Masonen, Pekka. <br/><br/>
The Negroland revisited : discovery and invention of the Sudanese Middle Ages /  
Pekka Masonen. 
 - Helsinki :   Finnish Academy of Science and Letters,   2000. 
 - 599 p. :  ill., maps 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9514108868 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ghana (Empire) --Historiography.<br/>Mali (Empire) --Historiography.<br/>Songhai Empire --Historiography.
<br/><br/><label>LC Class. No.: </label>DT 532.15 MAS 2000