1983 Fall SOI BulletinPDF Articles: Average and Marginal Tax Rates, 1981PDF Crude Oil Windfall Profit Tax, 1982PDF Domestic International Sales Corporation Returns, 1980PDF Projections of Tax Return Filings, 1984-1991PDF Safe Harbor Leasing, 1981 and 1982PDF Superfund for Environmental Taxes, 1981 and 1982PDF