First Crusade and the idea of crusading  print 

 - pau  University of Pennsylvania Press  2009 
 - 227 p. : maps    22 cm.  227 p. : maps ; 22 cm. 
 - The Middle Ages series .
<br/><br/> Jonathan Riley-Smith. 
<br/><br/><label>ISBN: </label>9780812220766 (pbk.)