| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Secret Spiritual World of Children: The Breakthrough Discovery that Profoundly Alters Our Conventional View of Children's Mystical Experiences | 978-1-93O722-19-4 (1-93O722-19-2) | 2003 |
D,. H.. · D. Hart · D. T. · D.T. Hart · P. H. · P. Hart · P T · P. 't Hart · Ph.D. · T.H. · Tobin Hart