Publications

‘Not Sharing the Holy Land: Attitudes towards Sacred Space in Papal Crusade Calls, 1095–1234’, Al-Masāq: Journal of the Medieval Mediterranean, 34 (2022), 140–61.

‘A Late Medieval Bible in Rugby School Archives’, Manuscripta, 64.1 (2020), 117–26.

‘First Crusade Letters and Medieval Monastic Scribal Cultures’, Journal of Ecclesiastical History, 71 (2020), 484–501.

‘Audita tremendi and the Call for the Third Crusade Reconsidered, 1187–1188’, Viator, 49.3 (2020 for 2018), 63–101.

‘Framing the Narrative of the First Crusade: The Letter given at Laodicea in September 1099’, Journal of Religious History, Literature and Culture, 5 (2019), 17–33.

‘How to Craft a Crusade Call: Pope Innocent III and Quia maior (1213)’, Historical Research, 92 (2019), 2–23.

‘The Dynamism of a Crusade Encyclical: Pope Honorius III and Iustus Dominus (1223)’, Deutsches Archiv für Erforschung des Mittelalters, 74 (2018), 111–42. 

‘Scribal Crusading: Three New Manuscript Witnesses to the Regional Reception and Transmission of First Crusade Letters’, Traditio, 72 (2017), 133–69.

‘Oliver of Cologne’s Historia Damiatina: A New Manuscript Witness in Dublin, Trinity College Library MS 496’, Hermathena, 194 (2017 for 2013), 37–68. 

‘The First Crusade Letter Written at Laodicea in 1099: Two Previously Unpublished Versions from Munich, Bayerische Staatsbibliothek Clm 23390 and 28195’, Crusades, 15 (2016), 1–25.

‘Papal Executors and the Veracity of Petitions from Thirteenth-Century England’, Revue d'histoire ecclésiastique, 110 (2015), 662–83. 

‘The Authorship of the Register of Bassus notarius’, Manuscripta, 59 (2015), 243–63. 

‘The Development of Papal Provisions in Medieval Europe’, History Compass, 13 (2015), 110–21. 

‘Between Two Kings: Pope Honorius III and the Seizure of the Kingdom of Jerusalem by Frederick II in 1225’, Journal of Medieval History, 41 (2015), 41–59. 

‘Authority and Liberty: John Wesley’s View of Medieval England’, Wesley and Methodist Studies, 7 (2015), 1–26. 

‘The College of Cardinals under Honorius III: A Nepotistic Household?’, Studies in Church History, 50 (2014), 74–85. 

‘English Episcopal Acta and Thirteenth-Century Petitions to the Pope’, Archives, 40 (2014), 16–22. 

‘Honorius III and the Crusade: Responsive Papal Government versus the Memory of his Predecessors’, Studies in Church History, 49 (2013), 99–109.

‘The Dissemination of Crusade Ideas in Epistolary Form’, in The Routledge Handbook of Crusade Texts, Images and Artefacts, ed. Simon Thomas Parsons and Linda Paterson (London: Routledge, invited) (c. 8,000 words).

‘The Imprint of the Third Crusade in the Manuscript Traditions of Western Europe’ (co-authored with Stephen J. Spencer), in The Third Crusade (1189–1192): New Interpretations, ed. Stephen Bennett and John D. Hosler (Woodbridge: The Boydell Press, invited) (c. 8,000 words).

‘Documentary Sources for the Crusades’ (co-authored with Jan Vandeburie), in The Cambridge History of the Crusades, gen. ed. Jonathan Phillips (Cambridge: Cambridge University Press, under contract) (c. 12,000 words). 

‘The Papacy and the Crusading Movement in Later Medieval Britain’, in The New Cambridge History of Britain, Vol. II: 1100–1500. ed. Peter Crooks (Cambridge: Cambridge University Press, submitted, forthcoming) (9,082 words).

‘History-Writing and Remembrance in Crusade Letters’, in Crusade, Settlement, and Historical Writing in the Latin East and Latin West, ed. Andrew D. Buck, James H. Kane and Stephen J. Spencer (Woodbridge, The Boydell Press, submitted, forthcoming) (6,473 words).

‘The Diplomatic of Laudabiliter Reconsidered’, in Invasion 1169: The Anglo-Norman Invasion of Ireland, ed. Peter Crooks and Seán Duffy (Dublin: Four Courts Press, submitted, forthcoming) (6,783 words).

‘The Letters of Pope Paschal II regarding the First Crusade: The Liberation of the Eastern Church versus Christocentric Devotion’, in Medieval Ecclesiastical History and Culture in Central Europe: Texts and Contexts, ed. T. J. H. McCarthy, Christine Meek, and Patrick Healy (Amsterdam: Amsterdam University Press, submitted, forthcoming) (9,996 words).

