Harrison Graham: The Corpse Collector

The Philadelphia Inquirer, August 1987-Dec 20, 2003.

The Philadelphia Daily News, August 10, 1987-1995.

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Ramsland, Katherine.  "The Human Predator: A Historical Chronicle of Serial Murder and Forensic Investigation."  New York: Berkley, 2005.

Schechter, Harold.  "The Serial Killer Files."  New York: Ballantine, 2003.