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The Psychology of Reasoning By Alfred Binet 



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Has the Psychological Laboratory Proved Helpful? 



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A Mechanico-Physiological Theory of Organic Evo- 

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Experiments on the Generation of Insects 



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Science and Faith, or Man as an Animal, and Man 

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A First Book in Organic Evolution 



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On Germinal Selection as a Source of Definite 

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Popular Scientific Lectures By Ernst Mach 



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