Cotton, H. A. (1912). Some problems in the study of heredity in mental diseases. Carnegie Institution of Washington, Eugenics Record Office.
Dyfyniad Arddull ChicagoCotton, Henry Andrews. Some Problems in the Study of Heredity in Mental Diseases. Cold Spring Harbor, N.Y.: Carnegie Institution of Washington, Eugenics Record Office, 1912.
Dyfyniad MLACotton, Henry Andrews. Some Problems in the Study of Heredity in Mental Diseases. Carnegie Institution of Washington, Eugenics Record Office, 1912.
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