| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Gregg Shorthand 1: Series 90: A Gregg Test Kit in Continuing Adult Education/Book and 2 Cassettes | 978-O-O7-O37769-1 (O-O7-O37769-3) | 1984 | L. A. Leslie · Charles E. Zoubek |
G. C. · Geneal Condon · George Condon · George E. Condon · George E. Condon Jr. · Gerald M. Condon · Gregg A. Condon · Gregg Condon · Guy Condon · Mary G. Condon · Richard G. Condon