Caponigri, A. Robert. "The Legacy of Aeterni Patris." Congreso Internacional de Filosofía Cristiana Conference, Córdoba, Argentina, 1979 October

Caponigri, A. Robert. "The Legacy of Aeterni Patris." Congreso Internacional de Filosofía Cristiana Conference, Córdoba, Argentina, 1979 October, Box: 159, Folder: 22. Julian Samora Papers, 24426265. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/388759 Accessed September 26, 2026.