Mcdonald, Forrest, <br/><br/>
The United states in the twentieth century / 
Forrest Mcdonald. 
 - London :  Addison- Wesley Publishing Company,  1970. 
 - Volume 2, 241 pages ;  21 cm. 
<br/><br/> Includes index.  
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--20th century.
<br/><br/><label>Dewey Class. No.: </label>973  / M14