Columbia subject headings:
Harvard subject headings:
Drama festivals--Germany--Worms--History.
Music festivals--Germany--Worms--History.
Nibelungen in literature.
Nibelungen-Festspiele (2013 : Worms, Germany)
Nibelungenlied.
Wedel, Dieter, 1942-
Princeton subject headings:
Drama festivals--Germany--Worms--History.
Music festivals--Germany--Worms--History.
Nibelungen in literature.
Nibelungen-Festspiele (2013 : Worms, Germany)
Nibelungenlied.
Wedel, Dieter, 1942-