Earle Leonard Nelson: The Dark Strangler
Bibliography
Baeza, J. & Turvey, B., "Sadistic Behavior: A Literature Review," Knowledge Solutions Library, Electronic Publication, May, 1999.
Douglas, John E. and Mark Olshaker, The Anatomy of Motive : The FBI's Legendary Mindhunter Explores the Key to Understanding and Catching Violent Criminals Simon and Schuster: New York, 2000.
Hillman, H. "The Possible Pain Experienced During Executions by Different Methods," 22 Perception 745 (1992).
Fred A. Leuchter Associates, Inc., Execution By Hanging: Operation and Instruction Manual. State of Delaware: 1990.
Keppel, Robert D. with William J. Birnes Signature Killers, Pocket Books: New York, 1997.
Ressler, Robert K., Ann W. Burgess, John E. Douglas, Crime Classification Manual, Simon and Schuster: New York, 1999.
Ressler, Robert K., Ann W. Burgess, John E. Douglas, Horace J. Heafner Sexual Homicide: Patterns and Motives, Simon and Schuster: New York, 1995.
Schechter, Harold, Bestial, Pocket Books: New York, 1998.
Turvey, Brent. E-mail communication with Mark C. Gribben. Feb. 23, 2002.