Encyclopedia of the world's endangered languages. 

 - London :  Routledge,  2010. 
 - xvi, 668 p.  26 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780415563314 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Endangered languages<br/>Encyclopedia
<br/><br/><label>Dewey Class. No.: </label>400 MOS