Freidel, Frank Burt <br/><br/>
America in the twentieth century / 
by Frank Freidel 
 - 2nd ed. 
 - New York :  Knopf,  1965 
 - xxiv, 651 p. :  ill., maps, ports. ;  25 cm. 
<br/><br/>'Books for further reading': p. 625-651 
<br/><br/><label>LCCN: </label>65-011501 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--History--20th century