Outline of Demonstration of Swine Sanitation by Jones Purcell, 1938

Citation

Hayes B. Raffensperger. 1938. “Outline of Demonstration of Swine Sanitation by Jones Purcell, 1938.” Special Collections, USDA National Agricultural Library. Accessed February 21, 2024, https://www.nal.usda.gov/exhibits/speccoll/items/show/7807.