"Yosemite National Park California...Open All Year" (Produced by Sunset Press), 1926, Sub-Series 2.5, Box: 19, Folder: 1. Collection of California maps and guidebooks, SC-012. Pfau Library Special Collections. https://archivesspace.csusb.edu//repositories/3/archival_objects/7195 Accessed November 15, 2024.