The PEOPLE v. Davis , 46 Ill. 2d 554 ( 1970 )
The People v. Nilsson , 44 Ill. 2d 244 ( 1970 )
People v. Edwards , 55 Ill. 2d 25 ( 1973 )
People v. Pittman , 55 Ill. 2d 39 ( 1973 )