Twelve years of American intervention and aggression in Laos / 12 Years of U.S. Imperialist Intervention and Aggression in Laos. Vietnam War, 1961-1975 Laos. 959.704 TWE Includes bibliographical references. Laos : New Lao Haksat Publications, 1966. 1966. 1966 Text 129 p. eng Laos Politics and government. Laos Foreign relations United States. United States Foreign relations Laos. Laos.