Columbia subject headings:
Aristotle--Criticism and interpretation.
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716.
Monadology.
Harvard subject headings:
Aristotle
Aristotle--Criticism and interpretation.
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716
Monadology.
Philosophy, Ancient.
Princeton subject headings:
Aristotle--Criticism and interpretation.
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716--Criticism and interpretation.
Monadology.