"Your Fun Never Stops at Marineland of the Pacific...World's Only 3-ring Sea Circus" (Produced by Marineland of the Pacific), 1963, Sub-Series 2.5, Box: 16, Folder: 4. Collection of California maps and guidebooks, SC-012. Pfau Library Special Collections. https://archivesspace.csusb.edu//repositories/3/archival_objects/7086 Accessed November 15, 2024.