Columbia subject headings:
Harvard subject headings:
Harmony (Philosophy)
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716
Metaphysics
Philosophy, Modern--17th century.
Princeton subject headings:
Harmony (Philosophy)
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716.
Metaphysics.
Philosophy, Modern--17th century.