| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| English Through Projects: Bk. 1 | 978-0-435-10480-1 (0-435-10480-2) | 1970 | Norman D. Hendry |
| English Through Projects: Bk. 2 | 978-0-435-10482-5 (0-435-10482-9) | 1972 | " |
| English Through Projects: Tchrs' | 978-0-435-10481-8 (0-435-10481-0) | 1972 | " |