- Alston William (2005) Beyond Justification, Cornell University Press
- Bynum Terrell (n.d), “A Copernician Revolution in Ethics”, in: www.idt.mdh.se/ECAP-2005/articles
- Flanagan. O., Sarkissian H., and Wong. D. (2007), “Naturalizing Ethics”, in Moral Psychology: The Evolution of Morality, edited by Walter Sinnott-Armstrong, vol. 1, pp. 1-26, MIT Press.
- Goldman, Alvin (1992), “Epistemic Folkways and Scientific Epistemology”, in: Liaisons: Philisophy Meets the Cognitive and Social Sciences,Massachusetts Institute of Technology, pp. 155- 175.
- Goldman, Alvin (2006), Simulating Minds: The Philosophy, Psychology, and Meuroscience of Mindreading, Oxford University Press.
- Hume, David (2003), A Treatise of Human Nature, Dover Publications.
- Lakoff, G., and Johnsom, M. (1999), Philosophy in the flesh: The Embodied Mind and Its Challenge to Western Thought, New York: Basic Books.
- MacIntire, Alsdair (2007), After Virtue, 3rd edition, University of Notre Dame Press
- Prinz, Jesse (1995), “Moral Obligation and Moral Motivation”
, in Kai Nielsen and Jocyelyne Couture, eds., On the Relevance of Metaethics: New Essays on Metaethics, Canadian Journal of Philosophy
, supp. vol. 21, pp. 187-219.
- Prinz, Jesse (2007), “Can Moral Obligation Be Empirically Discovered?” in: Midwest Studies In Philosophy
, Volume 31, Issue 1,
pp. 271–291, September 2007
- Rorty, Richard (1999), Philosophy and social hope, Penguin Books.
- Zagzebski, Linda (2009), On Epistemology, Wadsworth press.
- Zimmerman, David (1980), “Meta-ethics Naturalized”, in: Canadian Journal of Philosophy, Vol.X, No.4, pp. 637- 662.