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  1. Journal of the Portland Society of Natural History.
    By: Portland Society of Natural History (Me.)
    Publication info: Portland :The Society,1864.
    Contributed by: Smithsonian Libraries
    BHL Collections: Smithsonian Institution Libraries
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  2. On the Orthoptera of the State of Maine.
    By: Smith, Sidney I. - Portland Society of Natural History (Me.)
    Publication info: Portland,Portland Society of Natural History,1868
    Contributed by: Smithsonian Libraries
    BHL Collections: Smithsonian Institution Libraries
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  3. The Portland catalogue of Maine plants,
    By: Portland Society of Natural History (Me.)
    Publication info: Portland,Transcript Print,1868.
    Contributed by: Mertz Library, The New York Botanical Garden
    BHL Collections: New York Botanical Garden
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  4. The Portland catalogue of Maine plants.
    By: Portland Society of Natural History (Me.)
    Edition: 2d ed. ...
    Publication info: Portland :Portland society of natural history,1892.
    Contributed by: University of California Libraries (archive.org)
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