Boykin v. Alabama , 89 S. Ct. 1709 ( 1969 )
Swanson v. State , 749 S.W.2d 731 ( 1988 )
State v. Prince , 781 S.W.2d 846 ( 1989 )
State v. Neal , 810 S.W.2d 131 ( 1991 )
State v. Higgins , 729 S.W.2d 288 ( 1987 )