- Court of Appeals for the Seventh Circuit | Friday, March 26, 1971 | Cited 0 times
- Supreme Court of the United States | Monday, January 20, 1969 | Cited 0 times
- Supreme Court of the United States | Monday, May 25, 1970 | Cited 0 times
- Supreme Court of the United States | Monday, December 20, 1971 | Cited 0 times
- Supreme Court of the United States | Thursday, June 22, 1972 | Cited 0 times