"Roads of Paso Robles" (Paso Robles, CA: Produced by W. C. Morrow), 1904, Sub-Series 2.3, Box: 17, Folder: 3. Collection of California maps and guidebooks, SC-012. Pfau Library Special Collections. https://archivesspace.csusb.edu//repositories/3/archival_objects/7121 Accessed November 15, 2024.