- Court of Appeals for the Eighth Circuit | Thursday, October 11, 2001 | Cited 0 times
- Supreme Court of Iowa | Wednesday, August 29, 1979 | Cited 0 times
- Court of Appeals of Iowa | Friday, February 25, 1994 | Cited 0 times
- Supreme Court of the United States | Thursday, June 24, 1982 | Cited 0 times
- Supreme Court of the United States | Wednesday, March 27, 1985 | Cited 0 times
- Supreme Court of the United States | Monday, May 15, 1989 | Cited 0 times
- Supreme Court of the United States | Monday, April 30, 2007 | Cited 0 times
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