Columbia subject headings:
Arthur, King--In literature.
Arthurian romances--History and criticism.
Welsh literature--To 1550--History and criticism.
Harvard subject headings:
Arthur, King--In literature.
Arthurian romances--History and criticism.
Wales--Intellectual life--To 1500.
Welsh literature--To 1550--History and criticism.
Princeton subject headings:
Arthur, King--In literature.
Arthurian romances--History and criticism.
Welsh literature--To 1550--History and criticism.