William L. · William Lawton · William Louden · William Loudon
Powys Media · Santa Monica Press
| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| How to Find Your Family Roots | 978-0-9639946-0-8 (0-9639946-0-3) | 1994 |
| Space: 1999 Eternity Unbound | 978-0-9677280-9-4 (0-9677280-9-6) | 2005 |
| Space: 1999 Resurrection | 978-0-9677280-1-8 (0-9677280-1-0) | 2002 |