Prosopography and Personenforschung of early medieval aristocracy in Europe.
Carolingian and post-Carolingian aristocracy in the kingdom of Italy.
Royal abbeys and fiscal estates of the kingdom of Italy (8th-12th cent.).
The royal abbey of St Sylvester of Nonantola and the episcopal church of Modena in Carolingian and post-Carolingian Italy.
Dynamics and strategies for creating and preserving early medieval monastic archives.
