Pegg, Mark Gregory. <br/><br/>
A Most holy war :  the Albigensian crusade and the battle for Christendom / 
Mark Gregory Pegg. 
 - 1st  ed. 
 - Oxford :  O. U. P.,  2008. 
 - xxii, 253  p. 
<br/><br/><label>ISBN: </label>0195171310 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Albigenses--History.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>France--Church history--987-1515.