Lopez, Robert S., <br/><br/>
The Commercial Revolution of the Middle Ages, 950-1350 : 

 -  Cambridge University Press,  1976. 
 - 196 pages 
<br/><br/><label>ISBN: </label>9780521290463 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business & Economics.
<br/><br/><label>Dewey Class. No.: </label>330.94144  / LOP