Convention internationale de l'opium signée à La Haye
Contributors: League of Nations.; International Opium Conference (1913 : Hague, Netherlands); International Opium Conference (1914 : Hague, Netherlands)
Publisher: Imp. réunies s. a.
Published: 1923
Place of publication: [Lausanne
Language: fre
Number of pages: 29
Subjects: Opium trade.