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Immigrants, and organized labor, Immigration, and low wages, and population, economic aspects of, and wages, and farming, Imports into the U.S. chart, Income, taxation, federal, taxes, Independent treasury, Index numbers, chart, Industrial revenues of government, remuneration, methods of, monopoly, problem of, trust, nature of growth, depressions, see Crises Infant industry argument, Inheritance, taxes, limitations of, Interest rate, and deferred payments, and prices, in crises, Insurance, principles of, companies, taxes on, against unemployment, Internal revenue, International exchange, equation of, International trade, Interstate Commerce Act, Invalidity pensions, Investment banking,