1. Ross, W. D. (1995 [1923]) Aristotle, with introduction and new material by J. L. Ackrill (London, 6th edn).
2. Cudworth, R. (1996 (1731)) Eternal and Immutable Morality, ed. Hutton, S. (London).
3. Striker, G. (1987) ‘Origins of the concept of natural law’, in Proceedings of the Boston Area Colloquium in Ancient Philosophy, vol. II, ed. Cleary, J. J. (Lanham MD).
4. Kahn, C. H. (1981) ‘Did Plato write Socratic dialogues?’, Classical Quarterly 31: (repr. in Benson, H. H. ed. Essays on the Philosophy of Socrates, New York and Oxford 1992).
5. Finley, M. I. (1977) ‘Aristotle and economic analysis’, in Barnes , Schofield , and Sorabji edd. 1977