Elderton (1907) On the Measure of the Resemblance of First Cousins Eugenics Laboratory Memoirs 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 Share:TweetWhatsAppEmailPrint Related