Ancient civilizations of Africa / editor G. Mokhtar. - Abridged ed. - California : James Currey : Unesco, [1990] - XIX, 420 p. : il. ; 21 cm. - General history of Africa ; 2 . - General History of Africa 2 . ISBN: 0-85255-092-8 Subjects--Geographic Terms: África---Historia---Hasta 1498 Universal Decimal Class. No.: 960".../1498"