Horowitz, David A.  1941- <br/><br/>
On the edge :  the United States in the twentieth century / 
David A. Horowitz, Peter N. Carroll. 
 - 3rd ed. 
 - Belmont, CA :  Thomson/Wadsworth,  c2005. 
 - xvi, 575 p. :  ill., maps ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0534571867 
<br/><br/><label>LCCN: </label>2004102422 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--History--20th century.<br/>Estados Unidos--Historia--Siglo XX
<br/><br/><label>LC Class. No.: </label>002 E 741  / H816o 2005 
<br/><br/><label>Dewey Class. No.: </label>973.91