- United States Tax Court | Monday, November 30, 1992 | Cited 0 times
- District Court, D. Colorado | Friday, October 22, 1993 | Cited 0 times
- Court of Appeals for the Fifth Circuit | Monday, February 20, 1995 | Cited 0 times
- Court of Appeals for the Tenth Circuit | Tuesday, October 19, 1999 | Cited 0 times
- Supreme Court of Oklahoma | Tuesday, October 19, 1993 | Cited 0 times