Tax Court July 1971 casesHamilton v. Comm'r of Internal Revenue (In re Estate of Lumpkin)Randall v. Comm'r of Internal RevenueWinkler v. Comm'r of Internal RevenueLewisville Inv. Co. v. Comm'r of Internal RevenueDean v. Comm'r of Internal Revenue Lewisville Investment Co. v. CommissionerKamborian v. Comm'r of Internal Revenue