Required (Available at Amazon.com):
J. S. MClelland, A History of Western Political Thought, London and New York: Routledge, 1996.
https://plato.stanford.edu/
https://iep.utm.edu/
Recommended (Available at Amazon.com):
1- Janet Coleman, 2004. Political Thought: From Ancient Greece to Early Christianity, London: Blackwell.
2- Christopher Rowe and Malcolm Schofield, 2000. The Cambridge History of Greek and Roman Political Thought, Cambridge: Cambridge University Press.
3- G.W.Sheldon, 2003. The History of Political Theory: Ancient Greece to Modern America, New York: Peter Lang Publishing.
4- John H. Hallowell and Jene M. Porter, 1997. Political Philosophy: The Search For Humanity and Order, Ontario: Prentice Hall.
5- Donald G. Tannenbaum and David Schultz, 1998. Inventors of Ideas: An Introduction to Western Political Philosopy, New York: St. Martin’s Press.
6- Morgan, Michael L. (ed.), Classics of Moral and Political Theory, Third Edition, Hackett Publishing Company, Indianapolis/Cambridge, 2001.
7- Deutsch, Kenneth L. and Joseph R. Fornieri, An Invitation to Political Thought, Wandsworth, Cengage Learning, 2009.