1986 SOI Winter Bulletin PDF Articles: Individual Income Tax Returns, Preliminary Data, 1984 PDF Corporation Income Tax Returns, Preliminary Data, 1983 PDF Nonprofit Charitable Organizations, 1982 PDF Individual Income Tax Rates, 1983 PDF Private Activity Tax-Exempt Bonds, 1984 PDF Sales of Capital Assets, 1981 and 1982 PDF Crude Oil Windfall Profit Tax, First Quarter, 1985 PDF