1. Adler M (1942) A question about law. In: Brennan RE (ed) Essays in Thomism. Sheed and Ward, New York, pp 207–236
2. Anscombe GEM (1958) Modern moral philosophy. Philosophy 33:1–19
3. Aquinas T (1947) The summa theologica (trans: Fathers of the English Dominican province). Benzinger Brothers, New York
4. Brock SL (2005) Natural inclination and the intelligibility of the good in Thomistic natural law. Vera Lex 6:57–78
5. Composta D (1971) Natura e ragione. Pas-Verlag, Zürich