Voegelin, C. F.  1906- <br/><br/>
Classification and index of the world's languages / 
C. F. and F. M. Voegelin 
 - New York  :  Elsevier,  1977 
 - 658 p.  ;  26 cm. 
<br/><br/>Bibliography: p. 359-383. 
<br/><br/><label>ISBN: </label>0444001557 
<br/><br/><label>LCCN: </label>74-019546 //r90 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language and languages--Classification