China's six-years opium suppression plan starts working
Subtitle: statement to the League's Opium advisory committee, of June 1, 1935, as well as the ... original League documents presented to the Committee in the course of its 20th session, Geneva, May 20 - June 5, 1935
Published: [n.d.]
Place of publication: Geneva
Language: eng
Notes: Multigraphed.