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  1. A botanical exploration of the north shore of the gulf of St. Lawrence including an annotated list of the species of vascular plants,
    By: St. John, Harold.
    Publication info: Ottawa,F. A. Acland, printer,1922.
    Contributed by: Harold B. Lee Library (archive.org)
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  2. Nomenclature of plants; a text for the application by the case method of the International code of botanical nomenclature.
    By: St. John, Harold.
    Publication info: New York,Ronald Press Co.[1958]
    Contributed by: MBLWHOI Library, Woods Hole
    BHL Collections: MBLWHOI Library, Woods Hole
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  3. Sable Island, with a catalogue of its vascular plants / by Harold St. John.
    By: St. John, Harold.
    Publication info: Boston :Gray Herbarium of Harvard University,1921.
    Contributed by: University of California Libraries (archive.org)
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