TY  - BOOK
AU  - American Philosophical Society
AU  - Philadelphia
TI  - Population redistribution and economic growth,United States,1870-1950
U1  - 312.0973 
CY  - Philadelphia
PB  - APS
KW  - Economic growth
KW  - Population
N1  - V.1 -Methodological considerations and reference tables by E S Lee & others,1957
ER  -