Columbia subject headings:
Harvard subject headings:
Ethics
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716
Metaphysics
Mind and body
Political science--History
Substance (Philosophy)
Princeton subject headings:
Ethics.
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716.
Metaphysics.
Mind and body.
Political science--History.
Substance (Philosophy)