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The Mental Life of Monkeys and Apes
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Reaction Of Entomostraca To Stimulation By Light...
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Methods Of Studying Vision In Animals
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Introduction to Psychology
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A point scale for measuring mental ability
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The new World of Science; its Development During the War
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Army Mental Tests
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Psychological Examining In The United States Army: Edited By Robert M. Yerkes
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Chimpanzees A Laboratory Colony
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The Great Apes: A Study of Anthropoid Life (Classic Reprint)
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A Study of Variation in the Fiddler Crab Gelasimus Pugilator Latr
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Outline of a Study of the Self
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Chimpanzee Intelligence and its Vocal Expressions
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