TY  - BOOK
AU  -  Barraclough, Geoffrey,
TI  -  The crucible of Europe: the ninth and tenth centuries in Europea n history 
SN  -  0500250448 :
U1  -  940.14 
PY  - 1976///
CY  -  London
PB  -  Thames and Hudson
KW  -  Middle ages
KW  -  Carolingians
KW  -  Feudalism
KW  -  Holy Roman Empire
N1  -  Includes index;  Includes bibliographical references ( p. 172-174.)
ER  -