1. See (i) D. Sachs, ‘A Fallacy in Plato’s Republic’, Philosophical Review, 72 (1963), pp.141–58; (ii) R. Demos, ‘A Fallacy in Plato’s Republic?’, ibid., 73 (1964), pp. 395–8; (iii) G. Vlastos, ‘Justice and Happiness in the Republic’, in his Plato II (1971), pp. 66–95, esp. 91–2. This collection includes reprints of (i) and (ii); Vlastos (1981) contains a reprint of (iii).

2. Crito 49a ff., Republic 335a–e.

3. Crito 49e ff.

4. Critio 49b, Republic 442c–eff., 589c–e; 470e; cf. Gorgias 470e.

5. Xenophon, Memorabilia I.2.2 ff., IV.3.14; Apology 294 ff. A classic account of Socrates’ ‘care of the soul’ is J. Burnet, ‘The Socratic Doctrine of the Soul’, in his Essays and Addresses (London 1929), pp. 126–62 (reprinted from Proceedings of the British Academy, 1915–16, pp.235–59); see also Gulley, p. 192 ff.