Bolton, B.M. "The bacteriolytic power of the blood serum of hogs." U.S. Department of Agriculture, Bureau of Animal Industry, Bulletin No. 95, 12 March 1907., Box: 1. Veterinary Reprint and Pamphlet Collection, 24-4-3369. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/262362 Accessed April 16, 2026.