- Supreme Court of the United States | Tuesday, January 12, 1982 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Friday, March 2, 1990 | Cited 0 times
- Court of Appeals for the Second Circuit | Wednesday, March 30, 2011 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Tuesday, February 6, 2001 | Cited 0 times
- Court of Appeals for the D.C. Circuit | Tuesday, March 8, 2011 | Cited 0 times
- Illinois Supreme Court | Wednesday, May 18, 1988 | Cited 0 times
- Illinois Supreme Court | Thursday, October 21, 1999 | Cited 0 times
- Court of Appeals for the Federal Circuit | Tuesday, April 30, 1991 | Cited 0 times