Traffic in opium.  Supplement to Summary of answers to the Opium Questionnaire of 1921
Subtitle: supplemented by other information at the disposal of the Advisory Committee on Traffic in Opium during its second session, April 19th-29th, 1922.
Publisher: League of Nations
Published: 1923
Place of publication: [Geneva
Language: eng
Number of pages: 11
Subjects: Opium trade
Notes: At head of title: C.52.M.20.1923.XI.

French and Englsih.