Black-Michaud, Jacob . Sheep and land : the economics of power in a tribal society / by Jacob Black-Michaud. - Cambridge : Cambridge University Press , 1986. - 231p. : figures ; 22cm . Includes index and references ISBN: UKP 15.00 (Hb) Subjects--Index Terms: AGRICULTURE Dewey Class. No.: 338.1763 / BLA/S