Hartwig, Gerald W The Art of sarvival in East Africa - New York : Hoimer and Meser Publishers Inc, 1976. - xiii,253p. : ill. ; 22cm. - The Kerebe and Long Distance , 1800-1895 . Includes index ISBN: 0-8419-0182-1 Subjects--Topical Terms: Kerebe Bantu peopleTanzania-Commerce-History LC Class. No.: ARC DT443.H37