Becher, Anne  . <br/><br/>
American environmental leaders: from colonial times to the present /  
by Anne Becher. 
 - California :   ABC-CLIO, Inc ,   2000 
 - 2 vols ;  
<br/><br/><label>ISBN: </label>1-57607-162-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmrntalists-United States-Biography
<br/><br/><label>Dewey Class. No.: </label>G:55.7  / P0.2