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. 
 - xxxvi, 446 p. ;  23 cm. 
<br/><br/> Translation of Die Entstehung des Kreuzzugsgedankens.  Includes index. 
<br/><br/>Bibliography: p. 373-427. 
<br/><br/><label>ISBN: </label>0691052514 :  $28.50 
<br/><br/><label>LCCN: </label>77071980 //r983 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crusades.
<br/><br/><label>LC Class. No.: </label>D 157  / .E713