| title | ISBN-13 | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| Die spirituelle Welt der Kinder: Wie Sie ihre verborgenen Fähigkeiten verstehen und fördern | 978-3-7205-6012-2 | 2007 | ||
| From Information to Transformation: Education for the Evolution of Consciousness | 978-0-8204-5131-2 | 2007 | ||
| The Secret Spiritual World of Children: The Breakthrough Discovery that Profoundly Alters Our Conventional View of Children's Mystical Experiences | 978-1-930722-19-4 | 2003 | ||
| Transpersonal Knowing: Exploring the Horizon of Consciousness | 978-0-7914-4616-4 | 2000 | Peter L. Nelson · Kaisa Puhakka | |
Ph.D. Tobin Hart · T.H. · Tiffiany Howard · Tobin, Ph.D. Hart · Tobin, Ph.D. Hart
Hugendubel · New World Library · Peter Lang Inc., International Academic Publishers · SUNY Press