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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Barrows, W. M.
    Type: Article
    In: The Ohio journal of science
    Volume: 19
    Date: 1919
    Page Range: 355--360
    Publication Info: Columbus, Ohio, Ohio Academy of Science,
  2. By: Barrows, W. M.
    Type: Article
    In: The Ohio journal of science
    Volume: 19
    Date: 1919
    Page Range: 210--212
    Publication Info: Columbus, Ohio, Ohio Academy of Science,