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  1. On the measure of the resemblance of first cousins / by Ethel M. Elderton ; assisted by Karl Pearson.
    By: Elderton, Ethel M. - Pearson, Karl,
    Publication info: London :Dulau,1907.
    Contributed by: Wellesley College Library (archive.org)
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  2. The relative strength of nurture and nature, by Ethel M. Elderton.
    By: Elderton, Ethel M.
    Publication info: London,Dulau and Co.,1909.
    Contributed by: Wellesley College Library (archive.org)
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