Narcotic drugs, additional cooperative arrangements to curb illegal traffic : agreements between the United States of America and Mexico, amending the agreement of March 29, 1983, effected by exchange of letters signed at Mexico April 25, 1985 and exchange of letters, signed at Mexico January 29 and March 12, 1986.
Washington, D.C. : Dept. of State : For sale by the Supt. of Docs., U.S. G.P.O., [1993?]