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Allen, Grace, Davenport, Charles Benedict (1926) Heredity of nasal brow. Eugenical News, 10. pp. 126-127.
Allen, Grace (1926) The families whence high intelligence springs. Eugenics Record Office Bulletin (25). p. 39.
Allen, Grace, Davenport, Charles Benedict (1926) A remarkable family of albinos. Eugenical News, 11. pp. 50-52.