Cowdrey, H.E.J. <br/><br/>
The age of Abbot Desiderius :  Montecassino, the Papacy, and the Normans in the eleventh and early twelfth centuries / 
by H.E.J. Cowdrey. 
 - Oxford :  Clarendon Press,  1996. 
 - 300 p. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0-19-821939-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Desiderius<br/>Abbazia di Montecassino<br/>Abbots--Casino--Biography--Italy