Modes of production in Africa :  the precolonial era / 
Donald Crummey and C.C. Stewart, editors. 
 - Beverly Hills :  Sage Publications,  c1981. 
 - 256 p. :  maps ;  23 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>080391133560209 0803911343 (pbk.) 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Africa--Economic conditions--To 1918--Congresses.<br/>Africa--Politics and government--Congresses.
<br/><br/><label>Dewey Class. No.: </label>330.096  / MOD 1981