%0 E-Resource %0 Map %E University of Chicago. Social Science Research Committee %I Social Science Research Committee, University of Chicago %D 1930 %C Chicago %G English %B University of Chicago Digital Preservation Collection. %B Social Science Research Committee maps. %T Census tracts of Chicago, 1930. Percentage of total population born in Sweden. %U http://pi.lib.uchicago.edu/1001/maps/ssrc/G4104-C6E148-1930-U5