To reason why : the debate about the causes of U.S. involvement in the Vietnam War / - New York, N.Y. : McGraw-Hill, c1990. - xvii, 355 p. : ill., map ; 23 cm. ISBN: 0075571323 : Subjects--Topical Terms: Vietnam War, 1961-1975 Dewey Class. No.: 959 HIL 1990 A100 Or.