Книга "Emotional Rollercoaster: A Journey Through the Science of Feelings" - Claudia Hammond

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Birds and Nature Vol. 9 No. 5 [May 1901]

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Birds and Nature, Vol. 12 No. 5 [December 1902]

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Birds Illustrated by Color Photography [February, 1898]

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Birds Illustrated by Color Photography [January, 1898]

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Birds Illustrated by Color Photography Vol 3. No 4.

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Birds, Illustrated by Color Photography, Vol. 1, No. 1

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Birds, Illustrated by Color Photography, Vol. 1, No. 6

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Birds, Illustrated by Color Photography, Vol. 2, No. 2

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Birds, Illustrated by Color Photography, Vol. 2, No. 4

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Birds, Illustrated by Color Photography, Vol. 2, No. 6

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Blackwood's Edinburgh Magazine - Volume 57, No. 352, February 1845

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Blackwood's Edinburgh Magazine, Volume 56, Number 349, November, 1844