WD Pennsylvania May 1972 casesHarman Elec. Co. v. First Real Estate Inv. Co.Hodgson v. District No. 5, United Mine Workers of AmericaPace v. General Elec. Co.Armour and Company v. ScottMonborne v. United Mine Workers of AmericaHodgson v. Local 610, United Elec., Radio and Mach. Workers of America (UE)United States v. IsenbergYazvac v. Baltimore and Ohio Railroad Company