Files with no machine-readable author

Katmai Sow and Cubs.JPG
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Public Domain

Lightmatter polarbear2...
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CC BY 2.0

Noaa-polar4.jpg
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Public Domain

Noaa-polar5.jpg
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Public Domain

Noaa-polar28.jpg
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Public Domain

Leefgebied aziatische z..
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CC-BY-SA-3.0

Henry Vilas Zoo IMG 240..
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CC BY 2.0

Himalayanblackbear.jpg
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CC-BY-SA-3.0

Tired brown bear 050701..
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CC BY-SA 1.0

PolarBear2BrookfieldZoo..
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CC-BY-SA-3.0

PolarBearBrookfieldZoo...
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CC-BY-SA-3.0

Taxidermied polar bear ..
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CC-BY-SA-3.0

BelorusianSkomorokhs.jpg
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Public Domain

Fisher the Bear.jpg
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Public Domain

Polar bear under water...
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CC BY-SA 2.5

Isbjoern hoved stor.jpg
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CC-BY-SA-3.0

Isbjoern undervands sto..
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CC-BY-SA-3.0

Bear.JPG
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CC BY 2.5

Eisbaer-frisst-Kraut.jpg
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GPL

Скоморохи на Москве.jpg..
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Public Domain