- Supreme Court of Minnesota | Friday, December 1, 1989 | Cited 0 times
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- Court of Appeals of Minnesota | Tuesday, May 24, 1994 | Cited 0 times
- Supreme Court of the United States | Tuesday, April 24, 1979 | Cited 0 times
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- Supreme Court of the United States | Monday, November 22, 1971 | Cited 0 times
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- Supreme Court of the United States | Monday, June 27, 1983 | Cited 0 times