- ??1 - National Antarctic documents
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- ??BB-US-44 - United States, National Security Division memorandum 71 concerning Antarctic policy
- ??BB-US-45 - Executive circular on the planning and conduct of the United States program in Antarctica
- ??BB-US-46 - United States, Department of State letter concerning an exclusive permit to explore and develop the Weddell and Ross Seas
- ??BB-US-47 - United States memorandum on the legal status of areas south of 60° south latitude
- ??BB-US-48 - Statement of United States policy objectives in Antarctica
- ??BB-US-49 - United States statement on claims to sovereignty and the exploitation of Antarctic mineral resources
- ??BB-US-5 - United States, Letter from the Secretary of State Charles Hughes to A W Prescott concerning the claims of other countries to Antarctica and the American attitude to them
- ??BB-US-50 - United States letter to Australia concerning the proposed offshore seismic survey by the Aquatic Exploration Company of Dallas around Antarctica ( extract)
- ??BB-US-51 - United States, Bill HR 6148 for an Act to amend title 18 of the Code to discourage criminal conduct in Antarctica by US nationals and to clarify the application of criminal law
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