- Supreme Court of the United States | Monday, April 4, 1983 | Cited 0 times
- Supreme Court of the United States | Wednesday, March 4, 1981 | Cited 0 times
- Supreme Court of the United States | Monday, May 14, 1973 | Cited 0 times
- Court of Appeals for the First Circuit | Friday, March 12, 1993 | Cited 0 times
- Supreme Court of the United States | Monday, June 5, 1989 | Cited 0 times
- District Court, D. Puerto Rico | Monday, June 29, 1992 | Cited 0 times