- Supreme Court of the United States | Monday, June 2, 1969 | Cited 0 times
- Supreme Court of the United States | Monday, May 4, 1970 | Cited 0 times
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- Supreme Court of the United States | Wednesday, June 7, 1972 | Cited 0 times
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- Supreme Court of the United States | Friday, June 19, 1987 | Cited 0 times
- Court of Appeals of Wisconsin | Tuesday, May 16, 2000 | Cited 0 times
- Wisconsin Supreme Court | Friday, June 27, 1980 | Cited 0 times