TIERNEY, Brian. <br/><br/>
The middle ages - vol.1 : Sources of medieval history 

 - 6th ed 
 - New York  McGraw - Hill, Inc  1999 
 - xviii, 359 
<br/><br/><label>ISBN: </label>0-07-303289-1 
<br/><br/><label>Dewey Class. No.: </label>909.07