| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| L'ennéagramme au service de l'esprit | 978-2-85829-440-4 (2-85829-440-2) | 2006 | Claudine Elisabeth Thuet |
| The Enneagram for the Spirit: How to Make Peace with Your Personality and Understanding Others | 978-1-85675-210-7 (1-85675-210-0) | 2005 | |
| The Enneagram for the Spirit: How to Make Peace with Your Personality and Understand Others | 978-0-7641-3195-0 (0-7641-3195-8) | 2005 | |
Barrons Educational Series · Gaia · Véga