"San Bernardino All-America City" (San Bernardino, CA: Produced by San Bernardino Area Chamber of Commerce), 1978, Sub-Series 2.4, Box: 25, Folder: 3. Collection of California maps and guidebooks, SC-012. Pfau Library Special Collections. https://archivesspace.csusb.edu//repositories/3/archival_objects/15395 Accessed January 10, 2026.