Columbia subject headings:
Harvard subject headings:
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716
Mathematics--Philosophy--History--17th century.
Philosophy--History--17th century.
Princeton subject headings:
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716.
Mathematics--Philosophy--History--17th century.
Philosophy, Modern--17th century.