- Supreme Court of Colorado | Monday, May 17, 1971 | Cited 0 times
- Supreme Court of Colorado | Monday, September 25, 1978 | Cited 0 times
- Nebraska Supreme Court | Friday, March 8, 1985 | Cited 0 times
- Supreme Court of the United States | Tuesday, December 9, 1975 | Cited 0 times
- Supreme Court of the United States | Monday, June 13, 1966 | Cited 0 times