La terrible et merveilleuse vie de Robert le Diable  [electronic resource] / 
Anonymous 
 -  Project Gutenberg,  2007 
 - Project Gutenberg  22830 .
<br/><br/> Public domain in the USA. 
<br/><br/>Electronic text 
<br/><br/><label>Subjects--Index Terms: </label>Robert I, Duke of Normandy, approximately 1010-1035 -- Romances 
<br/><br/><label>LC Class. No.: </label>PQ