Herring, George C., <br/><br/>
America's longest war :  the United States and Vietnam, 1950-1975 / 
George C. Herring. 
 - 4th ed. 
 - New York :  John Wiley and Sons,  1976. 
 - xiii, 298 p. : 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0072417552 (pbk. : alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vietnamese Conflict, 1961-1975--United States.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Vietnam--History--1945-1975.<br/>United States--History--1945-<br/>United States--Foreign relations--Vietnam.<br/>Vietnam--Foreign relations--United States.