- Court of Appeals for the Seventh Circuit | Friday, September 23, 1983 | Cited 0 times
- Supreme Court of Iowa | Wednesday, December 18, 1985 | Cited 0 times
- Wyoming Supreme Court | Thursday, April 27, 2000 | Cited 0 times
- North Dakota Supreme Court | Thursday, February 21, 2008 | Cited 0 times
- Supreme Court of Iowa | Wednesday, March 16, 1983 | Cited 0 times
- Court of Appeals of Iowa | Tuesday, January 29, 1991 | Cited 0 times