| title | ISBN-13 | year of publica-
tion | other author(s) |
|---|
| Frases Y Palabras De Uso Mas Frecuente | 978-0-07-024598-3 | 1971 |
| Gregg Shorthand | 978-0-07-024591-4 | 1963 | Louis A. Leslie · Charles E. Zoubek |
| Gregg Shorthand: Diamond Jubilee | 978-0-07-024625-6 | 1971 | Charles E. Zoubek · Louis A. Leslie |
| Gregg Speed Building for Colleges, Diamond Jubilee Series | 978-0-07-024610-2 | 1966 | Clyde I. Blanchard · Woodrow W. Baldwin · Estelle Popham |
| Ones and Zeros: Understanding Boolean Algebra, Digital Circuits, and the Logic of Sets | 978-0-7803-3426-7 | 1998 |
| Sex, the Illustrated History: Through Time, Religion and Culture | 978-1-5245-3063-1 | 2016 |
| Sex, the Illustrated History: Through Time, Religion, and Culture Sex in Asia, Australia, Africa, the South Pacific, and the Indigenous Americas | 978-1-5245-8856-4 | 2017 |
| Sex, the Illustrated History: Through Time, Religion and Culture Sex in the Ancient World, Early Europe to the Renaissance,and Islam | 978-1-5245-3062-4 | 2016 |
| The GREGG Shorthand Manual Simplified | 978-0-07-024548-8 | 1955 | Louis A. Leslie · Charles E. Zoubek |