Columbia subject headings:
England--Social conditions--1066-1485.
Peasants--England--History--To 1500.
Harvard subject headings:
England--Economic conditions--1066-1485.
England--Social conditions--1066-1485.
Peasants--England--History--To 1500.
Princeton subject headings:
England--Social conditions--1066-1485.
Peasants--England--History--To 1500.