Premise: Dr. Jean Dunbabin is an honorary fellow of St Anne's College, University of Oxford. Dunbabin specialises in medieval political communities in France c. 1000-c.1350, and in southern Italy and Sicily 1250-1310, and medieval political thought. She is a fellow of the British Academy.
Hypothesis: Dr. Dunbabin specilizes in about 350 years of medieval political communities in France but only 60 years in southern Italy and Sicily.