"Map of San Bernardino California and Adjacent Areas" (San Bernardino, CA: Produced by San Bernardino Board of Realtors), undated, Sub-Series 1.4, Box: 24, Folder: 1. Collection of California maps and guidebooks, SC-012. Pfau Library Special Collections. https://archivesspace.csusb.edu//repositories/3/archival_objects/15323 Accessed January 09, 2026.