- Nebraska Supreme Court | Friday, March 9, 1984 | Cited 0 times
- Supreme Court of the United States | Monday, March 22, 1982 | Cited 0 times
- Supreme Court of the United States | Thursday, June 27, 1991 | Cited 0 times
- Supreme Court of the United States | Tuesday, June 28, 1983 | Cited 0 times