"Automobile Road Map The State of California Showing The State Highway System Boulevards and Good Roads" (Produced by Automobile Club of Southern California), undated, Sub-Series 1.5, Box: 22, Folder: 5. Collection of California maps and guidebooks, SC-012. Pfau Library Special Collections. https://archivesspace.csusb.edu//repositories/3/archival_objects/15235 Accessed January 10, 2026.