Convention for Limiting the Manufacture and Regulating the Distribution of Narcotic Drugs of July 13th, 1931 : historical and technical study
by the Opium Traffic Section of the Secretariat of the League of Nations
(Series of League of Nations publications, 11 . Opium and other dangerous drugs ; 1937.XI.3)
League of Nations, 1937
At head of title: League of Nations
"Official no.: C.191.M.136.1937.XI"
Includes bibliographical references
Includes index
League of Nations