Hagen, Evertt E. <br/><br/>
On the theroy of social change 

 - Bombay  Vakils, Feffer and Simons   1962 
 - 158p. 
<br/><br/><label>Subjects--Index Terms: </label>History social change 
<br/><br/><label>Dewey Class. No.: </label>303.4  / HAG