Bierstedt Robert <br/><br/>
Social Order / 
Robert Bierstedt 
 - Third edition 
 - New York :   Mcgraw-Hill ,   [1970]. 
 - 563 p.  23cm. 
<br/><br/><br/>Eng 
<br/><br/><label>LC Class. No.: </label>HM51 BIE 1970