D. Puerto Rico January 1979 casesFigueroa v. Com. of Puerto RicoSantiago v. U.S. Sec. of H.E.W.Feliciano v. BarceloConjugal Soc. v. Chicago Title Ins. Co.Carrasco v. Secretary of Health, Ed. WelfareW. Clay Jackson, Etc. v. Greyhound LeasingW. Clay Jackson Enterprises v. Greyhound Leasing