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  1. The Bryologist.
    By: Grout, A. J. - Jennings, Otto Emery, - Smith, Annie Morrill. - American Bryological and Lichenological Society - American Bryological Society
    Publication info: St. Louis, Mo. [etc.]American Bryological and Lichenological Society.
    Contributed by: Smithsonian Libraries
    BHL Collections: Smithsonian Libraries
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  2. A manual of the mosses of western Pennsylvania,
    By: Jennings, Otto Emery,
    Publication info: Pittsburgh, Pa.,The Author, Press of the City Mission Publishing Company,1913.
    Contributed by: Cornell University Library
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