Tax Court July 1972 cases Mut. Benefit Life Ins. Co. v. Comm'r of Internal RevenueMadison Square Garden Corp. v. Comm'r of Internal RevenueLan Jen Chu v. Comm'r of Internal RevenueIsaacson v. Commissioner of Internal RevenueGrabowski v. Commissioner of Internal RevenueEstes v. Comm'r of Internal Revenue (In re Estate of Miller) Rich Hill Ins. Agency, Inc. v. Comm'r of Internal RevenueEngelhardt v. Comm'r of Internal Revenue Eppler v. Comm'r of Internal RevenueYoung v. Commissioner of Internal RevenueSec. Mortg. Co. v. Comm'r of Internal RevenueGrabowski v. Comm'r of Internal Revenue Isaacson v. Comm'r of Internal RevenueVaccaro v. Comm'r of Internal Revenue Young v. Comm'r of Internal Revenue