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  1. Typical flies; a photographic altas,
    By: Pearce, Ethel Katharine,
    Publication info: Cambridge,University press,1921.
    Holding Institution: Smithsonian Libraries
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  2. Typical flies; a photographic atlas of Diptera, including Aphaniptera,
    By: Pearce, Ethel Katharine,
    Edition: 2d ed.
    Publication info: Cambridge,University press,1928.
    Holding Institution: Smithsonian Libraries
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  3. Typical flies; a photographic atlas of Diptera, including Aphaniptera,
    By: Pearce, Ethel Katharine,
    Publication info: Cambridge,University press,1915.
    Holding Institution: Smithsonian Libraries
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  4. Typical flies; a photographic atlas,
    By: Pearce, Ethel Katharine,
    Publication info: Cambridge :University press,1921.
    Holding Institution: University of California Libraries (archive.org)
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