"Needles California Tourist Paradise on the Blue Colorado River" (Needles, CA: Produced by the Arizona Wildlife- Sportsman Magazine), undated, Sub-Series 2.3, Box: 17, Folder: 1. Collection of California maps and guidebooks, SC-012. Pfau Library Special Collections. https://archivesspace.csusb.edu//repositories/3/archival_objects/7100 Accessed May 16, 2024.