Columbia subject headings:
Great Britain--History--Henry I, 1100-1135.
Nobility--Great Britain--History.
Normans--England--History.
Harvard subject headings:
Great Britain--History--Henry I, 1100-1135.
Nobility--Great Britain--History--To 1500
Nobility--Great Britain--History.
Normans--England--History.
Normans--Great Britain.
Princeton subject headings: