Oliver, Roland Anthony. <br/><br/>
A short history of africa / 
By Roland Oliver and J. D. Fage. 
 - 4th ed. 
 - Harmondsworth :  Penguin,  1972. 
 - 301 p. :  ill. ;  19 cm. 
<br/><br/>Bibliography : p. 273-286. 
<br/><br/><label>ISBN: </label>0140410023 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Africa--History.