U.S. Supreme Court May 1938 casesLang v. CommissionerCrown Cork Co. v. Gutmann Co.Taft v. CommissionerUnited States v. BekinsMahoney v. Triner Corp.Denver Stock Yard Co. v. U.S.Lowe Bros. Co. v. U.S.Ruhlin v. N.Y. Life Ins. Co.Labor Board v. Mackay Co.