Columbia subject headings:
Harvard subject headings:
Arthur, King--Legends.
Arthurian romances--History and criticism.
Arthurian romances.
German literature--Middle High German, 1050-1500--History and criticism
Kings and rulers in literature
Middle Ages in literature.
Princeton subject headings:
Arthur, King--In literature.
Arthurian romances--Study and teaching.
Kings and rulers in literature.
Middle Ages in literature.