TY - BOOK AU - Sheriff,Abdul TI - Slaves, spices, & ivory in Zanzibar: integration of an East African commercial empire into the world economy, 1770-1873 SN - 0821408712 U1 - 967.81 22 PY - 1987/// CY - London, Athens PB - J. Currey, Ohio University Press KW - Slave-trade KW - Tanzania KW - Zanzibar KW - History KW - Spice trade KW - Ivory industry N1 - Revision of the author's thesis; Includes index ER -