- Supreme Court of Iowa | Wednesday, July 21, 1993 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Wednesday, September 1, 1999 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Wednesday, June 30, 1999 | Cited 0 times
- Supreme Court of Iowa | Wednesday, May 15, 1991 | Cited 0 times
- Supreme Court of the United States | Monday, June 17, 1996 | Cited 0 times
- Supreme Court of the United States | Tuesday, March 28, 2000 | Cited 0 times
- Supreme Court of the United States | Thursday, June 28, 2001 | Cited 0 times
- Supreme Court of the United States | Wednesday, June 24, 1992 | Cited 0 times