This opinion cites 11 cases:

Williams Pipe Line Company, a Delaware Corporation v. Empire Gas Corporation, a Missouri Corporation ( 1996 )


Western Pennsylvania Restaurant Ass'n v. Pittsburgh ( 1951 )


City of Pittsburgh v. Allegheny Valley Bank ( 1980 )


Council of Middletown Township v. Benham ( 1987 )


Bussone v. Blatchford ( 1949 )


E.L.G. Enterprises Corp. v. Gulf Oil Co. ( 1981 )


Ostrov v. I.F.T., Inc. ( 1991 )


Elkin v. Bell Tel. Co. of Pennsylvania ( 1980 )


United States v. Western Pacific Railroad ( 1956 )


Natural Milk Producers Ass'n v. City & County of San Francisco ( 1942 )


WESTON v. Reading Co. ( 1971 )