The Polar Times June 1978
Date: June 1, 1978
American Polar Society
The Polar Times June 1979
Date: June 1, 1979
The Polar Times June 1980
Date: June 1, 1980
The Polar Times June 1981
Date: June 1, 1981
The Polar Times June 1983
Date: June 1, 1983
The Polar Times June 1984
Date: June 1, 1984
The Polar Times June 1985
Date: June 1, 1985
The Polar Times March 1938
Date: March 1, 1938
The Polar Times March 1939
Date: March 1, 1939
The Polar Times March 1940
Date: March 1, 1940
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