Reports of experiments with various insecticide substances, chiefly upon insects affecting garden crops, made under the direction of the entomologist." U.S. Department of Agriculture, Division of Entomology, Bulletin No. 11, 1886., Box: 5. Veterinary Reprint and Pamphlet Collection, 24-4-3369. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/263416 Accessed April 02, 2026.