Patterson v. State , 228 Ga. 389 ( 1971 )
Harper v. State , 146 Ga. App. 337 ( 1978 )
Reed v. State , 151 Ga. App. 226 ( 1979 )
Morrissey v. Brewer , 92 S. Ct. 2593 ( 1972 )
Gagnon v. Scarpelli , 93 S. Ct. 1756 ( 1973 )