Black John D <br/><br/>
Biological conservation: with particular emphasis on wild life 

 - New York       Blakiston          1954 
 - xiv, 328p.  cm. 
<br/><br/><label>Standard No.: </label>54015 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animal Ecology
<br/><br/><label>Dewey Class. No.: </label>K:527, J4