1. Anscombe G.E.M. 1957 Intention. Blackwell, Oxford
2. Aristotle, “The Physics”, in The Basic Works of Aristotle, R. P. Hardie and R.K.Gaye (tr) ed. Richard McKeon (New York: Random House, 1941)
3. Augustine Confessions, R.S. Pine-Coffin (tr), (London: Penguin, 1961)
4. Bergson, Henri, Time and Free Will: An Essay on the Immediate Data of Consciousness, F.L. Pogson (tr), (Mineola, NY: Dover, 2001 (1989))
5. Bergson, Henri,Creative Evolution, Arthur Mitchell (tr), (New York: Henry Holt and Company, 1911a (1907))