Raamatud David Heron
A Prelminary Study Of Extreme
Karl Pearson, Amy Barrington, David Heron
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The Influence of Defective Physique and Unfavourable Home Environment on the Intelligence of School
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Mental Defect, Mal-nutrition, and the Teachers Appreciation of Intelligence; a Reply to Criticisms of the Memoir on The Influence of Defective Physi
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On the Relation of Fertility in man to Social Status, and on the Changes in This Relation That Have Taken Place During the Last Fifty Years
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On the Relation of Fertility in man to Social Status, and on the Changes in This Relation That Have Taken Place During the Last Fifty Years
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Mendelism and the problem of mental defect. I. A criticism of recent American work.
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A First Study of the Statistics of Insanity and the Inheritance of the Insane Diathesis
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