Report of the work of the Board issued in compliance with the terms of the Geneva Opium Convention, signed on February 19, 1925, and the Convention for Limiting the Manufacture and Regulating the Distribution of Narcotic Drugs, signed at Geneva on July 13, 1931.
United Nations.Permanent Central Opium Board,issuing body.
Great Britain.His Majesty's Stationery Office.
"October 20, 1947".