• Ramsland, Katherine. “Dr. Robert Hare: Expert on the Psychopath.” Crime Library. http://www.trutv.com/library/crime/criminal_mind/psychology/ robert_hare/index.html.
• Stone, Michael H. “Sadistic Personality in Murderers.” In Millon and Davis, Psychopathy: Antisocial, Criminal, and Violent Behavior, pp. 346—55.