"This is San Bernardino Gateway to the Good Life" (San Bernardino, CA: Produced by San Bernardino Chamber of Commerce [Quantity 2]), 1975, Sub-Series 2.4, Box: 25, Folder: 2. Collection of California maps and guidebooks, SC-012. Pfau Library Special Collections. https://archivesspace.csusb.edu//repositories/3/archival_objects/15394 Accessed January 10, 2026.