TY  - BOOK
AU  - Erdmann,Carl
AU  - Baldwin,Marshall W.
AU  - Goffart,Walter
TI  - The origin of the idea of crusade
SN  - 0691052514 :
U1  - 940.18 
PY  - 1977///
CY  - Princeton, N.J
PB  - Princeton University Press
KW  - Crusades
KW  - Europe
KW  - History
N1  - Translation of: Entstehung des Kreuzzugsgedankens; Includes bibliographical references and index
ER  -