1983 Summer SOI BulletinPDF Articles: Crude Oil Windfall Profit Tax, Third Quarter, 1982PDF Financial Characteristics of the Lumbar and Paper Industries, 1980PDF Individual Income Tax Returns Selected Characteristics, 1982 Taxpayer Usage StudyPDF Informal Suppliers in the Underground EconomyPDF Nonresident Alien Income and Tax Withheld, 1981PDF Trends in Personal Wealth, 1976-1981PDF Unincorporated Business Activity, 1981PDF