- Supreme Court of the United States | Monday, December 14, 1981 | Cited 0 times
- Supreme Court of the United States | Tuesday, June 6, 1978 | Cited 0 times
- Court of Appeals for the Tenth Circuit | Thursday, August 31, 1978 | Cited 0 times
- Supreme Court of the United States | Tuesday, February 22, 1972 | Cited 0 times
- District Court, D. Colorado | Tuesday, September 8, 1987 | Cited 0 times