Alouette Verlag · National Geographic
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| Nationalparks der Rocky Mountains | 978-3-924324-03-2 (3-924324-03-4) | 1989 | Theodor Geus · Kent Dannen | |
| The Rockies: Pillars of a Continent | 978-0-7922-2940-7 (0-7922-2940-1) | 1996 | Scott Thybony |