- Colorado Court of Appeals | Thursday, April 29, 1999 | Cited 0 times
- Colorado Court of Appeals | Thursday, May 25, 2000 | Cited 0 times
- United States Tax Court | Tuesday, April 18, 1995 | Cited 0 times
- Colorado Court of Appeals | Thursday, February 23, 2006 | Cited 0 times
- Colorado Court of Appeals | Thursday, September 7, 1989 | Cited 0 times