Boyd, Maurice,  1921- <br/><br/>
American civilization :  an introduction to the social sciences / 
by Maurice Boyd & Donald Worcester. Foreword by Harry J. Carman 
 - 2d ed. 
 - Boston :  Allyn and Bacon,  1968 
 - xv, 787 p. :  ill., maps. ;  25 cm. 
<br/><br/>Bibliography : p. 731-755 
<br/><br/><label>LCCN: </label>68-021034 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Civilization