- Supreme Court of the United States | Monday, June 10, 1968 | Cited 0 times
- Massachusetts Supreme Judicial Court | Wednesday, June 4, 1975 | Cited 0 times
- Colorado Court of Appeals | Thursday, April 26, 1979 | Cited 0 times
- Colorado Court of Appeals | Thursday, July 5, 1979 | Cited 0 times
- Supreme Court of Colorado | Monday, July 23, 1979 | Cited 0 times