- United States Tax Court | Tuesday, November 2, 1999 | Cited 0 times
- United States Tax Court | Wednesday, May 3, 2000 | Cited 0 times
- Court of Appeals for the Fifth Circuit | Thursday, October 17, 1996 | Cited 0 times
- Court of Appeals for the Federal Circuit | Monday, September 27, 2004 | Cited 0 times
- Supreme Court of the United States | Wednesday, February 22, 1989 | Cited 0 times