- United States Tax Court | Monday, January 11, 1988 | Cited 0 times
- District Court, D. North Dakota | Wednesday, November 30, 2005 | Cited 0 times
- United States Tax Court | Tuesday, November 5, 1996 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Friday, June 28, 1985 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Friday, August 4, 1989 | Cited 0 times
- District of Columbia Court of Appeals | Thursday, November 4, 2010 | Cited 0 times
- Court of Appeals for the Fourth Circuit | Thursday, December 12, 2013 | Cited 0 times
- District of Columbia Court of Appeals | Thursday, October 30, 2008 | Cited 0 times
- United States Tax Court | Tuesday, November 5, 1996 | Cited 0 times