H-U. · H. Ulrich · Hans U Rieker · Hans Ulrich
| title | ISBN-13 | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| Das Geheimnis der Meditation | 978-3-9809647-8-4 | 2006 | ||
| The Secret of Meditation | 978-0-09-118841-2 | 1974 | ||
| The Yoga of Light: Hatha-yoga-pradipika | 978-0-04-440600-6 | 1990 | Swami Svatmarama | |
| The Yoga of Light: The Classic Esoteric Handbook of Kundalini Yoga | 978-0-913922-07-1 | 1974 | ||
Dawn Horse Pr · HarperCollins · Random House · Wishbohn Verlag