- Court of Appeals for the Tenth Circuit | Friday, June 14, 1996 | Cited 0 times
- United States Tax Court | Thursday, October 23, 1997 | Cited 0 times
- Supreme Court of the United States | Thursday, February 22, 1979 | Cited 0 times
- Supreme Court of the United States | Tuesday, January 9, 1979 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Wednesday, April 29, 1981 | Cited 0 times