Animal Minds and Human Morals: The Origins of the Western Debate
Richard Sorabji
Paul Vander Waerdt, 'Philosophical influence on Roman jurisprudence? The case of Stoicism and natural law', Aufstieg und Niedergang der römischen Welt 2.36.6, 1992. Paul Vander Waerdt, The Theory of Natural Law in Antiquity, Ithaca, ...