Columbia subject headings:
Harvard subject headings:
Schopenhauer, Arthur, 1788-1860
Wagner, Richard, 1813-1883. Literary works. Selections. English
Wagner, Richard, 1813-1883. Parsifal.
Princeton subject headings:
Schopenhauer, Arthur, 1788-1860.
Wagner, Richard, 1813-1883. Literary works. Selections. English
Wagner, Richard, 1813-1883. Parsifal.