Puerto Rico, University: "Summary Report to the Commission on Revisions to Zoning Regulation no. 4," "The Role of the Colegio in Planning and Development Policy for the Commonwealth of Puerto Rico," correspondence, clippings, "A Petition to the Planning Board of the Commonwealth of Puerto Rico," "Informe del Comite de Evaluacion," notes, "Summary Report: San Juan Metropolitan Area Transportation Study: Transportation Plan.", 1968

Puerto Rico, University: "Summary Report to the Commission on Revisions to Zoning Regulation no. 4," "The Role of the Colegio in Planning and Development Policy for the Commonwealth of Puerto Rico," correspondence, clippings, "A Petition to the Planning Board of the Commonwealth of Puerto Rico," "Informe del Comite de Evaluacion," notes, "Summary Report: San Juan Metropolitan Area Transportation Study: Transportation Plan.", 1968, Box: 30, Folder: 9. Carl Feiss papers, 2635. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/370605 Accessed December 13, 2025.