Columbia subject headings:
Wolfram, von Eschenbach, active 12th century. Titurel.
Harvard subject headings:
Socialization in literature.
Wolfram, von Eschenbach, active 12th century. Titurel.
Princeton subject headings:
Arthurian romances--History and criticism.
Wolfram, von Eschenbach, active 12th century. Titurel.