TY  - BOOK
AU  - Allen, Frederick Lewis
TI  - The Big Change America Transfor Itself 1900-1950
U1  - 973.91 
PY  - 1952///
CY  - New York
PB  - Harper and Brothers Publishers
KW  -  History
KW  - History of North America 
KW  - United States
KW  -  1901
KW  - 1901-1953
ER  -