- Supreme Court of the United States | Wednesday, December 6, 1972 | Cited 0 times
- Supreme Court of Colorado | Monday, April 6, 1970 | Cited 0 times
- Supreme Court of Colorado | Monday, March 10, 1969 | Cited 0 times
- Court of Appeals for the Second Circuit | Tuesday, July 30, 1974 | Cited 0 times
- Supreme Court of Colorado | Monday, March 15, 1976 | Cited 0 times