Columbia subject headings:
Alchemy in literature.
Gottfried, von Strassburg, active 13th century. Tristan.
Symbolism of numbers in literature.
Tristan (Legendary character)--Romances--History and criticism.
Harvard subject headings:
Alchemy in literature.
Gottfried, von Strassburg, active 13th century. Tristan.
Symbolism of numbers in literature.
Tristan (Legendary character)--Romances--History and criticism.
Princeton subject headings: