Columbia subject headings:
Harvard subject headings:
Opera producers and directors--Germany--Bayreuth--Biography.
Opera producers and directors--Germany--Biography.
Wagner, Wieland, 1917-1966.
Princeton subject headings:
Bayreuther Festspiele.
Set designers--Germany--Biography.
Wagner, Richard, 1813-1883--Performances--Germany--Bayreuth.
Wagner, Wieland, 1917-1966.