- Supreme Court of the United States | Monday, June 10, 1968 | Cited 0 times
- Supreme Court of the United States | Monday, January 27, 1969 | Cited 0 times
- Supreme Court of the United States | Monday, June 22, 1970 | Cited 0 times
- Supreme Court of the United States | Monday, June 28, 1971 | Cited 0 times