C.R. · C Ramsay · R.R. · R. Ramsay
National Geographic Society · Planeta
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Hawaii's Hidden Treasures | 978-0-87044-909-3 (0-87044-909-5) | 1993 |
| Sir Edmund Hillary y la gente del... | 978-84-08-05836-6 (84-08-05836-3) | 2005 |