Simpson, George Gaylord, 1902-  Simpson, George Gaylord, 1902- <br/><br/>
Penguins :  past and present, here and there / 
George Gaylord Simpson. 
 - New Haven :  Yale University Press,  1976. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 143-145. 
<br/><br/><label>ISBN: </label>  
<br/><br/><label>LCCN: </label>75027211 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Penguins.
<br/><br/><label>LC Class. No.: </label>QL696.S473  / S55 
<br/><br/><label>Dewey Class. No.: </label>598.4/41