Scheffer, Victor B. <br/><br/>
The shaping of environmentalism in America / 
Victor B. Scheffer. 
 - Seattle :  University of Washington Press,  1991. 
 - x, 249 p. : ill. ; 24 cm. 
<br/><br/> Includes bibliographical references (p. 199-229) and index. 
<br/><br/><label>ISBN: </label>029597060X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental policy--United States--History.<br/>Environmental protection--United States--History.<br/>Human ecology--United States--History.