*Missing Copy 1* 14. "Primavera" pen and ink (32" x 19"), 1970 February 14

*Missing Copy 1* 14. "Primavera" pen and ink (32" x 19"), 1970 February 14, 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/362756 Accessed September 26, 2026.