The National Agricultural Library (NAL), Special Collections has one of the world's largest collections of nursery and seed trade catalogs totaling over 200,000 from American as well as international companies. This collection, representing businesses located in all states plus over 50 countries, was named after its long-time curator, Henry G. Gilbert. The earliest catalog is from William R. Prince & Company dated 1771. NAL continues to collect modern-day catalogs.
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