A black Byzantium : the kingdom of Nupe in Nigeria / S.F. Nadel ; with a foreword by Lord Lugard. Nadel, S. F. International African Institute. Nupe (African people) 966.9 NAB Includes bibliographical references and index. New York : Published for the International African Institute by the Oxford University Press, 1969. 1969. 1969 Text xiv, 420 p., [17] p. of plates : eng