Ball, Margaret, "El Futuro de la Organización Interamericana: Problemas y Alternativas,", 1965

Ball, Margaret, "El Futuro de la Organización Interamericana: Problemas y Alternativas,", 1965, Box: 98, Folder: 5. Stanton Loomis Catlin Papers, 2007-01. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/474258 Accessed September 27, 2026.