This opinion cites 20 cases:

McConnell v. Commonwealth, Department of Revenue ( 1983 )


Ernest Renda Contracting Co. v. Commonwealth ( 1987 )


American Ass'n of Cereal Chemists v. County of Dakota ( 1990 )


CRH Catering Co., Inc. v. Com. of Pa. ( 1988 )


Massachusetts Medical Society v. Assessors of Boston ( 1960 )


Covenco, Inc. v. Commonwealth ( 1990 )


Dept. Taxation v. Prog. Com. Club ( 1975 )


Minnesota State Bar Ass'n v. Commissioner of Taxation ( 1976 )


South Dakota State Medical Association v. Jones ( 1966 )


Hill School Tax Exemption Case ( 1952 )


Textile Research Institute v. Township of Princeton ( 1961 )


Engineers & Scientists of Milwaukee, Inc. v. City of Milwaukee ( 1968 )


Butler Fair & Agricultural Ass'n v. Butler School District ( 1957 )


Commonwealth v. Association of Iron & Steel Engineers ( 1966 )


Association of the Bar of New York v. Lewisohn ( 1974 )


Nebraska State Bar Foundation v. Lancaster County Board of Equalization ( 1991 )


BEASLEY IND., INC. v. Com. of Pa. ( 1988 )


BIOSCIENCES INF. SERV. v. Com. of Pa. ( 1988 )


International College of Surgeons v. Brenza ( 1956 )


Keranko v. Washington Youth Baseball, Inc. ( 1990 )