- United States Tax Court | Friday, November 17, 2000 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Wednesday, January 7, 1987 | Cited 0 times
- Court of Appeals for the Ninth Circuit | Friday, August 27, 1993 | Cited 0 times
- Court of Appeals for the Tenth Circuit | Friday, June 18, 1971 | Cited 0 times
- Court of Appeals for the Tenth Circuit | Thursday, April 10, 2008 | Cited 0 times
- Supreme Court of the United States | Monday, November 6, 1933 | Cited 0 times
- Court of Appeals for the Fourth Circuit | Thursday, January 11, 1990 | Cited 0 times
- United States Tax Court | Tuesday, June 18, 1974 | Cited 0 times