- United States Tax Court | Wednesday, December 16, 1992 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Thursday, October 17, 1991 | Cited 0 times
- United States Tax Court | Monday, March 4, 2013 | Cited 0 times
- United States Tax Court | Thursday, December 1, 2005 | Cited 0 times
- United States Tax Court | Tuesday, January 3, 2017 | Cited 0 times