Alpers E <br/><br/>
Ivory And Slaves Changing Patterns Of International Tradein East Central Africa To The Later Nineteenth Century 

 -  Berkerly : Univ. Of California 1975. 
 - 296 
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>0 520 02689 0 (Hbk)