. . . . . . . . . . . . "Formation of a deaf variety of the human race" . . . . "Upon the formation of a deaf variety of the human race" . . . . . . . . . . . . . . . . . . . . . . . . . "Memoir upon the formation of a deaf variety of the human race"@en . "Memoir upon the formation of a deaf variety of the human race" . . . . . . . . . . . . . . . . "Deafness." . . "Deafness genetics Statistics." . . "Genetics." . . "Persons With Hearing Impairments statistics & numerical data Tables." . . "Genetics, Medical." . . "Human genetics." . . "Hérédité humaine." . . "Génétique." . . "Marriage Statistics." . . "Marriage Tables." . . "Deafness genetics." . . "Deafness genetics Tables." . . "Heredity, Human." . . . . "Deaf Marriage." . . "Selection, Genetic Statistics." . . "Selection, Genetic Tables." . . "Génétique humaine." . .