Encyclopedia of the world's endangered languages / 
edited by Christopher Moseley. 
 - 1st  ed. 
 - London :  Routledge,  2007. 
 - xvi, 669  p. 
<br/><br/><label>ISBN: </label>0415563314 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language and languages--Encyclopedias.