Columbia subject headings:
Epic poetry, German--History and criticism.
German poetry--Middle High German, 1050-1500--History and criticism.
Harvard subject headings:
Civilization, Medieval, in literature.
Epic poetry, German--History and criticism.
German poetry--Middle High German, 1050-1500--History and criticism
Gottfried, von Strassburg, active 13th century. Tristan.
Hartmann, von Aue, active 12th century. Erec.
Wolfram, von Eschenbach, active 12th century. Parzival.
Wolfram, von Eschenbach, active 12th century. Willehalm.
Princeton subject headings:
Abstraction in literature.
Epic poetry, German--History and criticism.
German poetry--Middle High German, 1050-1500--History and criticism.
Reflection (Philosophy) in literature.