Pepper, David. <br/><br/>
The roots of modern environmentalism /  
NULL. 
 - London :   Routledge ,   1984. 
 - x,246p. :   ill.,figs. ;   22cm. .  
<br/><br/>NULL 
<br/><br/><label>ISBN: </label>041503972X  P.14=99 
<br/><br/><label>Subjects--Index Terms: </label>ECOLOGY-PHILOSOPHY-HISTORY 
<br/><br/><label>Dewey Class. No.: </label>304.209  /