Coward, T. A.  1867-1933. <br/><br/>
The migration of birds / 
by T.A. Coward. 
 - 3rd ed. 
 - Cambridge :  Cambridge University Press,  1929. 
 - viii, 137 p. :  ill. ;  21 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781107606098 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Birds--Migration.