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1st International Polar Year (1882–1883)
1
2nd International Polar Year (1932–1933)
1
Aeroarctic
1
Alfred Wegener
1
Antarctica
1
German Geophysical Observatory
1
Graf Zeppelin
1
Greenland
1
Hans Kurt Erich Krueger
1
Herbert Schröder-Stranz
1
Historia
1
History
1
Humaniora
Humanities
1
Spitzbergen
Svalbard
1
Wilhelm Filchner
1
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