- Série1 - National Antarctic documents
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- 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
- ItemBB-US-77 - United States, Department of State press release concerning the territorial problem of Antarctica, and related commentary
- ItemBB-US-78 - US, Foreign Relations of the United States, 1948 to 1950, exchange of notes concerning Antarctic claims and internationalisation
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