- Supreme Court of the United States | Thursday, June 29, 1972 | Cited 0 times
- Supreme Court of the United States | Tuesday, March 19, 1985 | Cited 0 times
- Court of Appeals for the First Circuit | Wednesday, March 11, 1987 | Cited 0 times
- Supreme Court of the United States | Thursday, June 29, 1972 | Cited 0 times
- Supreme Court of the United States | Monday, April 16, 1979 | Cited 0 times
- District Court, D. Puerto Rico | Thursday, May 28, 1987 | Cited 0 times