U.S. Declassified Documents Online This link opens in a new window
Searchable database of previously classified federal records spanning the twentieth and twenty first centuries. The types of materials include intelligence studies, policy papers, diplomatic correspondence, cabinet meeting minutes, briefing materials, and domestic surveillance and military reports. Database allows users to to locate the full text of documents and filter their search results by document type, issue date, source institution, classification level, and date declassified as well as other document characteristics.