Ibid., p. 384.
"Recherches sur les Mariages Consanguins et sur les Races Pures." in Bulletins de la Société d'Anthropologie, 1863, p. 527.
"Marriages between First Cousins in England and their Effects," in Journal of the Statistical Society, June, 1875. pp. 154 et seq.
Names of Persons for whom Marriage Licenses were issued by the Secretary of the Province of New York.