Johnson v. State , 240 Ga. 526 ( 1978 )
Foskey v. Sapp , 237 Ga. 788 ( 1976 )
Gagnon v. Scarpelli , 93 S. Ct. 1756 ( 1973 )
Ross v. Moffitt , 94 S. Ct. 2437 ( 1974 )
Douglas v. California , 83 S. Ct. 814 ( 1963 )