Charles Beard. An Economic Interpretation of the Constitution. New York: Dover Books, 2004.

Noam Chomsky. “The U. S. Behaves Nothing Like a Democracy,” http://salon.com; Howard Zinn. A People’s History of the United States. New York: HarperPerennial, 1983, pp. 74, 85–86; Howard Zinn. A Power Governments Cannot Suppress. San Francisco: City Lights, 2007, p. 116.