Egan, Timothy. (2012, December 13). In Ignorance We Trust. New York Times. Retrieved from http://opinionator.blogs.nytimes.com/2012/12/13/egan-in-ignorance-we-trust/?hp

Lowenthal, D. (1985). The Past is a Foreign Country. New York, NY: Cambridge University Press.

New Mexico Bureau of Geology & Mineral Resources. (2014, August 4). Virtual Geologic Tour of New Mexico: Physiographic Provinces. Retrieved from http://geoinfo.nmt.edu/tour/provinces/home.html

Novick, P. (1988). That Noble Dream: The ‘Objectivity Question’ and the American Historical Profession. New York, NY: Cambridge University Press.

Rael, P. (2004). Reading Primary Sources. Retrieved from http://www.bowdoin.edu/writing-guides/

Restall, M. (2003). Seven Myths of the Spanish Conquest. New York, NY: Oxford University Press.

White, R. (2011). Railroaded: The Transcontinentals and the Making of Modern America. New York, NY: W.W. Norton & Company.

Wolf, Eric R. (2010). Europe and the People Without History. Berkeley, CA: University of California Press. (Originally published 1982).