8. "Cerro De La Silla" mixed media (30" x 20"), 1968 June 13

8. "Cerro De La Silla" mixed media (30" x 20"), 1968 June 13, Box: 6, Folder: 12. Manuel (Chaca) Ramírez Photographs, 22870067. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/362750 Accessed September 26, 2026.