Romanell, Patrick. "Ortega en Mexico: Tributo a Samuel Ramos." Dianoia, (1960): 170-180.

Romanell, Patrick. "Ortega en Mexico: Tributo a Samuel Ramos." Dianoia, (1960): 170-180., Box: 82, Folder: 11. Américo Paredes Papers, 51244413. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/457721 Accessed September 26, 2026.