Leakey, Richard E <br/><br/>
Origins :  what new discoveries reveal about the emergence of our species and its possible future / 
by Richard E. Leakey and Roger Lewin. 
 - New York :  Penguin books,  1977. 
 - 255 p. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780140153361 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Anthropology.<br/>Human evolution.
<br/><br/><label>Dewey Class. No.: </label>573.2  / LEA