Voegelin, C. F. <br/><br/>
Classification and index of the world's languages / 
C.F. and F.M. Voegelin. 
 - New York :  Elsevier,  1977. 
 - 658 p. 
 - Foundations of linguistics series .
<br/><br/><label>ISBN: </label>0444001557 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language and languages--Classification.