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By: Hearthstone Iris Gardens. - Doub, M. Berry. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.Edition:Publication info: Clear Spring, Maryland, Hearthstone Iris Gardens, [1955]Volume: 1955Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Bulbs (Plants) Clear Spring Irises (Plants) Maryland Nursery stock Prices VarietiesBHL Collections: Seed & Nursery Catalogs