| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| 8/e 20, 000 Words + | 978-0-07-073083-0 | 1985 | Charles E. Zoubek · Louis A. Leslie |
| 20,000+ Words | 978-0-07-037463-8 | 1985 | Charles E. Zoubek · L. A. Leslie |
| Gregg Shorthand for Colleges: Workbook Bk. 2 | 978-0-07-073669-6 | 1989 | Charles E. Zoubek |
| The Dictation Book: Letters and Memos | 978-0-07-037920-6 | 1984 | Louis A. Leslie · Charles E. Zoubek · Jerome P. Edelman |
A.C. · G. A. · G. C. · G. Condon · Gregg Condon