"San Bernardino Riverside" (San Bernardino, CA: Produced by Rand McNally & Co), 1972, Sub-Series 1.4, Box: 22, Folder: 4. Collection of California maps and guidebooks, SC-012. Pfau Library Special Collections. https://archivesspace.csusb.edu//repositories/3/archival_objects/15234 Accessed January 10, 2026.