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  1. Birds of Marlborough; being a contribution to the ornithology of the district, by Everard F. Im Thurn. With an appendix.
    By: Im Thurn, Everard Ferdinand,
    Publication info: Marlborough,Perkins, "Times" office; [etc., etc.]1870.
    Contributed by: Smithsonian Libraries
    BHL Collections: Smithsonian Libraries
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  2. The botany of the Roraima expedition of 1884 / by Everard F. im Thurn ; communicated by Sir J.D. Hooker.
    By: Im Thurn, Everard Ferdinand, - Hooker, Joseph Dalton,
    Contributed by: Mertz Library, The New York Botanical Garden
    BHL Collections: New York Botanical Garden
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