"Ground Plan Map San Diego Exposition" (San Diego, CA; Produced by Pictorial Publishing Co.), 1915, Sub-Series 1.4, Box: 21, Folder: 3. Collection of California maps and guidebooks, SC-012. Pfau Library Special Collections. https://archivesspace.csusb.edu//repositories/3/archival_objects/10402 Accessed November 15, 2024.