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DNSA
TheDigital National Security Archive (DNSA) is an invaluable online collection of more than 100,000 declassified records documenting historic U.S. policy decisions.
Read the documents that shaped U.S. responses to the Cold War, the terrorist attacks of 9/11, nuclear weapons proliferation, and beyond.
Talk to your university or local librarian about getting a subscription!
From the Vault

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Browse and search through thousands of declassified primary-source materials.
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Researcher Guide
Check our new guide to the Archive's published documents and other important online resources