"San Bernardino: The Past, The Promise, The Future" (San Bernardino, CA: Produced by San Bernardino Economic Development Council), undated, Sub-Series 2.4, Box: 24, Folder: 5. Collection of California maps and guidebooks, SC-012. Pfau Library Special Collections. https://archivesspace.csusb.edu//repositories/3/archival_objects/15351 Accessed January 10, 2026.