Columbia subject headings:
Composers--Germany--Biography.
Wagner, Richard, 1813-1883--Health.
Wagner, Richard, 1813-1883--Mental health.
Harvard subject headings:
Wagner, Richard, 1813-1883--Health.
Wagner, Richard, 1813-1883--Mental health.
Princeton subject headings:
Composers--Germany--Biography.
Wagner, Richard, 1813-1883--Health.
Wagner, Richard, 1813-1883--Mental health.