33. "Armour Winged Horse" pen and ink (22" x 28"), 1973 February 17

33. "Armour Winged Horse" pen and ink (22" x 28"), 1973 February 17, 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/362836 Accessed September 26, 2026.