- Supreme Court of the United States | Wednesday, March 21, 1990 | Cited 0 times
- Supreme Court of the United States | Monday, March 8, 1993 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Wednesday, August 10, 1983 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Wednesday, August 30, 1995 | Cited 0 times
- District Court, S.D. Iowa | Tuesday, September 7, 1982 | Cited 0 times