Nicholls, C. S. The Swahili coast : politics, diplomacy and trade on the East African littoral, 1798-1856 / by C. S. Nicholls. - London : Allen & Unwin, 1971. - 3-419 p. : ISBN: 0049670026 Subjects--Personal Names: Said bin Sultan, Sultan of Zanzibar, 1791-1856. Subjects--Geographic Terms: Africa, East--History--To 1886.Africa, East--Commerce.Oman--History. Dewey Class. No.: 967.603 / Sw