1. The 1992 campaign: New York; Clinton admits experiment with marijuana in 1960s.;Ifill G;The New York Times,1992
2. Blurred Boundaries: The Therapeutics and Politics of Medical Marijuana
3. National Conference of State Legislatures. State Medical Marijuana Laws. http://www.ncsl.org/research/health/state-medical-marijuana-laws.aspx. Accessed June 20 2016.
4. Cole JM. Deputy Attorney General Memorandum for all United States Attorneys: Guidance Regarding Marijuana Enforcement. August 29 2013. https://www.justice.gov/iso/opa/resources/3052013829132756857467.pdf. Accessed June 20 2016.