| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Group Improvisation: The Manual of Ensemble Improv Games | 978-1-566O8-O86-6 (1-566O8-O86-X) | 2003 | Charna Halpern · Peter Gwinn |
C. G. · P. C. · P Campbell · P.G. · Peter C. · Peter Campbell · Peter G. · Peter Gwinn