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Boston, Massachusetts: Houghton Mifflin Company, 1918.

De Leon, Arnoldo.� Racial Frontiers.�

Albuquerque, New Mexico: University of New Mexico Press, 2002.

Hall, Roger A.� Performing the American Frontier, 1870-1906.�

Cambridge, UK: Cambridge University Press, 2001.

Peavy, Linda S.� Frontier Children.�

Norman, Oklahoma: University of Oklahoma Press, 1999.

Slotkin, Richard.� The Fatal Environment: The Myth of the Frontier in the Age of Industrialization.�

Middletown, Connecticut, Atheneum Publishers, 1986.

White, Limerick.� The Frontier in American Culture.�

Los Angeles, California: University of California Press, 1994.