- Série1 - National Antarctic documents
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- ItemBB-US-68 - Information on Hubert Wilkins and the Ellsworth Expedition
- ItemBB-US-69 - Report on the establishment of the US Antarctic Service, and correspondence to Byrd from President Roosevelt
- ItemBB-US-70 - Press article "Byrd Land Claims Meet Restrictions" New York Times, and note concerning recognition by other states
- ItemBB-US-71 - US Secretary of State, Cordell Hull statements and memoirs
- ItemBB-US-72 - US policy and information statement on polar regions
- ItemBB-US-73 - United States, Antarctic region, current US policy
- ItemBB-US-74 - United States Naval Antarctic Development Project 1948, Peter Island Proclamation
- ItemBB-US-75 - United States correspondence concerning potential US claims in Antarctica
- ItemBB-US-76 - United States notes and other states' responses concerning future of Antarctic claims and internationalisation options, 1940 to 1948
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