TY  - BOOK
AU  - Barraclough,Geoffrey
TI  - The crucible of Europe: the ninth and tenth centuries in European history 
PY  - 1976///
CY  - London
PB  - Thames and Hudson
KW  - Middle Ages
KW  - History
KW  - Carolingians
KW  - Feudalism
KW  - Holy Roman Empire
N1  - Includes index; Bibliography : p. 172-174
ER  -