Columbia subject headings:
Architecture, Norman--England.
Castles--England--History.
Fortification--England--History.
Great Britain--Charters, grants, privileges.
Great Britain--History--Angevin period, 1154-1216.
Great Britain--History--Norman period, 1066-1154.
Normans--England--History.
Harvard subject headings:
Architecture, Norman--England.
Castles--England--History.
Fortification--England--History.
Great Britain--Charters, grants, privileges.
Great Britain--History--Angevin period, 1154-1216
Great Britain--History--Norman period, 1066-1154.
Normans--England--History.
Princeton subject headings:
Architecture, Norman--England.
Castles--England--History.
Fortification--England--History.
Great Britain--Charters, grants, privileges.
Great Britain--History--Angevin period, 1154-1216.
Great Britain--History--Norman period, 1066-1154.
Normans--England--History.