Campbell v. Cook County Sheriff's Merit Board , 215 Ill. App. 3d 868 ( 1991 )
Interstate Material Corporation, an Illinois Corporation, on Its Own Behalf and on Behalf of All Others Similarly Situated v. City of Chicago , 847 F.2d 1285 ( 1988 )
Baja Contractors, Inc. v. The City of Chicago , 830 F.2d 667 ( 1987 )