- Supreme Court of the United States | Tuesday, April 15, 1980 | Cited 0 times
- Supreme Court of the United States | Friday, June 26, 1987 | Cited 0 times
- District Court, D. Colorado | Thursday, September 25, 1997 | Cited 0 times
- Colorado Court of Appeals | Monday, September 13, 1999 | Cited 0 times
- Court of Appeals for the Tenth Circuit | Wednesday, May 26, 1999 | Cited 0 times