‘The Registers of Pope Honorius III: A Quantitative Approach’, in Innocenz., Honorius III. und ihre Briefe: Die Edition der päpstlichen Kanzleiregister im Kontext der Geschichtsforschung, ed. Andrea Sommerlechner and Herwig Weigl (Vienna: Böhlau, 2023), pp. 211–23.

‘Papal Communication and the Fifth Crusade, 1217–1221’, in Communicating Papal Authority in the Middle Ages, ed. Minoru Ozawa, Thomas W. Smith and Georg Strack (London: Routledge, 2023), 100–15.

‘New Manuscript Witnesses to the Gesta Francorum et aliorum Hierosolimitanorum, the Historia Ierosolimitana of Albert of Aachen, and the Historia Hierosolymitana of Fulcher of Chartres: Preliminary Observations’, in Chronicle, Crusade, and the Latin East: Essays in Honour of Susan B. Edgington, ed. Andrew D. Buck and Thomas W. Smith (Turnhout: Brepols, 2022), 35–50.

‘The Charters of the Fifth Crusade Revisited’, in Settlement and Crusade in the Thirteenth Century: Multidisciplinary Studies of the Latin East, ed. Judith Bronstein, Gil Fishhof and Vardit Shotten-Hallel (London: Routledge, 2021), 197–208. 

‘The Italian Connection Reconsidered: Papal Provision in Thirteenth-Century England', in Thirteenth Century England XVII, ed. Andrew Spencer and Carl Watkins (Woodbridge: The Boydell Press, 2021), 147–62.

‘Why were there so few Papal Provisions in Thirteenth-Century Dublin?’, in Medieval Dublin XVIII, ed. Seán Duffy (Dublin: Four Courts Press, 2020), 169–82.

‘The Interface between Papal Authority and Heresy: The Legates of Honorius III in Languedoc, 1216–1227’, in Authority and Power in the Medieval Church, c.1000–c.1500, ed. Thomas W. Smith (Turnhout: Brepols, 2020), 135–44.

‘English Episcopal Documents and Supplicatory Strategies at the Roman Curia in the Thirteenth Century’, in Stilus – usus – modus: Spielregeln der Konflikt- und Verhandlungsführung am Papsthof des Mittelalters – Rules of Negotiation and Conflict Resolution at the Papal Court in the Middle Ages, ed. Georg Strack and Jessika Nowak (Turnhout: Brepols, 2019), 159–74.

‘The Papacy, Petitioners and Benefices in Thirteenth-Century England’, in Petitions and Strategies of Persuasion in the Middle Ages: The English Crown and the Church, c.1200–c.1550, ed. Thomas W. Smith and Helen Killick (York: York Medieval Press, 2018), 164–84.

‘Conciliar Influence on Ad liberandam’, in The Fourth Lateran Council and the Crusade Movement: The Impact of the Council of 1215 on Latin Christendom and the East, ed. Jessalynn L. Bird and Damian J. Smith (Turnhout: Brepols, 2018), 219–39.

‘Preambles to Crusading: The Arengae of Crusade Letters issued by Innocent III and Honorius III’, in Papacy, Crusade and Christian-Muslim Relations, ed. Jessalynn L. Bird (Amsterdam: Amsterdam University Press, 2018), 63–78. 

‘An Unknown Fragment of Peter von Dusburg’s Chronicon terrae Prussiae in Dublin, Trinity College Library MS 516', in W służbie zabytków [‘In the Service of Monuments’], ed. Janusz Hochleitner and Karol Polejowski (Marlbork: Muzeum Zamkowe w Malborku, 2017), 151–4.

‘The Use of the Bible in the Arengae of Pope Gregory IX’s Crusade Calls’, in The Uses of the Bible in Crusader Sources, ed. Elisabeth Lapina and Nicholas Morton (Leiden: Brill, 2017), 206–35. 

‘The Role of Pope Honorius III in the Fifth Crusade’, in The Fifth Crusade in Context: The Crusading Movement in the Early Thirteenth Century, ed. E. J. Mylod, Guy Perry, Thomas W. Smith and Jan Vandeburie (London: Routledge, 2017), 15–26. 

‘Pope Honorius III, the Military Orders and the Financing of the Fifth Crusade: A Culture of Papal Preference?’, in The Military Orders: Volume 6.1, ed. Jochen Schenk and Mike Carr (London: Routledge, 2017), 54–61. 

‘The Crusades’, in The Routledge Medieval Encyclopedia Online (‘Writing History: Methodology’ section, ed. Samu Niskanen) (forthcoming 2023) (2,909 words).