TY - BOOK AU - Austen, Ralph A AU - Derrick, Jonathan TI - Middlemen of the Cameroons Rivers : the Duala and their hinterland, c.1600-c.1960 SN - 0521562287 SN - 99206496 U1 - 967.1121 AUS PY - 1999/// CY - Cambridge PB - Cambridge University Press KW - Cameroon - Economic conditions - To 1960 KW - Cameroon - History - To 1960 KW - Duala (African people) - History N1 - Includes bibliographical references (p. 235-249) and index ER -