"Metropolitan Los Angeles and Freeway System" (Los Angeles, CA: Produced by the Automobile Club of Southern California), undated, Sub-Series 1.2, Box: 4, Folder: 4. Collection of California maps and guidebooks, SC-012. Pfau Library Special Collections. https://archivesspace.csusb.edu//repositories/3/archival_objects/6761 Accessed November 15, 2024.