Maturing out of narcotic addiction
Ten years of the Coca Monopoly in Peru
Tranquillizing and related drugs:
Doctor George Panopoulos
Report of the Interdepartmental Committee on Narcotics to the President of the United States, January 1961
The Plenipotentiary Conference for the adoption of a Single Convention on Narcotic Drugs
The work of the Permanent Central Opium Board in 1961
Estimated world requirements of narcotic drugs in 1962