Title: Colombian Agency and the making of US Foreign Policy: Intervention by Invitation, Author: Alvaro Mendez
Title: Drugs, Thugs, and Diplomats: U.S. Policymaking in Colombia, Author: Winifred Tate
Title: Domestic Politics and International Narcotics Control: U.S. Relations with Mexico and Colombia, 1989-2000, Author: Victor J. Hinojosa