John C. Wei <br/><br/>
Gratian the Theologian 

 -  Catholic University of America Press  2016 
 - Studies in Medieval and Early Modern Canon Law .
<br/><br/><label>ISBN: </label>9780813228037 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Canon & Ecclesiastical Law<br/> Christian Church <br/>Penance--History of doctrines--Middle Ages, 600-1500.,Theology--History--Middle Ages, 600-1500.<br/>RELIGION