Gibson, J. J., Schiff, W., & Caviness, J. Persistent fear responses in rhesus monkeys to the optical stimulus of "looming." Science, 1962, 136, 982-983., 1962

Gibson, J. J., Schiff, W., & Caviness, J. Persistent fear responses in rhesus monkeys to the optical stimulus of "looming." Science, 1962, 136, 982-983., 1962, Box: 10, Folder: 25. James J. Gibson papers, 14-23-1832. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/820219 Accessed January 17, 2026.