- Supreme Court of the United States | Monday, May 27, 1968 | Cited 0 times
- Wisconsin Supreme Court | Thursday, January 6, 1972 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Monday, February 1, 1971 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Wednesday, May 10, 1972 | Cited 0 times
- Supreme Court of the United States | Monday, December 20, 1971 | Cited 0 times