Nielsen, Larry A. <br/><br/>
Nature's Allies :  Eight Conservationists Who Changed our World / 
Larry A. Nielsen. 
 - Washington:  IslandPress:  2017., 
 - xv, 255 pages ;  [hb] 
<br/><br/><label>ISBN: </label>9781610917957 (cloth : acidfree paper) 1610917952 (cloth : acidfree paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conservationists--Biography.<br/>Naturalists--Biography.<br/>Environmentalists--Biography.
<br/><br/><label>Dewey Class. No.: </label>720  / NIE-N