The Allentown Massacres
Adams, Lorraine. "Too Close for Comfort," The Washington Post, April 2, 1995.
Durdock, Corrine. "Doctors ask that Howorth continue treatment," East Penn Press, July 1998.
Ewing, Charles Patrick. Kids Who Kill. New York: Avon, 1990.
Garlicki, Debbie. "Howorth will Stay in State Hospital," The Morning Call, Aug. 26, 2004.
Levin, Jack and Kack McDevvitt. "Hate Crimes," The Encyclopedia of Peace, Violence, and Conflict. San Diego, CA: Academic Press, 1999.
Linder, Lee. "Freeman Brothers Returned," Harrisburg Evening News, March 15, 1995.
Murder in the Family. A&E documentary, 1996.
Rosen, Fred. Blood Crimes: The Pennsylvania Skinhead Murders. New York: Kensington, 1996.
Russell, Heidi. "Skinhead Suspects nabbed in Deaths of Parents, Brother," The Harrisburg Patriot, March 2, 1995.
Woolley, Wayne. "Two Parricides linked at Trial," York Daily Record, Oct, 10, 1995.
Articles from The Morning Call, The Pittsburgh Post, The New York Times, The Philadelphia Inquirer, The Easton Times-Express, The Harrisburg Patriot, and other area papers about both cases.
American History X, 1998.