Columbia subject headings:
Nobility--Europe--Social conditions.
Privileges and immunities--Europe.
Social history--Medieval, 500-1500.
Harvard subject headings:
Europe--Politics and government--476-1492.
Nobility--Europe--History
Privileges and immunities--Europe.
Social history--Medieval, 500-1500
Princeton subject headings:
Nobility--Europe--Social conditions.
Privileges and immunities--Europe.
Social history--Medieval, 500-1500.