- Court of Appeals for the Eighth Circuit | Wednesday, December 24, 1986 | Cited 0 times
- Supreme Court of Iowa | Wednesday, June 27, 1979 | Cited 0 times
- Supreme Court of Iowa | Wednesday, April 26, 1995 | Cited 0 times
- Supreme Court of the United States | Thursday, June 29, 1972 | Cited 0 times