Tax Court December 1989 casesBurrill v. Comm'r of Internal RevenueHardy v. Comm'r of Internal RevenueEstate of Warren v. Commissioner of Internal RevenueBoyko v. Comm'r of Internal Revenue (In re Estate of Hall)Saso v. Comm'r of Internal RevenueHalliburton Co. v. Commissioner of Internal RevenueBrown v. Comm'r of Internal Revenue