Court of Appeals for the First Circuit December 1947 casesSOCIEDAD ESPANOLA DE AUXILIO v. BUSCAGLIAArroyo v. Puerto Rico Transp. AuthorityG. Llinas & Cia, S. En C. v. CostasTheopold v. United StatesIndustrial Trust Co. v. CommissionerAnderson v. MercadoCommissioner of Internal Revenue v. Mackin