Rolker <br/><br/>
Canon law & the letters of ivo of chartres/ 
Rolker 
 - 1st ed. 
 -  Cambridge,  2010. 
 - 400 pages 
<br/><br/><label>ISBN: </label>9780521766821 
<br/><br/><label>Subjects--Topical Terms: </label><br/>European history
<br/><br/><label>Dewey Class. No.: </label>262.135  / ROL