Campbell, John, R. <br/><br/>
Science of animals that serve mankind 
John R. Campbell and John F. Lesley 
 - 2nd.  ed. 
 - New York  McGraw-Hill  c1975 
 - xix,732p. : ill. ; 24cm. 
<br/><br/><label>Dewey Class. No.: </label>591.1  / CAM