"Welcome Map to San Francisco and Bay Area" (San Francisco, CA: Produced by A. S. Babcock), 1949, 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/15228 Accessed January 10, 2026.