Roland, Oliver <br/><br/>
Medieval Africa, 1250 - 1800 
 Roland Oliver 

 - Cambridge  Cambrdge University Press  2001 
 - vii, 251p. : ill. 
<br/><br/><label>ISBN: </label>0521793726 
<br/><br/><label>LC Class. No.: </label>DT 25 Oli