WD Pennsylvania October 1955 casesClaussen v. Gulf Oil CorporationHartford Fire Insurance Company v. FoulkeCrook v. United StatesKeller Crescent Printing Engraving Co. v. RosenUnited States ex rel. Lancaster v. JohnstonFerenz v. HobbySupplies, Inc. v. the Aetna Cas. & Sur. Co.