TY - BOOK AU - Alpers,Edward A. TI - Ivory & Slaves In East Central Africa: Changing Patterns Of International Trade To The Later Nineteenth Century SN - 043532005X : AV - HF 3899 .E3 A46 1975 PY - 1975/// CY - London PB - Heinemann KW - Ivory industry KW - Africa KW - Slave-trade KW - Africa, Eastern KW - History N1 - American ed. published under title: Ivory and slaves; Includes index ER -