Columbia subject headings:
Harvard subject headings:
Conway, Anne, 1631-1679.
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716
Masham, Damaris, Lady, 1658-1708
Metaphysics
Princeton subject headings:
Conway, Anne, 1631-1679.
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716.
Philosophy, Modern--17th century.