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Population characteristics for Georgia counties, 1940-1970
Smith, Blair J., (1973)
Census of the inhabitants of the Colony of Rhode Island and Providence Plantations, 1774
Bartlett, John Russell, (1969)
Negroes in Missouri--1970 : an analysis of the racial characteristics of the Missouri population using the 1970 United States census of population ... and related materials
Campbell, Rex R., (1972)