1. Amiri, R.A., and M.M. Keys. 2012. Benedict XVI on liberal modernity’s need for the ‘Theological Virtues’ of faith, hope, and love. Perspectives on Political Science 41(1): 11–18.
2. Aquinas, T. 1981. Summa Theologica. Trans. Fathers of the English Dominican Province. Allen: Christian Classics.
3. Aquinas, T. 2000. Opera Omnia, ed. E. Alarcon. [On-line.] Available at:
http://www.corpusthomisticum.org/
4. Aristotle. 1962. Nicomachean ethics. Trans. Martin Ostwald. New York: Macmillan.
5. Aristotle. 1984a. The complete works of Aristotle, ed. Jonathan Barnes, 2 vols. Princeton: Princeton University Press.