- Supreme Court of the United States | Friday, September 13, 1991 | Cited 0 times
- Wisconsin Supreme Court | Wednesday, June 3, 1992 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Monday, February 5, 1996 | Cited 0 times
- Wisconsin Supreme Court | Tuesday, June 6, 1967 | Cited 0 times