1986 SOI Summer BulletinPDF Articles: Controlled Foreign Corporations, 1982—An Industry FocusPDF Crude Oil Windfall Profit Tax, Third Quarter, 1985PDF Individual Income Tax Returns for 1985—Selected Characteristics from the Taxpayer Usage StudyPDF Individual Income Tax Returns, 1983—A Demographic SnapshotPDF Partnership Returns, 1984PDF Sole Proprietorship Returns, 1984PDF