The Story of a Thousand Year Pine. 1914. 38 pp., illustrated. Houghton, Boston.
Rocky Mountain Wonderland. 1915. 362 pp., illustrated, map. Houghton, Boston.
The Story of Scotch. 1916. 63 pp., illustrated. Houghton, Boston.
Your National Parks. 1917. 532 pp., illustrated. Houghton, Boston.
The Grizzly, Our Greatest Wild Animal. 1919. 284 pp., illustrated. Houghton, Boston.
Adventures of a Nature Guide. 1920. 271 pp., illustrated. Houghton, Boston.
Waiting in the Wilderness. 1921. 241 pp., illustrated. Houghton, Boston.
Watched by Wild Animals. 1922. 243 pp., illustrated. Houghton, Boston.
Wild Animal Homesteads. 1923. 259 pp., illustrated. Houghton, Boston.
The Rocky Mountain National Park. 1924. 239 pp., illustrated. Houghton, Boston.