History of West Africa /edited by J.F.A. Ajayi and Michael Crowder. 

 - second edition. 
 - New York :  Columbia University Press,  (c)1976-] 
 - 2 volume :  illustrations, maps. ;  24 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/>
<br/><br/><label>LCCN: </label>75045759 
<br/><br/><label>LC Class. No.: </label>DT475  / .H578 1976 DT475