- Supreme Court of the United States | Monday, November 13, 1967 | Cited 0 times
- Supreme Court of Minnesota | Friday, October 20, 1944 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Tuesday, September 29, 1970 | Cited 0 times
- Wisconsin Supreme Court | Friday, June 28, 1968 | Cited 0 times
- Supreme Court of the United States | Monday, March 1, 1965 | Cited 0 times