- Court of Appeals for the Eighth Circuit | Tuesday, November 28, 1989 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Tuesday, May 5, 1987 | Cited 0 times
- Nebraska Supreme Court | Friday, September 15, 1989 | Cited 0 times
- Supreme Court of the United States | Thursday, June 23, 1977 | Cited 0 times
- Supreme Court of the United States | Monday, March 8, 1982 | Cited 0 times