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By: E.C. Powell (Firm) - Powell, E. C. (Edwin C.) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection. - Twin Maple Gladiola Gardens.Edition:Publication info: Portland, Oregon, E.C. Powell, [1927]Volume: 1927Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections: Seed & Nursery Catalogs