TY  - BOOK
AU  - Langer,William L.
AU  - Langer, William L. 
TI  - An encyclopedia of world history, ancient, medieval and modern, chronologically arranged
U1  - 909 LAN 
PY  - 1968///
CY  - Boston
PB  - Houghton Mifflin Co.
KW  - Encyclopedia
KW  - World-History
N1  - "Revised with the assistance of Geoffrey Bruun."
ER  -