| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| The Growth of Interpersonal Understanding: Developmental and Clinical Analyses | 978-0-12-636450-7 | 1980 | |
| Voices PreK: All About Me | 978-0-7367-6395-0 | 2009 | Catherine Snow · Patrick C. Walker |
| Voices PreK: You and Me | 978-0-7367-6396-7 | 2009 | Catherine Snow · Patrick C. Walker |
| VoicesReading, Grade 4, Theme 6 Speaking Out Student Book | 978-0-7367-5242-8 | 2008 | Catherine Snow · Patrick C. Walker |
L.S. · R. L · R. S. · R. Selman · Robert L. · Robert L. Selman, Patrick C. Walker Catherine Snow · Robert L. Selman, Patrick C.Walker Cathering Snow · Robert S. · Robert Selman