Swingle, Walter T. "Bordeaux mixture: its chemistry, physical properties, and toxic effects on fungi and algae." U.S. Department of Agriculture, Division of Vegetable Physiology and Pathology, Bulletin No. 9, 1896., Box: 4. Veterinary Reprint and Pamphlet Collection, 24-4-3369. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/263255 Accessed April 16, 2026.