*[http://www.usdoj.gov/oig/special/9712/ch04p2.htm The CIA-Contra-Crack Cocaine Controversy: A Review of the Justice Department's Investigations and Prosecutions], December 1997
*[http://www.usdoj.gov/oig/special/9712/ch04p2.htm The CIA-Contra-Crack Cocaine Controversy: A Review of the Justice Department's Investigations and Prosecutions], December 1997
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*[https://archive.org/details/Kerry-Report-Drugs-Contras Drugs, Law Enforcement and Foreign Policy]. Subcommittee on Terrorism, Narcotics and International Operations (Kerry Committee). GPO. Washington DC. December 1988.