Tax Court March 1991 casesPhoenix Mut. Life Ins. Co. v. Comm'r of Internal RevenueFirst Chicago Corp. v. Comm'r of Internal RevenueRosenberg v. Comm'r of Internal RevenueAsh v. Comm'r of Internal RevenuePhoenix Mut. Life Ins. Co. v. Comm'r of Internal RevenueVulcan Materials Co. & Subsidiary v. Comm'r of Internal RevenueHillig v. Comm'r of Internal RevenueHillig v. Commissioner of Internal Revenue