Unintended consequences

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^ Clive Feather (25 April 1996). Peter G. Neumann (ed.). "AOL censors British town's name!". The Risks Digest. ACM Committee on Computers and Public Policy. 18 (7).

^ Cockburn, Craig (9 March 2010). "BBC fail – my correct name is not permitted". blog.siliconglen.com. Retrieved 24 February 2011.

^ Moore, Matthew (2 September 2008). "The Clbuttic Mistake: When obscenity filters go wrong". The Daily Telegraph. London. Archived from the original on 2022-01-12. Retrieved 4 April 2010.

^ "F-Word Town's Name Gets Censored By Internet Filter". Retrieved 27 July 2011.

^ "Evaluating Head Injuries and Helmet Laws in Australia and New Zealand".

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^ de Jong. Piet (2012), "Evaluating the Health Benefit of Mandatory Bicycle Helmet Laws", Risk Analysis, Vol.32, No.5, p.782-790.

^ Juan Forero, "Colombia's Coca Survives U.S. plan to uproot it", The New York Times, August 19, 2006

^ Don Podesta and Douglas Farah, "Drug Policy in Andes Called Failure," Washington Post, March 27, 1993

^ Dominic Streatfeild (June 2000). "Source Material for Cocaine: An Unauthorized Biography: Interview between Milton Friedman and Dominic Streatfeild". Dominicstratfeild. Archived from the original on 2012-11-13. Retrieved 2012-11-21.