- Court of Appeals for the Seventh Circuit | Wednesday, February 13, 1980 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Friday, December 12, 1980 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Wednesday, January 7, 1981 | Cited 0 times
- Supreme Court of the United States | Monday, March 18, 1968 | Cited 0 times