5.2 "Madona del Bisonte" mixed media drawing (12 1/2" x 12 1/2"), 1981 August

5.2 "Madona del Bisonte" mixed media drawing (12 1/2" x 12 1/2"), 1981 August, Box: 4, Folder: 19. Manuel (Chaca) Ramírez Photographs, 22870067. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/362527 Accessed September 26, 2026.