"Vietnam (Republic)" . . "Stati Uniti" . . "United States" . . "Guerra del Vietnam. 1961-1975 Storia 1972 Fonti." . . "Structure and scope. \"This volume is part of a subseries of volumes of the Foreign Relations series that document the most important issues in the foreign policy of Presidents Richard M. Nixon and Gerald R. Ford ... This specific volume documents U.S. policy toward the war in Vietnam from January 20 to October 7, 1972.\"--Preface" . . . "Sources" . . . . . "Vietnam, January--October 1972" . "Vietnam, January-October 1972" . . . "Foreign relations of the United States, 1969-1976" . . . . . . . . . . . . . . . . . . . . . "Vietnam, January - October 1972" . . . "1969 - 1974" . . "Vietnam del Sud" . . . . "Vietnam (Democratic Republic)" . .