32. "Mazorca De Filigrana" pen and ink (28" x 22), 1968 August 28

32. "Mazorca De Filigrana" pen and ink (28" x 22), 1968 August 28, Box: 6, Folder: 17. Manuel (Chaca) Ramírez Photographs, 22870067. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/362835 Accessed September 26, 2026.