Voegelin, Charles Frederick,  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/>Bibliogr.: p. [359]-383. 
<br/><br/><label>ISBN: </label>0444001557 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language and languages--Classification
<br/><br/><label>Dewey Class. No.: </label>401/.2