- Supreme Court of Iowa | Wednesday, July 19, 1995 | Cited 0 times
- Nebraska Supreme Court | Friday, May 15, 1992 | Cited 0 times
- Court of Appeals for the Fifth Circuit | Tuesday, October 13, 1992 | Cited 0 times
- Court of Appeals of Minnesota | Tuesday, September 15, 1987 | Cited 0 times
- Supreme Court of Iowa | Wednesday, September 18, 1996 | Cited 0 times