Romance of Geology. 1926. 245 pp., illustrated. Houghton, Boston.
Bird Memories of the Rockies. 1931. 263 pp., illustrated. Houghton, Boston.
Mills, Joe. A Mountain Boyhood. 286 pp. 1926. Sears.
Quinne, Vernon. Beautiful America. 333 pp., illustrated. Frederick A. Stokes Co., New York City. 1923.
Rocky Mountain National Park on pp. 260-262.
Rensch, H. E. Historical Background for the Rocky Mountain National Park. 1935. 42 pp. Rocky Mountain Nature Association.
Rolfe, Mary A. Our National Parks. Book One. 1927. 320 pp., illustrated. Benj. H. Sanborn Co., Chicago.
Yard, Robert Sterling:
The Top of the Continent. 1917. 244 pp., illustrated. Scribners.
Rocky Mountain National Park on pp. 16-43.