| 'Palmers' as ex-Crusaders in Irish urban environments? The evidence of the Dublin Guild Merchant Roll | Swift, Catherine | Article in Book | | 2022 |
| 'Ung sage et valent home': Hugh de Lacy and the Albigensian Crusade | Duffy, Paul | Article in Journal | | 2011 |
| A Dublin ‘crusader’ | Purcell, Emer | Article in Book | | 2022 |
| Ailsoling Tundail | Ó Maoil, Chonaire | Article in Book | | 1907 |
| Bataille de Baziege de 1219: donnees nouvelles sur le cadre de la bataille | Aries, Lucien | Article in Book | | 2017 |
| Britain, Ireland and the crusades, c. 1000-1300 | Hurlock, Kathryn | Monograph or Collective Volume | Palgrave Macmillan | 2013 |
| Conquest as Crusade: Ireland’s invasion and a colonial plea to the papacy | Callan, Maeve | Article in Book | | 2022 |
| Crusading Rhetoric and Anglo-Irish Relations, c. 1300–1600 | Hurlock, Kathyrn | Article in Book | | 2022 |
| Curtailing Kings: Ireland, the Cathar Crusade and the cult of Simon de Montfort | Duffy, Paul | Article in Book | | 2022 |
| England and her neighbours, 1066-1453 : essays in honour of Pierre Chaplais | | Monograph or Collective Volume | Hambledon | 1989 |
| Fortune's wheel : the rise, fall and restoration of Hugh II de Lacy, Earl of Ulster, 1190-1242 | Brown, Daniel J. F. | Thesis | | |
| From Carrickfergus to Carcassonne: Hugh de Lacy and the Albigensian Crusade | Brown, Daniel J. F.Duffy, Paul | Article in Book | | 2017 |
| From Carrickfergus to Carcassonne: the epic deeds of Hugh de Lacy during the Albigensian crusade | | Monograph or Collective Volume | Brepols | 2017 |
| From the Boyne Valley to the Holy Land: the crusading tradition of Geoffrey de Geneville and Jean de Joinville | McDonnell, Ciarán | Article in Book | | 2022 |
| From the plains of Meath to the sands of Egypt: Geoffrey de Geneville and Jean de Joinville, crusader brothers | McDonnell, Ciarán | Article in Journal | | 2018 |
| Gerald of Wales : a review of recent work | Walker, David, 1923- | Article in Journal | | 1975 |
| Gerald of Wales, 1 : early life and works; 2 : 1188-1223 | McGurk, J. N. N. (John James Noel) | Article in Journal | | 1975 |
| Hugh de Lacy, first earl of Ulster: Rising and falling in Angevin Ireland | Brown, Daniel J. F. | Monograph or Collective Volume | Boydell & Brewer | 2016 |
| Inspiring Irish crusaders: St Bernard’s writings and Cistercian impact | Picard, Jean-Michel | Article in Book | | 2022 |
| Ireland and the Crusades | NA | Monograph or Collective Volume | Four Courts Press | 2022 |
| Ireland and the crusades | Costello, Con | Article in Journal | | 1970 |
| Ireland and the Crusades: surveying the field | Coleman, Edward | Article in Book | | 2022 |
| Ireland and the first crusade | Kostick, Conor, 1964- | Article in Journal | | 2003 |
| Irish involvement in the First and Second Crusades : a reconsideration of eleventh- and twelfth-century evidence | Casey, Denis | Article in Journal | | 2014 |
| L'auteur de al 'Visio Tnugdali' | Garrigues, Marie-Odile | Article in Journal | | 1987 |
| Martyrdom, miracles, visions and the First Crusade | McCready, Karl | Thesis | | 2001 |
| Primate Reginald and Henry III | O'Halloran, M. | Article in Journal | | 1952 |
| Reconstructing the manor of Ballyman: The Poor Knights of Christ and the Temple of Solomon in the southern marches of Dublin | McIlreavy, David | Article in Book | | 2022 |
| Regal poise: the ‘crossed-legged’ phenomenon on Irish effigy tombs during the age of the Crusades | Swift, Dave | Article in Book | | 2022 |
| Scholarly views of Shajarat Al-Durr : a need for consensus | Duncan, David | Article in Journal | | 1998 |
| Strategies of Comital and Crusader Lordship under Hugh II de Lacy | Brown, Daniel J. F. | Article in Book | | 2017 |
| The Cathar heresy and Anglo-Norman Ireland | Duffy, PaulO'Keeffe, TadhgPicard, Jean-Michel | Article in Book | | 2017 |
| The Chateau Narbonnais of Toulouse during the siege of 1218 | Catalo, Jean | Article in Book | | 2017 |
| The Church and war : papers read at the Twenty-first Summer Meeting and the Twenty-second Winter Meeting of the Ecclesiastical History Society | | Monograph or Collective Volume | | 1983 |
| The crusader's tale | Coleman, Edward | Article in Book | | 2014 |
| The crusades to 1291 in the annals of medieval Ireland | Hurlock, Kathryn | Article in Journal | | 2011 |
| The exiled earl and soon-to-be-saint. Hugo de Lacy and the Albigensian Crusade | Duffy, Paul | Article in Journal | | 2016 |
| The inhabitants of the British Isles on the first crusade : medieval perceptions and the invention of a Pan-Angevin crusading heritage | Parsons, Simon Thomas | Article in Journal | | 2019 |
| The Irish crusade : a history of the Knights Hospitaller, the Knights Templar, and the Knights of Malta, in the south-east of Ireland | Byrne, Niall J. | Monograph or Collective Volume | Linden Publishing | 2007 |
| The Irish Order of St Thomas the Martyr of Acre | Byrne, Niall | Article in Journal | | 2009 |
| The medieval hospital in Ireland: a comment on the crusader connection | Ivory, Thomas | Article in Book | | 2022 |
| The Military-Religious Orders in Ireland: their patrons and their purpose | Nicholson, Helen J. | Article in Book | | 2022 |
| Tuitio Fidei? The Irish Hospitallers at war | Virtuani, Paolo | Article in Book | | 2022 |
| War and government in the middle ages : essays in honour of J.O. Prestwich | | Monograph or Collective Volume | | 1984 |
| Were there any Irish names among the first crusades | Marmion, William F. K. | Article in Journal | | 1999 |