The enneagram

The enneagram

Helen Palmer

1988

Personality Types

Don Richard Riso

1987

The Enneagram in Love and Work

Helen Palmer

1994

Discovering your personality type

Don Richard Riso

1992

The enneagram personality portraits

Patrick J. Aspell

1996

Understanding the enneagram

Don Richard Riso

1990

The path between us

Suzanne Stabile

2018

Body Types

Joel Friedlander

1986