Colbert, Edwin H. Dinosaurs: Their Discovery and Their World. New York: Dutton, 1961.
Connell, Evan. Son of the Morning Star: Custer and the Little Big Horn. Berkeley, California: North Point Press, 1984.
Dippie, Brian W. «Bold but Wasting Race: Stereotypes and American Indian Policy». Montana: The Magazine of Western History, vol. 25, no. 3 (Summer 1975): 2–13.
Eiseley, Loren. The Immense Journey: An Imaginative Naturalist Explores the Mysteries of Man and Nature. New York: Vintage Books, 1959.
Fisher, David. The Time They Postponed Doomsday // New Scientist (June 1985): 39–43.
Grinnell, George Bird. An Old-Time Bone Hunt // Natural History (July – August 1923): 329–36.
Hanson, Stephen and Patricia Hanson. The Last Days of Wyatt Earp // Los Angeles Magazine (March 1985): 118–126.
Howard, Robert West. The Dawnseekers: The First History of American Paleontology // New York: Harcourt Brace Jovanovich, 1975.
Jeffery, David. Fossils: Annals of Life Written in Rock // National Geographic, vol. 168, no. 2 (August 1985): 182–191.
Josephson, Matthew. The Robber Barons: The Great American Capitalists 1861–1901 // New York: Harcourt Brace Jovanovich, 1934.
Lake, Stuart. Wyatt Earp: Frontier Marshal // New York: Houghton Mifflin Company, 1931.
Lanham, Url. The Bone Hunters // New York: Columbia University Press, 1973.
Marsh, Othniel Charles. The Dinosaurs of North America // Annual Report of U. S. Geological Survey (January 1896).
Matthew, W. D. Early Days of Fossil Hunting in the High Plains // Natural History (September – October 1926): 449–454.
Mountfield, David. The Railway Barons // New York: W. W. Norton, 1979.
Nield, Ted. Sticks, Stones and Broken Bones // New Scientist (December 1985): 64–67.
O’Connor, Richard. Iron Wheels and Broken Men. New York: Putnam, 1973.
Osborn, Henry Fairfield. Cope: Master Naturalist: The Life and Letters of Edward Drinker Cope. Princeton, New Jersey: Princeton University Press, 1931.
Ostrom, John H. and J. S. McIntosh. Marsh’s Dinosaurs. New Haven, Connecticut: Yale University Press, 1966.
Parker, Watson. Gold in the Black Hills // Norman: University of Oklahoma Press, 1966.
Plate, Robert. The Dinosaur Hunters: Othniel C. Marsh and Edward D. Cope // New York: D. McKay Co., 1964.
Reinhardt, Richard. Out West on the Overland Train // New Jersey: Castle Books, 1967.
Rice, Larry. Badlands // Adventure Travel (July – August 1981): 38–44.
Rice, Larry. «The Great Northern Plains». Backpacker (May 1986): 48–52.
Romer, A. S. Cope Versus Marsh // Systemic Zoology, vol. 13, no. 4 (1964): 201–7.
Scott, Douglas D. and Melissa A. Connor. Post-mortem at the Little Bighorn // Natural History (June 1986): 46–55.
Shor, Betty. The Fossil Feud Between E. D. Cope and O. C. Marsh // Hicksville, New York: Exposition Press, 1974.
Stein, Ross S. and Robert C. Bucknam. Quake Replay in the Great Basin // Natural History (June 1986): 28–36.
Taft, Robert. Photography and the American Scene // New York: Dover Publications Inc., 1964.
West, Linda and Dan Chure. Dinosaur: The Dinosaur National Monument Quarry // Jensen, Utah: Dinosaur Nature Association, 1984.
Wolf, Daniel. The American Space // Middletown, Connecticut: Wesleyan University Press, 1983.
