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