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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Williamson, A. A.
    Type: Article
    In: Journal of the Washington Academy of Sciences
    Volume: 44
    Date: 1954
    Page Range: 297--302
    Publication Info: Washington [etc Washington Academy of Sciences]
  2. By: Williamson, A. A.
    Type: Article
    In: Journal of the Washington Academy of Sciences
    Volume: 43
    Date: 1953
    Page Range: 305--311
    Publication Info: Washington [etc Washington Academy of Sciences]