Erdmann, Carl, 1898-1945 <br/><br/>
The origin of the idea of crusade 
Carl Erdmann; translated from the German by Marshall W. Baldwin and Walter Goffart; foreword and additional notes by Marshall W. Baldwin 
 - Princeton, N.J.  Princeton University Press  1977 
 - 446p 23cm 
<br/><br/> Translation of Die Entstehung des Kreuzzugsgedankens 
<br/><br/>Bibliography: p. 373-427 
<br/><br/><label>ISBN: </label>0691052514 
<br/><br/><label>LCCN: </label>77-71980 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crusades