- Supreme Court of the United States | Monday, May 4, 1970 | Cited 0 times
- Supreme Court of the United States | Wednesday, June 25, 1986 | Cited 0 times
- Colorado Court of Appeals | Thursday, March 22, 1990 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Friday, February 27, 1976 | Cited 0 times