| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Concluding Unscientific PostScript | 978-0-86554-575-5 (0-86554-575-8) | 1997 |
| Philosophical Fragments and Johannes Climacus | 978-0-86554-440-6 (0-86554-440-9) | 1994 |
R. P. · R. Perkins · Robert F. Perkins · Robert L. Perkins · Robert P.