Columbia subject headings:
Great Britain--History--Anglo-Saxon period, 449-1066.
Harvard subject headings:
Great Britain--History--Anglo Saxon period, 449-1066--Sources.
Great Britain--History--Anglo Saxon period, 449-1066.
Great Britain--History--Norman period, 1066-1154--Sources.
Princeton subject headings:
Great Britain--History--Anglo-Saxon period, 449-1066--Sources.