- Supreme Court of Iowa | Wednesday, June 14, 1989 | Cited 0 times
- Supreme Court of the United States | Monday, May 25, 1959 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Tuesday, September 17, 1996 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Tuesday, May 30, 1995 | Cited 0 times