Reynolds v. Sims , 84 S. Ct. 1362 ( 1964 )
Avery v. Midland County , 88 S. Ct. 1114 ( 1968 )
Kirkpatrick v. Preisler , 89 S. Ct. 1225 ( 1969 )
Whitcomb v. Chavis , 91 S. Ct. 1858 ( 1971 )