Book Tree · Kessinger Publishing, LLC · Lushena Books
| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| Early Masonic Symbolism And Its Ancient Origins: The Gavel, Three Pillars, Masonic Signs, And Swastika | 978-1-4179-6008-8 (1-4179-6008-6) | 2005 |
| The Origin and Evolution of Religion | 978-1-930097-50-6 (1-930097-50-6) | 2003 |
| The Origin and Evolution of Religion | 978-1-58509-078-5 (1-58509-078-6) | 2000 |