara, James G. | Article in Book | | 2003 |
| Grubbs of Dublin : telescope makers to the world | Elliott, Ian, 1936-2015 | Article in Book | | 2011 |
| Humphrey Lloyd, 1800-1881 | O'Hara, James G. | Article in Book | | 2003 |
| Intra-party decision-making in contemporary Europe : improving representation or ruling with empty shells? | Poguntke, ThomasScarroe, Susan E.Webb, Paul D. | Article in Journal | | 2022 |
| James MacCullagh, 1809-1847 | O'Hara, James G. | Article in Book | | 2003 |
| John A. McClelland 1870-1920 | O'Connor, Thomas | Article in Book | | 2003 |
| John Desmond Bernal, 1901-1971 | Johnston, Roy | Article in Book | | 2003 |
| John Joly, 1857-1933 | Coonan, S.Weaire, Denis | Article in Book | | 2003 |
| John Sealy Edward Townsend, 1868-1957 | McCartney, Mark, 1967- | Article in Book | | 2003 |
| John Stewart Bell, 1928-1990 | Whitaker, Andrew | Article in Book | | 2003 |
| John Synge, 1897-1995 | Florides, Petros S. | Article in Book | | 2003 |
| John Tyndall, 1820-1893 | McMillan, Norman | Article in Book | | 2003 |
| Joseph Larmor, 1857-1942 | Flood, Raymond | Article in Book | | 2003 |
| Labour, Northern Ireland and the decision to send in the troops | Rose, Peter | Article in Book | | 1996 |
| Lochlainn Ó Raifeartaigh, 1933-2000 | Sen, Siddhartha | Article in Book | | 2003 |
| Murder or manslaughter? A 1739 decision of the Irish King's Bench | Osborough, W. N. (William Nial) | Article in Journal | | 2004 |
| Neighbourhood, community and residential change decisions in the Dublin Jewish community | Waterman, Stanley | Article in Journal | | 1983 |
| New perspectives on the penal laws | | Monograph or Collective Volume | ECIS | 2011 |
| Nicholas Callan, 1799-1864 | McKeith, Niall E. | Article in Book | | 2003 |
| Old Dun Laoghaire and neighbourhood | Goodbody, Olive | Article in Journal | | 1991 |
| Physicists of Ireland : passion and precision | | Monograph or Collective Volume | Institute of Physics | 2003 |
| Planning and place making in Donegal : an exercise in democratic decision-making | O'Sullivan, Brendan | Article in Book | | 2013 |
| Plans of invasion of the British Isles | Rose, John Holland | Article in Book | | 1927 |
| Pricing decisions for Ontario land : the farm community and the spectator in Essex County during the first half of the nineteenth century | Clarke, J. | Article in Journal | | 1987 |
| R. (Martin) v Mahony : the History of a Classical Certiorari Authority | Costello, Kevin | Article in Journal | | 2006 |
| Re-thinking the western European marriage pattern : the decision to marry in Ireland at the turn of the twentieth century | Guinnane, Timothy W. | Article in Journal | | 1991 |
| Robert Boyle, 1627-1691 | Burns, D. Thorburn (Duncan Thorburn) | Article in Book | | 2003 |
| Samuel Haughton | McMillan, NormanSpearman, David | Article in Journal | | 2005 |
| Samuel Haughton, 1821-1897 | McMillan, Norman | Article in Book | | 2003 |
| Searching for evidence. The unthinkable is precisely Seán Hillen's territory, writes Mic Moroney of his collaged images that juxtapose grim incident with postcard-pretty scenery | Moroney, Mic | Article in Journal | | 2015 |
| Sins of the father : tracing the decisions that shaped the Irish economy | McCabe, Conor | Monograph or Collective Volume | History Press | 2011 |
| Sir William McCrea, 1904-1999 | Williams, J. | Article in Book | | 2003 |
| The political economy of grand strategy | Narizny, Kevin, 1974- | Monograph or Collective Volume | Cornell University Press|University Presses Marketing [distributor] | 2007 |
| The political role of cabinet ministers in Ireland | Farrell, Brian | Article in Book | | 1994 |
| The road to Crossbarry : the decisive battle of the war of independence | Begley, Diarmuid | Monograph or Collective Volume | Deso Publications | 1999 |
| The Roscrea foundling case | Doran, Liam | Article in Journal | | 1983 |
| Thomas Andrews, 1813-1885 | Burns, D. Thorburn (Duncan Thorburn) | Article in Book | | 2003 |
| Thomas Grubb 1800-1878 and Howard Grubb 1844-1931 | Whitaker, Andrew | Article in Book | | 2003 |
| Tiberius, bishop of Down and Connor, 1489 to 1519. [Précis of an article by Revd. James O'Laverty 1904] | Connolly, Al | Article in Journal | | 2002 |
| To choose one Easter from three: Oswiu's decision and the Northumbrian Synod of AD 664 | Dailey, E.T. | Article in Journal | | 2015 |
| Voltaire's view of the Irish | Gargett, Graham | Article in Book | | 1999 |
| Walter Heitler, 1904-1981 | Glass, David Victor | Article in Book | | 2003 |
| When Dublin responded to blitzed Belfast's may-day | Fallon, Donal | Article in Journal | | 2011 |
| William Molyneux, 1656-1698 | McMillan, NormanWayman, Patrick | Article in Book | | 2003 |
| William Parsons, earl of Rosse, 1800-1867 | Strunz, Bob | Article in Book | | 2003 |
| William Petty, 1623-1687 | McMillan, Norman | Article in Book | | 2003 |
| William Rowan Hamilton, 1805-1865 | O'Connor, KevinRobertson, Edmund F. | Article in Book | | 2003 |
| William Thomson (Lord Kelvin), 1824-1907 | McCartney, Mark, 1967- | Article in Book | | 2003 |
| With wings as eagles : fifty years of missile manufacturing in Belfast, 1952-2002 | Waugh, Eric | Monograph or Collective Volume | Corporate Document Services | 2003 |