- Supreme Court of Colorado | Monday, January 28, 1991 | Cited 0 times
- Supreme Court of Colorado | Monday, February 22, 1993 | Cited 0 times
- Supreme Court of the United States | Friday, April 24, 1981 | Cited 0 times
- Colorado Court of Appeals | Wednesday, December 24, 1986 | Cited 0 times
- Supreme Court of the United States | Monday, June 2, 1969 | Cited 0 times