"Riverside California" (Riverside, CA: Produced by Rand McNally Map Services Company), 1989, Sub-Series 1.3, Box: 7, Folder: 4. Collection of California maps and guidebooks, SC-012. Pfau Library Special Collections. https://archivesspace.csusb.edu//repositories/3/archival_objects/6851 Accessed November 15, 2024.