- Court of Appeals for the Seventh Circuit | Friday, October 15, 1993 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Tuesday, April 3, 1990 | Cited 0 times
- Supreme Court of the United States | Monday, November 18, 1985 | Cited 0 times
- Supreme Court of the United States | Monday, June 25, 1984 | Cited 0 times
- District Court, N.D. Iowa | Thursday, August 12, 1993 | Cited 0 times