Cantril, Hadley, 1906-1969.  Cantril, Hadley, 1906-1969. <br/><br/>
The psychology of social movements. 

 - New York :  J. Wiley,  [1967] 
<br/><br/> First published in 1941. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social psychology.<br/>Crowds.