Werken
Italian Merchant Bankers in North-Western Europe in the Late Middle Ages
Reeksen
Variorum Collected Studies
Armies and Warfare in Carolingian East Francia and Ottonian Germany
Epigraphy and Theory in the Study of Early Islam
From Clovis to Charlemagne: Frankish History and Historians
Italian Merchant Bankers in North-Western Europe in the Late Middle Ages
Myth and Reality: Studies on the Templars and Hospitallers, Medieval Narratives, and the Trial of the Templars
The Making of Irish Geology 1740–1940
Venice Between Magnificence and Misery