| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Play Therapy Theory and Practice: A Comparative Presentation | 978-0-471-10638-8 (0-471-10638-0) | 1997 | Kevin J. O'Connor |
| Play Therapy Theory and Practice: Comparing Theories and Techniques | 978-0-470-12236-5 (0-470-12236-6) | 2009 | " |