Adams, D. K.  <br/><br/>
America in the twentieth century :  a study of the United States since 1917 / 
D. K. Adams. 
 - London :  Cambridge University press,   c 1967. 
 - viii, 264 p. :  ill. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/>334  334 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Presidential administration--United States.
<br/><br/><label>Dewey Class. No.: </label>973.91 / A11a