Leakey, Richard E. <br/><br/>
Origins reconsidered :  in search of what makes us human / 
Richard Leakey and Roger Lewin. 
 - New York :  Doubleday,  c1992. 
 - p.       cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0385412649 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Anthropology.<br/>Human evolution.<br/>Man, Prehistoric--Africa, East.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Africa, East--Antiquities.
<br/><br/><label>LC Class. No.: </label>GN31.2  / .L4 1992 
<br/><br/><label>Dewey Class. No.: </label>573.2