- Supreme Court of Iowa | Wednesday, March 18, 1987 | Cited 0 times
- Supreme Court of Iowa | Wednesday, December 19, 1990 | Cited 0 times
- Supreme Court of Iowa | Wednesday, October 21, 1987 | Cited 0 times
- California Court of Appeal | Friday, November 20, 1987 | Cited 0 times
- Supreme Court of Iowa | Wednesday, July 17, 1991 | Cited 0 times