Columbia subject headings:
Gottfried, von Strassburg, active 13th century.
Property in literature.
Wolfram, von Eschenbach, active 12th century.
Harvard subject headings:
Gottfried, von Strassburg, active 13th century.
Property in literature.
Wolfram, von Eschenbach, active 12th century.
Princeton subject headings:
Gottfried, von Strassburg, active 13th century.
Property in literature.
Wolfram, von Eschenbach, active 12th century.