Henderson v. Morgan , 96 S. Ct. 2253 ( 1976 )
McCarthy v. United States , 89 S. Ct. 1166 ( 1969 )
Boykin v. Alabama , 89 S. Ct. 1709 ( 1969 )
North Carolina v. Alford , 91 S. Ct. 160 ( 1970 )
Marshall v. Lonberger , 103 S. Ct. 843 ( 1983 )