Middle-income Tax Cuts: Hearings Before the Committee on Finance, United States Senate, One Hundred Second Congress, First Session on S. 11, S. 955, S. 1009, S. 1014, S. 1411, S. 1846, S. 1865, S. 1875, S. 1924, and S. 1984, November 26, December 12 and 13, 1991, Volume 4