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2. Kjelsberg, M., and Stamler, J.: Epidemiologic Studies on Cardiovascular-Renal Diseases in Chicago and Illinois II. Analysis of Mortality by Age-Race-Sex-Place of Residence, Including Urban-Rural Comparison, J. Chron. Dis. In press.
3. Nativity and Parentage;U. S. Bureau of the Census, U.S. Census of Population,1954
4. Nonwhite Population by Race;U. S. Bureau of the Census, U.S. Census of Population,1953
5. Annual Epidemiological and Vital Statistics, 1950. Part I, Vital Statistics and Causes of Death,1953