Curious Naturalists
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Animal Behaviour (Young Readers Library)
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The Herring Gull's World: A Study of the Social Behaviour of Birds (The New Naturalist)
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The Animal in its World: Explorations of an Ethologist 1932-72, Vol 1: Field Studies
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The Study of Instinct
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Autismus bei Kindern
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The Animal in its World: Explorations of an Ethologist 1932-72, Vol. 2: Laboratory Experiments & General Papers
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Kleew: The Story of a Gull
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Social Behaviour in Animals: With special reference to vertebrates
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The Herring Gull's World
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Kleew
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Early Childhood Autism: An Ethological Approach (Advances in Ethology, 10)
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