League of Nations. Advisory Committee on Traffic in Opium and Other Dangerous Drugs.

• Analytical study of annual reports by governments on the traffic in opium and other dangerous drugs for the year 1940
• List of seizures reported to the League of Nations since 1921
• Liste revisée des drogues, préparations et spécialités tombant sous le coup des conventions de l'opium de La Haye (1912), de Genève (1925) et de la convention de limitation (Genève, 1931) établie par le sous-comité d'experts
• Measures suggested as a basis for the deliberations of the second Conference, November 1924
• Note explanatory of the proposals contained in document O.C.216(5)
• Rapport suivi de 4 annexes
• Report to the Council concerning the preparatory work for a conference to consider the possibility of limiting and controlling the cultivation of the opium poppy and the production of raw opium and controlling other raw materials for the manufacture of op
• Studies and documents regarding the working of the system of import certificates and export authorisations
• Traffic in opium and other dangerous drugs