TY  - RPRT
A1  - Kim, S.
T1  - Immigration, Industrial Revolution and urban growth in the United States, 1820-1920: Factor endowments, technology, and geography
Y1  - 2007
DO  - 10.3386/w12900
PB  - National Bureau of Economic Research
CY  - Cambridge
T3  - NBER working paper 12900

ER  -