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specialcollections.nal.usda.gov/guide-c...lections

Special Collections houses a wealth of materials relating to all aspects of agricultural history, discovery, and advancement. The combination of over 15,000 rare books, 400 manuscript collections, original art work, posters, photographs, and nursery and seed trade catalogs makes Special Collections a premiere center for agricultural research. The materials are divided into manuscript collections, rare books, and nursery and seed catalogs.