1996 SOI Summer Bulletin PDF Articles: Individual Income Tax Rates and Tax Shares, 1993 PDF Corporation Income Tax Returns, 1993 PDF Nonfiler Profiles, Fiscal Year 1993: A Focus on Repeaters PDF Private Foundations and Charitable Trusts: A Decade of Charitable Giving and Growth, with Highlights of 1991 and 1992 PDF Charities and Other Tax-Exempt Organizations, 1992 PDF