- United States Tax Court | Thursday, December 29, 2005 | Cited 0 times
- United States Tax Court | Tuesday, October 16, 2007 | Cited 0 times
- Court of Appeals for the First Circuit | Monday, November 20, 2006 | Cited 0 times
- Supreme Court of the United States | Monday, February 17, 1941 | Cited 0 times
- Supreme Court of the United States | Wednesday, June 25, 1986 | Cited 0 times
- United States Tax Court | Friday, March 17, 2000 | Cited 0 times
- Court of Appeals for the D.C. Circuit | Friday, August 17, 2001 | Cited 0 times
- Court of Appeals for the Ninth Circuit | Wednesday, June 3, 2009 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Friday, April 8, 1994 | Cited 0 times
- Court of Appeals for the Ninth Circuit | Thursday, January 21, 2010 | Cited 0 times
- Supreme Court of the United States | Monday, June 23, 1947 | Cited 0 times