D.F. · D. Forbes · Douglas C. Forbes · John Douglas Forbes
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Human Pin Code: The Sacred Maths in Your Birth Date | 978-1-86916-001-2 (1-86916-001-0) | 2005 | |
| WebQuester: Sociology | 978-0-07-235616-8 (0-07-235616-2) | 1999 | Carey · Arlen Carey |