Barstow, Charles L. The Westward Movement. New York: The Century Co., 1912.

Billington, Ray A. The Far Western Frontier: 1830 - 1860. New York: Harper and Row, 1956.

Clark, Dan Elbert. The West in American History. New York: Thomas Y. Crowell Co., 1937.

Coman, Katherine. Economic Beginnings of the Far West: How We Won The Land Beyond the Mississippi. New York: The Macmillan Co., 1912.

Drago, Harry S. Roads to Empire: The Dramatic Conquest of the American West. New York: Dodd, Mead, and Co., 1968.

McCaleb,Walter F. The Conquest of the West. New York: Prentice-Hall, Inc., 1947.

Paxon, Frederic L. History of the American Frontier: 1763 - 1893. Boston: Houghton Mifflin Co., 1924.

Woestemeyer, Ina F. The Westward Movement: A Book of Readings on Our Changing Frontiers. New York: D. Appleton - Century Company, Inc., 1939.

Popular pages: Westward Expansion (1807-1912)