TY  - BOOK
AU  - Erdmann Carl
TI  - Origin of the idea of crusade, tr from the German by Marshall W Baldwin and Walter Goffart
T2  - Forschungen zur kirchen und geisterss; 6
U1  - W:(Q61), L7 
PY  - 1977///
CY  - Princeton
PB  - Princeton Univ Press     
KW  - POLITICAL SCIENCE
ER  -