D. Puerto Rico July 1973 casesNorfolk Shipbuilding & Drydock Corp. v. The Motor Yacht La Belle SimonePagan v. Secretary of Health, Education and WelfareMartinez v. Secretary of Health, Education WelfarePuerto Rico Int. Air., v. International Ass'n of M. A.W.Ramos v. RichardsonBender v. Hilton Riviera Corporation