Columbia subject headings:
Harmony of the spheres.
Music--France--Philosophy and aesthetics.
Symbolism in music.
Harvard subject headings:
Harmony of the spheres.
Music--France--History and criticism
Music--France--Philosophy and aesthetics.
Music--Philosophy and aesthetics
Pythagoras and Pythagorean school.
Symbolism in music.
Princeton subject headings:
Harmony of the spheres.
Music--France--Philosophy and aesthetics.
Symbolism in music.