TY  - BOOK
TI  - National geographic eyewitness to the 20th century
SN  - 0792270495
AV  - D 421 N37 2004 
PY  - 2004///
CY  - Washington, D.C. : 
PB  - National Geographic Society, 
KW  - History, Modern -- 20th century -- Chronology
KW  - History, Modern -- 20th century
ER  -