Clarke, William Eagle. <br/><br/>
Studies in Bird Migration.  Volume 1 / 
William Eagle Clarke. 
 - Cambridge :  Cambridge University Press 
 - 1 online resource (376 pages) 
 - Cambridge Library Collection - Zoology .
<br/><br/><label>ISBN: </label>9781107358478 (ebook) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Birds--Migration.<br/>Birds--Great Britain.