North Carolina v. Alford , 91 S. Ct. 160 ( 1970 )
McMann v. Richardson , 90 S. Ct. 1441 ( 1970 )
Tollett v. Henderson , 93 S. Ct. 1602 ( 1973 )
Hill v. Lockhart , 106 S. Ct. 366 ( 1985 )