| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Gathering of Reason: Second Edition | 978-0-7914-6454-0 (0-7914-6454-7) | 2005 |
| The Philosophical Vision of Paul Klee | 978-90-04-28021-2 (90-04-28021-9) | 2014 |
F A · F. J. · Frederick A. · Frederick J · J. A. · P. A. · P.F. · P.J.