Columbia subject headings:
Harvard subject headings:
German drama--20th century--History and criticism.
Perceval (Legendary character)--Romances--Appreciation--Europe, German-speaking--History--20th century.
Wolfram, von Eschenbach, active 12th century. Parzival.
Princeton subject headings:
German drama--20th century--History and criticism.
Perceval (Legendary character)--Romances--Appreciation--Europe, German-speaking--History--20th century.
Romances.
Wolfram, von Eschenbach, active 12th century. Parzival.