| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Anki Honʼi Futsuken Taiō Go Yon Sankyū Furansugo Dōshi Katsuyōhyō | 978-4-411-00467-3 (4-411-00467-4) | 1999 | Ken'ichi Hisamatsu |
| Eigo ga wakareba furansugo wa dekiru | 978-4-411-00466-6 (4-411-00466-6) | 1999 | " |