The Polar Times December 1974
Date: December 1, 1974
American Polar Society
The Polar Times December 1975
Date: December 1, 1975
The Polar Times December 1976
Date: December 1, 1976
The Polar Times December 1978
Date: December 1, 1978
The Polar Times December 1979
Date: December 1, 1979
The Polar Times December 1980
Date: December 1, 1980
The Polar Times December 1981
Date: December 1, 1981
The Polar Times December 1982
Date: December 1, 1982
The Polar Times December 1983
Date: December 1, 1983
The Polar Times December 1984
Date: December 1, 1984
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