Columbia subject headings:
Harvard subject headings:
Epic poetry, French--History and criticism.
Iseult (Legendary character)--History and criticism.
Iseult (Legendary character)--In literature.
Tristan (Legendary character)--History and criticism.
Tristan (Legendary character)--In literature.
Princeton subject headings:
Iseult (Legendary character)--Romances--History and criticism.
Tristan (Legendary character)--Romances--History and criticism.