Leakey, Richard E. <br/><br/>
Origins :  what new discoveries reveal about the emergence of our species and its possible future / 
Richard E. Leakey & Roger Lewin. 
 - New York :  Dutton,  1977. 
 - 264 p. :  ill. (some col.) ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Anthropology.<br/>Human evolution.
<br/><br/><label>Dewey Class. No.: </label>573.2