prepared for the Permanent Subcommittee on Investigations of the Committee on Governmental Affairs, United States Senate by the Congressional Research Service, Library of Congress
prepared for the Subcommittee on Government Information, Justice, and Agriculture of the Committee on Government Operations, by the Congressional Research Service, Library of Congress
prepared by the Congressional Research Service, Library of Congress, on a seminar held on May 8, 1987 for the Caucus on International Narcotics Control of the United States Senate