See publications of the Drugs & Crime Data Center and Clearinghouse, the Bureau of Justice Statistics Clearinghouse, and the National Clearinghouse for Alcohol and Drug Information; M. Booth, Opium: A History (1996); P.-A. Chouvy, Opium: Uncovering the Politics of the Poppy (2010).
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.