Pratt, R. H., Utley, R. M., & Adams, D. W. (2003). Battlefield and classroom: Four decades with the American Indian, 1867-1904. Norman: University of Oklahoma Press.

Pratt, Richard Henry, Robert M. Utley, and David Wallace Adams. Battlefield and Classroom: Four Decades With the American Indian, 1867-1904. Norman: University of Oklahoma Press, 2003.

Pratt, Richard Henry, Robert M. Utley, and David Wallace Adams. Battlefield and Classroom: Four Decades With the American Indian, 1867-1904. Norman: University of Oklahoma Press, 2003.