- Court of Appeals for the Eighth Circuit | Friday, December 3, 1993 | Cited 0 times
- Nebraska Supreme Court | Friday, April 10, 1992 | Cited 0 times
- Supreme Court of the United States | Monday, June 2, 1969 | Cited 0 times
- Supreme Court of the United States | Monday, June 22, 1992 | Cited 0 times