Columbia subject headings:
Harvard subject headings:
Christianity and literature.
Cycles (Literature)
French literature--To 1500--History and criticism
Grail--Legends--History and criticism
Literature, Medieval--History and criticism
Romances--History and criticism.
Spirituality in literature
Princeton subject headings:
Christianity and literature.
Cycles (Literature)
French literature--To 1500--History and criticism.
Grail--Legends--History and criticism.
Literature, Medieval--History and criticism.
Romances--History and criticism.
Spirituality in literature.