- Supreme Court of Minnesota | Friday, November 2, 1979 | Cited 0 times
- Illinois Supreme Court | Friday, June 20, 1980 | Cited 0 times
- Appellate Court of Illinois | Tuesday, March 17, 1987 | Cited 0 times
- Illinois Supreme Court | Friday, February 20, 1981 | Cited 0 times
- Supreme Court of the United States | Tuesday, June 5, 1979 | Cited 0 times