R.D. ยท Richard D.
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Beginning Philosophy | 978-0-19-511781-3 (0-19-511781-6) | 1998 |
| Metaphilosophy and Free Will | 978-0-19-510762-3 (0-19-510762-4) | 1996 |
| The Non-Reality of Free Will | 978-0-19-506497-1 (0-19-506497-6) | 1990 |