| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Philosophical Quest: A Cross-Cultural Reader | 978-0-07-062547-1 (0-07-062547-6) | 1995 | Karsten J. Struhl · Richard E. Olsen |
| The Philosophical Quest: A Cross-Cultural Reader with Free Philosophy PowerWeb | 978-0-07-284069-8 (0-07-284069-2) | 2002 | Karsten J. Struhl · Richard Olsen |