Dist of Columbia July 1974 casesPublic Citizen v. F. SampsonUnited States v. MitchellU.S. v. EhrlichmanGreen v. KleindienstCanadian Pacific Limited v. United StatesUnited States of America v. General Motors Corp.United States v. EhrlichmanExxon Corp. v. Federal Energy OfficeU.S. v. International Harvester CompanyHoffa v. SaxbeEdwards v. Schlesinger