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  1. Establishment of a National Botanical Garden : hearing before a Joint Committee on the Library, Congress of the United States, Sixty-sixth Congress, second session, on S. 497, a bill to increase the area of the United States Botanic Garden in the
    By: United States. - United States Botanic Garden
    Publication info: Washington :G.P.O.,1920.
    Contributed by: Smithsonian Libraries
    BHL Collections: Smithsonian Institution Libraries
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