Sources for the Leibniz Time Line

• Leibniz, G.W. Discourse on Metaphysics and other Essays, Ed. and Trans. Garber and Ariew, Indianapolis: Hackett Publish Company, 1991.
• Leibniz, G.W. Philosophical Writings, Ed. G.H.W. Parkinson, Trans. Morris and Parkinson, London: J.M. Dent and Sons, 1983.
• "Leibniz, G.W." Encyclopedia Britannica, 1957.
• "Leibniz, G.W." Encyclopedia of Philosophy, 1967.