TY  - BOOK
AU  - Langer,William L.,ed
TI  - An encyclopedia of world history: ancient, medieval, and modern, chronologically arranged 
SN  - 0395135923
U1  - 909 
PY  - 1972///
CY  - Boston
PB  - Houghton Mifflin
KW  - History
N1  - Includes indexes.
ER  -