Columbia subject headings:
Harvard subject headings:
Arthurian romances--History and criticism.
European literature--History and criticism.
Iseult (Legendary character)--In literature.
Iseult (Legendary character)--Romances--History and criticism.
Legends--Europe
Literature, Medieval--History and criticism
Tristan (Legendary character)--In literature.
Tristan (Legendary character)--Romances--History and criticism.
Princeton subject headings:
Arthurian romances--History and criticism.
European literature--History and criticism.
Iseult (Legendary character) in literature.
Iseult (Legendary character)--Romances--History and criticism.
Legends--Europe.
Literature, Medieval--History and criticism.
Romances.
Tristan (Legendary character) in literature.
Tristan (Legendary character)--Romances--History and criticism.