TY  - BOOK
AU  - Charles William Chadwick Oman
AU  - John Herbert Beeler
TI  - The Art of War in The Middle Ages: A. D. 378-1515
U1  - 355.0902 
PY  - 1960///
CY  - USA
PB  - Great Seal Books
KW  - English
KW  - Military art and science
KW  - General
KW  - Military history, Medieval
ER  -