Gardner, L. Pearl. "The response of cows to the same signal in different positions." Reprinted from the Journal of Comparative Medicine, April 1937., Box: 2. Veterinary Reprint and Pamphlet Collection, 24-4-3369. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/262636 Accessed April 09, 2026.