Columbia subject headings:
England--Social life and customs--1066-1485.
Gentry--England--Sussex--Social life and customs.
Knights and knighthood--England--Sussex.
Sussex (England)--History.
Harvard subject headings:
England--Social life and customs--1066-1485
Knights and knighthood--England--Sussex.
Sussex (England)--Gentry--Social life and customs.
Sussex (England)--History.
Princeton subject headings:
England--Social life and customs--1066-1485.
Gentry--England--Sussex.
Knights and knighthood--England--Sussex.
Sussex (England)--History.