| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Change Your DNA, Change Your Life! | 978-1-880666-85-2 (1-880666-85-5) | 2012 |
| Handling Verbal Confrontation: Take the Fear Out of Facing Others | 978-1-880666-05-0 (1-880666-05-7) | 1998 |
D. G. · D. Gerard · (D-R) · D. Robert · Dr. G. · Dr. Robert · Dr. V · R. Gérard · Robert G. · Robert V. · Robert V. Gerard