"Pomona California" (Pomona, CA; Produced by The Pomona Board of Trade), 1910, Sub-Series 2.3, Box: 21, Folder: 3. Collection of California maps and guidebooks, SC-012. Pfau Library Special Collections. https://archivesspace.csusb.edu//repositories/3/archival_objects/10397 Accessed November 15, 2024.