Caterpillar Tractor Co. v. Industrial Commission , 83 Ill. 2d 213 ( 1980 )
Rogers v. Industrial Commission , 83 Ill. 2d 221 ( 1980 )
Eagle Discount Supermarket v. Industrial Commission , 82 Ill. 2d 331 ( 1980 )
Furlong Construction Co. v. Industrial Commission , 71 Ill. 2d 464 ( 1978 )