- Supreme Court of Iowa | Wednesday, April 20, 1983 | Cited 0 times
- Supreme Court of Iowa | Wednesday, March 14, 1984 | Cited 0 times
- Court of Appeals of Iowa | Tuesday, February 25, 1992 | Cited 0 times
- Supreme Court of Iowa | Wednesday, April 18, 1990 | Cited 0 times
- Supreme Court of the United States | Wednesday, June 25, 1986 | Cited 0 times