1. Baird-Olson, K. (2003). Colonization, cultural imperialism, and the social construction of American Indian mixed-blood identity. In L.I. Winters & H.L. DeBose (Eds.), New faces in a changing America: Multiracial identity in the 21st century (pp. 194–221). Thousand Oaks: Sage Publications.
2. Baum, L.F. (2011). L. Frank Baum’s editorials on the Sioux Nation.
http://www.northern.edu/hastingw/baumedts.htm
. Accessed 5 Dec 2011.
3. Cardozo, C. (1996). Edward S. Curtis: Great plains. Boston: Bullfinch Press.
4. Cates, G. (2001). Indian country. New York: Grove.
5. Forbes, J.D. (1993). Africans and Native Americans: The language of race and the evolution of red-black peoples. Chicago: University of Illinois Press.