1. Peter Geach, Mental Acts: Their Content and Their Objects, Humanities Press, 1957.
2. W.V.O. Quine, “Norms and Aims,” in The Pursuit of Truth, Harvard University Press, 1990. Quine later modified his views as presented in 1969.
3. Goldman, Alvin, Liaisons: Philosophy Meets the Cognitive and Social Sciences, MIT Press, 1992.
4. Stich Stephen, and Richard Nisbett, “Justification and the Psychology of Human Reasoning,” in Philosophy of Science, Vol. 47, pp. 188–202.
5. Kornblith, Hilary, “In Defense of a Naturalized Epistemology,” in The Blackwell Guide toEpistemology, John Greco and Ernest Sosa (eds), Blackwell, 1999, pp. 158–169.