Columbia subject headings:
Freud, Sigmund, 1856-1939.
Goethe, Johann Wolfgang von, 1749-1832.
Wagner, Richard, 1813-1883.
Harvard subject headings:
Freud, Sigmund, 1856-1939
Goethe, Johann Wolfgang von, 1749-1832
Wagner, Richard, 1813-1883
Princeton subject headings:
Freud, Sigmund, 1856-1939.
Goethe, Johann Wolfgang von, 1749-1832.
Wagner, Richard, 1813-1883.