"Yosemite National Park California" (Produced by the National Park Service U.S. Department of the Interior), 2008, Sub-Series 1.5, Box: 13, Folder: 2. Collection of California maps and guidebooks, SC-012. Pfau Library Special Collections. https://archivesspace.csusb.edu//repositories/3/archival_objects/7010 Accessed November 15, 2024.