Columbia subject headings:
Dynamics.
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716.
Maupertuis, 1698-1759.
Metaphysics.
Harvard subject headings:
Princeton subject headings:
Dynamics.
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716--Metaphysics.
Maupertuis, 1698-1759.