Columbia subject headings:
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716.
Newton, Isaac, 1642-1727.
Space and time.
Harvard subject headings:
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716
Newton, Isaac, 1642-1727
Space and time.
Princeton subject headings:
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716.
Newton, Isaac, 1642-1727.
Space and time.