| "Divide and rule" : factionalism as royal policy in the lordship of Ireland, c. 1171-1265 | Crooks, Peter | Article in Journal | | 2005 |
| "Hobbes", "dogs" and politics in the Ireland of Lionel of Antwerp, c. 1361-6 : The Denis Bethell Memorial Prize Essay 2005 | Crooks, Peter | Article in Journal | | 2006 |
| 'Tyrannous constructs' or Tools of the Trade? the use and abuse of concepts in medieval history | Armstrong, Jackson W. ; Crooks, Peter ; Ruddick, Andrea | Article in Book | NA | 2022 |
| A Century of Recovery - and Beyond | | Monograph or Collective Volume | Virtual Record Treasury of Ireland - Maoinchiste Annála Samhalta na hÉireann | 2022 |
| Archives in crisis: in 1922 the bulk of Ireland's documentary heritage was destroyed. To debate a proposed merger of the National Archives of Ireland into the National Library, this symposium poses a stark question: what will be the state of Irish archives in 2022 on the centenary of the Four Courts blaze? | Crooks, Peter | Article in Journal | | 2010 |
| Before Humpty Dumpty : the first English empire and the brittleness of bureaucracy, 1259-1453 | Crooks, Peter | Article in Book | | 2016 |
| Colony | Crooks, Peter | Article in Book | | 2022 |
| Exporting Magna Carta : exclusionary liberties in Ireland and the world | Crooks, Peter | Article in Journal | | 2015 |
| Factions, feuds and noble power in the Lordship of Ireland, c.1356-1496 | Crooks, Peter | Article in Journal | | 2007 |
| Government, war and society in English Ireland, 1171-1541 : a guide to recent work | Crooks, Peter | Article in Book | | 2008 |
| Government, War and Society in Medieval Ireland: Essays by Edmund Curtis, A.J. Otway-Ruthven and James Lydon | Curtis, Edmund, 1881-1943Lydon, James F.Otway-Ruthven, Annette Jocelyn, 1909-1989 | Monograph or Collective Volume | Four Courts Press | 2008 |
| James the usurper of Desmond and the origins of the Talbot-Ormond feud | Crooks, Peter | Article in Book | | 2013 |
| Negotiating authority in a colonial capital : Dublin and the Windsor crisis, 1369-78 | Crooks, Peter | Article in Book | | 2009 |
| Reconstructing the past : the case of the medieval Irish chancery rolls | Crooks, Peter | Article in Book | | 2013 |
| Representation and dissent: 'Parliamentarianism' and the structure of politics in Colonial Ireland, c.1370-1420 | Crooks, Peter | Article in Journal | | 2010 |
| Review article. Medieval Ireland and the wider world | Crooks, Peter | Article in Journal | | 2009 |
| State of the union : perspectives on English imperialism in the late middle ages | Crooks, Peter | Article in Journal | | 2011 |
| The "Calculus of Faction" and Richard II's Duchy of Ireland, c. 1382-9 | Crooks, Peter | Article in Book | | 2008 |
| The ascent and descent of Desmond under Lancaster and York | Crooks, Peter | Article in Book | | 2016 |
| The background to the arrest of the fifth Earl of Kildare and Sir Christopher Preston in 1418 : a missing membrane | Crooks, Peter | Article in Journal | | 2007 |
| The Geraldines and medieval Ireland : the making of a myth | | Monograph or Collective Volume | Four Courts Press | 2016 |
| The Lecky professors | Crooks, Peter. | Article in Book | | 2008 |
| The medieval Irish town | Otway-Ruthven, Annette Jocelyn, 1909-1989 | Article in Book | | 2010 |
| The past as a bucket of ashes? CIRCLE: A calendar of Irish Chancery Letters, c.1244-1509 | Crooks, Peter | Article in Journal | | 2011 |
| The Plantagenet Empire, 1259-1453: Proceedings of the 2014 Harlaxton Symposium | | Monograph or Collective Volume | Shaun Tyas (Paul Watkins Publishing) | 2016 |
| The structure of politics in theory and practice, 1210–1541 | Crooks, Peter | Article in Book | | 2018 |
| The Virtual Record Treasury of Ireland: A century of recovery from the Four Courts blaze - and beyond | Crooks, PeterReid, ZoeWallace, Ciarán | Article in Journal | | 2022 |
| Using concepts in medieval history : perspectives on Britain and Ireland, 1100-1500 | | Monograph or Collective Volume | Springer | 2022 |
| ‘The records of a country are its noblest inheritance’ : Beyond 2022 – Ireland’s virtual record treasury research project | Crooks, PeterWallace, Ciarán | Article in Journal | | 2020 |