| A Lady's Life in the Rocky Mountains | Bird |
| Wild Life on the Rockies | Mills |
| The Spell of the Rockies | Mills |
| In Beaver World | Mills |
| The Story of Estes Park | Mills |
| Rocky Mountain Wonderland | Mills |
Books Concerning the Mesa Verde National Park
| Cliff Dwellers of Mesa Verde | G. Nordenskiöld |
| The Land of the Cliff Dwellers | Chapin |
| Government publications: Antiquities of Mesa Verde National Park, BulletinNos. 41 and 51, together with Excavationsand Repair of Sun Temple. | |
Books Concerning the Glacier National Park
| The Ascent of Chief Mountain, in Hunting in Many Lands, edited by Theodore Roosevelt and George B. Grinnell. | Henry L. Stimson |
| Blackfeet Tales of Glacier National Park | Schultz |
Books Concerning Yosemite National Park
| Indians of the Yosemite Valley | Galen Clark |
| In the Heart of the Sierras | Hutchins |
| Mountaineering in the Sierra Nevada | Clarence King |
| The Yosemite | John Muir |
| My First Summer in the Sierras | John Muir |
| Three Wonderlands of the American West | Thomas D. Murphy |
| A Yosemite Flora | Hall |
Books Concerning Mount Rainier National Park
| The Mountain that was God | Williams |
| Mount Rainier | Meany |