Narcotics. International convention for limiting manufacture and regulating distribution of narcotic drugs, convention for limiting manufacture and regulating distribution of narcotic drugs, dated July 13, 1931, and signed by plenipotentiaries of United States and 43 other countries represented at conference for limitation of manufacture of narcotic drugs, held at Geneva, May 27-July 13, 1931, with protocol of signature [and with report of delegation of United States to conference].