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Mr. Swingle as he used to look when he was studying citrus disease, 1893.

Image (illustration or photograph) for this item, linking to higher res image.

Citation

Unknown. “Mr. Swingle as he used to look when he was studying citrus disease, 1893..” Special Collections, USDA National Agricultural Library. Accessed December 1, 2024, https://www.nal.usda.gov/exhibits/speccoll/items/show/295.

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