Ranger Project (correspondence, memos), 1967-1969, 1972-1974

Ranger Project (correspondence, memos), 1967-1969, 1972-1974, Box: 38, Folder: 3. Joe J. Bernal Papers, 23665826. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/543095 Accessed September 25, 2026.