"Southern California...Year 'Round Vacation Land Supreme" (Southern California: Produced by the All-Year Club of Southern California), 1925, 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/7218 Accessed November 15, 2024.