Denning, Dorothy E. and Peter J. Denning. Internet Besieged: Countering Cyberspace Scofflaws. New York: ACM Press (1998)
Dudley, J. Wayne, '"Hate" Organizations of the 1940s: The Columbians, Inc.', Phylon, Vol. 42, No. 3 (3rd Qtr., 1981), pp. 262–274 (JSTOR)
Jessup, Michael The Sword of Truth in the Sea of Lies: The Theology of Hate, Google Print, p.165-p.166, in Robert J. Priest, Alvaro L. Nieves (ed.), This Side of Heaven, Oxford University Press US, 2006, מסת"ב 0-19-531056-X
^"Hate Crime Data Collection Guidelines", Uniform Crime Reporting: Summary Reporting System: National Incident-Based Reporting System, U.S. Department of Justice: Federal Bureau of Investigation, Criminal Justice Information Services Division, Revised October 1999.
