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