Tax Court April 1991 casesO'Malley v. Comm'r of Internal RevenueGrossman v. Comm'r of Internal Revenue (In re Estate of Jalkut)Computervision Corp. v. Comm'r of Internal RevenuePhilip Morris Inc. & Consol. Subsidiaries v. Comm'r of Internal RevenueJacobson v. Comm'r of Internal Revenue