| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| From Good Schools to Great Schools: What Their Principals Do Well | 978-1-4129-4899-9 (1-4129-4899-1) | 2008 | William A. Streshly |
| Leading Good Schools to Greatness: Mastering What Great Principals Do Well | 978-1-4129-7978-8 (1-4129-7978-1) | 2010 | |
P.G. · P. Gray · S. G. · S. Gray · S. P. · Susan Gray · Susan P. (Penny) Gray · Susan Penny Gray