Dan Baum, Smoke and Mirrors: The War on Drugs and the Politics of Failure, Little, Brown & Co., 1996, p. 15.
Richard M. Nixon, message to Congress, June 17, 1971, from Edward J. Epsteinís Agency of Fear, 1977.
Nixon Tapes, Conversation 568-4, Sept. 9, 1971, Oval Office Conversation with Nixon, Raymond P. Shafer, Jerome H. Jaffe, and Egil G. Krogh, Jr., , transcript on the web at http://www.csdp.org/research/nixonpot.txt.
Federal Bureau of Investigation, Uniform Crime Reports, 1973-Current.
National Research Council, National Academy of Sciences, "Informing America's Policy on Illegal Drugs: What We Don't Know Keeps Hurting Us" (Washington, DC: National Academy Press, 2001), p. 1; Office of National Drug Control Policy, 2005 National Drug Control Strategy.
Substance Abuse and Mental Health Services Administration, US Department of Health and Human Services, Results from the 2005 National Survey on Drug Use and Health: National Findings (Rockville, MD: Office of Applied Studies, Sept. 2006), p. 224, Table G.1, p. 225, Table G.2, p. 226, Table G.3 & p. 227, Table G.4.