Columbia subject headings:
Arthurian romances--History and criticism.
Grail--Legends--History and criticism.
Lancelot (Legendary character)
Lancelot (Legendary character)--Romances--History and criticism.
Harvard subject headings:
Arthurian romances--History and criticism.
Grail--Legends--History and criticism
Knights and knighthood in literature.
Lancelot (Legendary character)--Romances--History and criticism.
Lancelot (Prose cycle)
Lancelot--Romances--History and criticism.
Princeton subject headings:
Arthurian romances--History and criticism.
Grail--Legends--History and criticism.
Lancelot (Legendary character)
Lancelot (Legendary character)--Romances--History and criticism.