May in Groups 

 - America:  Harcourt brace jovanovich,Inc,  1972. 
 - 80p.;  col.ill.;  28cm 
<br/><br/><label>ISBN: </label>015377343X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social processes
<br/><br/><label>Dewey Class. No.: </label>303  / MAN