Eugenics Laboratory Memoirs 4: Elderton, Ethel Mary. Assisted by Karl Pearson. 1907. On the Measure of the Resemblance of First Cousins (London: Dulau and Co.). 53 pp.
Eugenics Laboratory Memoirs 4: Elderton, Ethel Mary. Assisted by Karl Pearson. 1907. On the Measure of the Resemblance of First Cousins (London: Dulau and Co.). 53 pp.
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