Polar bear
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- Polar bear + Conservation -- Juvenile literature
- Polar bear + Behavior -- Juvenile literature
- Polar bear + Infancy -- Juvenile fiction
- Polar bear + Effect of human beings on
- Polar bear + Habitat -- Juvenile fiction
- Polar bear + Collection and preservation -- Great Britain -- Pictorial works
- Polar bear + Climatic factors -- Hudson Bay
- Polar bear + Conservation
- Polar bear + Effect of global warming on -- Alaska
- Polar bear + Behavior
- Polar bear + Effect of global warming on -- Juvenile literature
- Polar bear + Effect of global warming on -- Hudson Bay
- Polar bear + Habitat -- Juvenile literature