| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Humanistic Psychology | 978-0-13-447680-3 | 1978 | |
| Humanistic psychology | 978-0-13-447698-8 | 1978 | |
| Models of Group Therapy | 978-0-13-587916-0 | 1989 | M. David Galinsky |
| Models of group therapy and sensitivity training | 978-0-13-586081-6 | 1974 | |
B.S. · J.B. · J. B. Shaffer · J. P. · J. S. · John B. · John P. · John S. · John Shaffer · P S · P. Shaffer