| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Great Generals of the Ancient World: The Personality, Intellectual, and Leadership Traits That Made Them Great | 978-1-4738-59O8-1 (1-4738-59O8-5) | 2017 |
A.G. · A GABRIEL · P. A. · P.G. · P. Gabriel · P R · P. Richard · R. A. · R. Gabriel · Richard A. · Richard A. Gabriel · Richard G · Richard Gabriel