"Welcome to Top of the San Fernando Valley... Sylmar California" (Sylmar, CA: Produced by the Chamber of Commerce), 1980, Sub-Series 1.4, Box: 11, Folder: 4. Collection of California maps and guidebooks, SC-012. Pfau Library Special Collections. https://archivesspace.csusb.edu//repositories/3/archival_objects/6969 Accessed November 15, 2024.