Don Richard Riso

title	ISBN-13	year of publica- tion	other author(s)
Découvrez votre type de l'ennéagramme: Le Questionnaire le plus précis et le plus complet	978-2-88058-354-5	2001
Die Weisheit des Enneagramms. Entdecken Sie Ihren inneren Reichtum.	978-3-442-16287-1	2000
Discovering Your Personality Type: The Essential Introduction to the Enneagram, Revised and Expanded	978-0-618-21903-2	2003	Russ Hudson
Enneagram Transformations	978-0-395-65786-7	1993
Personality Types: Using the Enneagram for Self-Discovery	978-0-395-79867-6	1996	Russ Hudson
Personality types: Using the enneagram for self-discovery	978-0-395-40575-8	1987
The Enneagram: Discovering Your Personality Type	978-1-85538-498-9	1995
The Riso-Hudson Enneagram Type Indicator	978-0-9703824-0-5	2000	Russ Hudson
The Wisdom of the Enneagram: The Complete Guide to Psychological and Spiritual Growth for the Nine Personality Types	978-0-553-37820-7	1999	"
Understanding the Enneagram: The Practical Guide to Personality Types	978-0-618-00415-7	2000	"
Understanding the Enneagram: The Practical Guide to Personality Types	978-0-395-52148-9	1990