The Gray whale :  Eschrichtius robustus / 
edited by Mary Lou Jones, Steven L. Swartz, Stephen Leatherwood with illustrations by Pieter Arend Folkens 
 - Orlando, Fla. :  Academic Press,  1984 
 - xxiv, 600 p. :  ill. ;  24 cm. 
<br/><br/> Maps on lining papers 
<br/><br/>Includes bibliographies and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pacific gray whale<br/>Whaling--Pacific Coast (North America)