33. Police set up a barrier to prevent demonstrators from getting to the highway

33. Police set up a barrier to prevent demonstrators from getting to the highway, Box: 4, Folder: 3. Manuel (Chaca) Ramírez Photographs, 22870067. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/362128 Accessed September 26, 2026.