Columbia subject headings:
Harmony of the spheres.
Music and science.
Music--Philosophy and aesthetics.
Organ (Musical instrument)--History.
Harvard subject headings:
Harmony of the spheres.
Music and science.
Music--Philosophy and aesthetics
Organ (Musical instrument)--History
Princeton subject headings:
Astronomy--History.
Cosmology--History.
Music and science.
Organ (Musical instrument)--History.