Columbia subject headings:
Arthur, King--In literature.
Arthurian romances--Sources.
Welsh literature--To 1550--Themes, motives.
Harvard subject headings:
Arthur, King--In literature.
Arthurian romances--Sources.
Civilization, Medieval, in literature
Kings and rulers in literature
Knights and knighthood in literature.
Welsh literature--To 1550--Themes, motives.
Princeton subject headings:
Arthurian romances--History and criticism.
Comparative literature--Themes, motives.
Literature, Medieval--History and criticism.
Welsh literature--To 1550--History and criticism.