| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| Beyond 300: an autobiography. | 978-0-09-183627-6 (0-09-183627-1) | 1997 | ||
| Symposium Warenform, Denkform. Zur Erkenntnistheorie Sohn- Rethels | 978-3-593-32327-5 (3-593-32327-3) | 1997 | Heinz D. Dombrowski · Ulrich Krause | |