Columbia subject headings:
Harvard subject headings:
Arthur, King.
Arthurian romances--History and criticism.
Britons--Kings and rulers.
Christianity
Europe--History--To 476.
Great Britain--History--To 1066.
Princeton subject headings:
Arthur, King
Britons--Kings and rulers.
Christianity.
Europe--History--To 476.
Great Britain--History--To 1066.