Columbia subject headings:
Chrétien, de Troyes, active 12th century. Perceval le Gallois.
Grail--Legends--History and criticism.
Harvard subject headings:
Arthurian romances--History and criticism.
ChreÌtien, de Troyes, active 12th century--Technique.
Chrétien, de Troyes, active 12th century--Technique.
Chrétien, de Troyes, active 12th century. Perceval le Gallois.
Grail--Legends--History and criticism
Narration (Rhetoric)
Narration (Rhetoric)--History--To 1500
Perceval (Legendary character)--Romances--History and criticism.
Rhetoric, Medieval.
Princeton subject headings: