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International Geophysical Year (IGY) (1957-1958)
3
Antarctica -- Discovery and exploration -- Interviews
2
Arctic exploration -- Interviews
2
Arctic regions -- Discovery and exploration -- Interviews
2
1926- -- Interviews
1
Aeronautics -- Antarctica -- Interviews
1
Howard O. -- Interviews
1
Norbert
1
Operation Deep Freeze (1955-1956) -- Interviews
1
Operation Deepfreeze (1955-1956)
1
Paul Robert -- Interviews
1
Sea ice -- Arctic Ocean
1
Streich
1
Untersteiner
1
Weather forecasting -- Antarctica -- History -- Interviews
1
Weather forecasting -- Arctic regions -- History -- Interviews
1
Wessbecher
1
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