Media type: E-Article Title: General History of Africa. IV: Africa from the Twelfth to the Sixteenth Century Contributor: Miller, Joseph C.; Niane, Djibril Tamsir imprint: JSTOR, 1987 Published in: Journal of Interdisciplinary History Language: Not determined DOI: 10.2307/204643 ISSN: 0022-1953 Keywords: History and Philosophy of Science ; History ; History and Philosophy of Science ; History Origination: Footnote: