"Yosemite National Park...California" (Produced by the United States Department of the Interior), 1941, Sub-Series 2.5, Box: 19, Folder: 2. Collection of California maps and guidebooks, SC-012. Pfau Library Special Collections. https://archivesspace.csusb.edu//repositories/3/archival_objects/7197 Accessed November 15, 2024.