- Supreme Court of Iowa | Wednesday, September 17, 1980 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Monday, August 25, 2003 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Thursday, July 9, 1987 | Cited 0 times
- Court of Appeals for the Federal Circuit | Wednesday, April 16, 2003 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Thursday, November 14, 1996 | Cited 0 times
- Supreme Court of the United States | Monday, December 3, 1945 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Thursday, February 11, 1988 | Cited 0 times