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By: De Kalb Agricultural Association. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.Edition:Publication info: De Kalb, Illinois, De Kalb Agricultural Association, [1938]Volume: 1938Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Catalogs De Kalb Hybrid corn Illinois Research Seed industry and trade SeedsBHL Collections: Seed & Nursery Catalogs