America in the 20th century.  Index 
 America in the twentieth century 

 - NewYork :  Marshall Cavendish,  c2003. 
 - 1844p. : 
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/><label>ISBN: </label>0761473645(set) 
<br/><br/><label>LCCN: </label>94010854  
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Civilization--20th century.
<br/><br/><label>LC Class. No.: </label>E169.1  / .A471872 2003