Northrup David <br/><br/>
Trade without rulers   Pre-colonial economic development in south-eastern Nigeria      

 -  1978 
<br/><br/><label>Standard No.: </label>4705 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>X:54.654'M, L8