Chmelik v. Vana , 31 Ill. 2d 272 ( 1964 )
Yellow Cab Co. v. Industrial Commission , 42 Ill. 2d 226 ( 1969 )
Brewster Motor Co. v. Industrial Commission , 36 Ill. 2d 443 ( 1967 )
WKID BROADCASTING v. Industrial Com. , 42 Ill. 2d 236 ( 1969 )