| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Eien heiwa no tameni | 978-4-334-75108-1 | 2006 | Immanuel Kant |
| Junsui risei hihan. 002. | 978-4-334-75204-0 | 2010 | " |
| Junsui risei hihan. 3 | 978-4-334-75213-2 | 2010 | " |
| Ningen fubyodo kigenron | 978-4-334-75162-3 | 2008 | Jean-Jacques Rousseau |
| Zen'aku no higan | 978-4-334-75180-7 | 2009 | Friedrich Wilhelm Nietzsche |