Jones, Gwilym Iwan <br/><br/>
The trading states of the oil rivers 

 - London  Oxford University Press  1963 
 - 262p.  23cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Eastern region of Nigeria
<br/><br/><label>LC Class. No.: </label>DT515.9.E3J6