1. Single Convention on Narcotic Drugs, 1961, as amended by the 1972 Protocol Amending the Single Convention on Narcotic Drugs, 1961. Convention on Psychotropic Substances, 1971.
2. Conventioon on Psychotropic Substances, 1971.
3. United Nations Conference for the adoption of a Protocol on Psychotropic Substances, Vienna, 11 January to 19 February 1971. (E/CONF.58.7).
4. Report of a Meeting of Advisers, “Implementation of the Convention on Psychotropic Substances: Functions and Responsibilities of WHO”,1976