1. The Mathematical Theory of Epidemics;Bailey,1957
2. Measuring Business Cycles;Burns,1946
3. Municipal Sanitation in the United States;Chapin,1900
4. New Estimates of Fertility and Population in the United States;Coale,1963
5. Public Health Measures and Mortality in U.S. Cities in the Late Nineteenth Century;Condran;Human Ecology,1978