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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Chitwood, B. G. (Benjamin Goodwin), - Jacobs, Leon
    Type: Article
    In: Journal of the Washington Academy of Sciences
    Volume: 28
    Date: 1938
    Page Range: 12--13
    Publication Info: Washington [etc Washington Academy of Sciences]
  2. By: Jacobs, Leon
    Type: Article
    In: Journal of the Washington Academy of Sciences
    Volume: 28
    Date: 1938
    Page Range: 452--455
    Publication Info: Washington [etc Washington Academy of Sciences]