Columbia subject headings:
Cities and towns--Italy--History.
Clans--Italy--History.
Nobility--Italy--History.
Social history--Medieval, 500-1500.
Harvard subject headings:
Cities and towns, Medieval--Italy
Cities and towns--Italy--History
Clans--Italy--History--To 1500.
Clans--Italy--History.
Nobility--Italy--History
Nobility--Italy--History--To 1500.
Social history--Medieval, 500-1500
Princeton subject headings:
Cities and towns, Medieval--Italy.
Clans--Italy--History--To 1500.
Nobility--Italy--History--To 1500.
Social history--Medieval, 500-1500.