Gary Heidnik: To Hell and Back
Bibliography
The reference material for this story was drawn from the following sources:
PG News website - www.postgazette.com
Philadelphia Daily News - <>
Douglas,John E. & Mark Olshaker, "Obsession." Pocket Books, New York.
Englade, Ken, "Cellar of Horror." St. Martins Press, New York.
"Crime - An Encyclopedia" - Oliver Cyriax - Andre Deutsch Ltd. London.
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