STATE FARM MUTUAL AUTOMOBILE INS. v. Staff , 26 Ill. App. 3d 217 ( 1975 )
Wright v. Industrial Commission , 62 Ill. 2d 65 ( 1975 )
Newgard v. Industrial Commission , 58 Ill. 2d 164 ( 1974 )
Sohio Pipe Line Co. v. Industrial Commission , 63 Ill. 2d 147 ( 1976 )