Cassell · Ravens Educ. & Devel. Services
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Architecture of the Tigre, Ethiopia | 978-0-947895-00-6 (0-947895-00-0) | 1985 |
| Journey into Light: An Account of Forty Years' Communication with a Brother in the After Life | 978-0-304-93864-3 (0-304-93864-5) | 1972 |