Hartwig, Gerald W. <br/><br/>
The Art of survival in East Africa :  the Kerebe and long distance trade, 1800-1895 / 
Gerald W Hartwing. 
 - New York :  Africana,  1976. 
 - xiii, 253 p. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Kerebe (African people)
<br/><br/><label>LC Class. No.: </label>DT443.3  / .K47H37