"How to Plan your Trip to Southern California" (Southern California: Produced by the All- Year Club Visitors Bureau), 1939, Sub-Series 2.5, Box: 18, Folder: 4. Collection of California maps and guidebooks, SC-012. Pfau Library Special Collections. https://archivesspace.csusb.edu//repositories/3/archival_objects/7213 Accessed November 15, 2024.