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  1. Correspondence : Engelmann (Wilhelm) and Engelmann (George), 1877.
    By: Engelmann, Th. W.
    Contributed by: Missouri Botanical Garden, Peter H. Raven Library
    BHL Collections: Engelmann Papers, Missouri Botanical Garden
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  1. XXIV.—Contributions to the natural history of the Infusoria
    By: Engelmann, Th. W. Theodor Wilhelm Engelmann 1843-1909
    Type: Article
    In: Annals And Magazine of Natural History
    Volume: 10
    Series: 3
    Date: 1862
    Page Range: 241--261
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