Leakey, Richard E. <br/><br/>
Origins reconsidered :  in search of what makes us human / 
Richard Leakey and Roger Lewin. 
 - London :  Abacus,  1993. 
 - xxii, 375 p., [14] p. of plates :  ill., maps ;  20 cm. 
<br/><br/> Includes index.  First published in Great Britain in 1992 by Little, Brown and Company. 
<br/><br/><label>ISBN: </label>0349103453 (pbk.)  Hadiah 9780349103457 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Anthropology.<br/>Human evolution.<br/>Prehistoric peoples--Africa, East.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Africa, East--Antiquities.