Columbia subject headings:
Gottfried, von Strassburg, active 13th century. Tristan.
Masks in literature.
Tristan (Legendary character)--Romances--History and criticism.
Harvard subject headings:
German literature--History and criticism
Identity (Philosophical concept) in literature.
Literature, Medieval--History and criticism
Tristan (Legendary character)--In literature.
Princeton subject headings:
Gottfried, von Strassburg, active 13th century. Tristan.
Masks in literature.
Tristan (Legendary character)--Romances--History and criticism.