This opinion cites 18 cases:

Laurel Pipe Line Co. v. Commonwealth ( 1994 )


Welded Tube Co. of America v. Commonwealth ( 1986 )


Western Natural Gas Co. v. McDonald ( 1968 )


Caterpillar Tractor Co. v. Lenckos ( 1981 )


Celotex Corp. v. Pollution Control Board ( 1983 )


District of Columbia v. Pierce Associates, Inc. ( 1983 )


Phillips Petroleum Co. v. Iowa Department of Revenue & Finance ( 1994 )


Citizens Utilities Co. v. Department of Revenue ( 1986 )


American Federation of State, County & Municipal Employees, Council 31 v. County of Cook ( 1991 )


Advincula v. United Blood Services ( 1996 )


Canteen Corp. v. Department of Revenue ( 1988 )


Commonwealth Edison Co. v. Property Tax Appeal Board ( 1984 )


Jenisek v. Riggs ( 1942 )


Moore v. City of East Cleveland ( 1977 )


GRIFFITTS CONSTRUCTION CO., INC. v. Dept. of Labor ( 1979 )


DiFoggio v. Retirement Board of the County Employees Annuity & Benefit Fund of Cook County ( 1993 )


General Care Corp. v. Olsen ( 1986 )


Ross-Araco v. Com., Bd. of Fin. & Rev. ( 1996 )