B. Nichols, Introduction to Documentary, 2nd Edition. Bloomington, IN: Indiana University Press, 2010. Print.  (ISBN# 978-0-253-355556-0)

 Ganter, B. Ed. Wild at Heart: The Films of Nettie Wild. Vancouver, B.C.: Anvil Press, 2009. Print. (ISBN# 978-1-897535-03-5)

 M. Hardt and A. Negri. Multitude: War and Democracy in the Age of Empire.  New York: Penguin Books, 2005. Print. (ISBN# 0-14-303559-2)