- Illinois Supreme Court | Friday, April 18, 1980 | Cited 0 times
- Court of Appeals of Washington | Monday, October 20, 1986 | Cited 0 times
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- Illinois Supreme Court | Friday, November 30, 1990 | Cited 0 times
- Illinois Supreme Court | Friday, February 22, 1980 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Tuesday, February 16, 1999 | Cited 0 times
- Illinois Supreme Court | Wednesday, May 23, 1990 | Cited 0 times
- Supreme Court of the United States | Monday, June 25, 1984 | Cited 0 times