1. Harvard U.P., 1975. Pp. vii + 108. £6·80.
2. Hackett Publishing Co., Indianapolis, 1976. Pp. xvii + 254. Price not stated.
3. Based on the Romanes Lecture 1976. Oxford U.P., 1977. Pp. 89. £2·50 net.
4. Cambridge U.P., 1977. Pp. x + 150. £5·90 net.
5. Filosofi Antichi 6. Traduzione, introduzione, e commento. Luigi Loffredo Editore, Naples, 1976. Pp. 289. L. 9, 600.
6. Oxford U.P., 1976. Pp. 227. £6·25.
7. A Study of Platonism 80 B.c. to A.d. 220. Classical Life and Letters. Duckworth, London, 1977. Pp. xvii + 429. £12·00 net.
8. Ohio State U.P., 1977. Pp. xix + 292. $17.50.
9. Oxford Classical Texts. Oxford U.P., 1977. Pp. xxxvi + 302. £7·50 net.
10. Oriel Press (Routledge & Kegan Paul), Stocksfield, 1977. Pp. viii + 300. £8·00 net.