TY  - BOOK
AU  - Clough, Shepard B.
AU  - Shepard B. Clough.
TI  - The rise and fall of civilization
U1  - 901 SAB 
PY  - 1957///
CY  - New York
PB  -  : Columbia University press
KW  - Civilization
KW  - Economic history
KW  - History
ER  -