| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Combating Destructive Thought Processes: Voice Therapy and Separation Theory | 978-O-7619-O551-6 (O-7619-O551-O) | 1997 |
D.F. · (D-R) · D. Robert · D.W. · Dr. Robert · R. F. · Robert F. · Robert Firestone · Robert W. · Robert W. Firestone · W F