Efik traders of Old Calabar :  containing the diary of Antera Duke, an Efik slave-trading chief of the eighteenth century, together with an ethnographic sketch and notes / 
edited by Daryll Forde 
 - London :  Published for the International African Institute By Oxford University Press,  1956 
 - xiii, 166 p. :  map ;  19 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Slave-trade--Nigeria<br/>Efik (African people)
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Calabar (Nigeria)--Social conditions
<br/><br/><label>Dewey Class. No.: </label>326.109669