Subjects: CITIES & towns; POPULATION forecasting; DISEASES
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Subjects: ECONOMIC conditions in Europe, 1945-; LIFE expectancy; PRODUCTIVE life spanEUROPE
Subjects: POPULATION policy; OVERPOPULATION; MALTHUSIANISM
Subjects: POPULATION; AMERICANS; TOCQUEVILLE, Alexis de, 1805-1859UNITED StatesUNITED StatesUNITED StatesReport Available