Columbia subject headings:
Harvard subject headings:
Chrétien, 12th cent. Perceval le Gallois.
Chrétien, de Troyes, active 12th century. Perceval le Gallois.
Gerbert de Montreuil, active 13th century.
Grail--Legends--History and criticism
Grail. Legend.
Manessier, active 13th century.
Perceval (Legendary character)
Perceval (Legendary character)--Romances--History and criticism.
Wauchier de Denain, active 12th century.
Princeton subject headings:
Chrétien, de Troyes, active 12th century. Perceval le Gallois.
Gerbert, de Montreuil, active 13th century.
Grail. Legend.
Manessier, active 13th century.
Perceval (Legendary character)
Wauchier de Denain, active 12th century.