Cheetham, Nicholas. <br/><br/>
Keepers of the keys :  a history of the popes from St. Peter to John Paul ll / 
Nicholas Cheetham. 
 - New York :  Charles Scribner's,  c1982. 
 - 340 p. 
<br/><br/><label>ISBN: </label>068417863x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Papacy--History.
<br/><br/><label>LC Class. No.: </label>BX 955.2  / .C465