Note T — SECTION VIII COMPARISON OF DEGENERATIVE TENDENCIES AMONG NATIONS
Reading edition
Seventy-fifth Annual Report of the Registrar General of the Births, Deaths, and Marriages in England and Wales, 1912, p. 28.
Reading edition
Seventy-fifth Annual Report of the Registrar General of the Births, Deaths, and Marriages in England and Wales, 1912, p. 28.