"Map of Sierra Madre" (Sierra Madre, CA: Produced by the Sierra Madre Chamber of Commerce), 1974, Sub-Series 1.4, Box: 11, Folder: 1. Collection of California maps and guidebooks, SC-012. Pfau Library Special Collections. https://archivesspace.csusb.edu//repositories/3/archival_objects/6951 Accessed November 15, 2024.