Leakey, L. S. B. <br/><br/>
Olduvai Gorge, 1951-61. Vol.2 

 - Cambridge  Cambridge University Press  1967 
 - xvi,263p.  29cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Stone age
<br/><br/><label>LC Class. No.: </label>GY GN776.T3L42