- United States Tax Court | Thursday, January 21, 2010 | Cited 0 times
- Court of Appeals for the Ninth Circuit | Thursday, April 9, 1987 | Cited 0 times
- Court of Appeals for the Tenth Circuit | Friday, June 18, 1971 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Monday, April 6, 1998 | Cited 0 times
- Supreme Court of the United States | Monday, November 6, 1933 | Cited 0 times
- United States Tax Court | Thursday, April 9, 1970 | Cited 0 times
- Court of Appeals for the Fourth Circuit | Monday, September 21, 1987 | Cited 0 times