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By: Canal Zone Experiment Gardens. Nursery Division. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.Edition:Publication info: Summit, C.Z. [Panama], Canal Zone Experiment Gardens, Nursery Division, [1941?]Volume: 1941Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections: Seed & Nursery Catalogs