- Illinois Supreme Court | Wednesday, September 27, 1989 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Thursday, July 10, 2008 | Cited 0 times
- Court of Appeals for the D.C. Circuit | Tuesday, January 25, 1972 | Cited 0 times
- Supreme Court of the United States | Monday, May 14, 1973 | Cited 0 times