"Coachella Valley Desert Trails...The Salton Sea Saga and The Romance and Sex Life of the Date" (Coachella Valley, CA: Produced by Shields Date Gardens), 1957, Sub-Series 2.1, Box: 15, Folder: 3. Collection of California maps and guidebooks, SC-012. Pfau Library Special Collections. https://archivesspace.csusb.edu//repositories/3/archival_objects/7043 Accessed November 15, 2024.