Columbia subject headings:
Arthurian romances--History and criticism.
Cycles (Literature)
Grail--Legends--History and criticism.
Lancelot (Legendary character)--Romances--History and criticism.
Lancelot (Prose cycle)
Harvard subject headings:
Arthurian romances--History and criticism.
Cycles (Literature)
Grail--Legends--History and criticism
Intertextuality.
Lancelot (Legendary character)--Romances--History and criticism.
Princeton subject headings: