Gannon v. C., M., ST. P. & P. RY. CO. , 22 Ill. 2d 305 ( 1961 )
Larson v. Commonwealth Edison Co. , 33 Ill. 2d 316 ( 1965 )
Warren v. Meeker , 55 Ill. 2d 108 ( 1973 )
Davis v. Commonwealth Edison Co. , 61 Ill. 2d 494 ( 1975 )