Columbia subject headings:
Arthurian romances--History and criticism.
Chrétien, de Troyes, active 12th century.
Grail--Legends--History and criticism.
Perceval (Legendary character)--Romances--History and criticism.
Robert, de Boron, active 13th century.
Wauchier de Denain, active 12th century.
Harvard subject headings:
Princeton subject headings:
Arthurian romances--History and criticism.
Chrétien, de Troyes, active 12th century--Characters--Perceval.
Civilization, Medieval, in literature.
Cycles (Literature)
Grail--Romances--History and criticism.
Knights and knighthood in literature.
Perceval (Legendary character)--Romances--History and criticism.
Quests (Expeditions) in literature.
Robert, de Boron, active 13th century--Characters--Perceval.
Wauchier de Denain, active 12th century--Characters--Perceval.