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  1. A Brief Study of the Range of Error in Micro-Enumeration
    By: Allen, W E
    Type: Article
    In: Transactions of The American Microscopical Society
    Volume: 40
    Date: 1921
    Page Range: 14--25
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  2. Expedition of the California Academy of Sciences to the Gulf of California in 1921. Observations on surface distribution of marine diatoms of Lower California in 1921
    By: Allen, W E
    Type: Article
    In: Proceedings of the California Academy of Sciences
    Volume: 12
    Series: 4
    Date: 1923
    Page Range: 437--442
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  3. Some Work on Marine Phytoplankton in 1919
    By: Allen, W E
    Type: Article
    In: Transactions of The American Microscopical Society
    Volume: 40
    Date: 1921
    Page Range: 177--181
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