- Supreme Court of the United States | Monday, March 4, 2002 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Friday, April 8, 1994 | Cited 0 times
- United States Tax Court | Monday, May 4, 1992 | Cited 0 times
- United States Tax Court | Friday, June 30, 2000 | Cited 0 times