M. R. Williams · M. Williams · Mark R · Mark Williams · R. Williams
| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| In Search Of Lemuria | 978-0-9706969-0-8 (0-9706969-0-6) | 2001 |
| Northern California Off the Beaten Path, 6th | 978-0-7627-3534-1 (0-7627-3534-1) | 2004 |
| The Story of Spain: The Dramatic History of Europe's Most Fascinating Country | 978-0-9706969-2-2 (0-9706969-2-2) | 2004 |