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H. Laughlin letter to Senator Ernst, about Ernst's failure to respond to Senator survey (#1212)
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H. Laughlin response to C. Bruce's objections to the racial descent study of U.S. senators (#1216)
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H. Laughlin's hand-written pedigree of the Tesla family (#1191)
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H. Laughlin's letter to Baltimore Sun about getting data on C. Bruce for racial descent study of U.S. senators (#1217)
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"Human pedigrees detailing inheritance of specific biological traits: Inheritance of musical talent," Eugenics Section, American Breeders Association (#84)
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Hereditary Genius: An Enquiry into Its Laws and Consequences (2nd ed.), by Francis Galton, selected pages, multiple pages (#2016)
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Individual analysis card, Daniel Boone (#216)
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"Inheritance of Musical Talent," pedigree chart with instructions, Eugenics Section, American Breeders Association, multiple pages (#1769)
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"Inventiveness by racial stock in the United States" and "Race Descent of the Population of the United States," 3rd International Eugenics Conference (#1071)
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Marriage announcement of Ruth and Edwin Shawn, union "may produce results of great value to the science of race betterment", multiple pages (#855)
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"On Catholicism, As Revealed in the latest Encyclical of His Holiness Pope Pius XI," Eugenics Review (vol 23:1), papal decree condemning eugenics (#1817)
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