"In the Center of Southern California's High Country Beautiful Arza Valley" (Arza Valley, CA: Produced by Westview Publications Inc.), 1981, Sub-Series 1.1, Box: 1, Folder: 2. Collection of California maps and guidebooks, SC-012. Pfau Library Special Collections. https://archivesspace.csusb.edu//repositories/3/archival_objects/6641 Accessed November 15, 2024.