People v. Lawson , 67 Ill. 2d 449 ( 1977 )
People v. Jones , 66 Ill. 2d 152 ( 1977 )
People v. Graham , 48 Ill. App. 3d 689 ( 1977 )
Crist v. Bretz , 98 S. Ct. 2156 ( 1978 )