BIF

Page 4 of 4

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Winter

1923

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Studies in Animal Motion

1922

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Fathoms Deep Beneath the Sea

1922

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The Battle of the Ants

1922

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Skilled Insect Artisans

1922

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The White Owl

1922

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The Cuckoo's Secret

1922

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Hand Versus Feet

1922

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Infant Welfare in the Bird World

1922

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The Life Story of the Caddis Worm

1919

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The Life Story of the Cuckoo

1919

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The Life Story of the Garden Spider

1919

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