- Supreme Court of the United States | Friday, June 12, 1992 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Wednesday, March 22, 2006 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Friday, April 1, 2011 | Cited 0 times
- Illinois Supreme Court | Wednesday, November 23, 1994 | Cited 0 times