Columbia subject headings:
Harvard subject headings:
Feudalism--Italy--Veneto.
Social classes--Italy--Veneto--History.
Veneto (Italy)--History.
Veneto (Italy)--Social life and customs.
Princeton subject headings:
Feudalism--Italy--Veneto.
Social classes--Italy--Veneto--History.
Veneto (Italy)--History.
Veneto (Italy)--Social life and customs.