| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2004 | 978-0-9685330-1-7 | Stephen K. Levine | Crossing Boundaries: Explorations in Therapy & the Arts, A Festschrift for Paolo Knill |
| '' | 978-0-9685330-2-4 | Ellen Levine | Tending the Fire: Studies in Art, Therapy & Creativity |
| '' | 978-0-9685330-3-1 | Paolo J. Knill · Helen Nienhaus Barba · Margo N. Fuchs | Minstrels of Soul: Intermodal Expressive Therapy |