Report to the Council.
League of Nations.Commission of Enquiry into the Control of Opium Smoking in the Far East.
Geneva : League of Nations,
1930-32.
Vol.1 Report with comparative tables, maps and illustrations -- Vol.2 Detailed memoranda on each territory visited by the Commission -- Vol.3 Collection of laws and regulations governing the control of opium-smoking in the territories visited by the Commission of Enquiry.