Court of Appeals for the Third Circuit June 1931 casesUnited States v. EngelsbergLehigh Valley R. Co. v. JonesCohen v. United StatesE.I. DU PONT DE NEMOURS CO. v. HUGHESClapp v. HeinerBadamo v. FormanScalp Level Coal Min. v. New Eng. Coal CokeBrown v. Commissioner of Internal RevenueUnited States v. Day
