PHP研究所 (PHPkenkyuujo/kenkyuusho) · 講談社 (koudansha)
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Akutagawa Ryunosuke no keiei goroku | 978-4-569-21026-1 (4-569-21026-0) | 1983 |
| Ochibo hiroi no keizaigaku: Bijinesu shīzu hakkenhō | 978-4-06-204666-4 (4-06-204666-0) | 1990 |