1. Lederman, L. (1993) The God Particle. Dell Publishing, New York.
2. Philosophiae naturalis principia mathematica
3. Bible study led Newton to scientific discoveries
4. Taylor, C.C.W. (1999) The Atomists: Leucippus and Democritus, Fragments and Translation with Commentary. University of Toronto Press, Toronto.
5. Guthrie, W.K.C. (1962) A History of Greek Philopsophy, the Earlier Presocratics and the Pythagoreans. Cambridge University Press, Cambridge.