D. Puerto Rico December 1969 casesAdorno Lorenzana v. People of Puerto RicoColon-Rios v. PerrinKovalsky v. Avis Rent-A-Car, Inc.Andros Marine Chartering Co. v. Tug GladiatorCommonwealth of Puerto Rico v. Pan American Life Ins. Co.Rivera-Vargas v. United StatesArce v. FinchMarrero v. Continental Cas. Co.Americana of Puerto Rico v. Transocean TankersHernandez v. U.S. Secretary of Health, Educ.