| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| In the Steps of the Master | 978-0-906006-70-2 (0-906006-70-8) | 1977 | Douglas Baker |
| Superconsciousness Through Meditation | 978-0-85030-152-6 (0-85030-152-1) | 1978 | " |
| Superconsciousness Through Meditation | 978-0-906006-75-7 (0-906006-75-9) | 1978 | " |