- Court of Appeals for the Seventh Circuit | Monday, October 18, 1971 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Tuesday, May 4, 1971 | Cited 0 times
- Court of Appeals for the D.C. Circuit | Friday, July 23, 1971 | Cited 0 times
- Supreme Court of the United States | Monday, February 20, 1961 | Cited 0 times
- Appellate Court of Illinois | Tuesday, May 4, 1965 | Cited 0 times