- Supreme Court of Iowa | Wednesday, October 21, 1981 | Cited 0 times
- Supreme Court of Iowa | Wednesday, April 16, 1986 | Cited 0 times
- Court of Appeals of Iowa | Thursday, November 29, 1990 | Cited 0 times
- Court of Appeals of Iowa | Wednesday, June 16, 2010 | Cited 0 times
- Supreme Court of Iowa | Wednesday, February 17, 1988 | Cited 0 times