Voegelin, C. F.  b.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. 
 - Foundations of linguistics series .
<br/><br/>Bibliography: p.  359 -383 
<br/><br/><label>ISBN: </label>0444001557 
<br/><br/><label>LCCN: </label>74-19546 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language and languages--Classification