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550
2
550 Earth sciences and geology
2
Sea ice
2
ddc:550
2
18th Century
1
570
1
570 Life sciences
1
900
1
900 History
1
Atlantic History
1
Bering Sea
1
Biomarker
1
Early Modern History
1
European History
1
German History
1
Global History
1
History of Slavery
1
Holocene
1
IP25
1
Last Glacial maximum
1
North Pacific
1
Northeast Greenland
1
Northeast Water Polynya
1
Slave Trade
1
Southern Ocean
1
alkenone
1
biogeochemistry
1
biology
1
biomarkers
1
climate change
1
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