Gifford, E. W. <br/><br/>
Expedition of the California Academy of Sciences to the Galapagos Islands, 1905-1906 - 13 :  field notes on the land birds of the Galápagos Islands and of Cocos Islands, Costa Rica / 
E. W. Gifford. 
 - [S.d. :  s.d.],  1919 
 - 190-258.  [s.d.] 
 - Proceedings of the California Academy of Sciences, 4th Series, 2 (2) .
<br/><br/><br/>Inglés 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoología<br/>Zoology<br/>Ornitología<br/>Ornithology<br/>Aves<br/>Birds<br/>Ciencias básicas<br/>Pure science
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Islas Galápagos<br/>Galapagos Islands
<br/><br/><label>Dewey Class. No.: </label>598.2922