TY  - BOOK
AU  - Childe,Gordon
TI  - What happened in history
U1  - 901 C536W 1978 
PY  - 1978///
CY  - England
PB  - Penguin Books
KW  - Prehistoric peoples
KW  - Civilization, Ancient
KW  - History, Ancient
N1  - Include index
ER  -