Intelligence and cultural differences :  a study of cultural learning and problem-solving / 
by Kenneth Eclls . . . [et al. ] 
 - Chicago :  The University Press,  c1951 
 - xii, 388 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label> USD 18.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Intellect<br/>Social classes
<br/><br/><label>Dewey Class. No.: </label>151