Columbia subject headings:
Music--Germany--19th century--History and criticism.
Music--Germany--20th century--History and criticism.
Music--Philosophy and aesthetics.
Nature in music.
Philosophy, German--19th century.
Philosophy, German--20th century.
Harvard subject headings:
Music--Germany--19th century--History and criticism
Music--Germany--20th century--History and criticism
Music--Philosophy and aesthetics
Nature in music.
Philosophy, German--19th century.
Philosophy, German--20th century.
Princeton subject headings:
Music--Philosophy and aesthetics.
Philosophy, German.
Senses and sensation.
Sound (Philosophy)