- Nebraska Supreme Court | Friday, May 16, 1997 | Cited 0 times
- Supreme Court of the United States | Tuesday, December 8, 1987 | Cited 0 times
- Nebraska Supreme Court | Friday, October 19, 2001 | Cited 0 times
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- Court of Appeals for the Seventh Circuit | Friday, February 4, 2011 | Cited 0 times
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