PHP研究所 (PHPkenkyuujo/kenkyuusho) · 白水社 (hakusuisha)
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| 30pointo de yomitoku makyaveri kunshuron | 978-4-569-66280-0 (4-569-66280-3) | 2004 | |
| Sonzai To Kunō | 978-4-560-01980-1 (4-560-01980-0) | 1995 | Arthur Schopenhauer |