| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Kinematic conversion: A study guide in energy-transformations | 978-90-70387-02-0 (90-70387-02-6) | 1984 |
| Tranversional Psychology: A Systematic and Methodological Study of Psychotherapy | 978-90-70387-03-7 (90-70387-03-4) | 1984 |