- Court of Appeals for the Tenth Circuit | Friday, September 27, 1996 | Cited 0 times
- Court of Appeals for the Tenth Circuit | Monday, April 3, 1995 | Cited 0 times
- Supreme Court of the United States | Monday, February 10, 1947 | Cited 0 times
- United States Tax Court | Wednesday, May 23, 1990 | Cited 0 times