Columbia subject headings:
Wagner, Richard, 1813-1883--Criticism and interpretation.
Harvard subject headings:
Composers--Germany--19th century--Biography.
Mann, Thomas, 1875-1955. Leiden und Grösse Richard Wagners.
Wagner, Richard, 1813-1883--Criticism and interpretation.
Princeton subject headings:
Wagner, Richard, 1813-1883--Criticism and interpretation.