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"Pragmatism". iep.utm.edu. Internet Encyclopedia of Philosophy, University of Tennessee, Martin. Archived from the original on May 23, 2019. Retrieved August 18, 2018.
Elder, Robert (1998). "Prisoner of Hope". inFlux. University of Oregon School of Journalism and Communication. Archived from the original on February 9, 2002. Retrieved November 4, 2015.