Pollard Sidney <br/><br/>
Idea of progress   History and society    

 - Harmondsworth  Penguin Books           1971 
 - 221p  cm. 
 - Pelican Books .
<br/><br/> Bibliography: p 206-216 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social Development
<br/><br/><label>Dewey Class. No.: </label>Y:677, L1