- Supreme Court of Iowa | Wednesday, April 13, 1988 | Cited 0 times
- California Supreme Court | Thursday, December 21, 1972 | Cited 0 times
- Nevada Supreme Court | Wednesday, February 16, 1983 | Cited 0 times
- Supreme Court of Iowa | Wednesday, July 21, 1982 | Cited 0 times
- Supreme Court of Iowa | Wednesday, October 15, 1986 | Cited 0 times
- Illinois Supreme Court | Wednesday, May 17, 1989 | Cited 0 times
- Colorado Court of Appeals | Thursday, September 10, 1981 | Cited 0 times
- Supreme Court of the United States | Monday, March 5, 1979 | Cited 0 times