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, New Jersey :  Princeton University Press,  (c)1977. 
 - xxxvi, 446 pages ;  23 cm. 
<br/><br/> Translation of Die Entstehung des Kreuzzugsgedankens. 
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<br/><br/><label>LCCN: </label>77071980 //r83 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crusades.
<br/><br/><label>LC Class. No.: </label>D157  / .O754 1977