- Illinois Supreme Court | Friday, February 22, 1980 | Cited 0 times
- Court of Appeals for the Second Circuit | Monday, January 8, 1973 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Friday, June 6, 1975 | Cited 0 times
- Illinois Supreme Court | Tuesday, January 4, 1983 | Cited 0 times