Nielsen, Larry A <br/><br/>
Nature's allies :  Eight conservationists who changed our world / 
Larry A. Nielsen 
 - Washington DC :  Island Pr,  2017. 
 - xv, 255p 
<br/><br/><label>ISBN: </label>9781610917957 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social problems, welfare and services<br/>Leopold, Aldo, 1886-1948<br/>Muir, John, 1838-1914<br/>Darling, Ding, 1876-1962
<br/><br/><label>Dewey Class. No.: </label>363.700922  / NIE