E C. · Ernest W. Crockett · W.C.
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Gregg Most Used Words and Phrases | 978-0-07-094413-8 (0-07-094413-X) | 1968 |
| Gregg Shorthand Dictionary Simplified | 978-0-07-094412-1 (0-07-094412-1) | 1964 |
| Gregg Speed Practice | 978-0-07-094406-0 (0-07-094406-7) | 1961 |