Adams, James Truslow. _The Epic of America._ Boston: Little Brown and Co., 1933.
Bancroft, H. H. _History of Washington, Montana and Idaho._ San Francisco: The History Company, 1896.
Beal, M. D. _History of Southeastern Idaho._ Caldwell, Idaho: Caxton Printers, 1942.
Brockett, L. P. _Our Western Empire._ San Francisco: William Garretson and Co., 1881.
Chittenden, Hiram M. _The American Fur Trade._ New York: Press of the Pioneers, 1935.
Chittenden, Hiram M. _Yellowstone National Park._ Palo Alto, California: Stanford University Press, 1933.
Clark, Dan Elbert. _The West in American History._ New York: Thomas Y. Crowell Co., 1937.
Driggs, Howard R. _Westward America._ New York: G. P. Putnam's Sons, 1942.
Gardiner, Dorothy. _West of the River._ New York: Thomas Y. Crowell Co., 1941.
Guptill, A. B. _Practical Guide to Yellowstone National Park._ St. Paul: F. Jay Haynes and Bro., 1890.
Hafen, LeRoy, and Rister, Carl C. _Western America._ New York: Prentice-Hall, 1941.
Haupt, Herman. _The Yellowstone National Park._ St. Paul: J. M. Stoddart, 1883.
Haynes, Jack Ellis. _Haynes Guide._ St. Paul: Haynes, Inc., 1943.
Hockett, Homer Co. _Political and Social Growth of the United States 1492-1852._ New York: The Macmillan Co., 1933.
Irving, Washington. _Astoria._ New York: G. P. Putnam's Sons.
Kipling, Rudyard. _American Notes._ Issued in several editions. One chapter contains an account of a trip through Yellowstone in 1889.
Nevins, Allen. _Frémont: Pathmaker of the West._ New York: D. Appleton Century Co., 1939.
Paxson, Frederick L. _The Last American Frontier._ New York: Macmillan Co., 1922.
Sanders, Helen F. _History of Montana._ Chicago: The Lewis Publishing Co., 1913.
Walgamott, C. S. _Six Decades Back._ Caldwell, Idaho: Caxton Printers, 1936.
Yellowstone Park Scrap Books I, II, III. Park Library, Mammoth, Wyoming.
[1]The forests are composed principally of conifers. Of these the lodgepole pine predominates. It has a shallow root system, and as a result the area is conspicuous by the amount of fallen timber.
[2]A frontiersman's characterization of the climate in the Park. The statement is usually attributed to James Stuart.
[3]John E. Rees, _Idaho Chronology, Nomenclature, Bibliography_ (Portland, Oregon: Ivey Press, 1917), p. 61.