- Supreme Court of the United States | Wednesday, April 21, 1971 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Wednesday, September 8, 1971 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Tuesday, November 28, 1972 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Tuesday, January 26, 1971 | Cited 0 times