| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2007 | 978-0-9760603-1-4 | Peggy Pace, | LIFESPAN INTEGRATION Connecting Ego States Through Time |
| 2018 | 978-0-9760603-7-6 | Peggy Pace | Integración del Ciclo Vital: Conectando los Estados del Ego a través del Tiempo (Spanish Edition) |