Inbreeding and outbreeding; their genetic and sociological significance East, Edward M. (Edward Murray), 1879-1938 creator Jones, Donald Forsha, 1890-1963 contributor text book Philadelphia J.B. Lippincott Company [c1919] 1919
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ENG Series title also at head of t.-p. Breeding Evolution Genetics Genetics, Medical Heredity, Human Hybridization QH366 .E3 Monographs on experimental biology https://www.biodiversitylibrary.org/bibliography/24807 1489800 20000352 10.5962/bhl.title.24807 DLC