"The Busch Gardens" (Pasadena, CA; Produced by The Van Ornum Colorprint Co.), undated, Sub-Series 2.3, Box: 21, Folder: 4. Collection of California maps and guidebooks, SC-012. Pfau Library Special Collections. https://archivesspace.csusb.edu//repositories/3/archival_objects/10408 Accessed November 15, 2024.