| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Lassen Volcanic: The Story Behind the Scenery | 978-0-88714-020-4 (0-88714-020-3) | 1998 |
| Reiki Y Los Siete Chakras | 978-84-414-1346-7 (84-414-1346-0) | 2011 |
E R · E. Richard · R. Ellis (Richard Ellis), 1879-1953., . Roberts · R. Ellis (Richard Ellis) Roberts · Richard Ellis