David Starr Jordan The Blood of the Nation: A Study of the Decay of Races through the Survival of the Unfit. (copyright 1902, reprinted 1910) p 12互联网档案馆的存檔,存档日期October 30, 2020,.. The term "race" occurs more than 30 times in the short book. The term "eugenics" is not in there, but the basic concept is described.
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David Starr Jordan '72(PDF). Cornell Alumni News. May 10, 1899, I (6): 39, 43 [June 15, 2014]. (原始内容存档(PDF)于February 12, 2019).
David Starr Jordan The Blood of the Nation: A Study of the Decay of Races through the Survival of the Unfit. (copyright 1902, reprinted 1910) p 12互联网档案馆的存檔,存档日期October 30, 2020,.. The term "race" occurs more than 30 times in the short book. The term "eugenics" is not in there, but the basic concept is described.