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  1. The botanists of Philadelphia and their work.
    By: Harshberger, John William,
    Publication info: Philadelphia[T.C. Davis]1899
    Holding Institution: University of Toronto - Gerstein Science Information Centre
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  2. A text-book of mycology and plant pathology,
    By: Harshberger, John William,
    Publication info: Philadelphia,P. Blakiston's Son & Co.[c1917]
    Holding Institution: Library of Congress
    BHL Collections: Library of Congress
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