TY  - BOOK
ED  - National Geographic Book Service.
TI  - The Middle Ages
T2  - The Story of man
SN  - 0870440756
AV  - CB 69 .S86 vol. 3
PY  - 1977///
CY  - [Washington]
PB  - National Geographic Society
KW  - Civilization, Medieval
N1  - Published in 1969 under title: The Age of chivalry; Includes bibliographical references (p. [377]) and index
ER  -