Issues for 1949-1951 lack vol. numbering but constitute v. 1-3.
Some no. issued combined.
Vol. 1 complete in one no.
Electronic reproduction. [S.l.] : HathiTrust Digital Library, 2010.
Master and use copy. Digital master created according to Benchmark for Faithful Digital Reproductions of Monographs and Serials, Version 1. Digital Library Federation, December 2002. http://purl.oclc.org/DLF/benchrepro0212
English and French, with selected articles in Spanish and Russian.
Issued by: United Nations, Division of Narcotic Drugs, Oct./Dec. 1956- ; United Nations International Drug Control Programme, <1996->
Description based on first issue; title from caption.