Sprott, W. J. H.  <br/><br/>
Human groups 

 - Harmondsworth  Penguin Books  1959 
 - 219 
 - Pelican Books A346 .
<br/><br/> With references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social psychology<br/>Sociology
<br/><br/><label>Dewey Class. No.: </label>302  / Sp87h