Harms, Robert W.,  1946- <br/><br/>
River of wealth, river of sorrow :  the central Zaire basin in the era of the slave and ivory trade, 1500-1891 / 
Robert W. Harms. 
 - New Haven :  Yale University Press,  c1981. 
 - xv, 277 p. :  ill., maps ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 259-267. 
<br/><br/><label>ISBN: </label>0300026161 
<br/><br/><label>LCCN: </label>81001702  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Investments--History.--Congo River Watershed
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Congo River Watershed--Commerce--History.<br/>Congo River Watershed--Social conditions.
<br/><br/><label>LC Class. No.: </label>HF3914  / .H37 
<br/><br/><label>Dewey Class. No.: </label>380.1  / HAR 1981