Harrison K. David   <br/><br/>
When languages die: the extinction of the world's languages and the erosion of human knowledge 

 - New York  Oxford University Press  2007 
 - x,283 p. :ill.  Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780195372069 
<br/><br/><label>Source: </label>General Books 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociology