Ruhlen, Merritt,  1944- <br/><br/>
The origin of language :  tracing the evolution of the mother tongue / 
Merritt Ruhlen. 
 - New York :  Wiley,  1994. 
 - xi, 239 p. :  ill., maps ;  25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780471159636 0471159638 
<br/><br/><label>LCCN: </label>93039009 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language and languages--Origin.<br/>Language and languages--Classification.<br/>Human evolution.
<br/><br/><label>LC Class. No.: </label>P116  / .R85 1994 
<br/><br/><label>Dewey Class. No.: </label>401 RU.O 1994  / 02600