"City of San Bernardino California and The "Rim of the World Drive" in the San Bernardino Mountains" (San Bernardino, CA: Produced by San Bernardino Chamber of Commerce), 1925, Sub-Series 1.4, Box: 23, Folder: 1. Collection of California maps and guidebooks, SC-012. Pfau Library Special Collections. https://archivesspace.csusb.edu//repositories/3/archival_objects/15243 Accessed January 09, 2026.