- United States Tax Court | Wednesday, May 3, 2006 | Cited 0 times
- Court of Appeals for the First Circuit | Monday, November 20, 2006 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Friday, April 8, 1994 | Cited 0 times
- United States Tax Court | Tuesday, April 12, 1988 | Cited 0 times
- United States Tax Court | Monday, March 4, 2013 | Cited 0 times
- United States Tax Court | Monday, May 4, 1992 | Cited 0 times