"Colorful San Francisco" (San Francisco, CA: Produced by The California Collection Agency, Inc. and the Printing Corporation), 1938, Sub-Series 2.4, Box: 20. Collection of California maps and guidebooks, SC-012. Pfau Library Special Collections. https://archivesspace.csusb.edu//repositories/3/archival_objects/7160 Accessed November 15, 2024.