Enneagram
Enneagram Studies
ByJ.G. Bennett
1974 • 133 pages
Insider's Guide to the Nine Personality Types: How to Use the Enneagram for Success at Work
ByMichael J. Goldberg
1997 • 309 pages
From Fixation to Freedom: The Enneagram of Liberation
ByEli Jaxon-Bear
2001 • 1 Reader • 266 pages