Columbia subject headings:
Aristocracy (Social class)--Italy--History--To 1500.
Nobility--Italy--History--To 1500.
Harvard subject headings:
Aristocracy (Social class)--Italy--Piedmont--History--14th century.
Nobility--Italy--Piedmont--History--14th century.
Princeton subject headings:
Aristocracy (Social class)--Italy--History--To 1500.
Nobility--Italy--History--To 1500.