Tyerman's research interests lie in crusading in medieval western Europe, which he has explored from cultural, social, religious and political angles. He has focused especially on the high Middle Ages and medieval France. He has also published works on the history of education, including a monograph history of Harrow School. His published works include:
"Marino Sanudo Torsello and the Lost Crusade: Lobbying in the Fourteenth Century", Transactions of the Royal Historical Society, 5th Series, vol. 32
"Philip V of France, the assemblies of 1319-20 and the Crusade", Bulletin of the Institute of Historical Research, vol. lvii, no. 135
"Sed nihil fecit? The last Capetians and the Recovery of the Holy Land", War and Government in the Middle Ages, ed. J. Gillingham & J. C. Holt
"The Holy Land and the Crusades in the Thirteenth and Fourteenth Centuries", Crusade and Settlement, ed. P. W. Edbury
"Philip VI of France and the Recovery of the Holy Land", English Historical Review, c
"Some English evidence of attitudes to the crusade in the thirteenth century", Thirteenth Century Studies, i, ed. S. Lloyd
England and the Crusades 1095–1588
"Harrow School in the late eighteenth and early nineteenth centuries", Journal of the Byron Society, 1989
"Who went on Crusade to the Holy Land?", The Horns of Hattin, ed. B. Z. Kedar
"Were there any Crusades to the Holy Land in the Twelfth Century?", English Historical Review, cx
Who’s Who in Early Medieval England 1066–1272
The Invention of the Crusades
"Holy War, Roman Popes, and Christian Soldiers: Some Early Modern Views on Medieval Christendom", The Medieval Church: Universities, Heresy and the Religious Life, ed. P. Biller and B. Dobson, Studies in Church History: Subsidia 11
"Principes et Populus: Civil Society and the First Crusade", Cross, Crescent and Conversion, ed. S. Barton and P. Linehan
"The Expansion of Europe and the Crusades", A Companion to the Medieval World, ed. C. Lansing and E. English
"Court, Crusade and City: The cultural milieu of Louis I, duke of Bourbon", Soldiers, Nobles and Gentlemen: Essays in Honour of Maurice Keen, ed. P. Coss and C. Tyerman
Soldiers Nobles and Gentlemen: Essays in Honour of Maurice Keen
"Henry of Livonia and Crusade Ideology", Crusading and Chronicle Writing on the Medieval Frontier, ed. M. Tamm, L. Kaljundi and C. Selch Jensen
"New wine in old skins? The Crusade and the Eastern Mediterranean in the Later Middle Ages", Byzantines, Latins and Turks in the Eastern Mediterranean World after 1150, ed. C. Holmes and J. Harris
