Coker v. Georgia , 97 S. Ct. 2861 ( 1977 )
Weems v. United States , 30 S. Ct. 544 ( 1910 )
Hutto v. Davis , 102 S. Ct. 703 ( 1982 )
Robinson v. California , 82 S. Ct. 1417 ( 1962 )
Enmund v. Florida , 102 S. Ct. 3368 ( 1982 )
Harmelin v. Michigan , 111 S. Ct. 2680 ( 1991 )