1. Aquinas, Thomas: Summa Theologica (1265–74). Allen, Texas 1911.
2. Basu, Kaushik: Beyond the Invisible Hand. Groundwork for a New Economics. Princeton 2011.
3. Bodin, Jean: The Six Bookes of a Common-Weale [1576]. Hg. von Richard Knolles. London 1606.
4. Epictetus: Discourses. Hg. von George Long. New York 1904.
5. Frankfurt, Harry: The Importance of What We Care About. New York 1988.