Winter, S.L., 2001. A Clearing in the Forest: Law, Life, and Mind, University of Chicago Press.
Kutz, C., 2000. Complicity: Ethics and Law for a Collective Age, Cambridge University Press.
Raz, J., 1970. The Concept of a Legal System, Oxford,Clarendon Press.
Taekema, S., 2003. The Concept of Ideals in Legal Theory, Kluwer Law International.
Nathan, N.M.L., 1971. The Concept of Justice, London,Macmillan.
Hart, H.L.A., 1994. The Concept of Law, Oxford University Press.
Berns, S., 1993. Concise Jurisprudence, Federation Press.
Greenawalt, K., 1987. Conflicts of Law and Morality, Oxford University Press.
Brudner, A., 2007. Constitutional Goods, Oxford University Press.
Jacobsohn, G.J., 2010. Constitutional Identity, Harvard University Press.