| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Platonic Studies | Paperback | 978-0-691-10021-0 | 1981 | |
| Platonic Studies: Second Edition | Hardcover | 978-0-691-07162-6 | 1973 | |
| Plato's Universe | Paperback | 978-1-930972-13-1 | 2006 | |
| Plato's Universe | " | 978-0-295-95390-8 | 1979 | |
| Plato's Universe | Hardcover | 978-0-19-824538-4 | 1975 | |
| Plato's universe | " | 978-0-295-95388-5 | 1975 | |
| Plato's Universe. | Paperback | 978-0-295-95396-0 | 1975 | |
| Social Justice | " | 978-0-13-815746-3 | 1962 | Kenneth E. Boulding · Paul A Freund · William K. Frankena · Alan Gewirth |
| Socrates: Ironist and Moral Philosopher | Hardcover | 978-0-521-30733-8 | 1991 | |
| Socrates: Ironist And Moral Philosopher | Paperback | 978-0-521-31450-3 | 1991 | |
| Socrates, Ironist and Moral Philosopher | " | 978-0-8014-9787-2 | 1991 | |
| Socratic Studies | Hardcover | 978-0-521-44213-8 | 1993 | |
| Socratic Studies | Paperback | 978-0-521-44735-5 | 1993 | |
| Studies in Greek Philosophy | Hardcover | 978-0-691-03311-2 | 1995 | |
| Studies in Greek Philosophy: Two Volume Set | Paperback | 978-0-691-01939-0 | 1996 | |
| Studies in Greek Philosophy, Vol. 2: Socrates, Plato, and their tradition | " | 978-0-691-01938-3 | 1996 | |
| Studies in Greek Philosophy, Volume 1: The Presocratics | " | 978-0-691-01937-6 | 1996 | |
| Studies in Greek Philosophy Volume 1 The Presocratics | Hardcover | 978-0-691-03310-5 | 1995 | |
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