Godfrey, John. <br/><br/>
1204, the unholy Crusade / 
John Godfrey. 
 - Oxford :  Oxford University Press,  1980. 
 - xi,184p,16p of plates. 
<br/><br/><label>ISBN: </label>0192158341 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crusades--Fourth, 1202-1204.