Africa from twelfth to the sixteenth centuary/ 
Joseph Ki-Zerbo and Djibril Tamsir Niane 
 - Abridged edition 
 - California:  UNESCO,  1997 
<br/><br/><label>ISBN: </label>0852550944 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Africa -- History--Africa -- History
<br/><br/><label>LC Class. No.: </label>DT20 AFR 1997