| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Gendai o sukuu Okada Mokichi: Sekai Kyūseikyō kyōso | 978-4-06-202398-6 (4-06-202398-9) | 1985 |
| Oji-san wa tobu no da | 978-4-06-202023-7 (4-06-202023-8) | 1985 |
G. K. · Günter Keesen · Günter Kosyna · Günther Kessen · Gunther Keusen