Thrapp, Dan L. Encyclopedia of Frontier Biography. 4 vols. Spokane: Arthur H. Clark, 1988, 1994.
Encyclopedia of Frontier Biography
Thrapp, Dan L. Victorio and the Mimbres Apaches. Norman: University of Oklahoma Press, 1974.
Victorio and the Mimbres Apaches
Tibbles, Thomas Henry. Buckskin and Blanket Days: Memoirs of a Friend of the Indians. Garden City, N.Y.: Doubleday, 1957.
Buckskin and Blanket Days: Memoirs of a Friend of the Indians
Utley, Robert M. Cavalier in Buckskin: George Armstrong Custer and the Western Military Frontier. Norman: University of Oklahoma Press, 1988.
Cavalier in Buckskin: George Armstrong Custer and the Western Military Frontier
Utley, Robert M. Frontier Regulars: The United States Army and the Indian, 1866–1891. New York: Macmillan, 1973.
Frontier Regulars: The United States Army and the Indian, 1866–1891
Utley, Robert M. Frontiersmen in Blue: The United States Army and the Indian, 1848–1865. New York: Macmillan, 1967.
Frontiersmen in Blue: The United States Army and the Indian, 1848–1865
Utley, Robert M. Geronimo. New Haven, Conn.: Yale University Press, 2013.
Geronimo
Utley, Robert M. The Indian Frontier of the American West. Albuquerque: University of New Mexico Press, 1984.
The Indian Frontier of the American West
Utley, Robert M. Indian Wars. Boston: Houghton Mifflin, 2002.
Indian Wars
Utley, Robert M. The Lance and the Shield: The Life and Times of Sitting Bull. New York: Henry Holt, 1993.
The Lance and the Shield: The Life and Times of Sitting Bull