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Beck, Roger B. Modern World History. Evanston: McDougal Littell , n.d. Print.



"The Silent Protest of 1917." Library of Congress. N.p., n.d. Web. 2 Apr. 2010. http://myloc.gov/%20Exhibitions/naacp/earlyyears/ExhibitObjects/SilentProtestof1917.aspx.



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