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Animal intelligence

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Cover of Clever Hans (The Horse of Mr. Von Osten): A contribution to experimental animal and human psychology

Clever Hans (The Horse of Mr. Von Osten): A contribution to experimental animal and human psychology

Oskar Pfungst

2.9
Cover of Ways of Nature

Ways of Nature

John Burroughs

3.8
Cover of Lola : $b or, The thought and speech of animals

Lola : $b or, The thought and speech of animals

Henny Kindermann

2.1
Cover of Animal Behaviour

Animal Behaviour

C. Lloyd (Conwy Lloyd) Morgan

2.9
Cover of Animal Intelligence: The International Scientific Series, Vol. XLIV.

Animal Intelligence: The International Scientific Series, Vol. XLIV.

George John Romanes

2.4
Cover of Intelligence in Plants and Animals: Being a New Edition of the Author's Privately Issued "Soul and Immortality."

Intelligence in Plants and Animals: Being a New Edition of the Author's Privately Issued "Soul and Immortality."

Thomas G. (Thomas George) Gentry

2.1
Cover of Animal intelligence: Experimental studies

Animal intelligence: Experimental studies

Edward L. (Edward Lee) Thorndike

4.2
Cover of The Mental Life of Monkeys and Apes: A Study of Ideational Behavior

The Mental Life of Monkeys and Apes: A Study of Ideational Behavior

Robert Mearns Yerkes

3.2
Cover of Animal Life and Intelligence

Animal Life and Intelligence

C. Lloyd (Conwy Lloyd) Morgan

2.8
Cover of Stories of Animal Sagacity

Stories of Animal Sagacity

William Henry Giles Kingston

2.7