Tax Court May 1970 casesGillespie v. Comm'r of Internal Revenue Estate of Porter v. Commissioner of Internal RevenueAnderson v. Comm'r of Internal Revenue Vannaman v. Comm'r of Internal RevenueLanderman v. Comm'r of Internal Revenue McMenamy v. Comm'r of Internal RevenueHarper v. Comm'r of Internal Revenue H. F. Campbell Co. v. Commr. of Internal Revenue