Kaplan, H.I., Sadock, B.J., & Grebb, J.A. (1994). Kaplan and Sadock's synopsis of psychiatry (7th ed.). Baltimore: Williams & Wilkins.
2.
Rotman, E. (1995). The failure of reform: United States, 1865-1965 . In N. Morris & D. J. Rothman (Eds.), The Oxford history of the prison: The practice of punishment in Western Society (pp. 169-197). New York: Oxford University Press.
3.
Rothman, D.J. (1995). Perfecting the prison: United States, 1789-1865 . In N. Morris & D. J. Rothman (Eds.), The Oxford history of the prison: The practice of punishment in Western Society (pp. 111-129). New York: Oxford University Press.
4.
Spierenburg, P. (1995). The body and the State: Early modern Europe. In N. Morris & D. J. Rothman (Eds.), The Oxford history of the prison: The practice of punishment in Western Society (pp. 50-77). New York: Oxford University Press.
5.
USATODAY.com. (2006). Commission warns of harm isolation can do to prisoners. Retrieved August 21, 2008, from http://www.usatoday.com/news/nation/2006-06-07-solitary-confinement-study_x.htm