Jones, G. I.,  1904. <br/><br/>
The trading states of the oil rivers :  a study of political development in Eastern Nigeria. 

 - London :  Oxford University Press,  c1963. 
 - 262p :  ill., maps, tables ;  23cm. 
<br/><br/> Appendix B (p.221-245) 
<br/><br/>Includes bibliography. 
<br/><br/> Close access. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nigeria, Eastern--History.<br/>Nigeria, Eastern--History.--Sources.