- Supreme Court of the United States | Monday, June 3, 1968 | Cited 0 times
- Illinois Supreme Court | Thursday, April 18, 1996 | Cited 0 times
- Supreme Court of North Carolina | Wednesday, December 11, 1968 | Cited 0 times
- Appellate Court of Illinois | Wednesday, November 27, 1968 | Cited 0 times
- Massachusetts Supreme Judicial Court | Monday, May 6, 1968 | Cited 0 times