- United States Tax Court | Friday, March 22, 2002 | Cited 0 times
- Supreme Court of the United States | Monday, June 8, 1998 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Friday, April 8, 1994 | Cited 0 times
- Supreme Court of the United States | Monday, May 23, 1994 | Cited 0 times
- United States Tax Court | Thursday, February 1, 2001 | Cited 0 times