County of Cook, Cermak Health Services v. Illinois State Local Labor Relations Board , 144 Ill. 2d 326 ( 1991 )
Board of Regents of Regency Universities v. Illinois Educational Labor Relations Board , 208 Ill. App. 3d 220 ( 1991 )
West Chicago School District No. 33 v. Illinois Educational Labor Relations Board , 218 Ill. App. 3d 304 ( 1991 )