Barraclough,Geoffrey. <br/><br/>
The Medieval Papacy. 

 - ed. 
 - Brace :  Harcourt,  1968. 
 - 216  p. :  ill ;    cm. 
<br/><br/><label>ISBN: </label> $ 
<br/><br/><label>Subjects--Topical Terms: </label><br/>chrisianity.