TY  - BOOK
AU  - Erdmann,Carl,1898-1945
TI  - The origin of the idea of crusade
SN  - 0691052514
PY  - 1977///
CY  - Princeton, N.J.
PB  - Princeton University Press
KW  - Crusades
N1  - Translation of Die Entstehung des Kreuzzugsgedankens; Bibliography: p. 373-427
ER  -