- Supreme Court of the United States | Monday, January 23, 1995 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Wednesday, May 21, 1975 | Cited 0 times
- Nebraska Supreme Court | Friday, March 26, 1993 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Friday, July 31, 1987 | Cited 0 times