Allen, Joel Asaph <br/><br/>
History of north american pinnipeds :  : a monograph of the walruses, sea-lions, sea-bears and seals of north america / 
Joel Asaph Allen. 
 - xvi, 785 páginas :  : il. 
 - Miscellaneous Publications ;  no.12 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>MAMIFEROS MARINOS--AMERICA DEL NORTE<br/>PINNIPEDOS--AMERICA DEL NORTE
<br/><br/><label>Dewey Class. No.: </label>599.745