Duffy, Eamon <br/><br/>
Ten Popes Who Shook the World 

 - London  Yale University Press  2011 
 - 151p 
<br/><br/> includes index and biblioraphy 
<br/><br/>Introduction                  9  St Peter              2  Leo The Great                 39  gregory The Great                   49  Gregory VII                             59  Innocent III                            71 
<br/><br/><label>ISBN: </label>9780300176889  1742 
<br/><br/><label>Dewey Class. No.: </label>J33  / D874