Hegner, Robert W. and Stiles, Karl A. <br/><br/>
College Zoology 

 - 6 
 - New York  The MacMillan Company  1951 
 - 911 
<br/><br/><label>Subjects--Personal Names: </label> Zoology 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology