TY  - BOOK
AU  - Knowles,David
AU  - Obolensky,Dimitri
TI  - The Middle Ages,
AV  - BR145.2 .K56 1969
U1  - 270 
PY  - 1968///]
CY  - New York
PB  - McGraw-Hill
KW  - Church history
KW  - Middle Ages, 600-1500
KW  - Middle Ages
N1  - Issued also in French under title: Le moyen age, and in German under title: Früh- und Hochmittelalten; Bibliography: p. [473]-491
ER  -