- Supreme Court of the United States | Wednesday, February 21, 1990 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Thursday, July 31, 1997 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Wednesday, April 30, 1997 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Wednesday, September 16, 1987 | Cited 0 times