| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| ICUの日本語 初級 II テキスト - Japanese for College Students:Basic II Text ICUnonihongo/ | 978-4-7700-1998-1 | 1996 | |
| ICUの日本語 初級 III - Japanese for College Students: Basic Volume ICUnonihongo/ | 978-4-7700-2110-6 | 1997 | |
| ICUの日本語―JAPANESE FOR COLLEGE STUDENTS ICUnonihongo/ | 978-4-7700-1999-8 | 2000 | |
| ICUの日本語：初級１ テキスト - Japanese for College Students:Basic Volume 1 Text ICUnonihongo/ | 978-4-7700-1997-4 | 1996 | International Christ |