1984 Summer SOI Bulletin PDF Articles: Corporate Foreign Tax Credit, 1980-An Industry Focus PDF Crude Oil Windfall Profit Tax, Third Quarter, 1983 PDF Individual Income Tax Returns_Selected Characteristics from the 1983 Taxpayer Usage Study PDF Partnership Returns, 1982 PDF Private Activity Tax Exempt Bonds, 1983 PDF Sole Proprietorship Returns, 1982 PDF Taxpayers Age 65 or Over, 1977-1981 PDF