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- Court of Appeals for the Eighth Circuit | Monday, August 29, 1994 | Cited 0 times
- Supreme Court of the United States | Monday, June 2, 1941 | Cited 0 times
- Supreme Court of Iowa | Wednesday, October 21, 1998 | Cited 0 times
- Supreme Court of the United States | Monday, June 23, 1980 | Cited 0 times