Beard, Daniel B. <br/><br/>
Fading trails :  the story of endangered American wildlife / 
by Daniel B. Beard; illustrations by Walter A. Weber; edited by Charles Elliott; prepared by United States. National Park Service; U.S. Fish and Wildlife Service. 
 - New York :  The Macmillan Company,  1942. 
 - xv, 279 p. :  ill., plates (some color) ;  22 cm. 
<br/><br/>Selected bibliography: pp. 265-269; index: pp. 271-279 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology--North America<br/>Wildlife conservation--North America