- United States Tax Court | Thursday, February 16, 1989 | Cited 0 times
- Supreme Court of the United States | Monday, November 6, 1933 | Cited 0 times
- Court of Appeals for the Tenth Circuit | Thursday, April 10, 2008 | Cited 0 times
- Court of Appeals for the D.C. Circuit | Tuesday, July 3, 1990 | Cited 0 times
- United States Tax Court | Tuesday, November 27, 1951 | Cited 0 times