| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| College vocabulary building, | 978-0-538-05810-0 | 1971 | |
| Word division manual for the basic vocabulary of business writing | 978-0-538-11981-8 | 1984 | |
| Word Division Manual; The Fifteen Thousand Most Used Words in Business Communication | 978-0-538-11480-6 | 1970 | Devern J. Perry |
| Word Division Manual: The Twenty Thousand Most-Used Words in Business Communication | 978-0-538-11980-1 | 1984 | " |