Modes of aproduction in Africa: the precolonial era 
edited byCrummey, Donald 
 - Beverly Hill:  Sage,  1981. 
 -  vol.5 
<br/><br/> HB 
<br/><br/>Includes index 
<br/><br/><br/>eng 
<br/><br/><label>ISBN: </label>0803911335 0803911343 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Africa-Economics conditions-Congresses
<br/><br/><label>Dewey Class. No.: </label>338.096  / MOD