Austen, Ralph A <br/><br/>
Middlemen of the Cameroons Rivers : the Duala and their hinterland, c.1600-c.1960 
Ralph A. Austen and Jonathan Derrick 
 - Cambridge  Cambridge University Press  1999 
 - xii, 252 p. : map ; 23 cm 
<br/><br/> Includes bibliographical references (p. 235-249) and index 
<br/><br/><label>ISBN: </label>9780521562287 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cameroon - Economic conditions - To 1960<br/>Cameroon - History - To 1960<br/>Duala (African people) - History
<br/><br/><label>Dewey Class. No.: </label>967.1121 AUS