| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| L'arte di aiutare | 978-88-7946-108-5 | 2013 | |
| L'arte di aiutare | 978-88-7946-061-3 | 1989 | |
| Social Intelligence Skills for Correctional Officers | 978-0-87425-858-5 | 2006 | Stephen Sampson · John Blakeman |
| The Student Workbook for the Art of Helping VI | 978-0-87425-086-2 | 1989 | |
Dr. Robert R. Carkhuff · R. C. · Robert C. · Robert R. Carkhuff · Robert R. Carkhuff Ph.D.