| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Third Age: Six Principles for Personal Growth and Rejuvenation after Forty | 978-0-7382-0434-5 (0-7382-0434-X) | 2001 | Ph.D., William A. Sadler |
| The Third Age: The Six Priciples Of Personal Growth And Renewal After 40 | 978-0-7382-0223-5 (0-7382-0223-1) | 1999 | |
Ph.D., William A. Sadler · W.S. · William A. Sadler · William A. Sadler Ph.D. · William Alan Sadler · William H. Sadler · William S. · William S. Sadler