- Supreme Court of the United States | Monday, June 11, 1979 | Cited 0 times
- Illinois Supreme Court | Friday, February 19, 1982 | Cited 0 times
- Supreme Court of the United States | Monday, May 14, 1973 | Cited 0 times
- Appellate Court of Illinois | Friday, April 10, 1987 | Cited 0 times