Columbia subject headings:
Aesthetics--History.
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716--Aesthetics.
Music--Philosophy and aesthetics--History.
Harvard subject headings:
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716--Contributions in music.
Music theory--History--17th century.
Princeton subject headings: