| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Contractarian Moral Theory | 978-0-19-925493-4 (0-19-925493-1) | 2006 | |
| Essays on Moral Realism | 978-0-8014-9541-0 (0-8014-9541-5) | 1988 | A. J. Ayer |
| Moral Philosophy | 978-0-87220-599-4 (0-87220-599-1) | 2004 | David Hume |
Cornell University Press · Hackett Publishing Company, Inc. · Oxford University Press