TY  - BOOK
AU  - Williams,Schafer
TI  - The Gregorian epoch: reformation, revolution, reaction?
T2  - Problems in European civilization
AV  - BX1178 .W5
PY  - 1964///, 1967]
CY  - Boston
PB  - Heath
KW  - Gregory
KW  - Church history
KW  - 11th century
N1  - Bibliography: p. 109-110
ER  -