Butterworth, M. L. (2010). Baseball and rhetorics of purity: The national pastime and American identity during the war on terror. University of Alabama Press.

Butterworth, Michael L. Baseball and Rhetorics of Purity: The National Pastime and American Identity During the War on Terror. Tuscaloosa: University of Alabama Press, 2010.

Butterworth, Michael L. Baseball and Rhetorics of Purity: The National Pastime and American Identity During the War on Terror. University of Alabama Press, 2010.