Swadesh, Morris. <br/><br/>
The origin and diversification of language / 
[by] Morris Swadesh ; edited by Joel Sherzer ; foreword by Dell Hymes. 
 - London :  Routledge & Kegan Paul,  [1972]. 
 - xviii, 350 p. 
<br/><br/><label>ISBN: </label>0710071957 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language and languages.