- Supreme Court of the United States | Monday, June 19, 1989 | Cited 0 times
- Supreme Court of the United States | Friday, June 26, 1987 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Thursday, November 9, 1989 | Cited 0 times
- Supreme Court of the United States | Wednesday, July 2, 1986 | Cited 0 times