The impact of social class  a book of readings 
Edited by Paul Blumberg 
 - New York  Harper & Row  1972 
 - 544 p. ; 23 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0690434847 
<br/><br/><label>LCCN: </label>72-165375 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social classes--Addresses, essays, lectures