Crestline Village and Skyland Forest on The Rim of the World San Bernardino Mountains (Crestline, CA: Produced by Haynes Corporation), undated, Sub-Series 2.1, Box: 24, Folder: 5. Collection of California maps and guidebooks, SC-012. Pfau Library Special Collections. https://archivesspace.csusb.edu//repositories/3/archival_objects/15354 Accessed January 10, 2026.