Cumming E. Au. <br/><br/>
Systems of social regulation 
Cumming E. Au. 
 - New York  Atherton press U.S.A.       1968 
 - 324p  cm. 
<br/><br/><label>Standard No.: </label>16,850 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>Y1:4:5:S8, K8