1. Aristotle. 1928. Sophistical refutations. W.A. Pickard-Cambridge (trans). In The works of Aristotle translated into English, vol 1. London: Oxford University Press.
2. Aristotle. 1928. Topics. In The works of Aristotle translated into English, vol 1 (trans: Pickard-Cambridge, W.A.). London: Oxford University Press.
3. Aristotle. 1954. Rhetoric. Trans. W. Rhys Roberts. New York: Modern Library.
4. Aristotle. Nichomachean Ethics. Many translations.
5. Ayer, A. J. 1940. The argument from illusion. In Perception and the external world, ed. R. J. Hirst, 128–34. New York: Macmillan, 1965.