- Court of Appeals for the Eighth Circuit | Friday, April 1, 1988 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Tuesday, January 9, 1990 | Cited 0 times
- Texas Supreme Court | Wednesday, February 25, 1981 | Cited 0 times
- Supreme Court of the United States | Wednesday, June 25, 1986 | Cited 0 times