Columbia subject headings:
Harvard subject headings:
City-states--Italy--History--To 1500.
Veneto (Italy)--History.
Veneto (Italy)--Politics and government.
Venice (Italy)--History--697-1508.
Venice (Italy)--Politics and government--697-1508.
Princeton subject headings:
City-states--Italy--History--To 1500.
Venice (Italy)--History--697-1508.
Venice (Italy)--Politics and government--697-1508.