Tedford, Thomas L., Dale A. Herbeck. Freedom of Speech in the United States. Pennsylvania: Strata Publishing Inc., 2005.
Mill, John Stuart. On Liberty and Other Essays. New York: Oxford University Press, 1998.
Hudson, David L. Jr., “Overview: Funeral Protests.” Updated October 2006. <http://www.firstamendmentcenter.org/assembly/topic.aspx?topic=funeral_protests>
Arthur, John. “Sticks and Stones.” Ethics in Practice. Ed. Hugh LaFollette. Massachusetts: Blackwell Publishing Ltd., 2007. 398-409.