- Court of Appeals for the Eighth Circuit | Thursday, July 23, 1987 | Cited 0 times
- District Court, S.D. Iowa | Tuesday, October 30, 2001 | Cited 0 times
- Supreme Court of Iowa | Wednesday, September 18, 1991 | Cited 0 times
- Supreme Court of Iowa | Friday, November 18, 2011 | Cited 0 times