U.S. Declassified Documents Online This link opens in a new window
Provides access to previously classified federal records in the 20th and 21st centuries. Includes sensitive documents from all the presidential libraries and numerous executive agencies in a single, easily searchable database, including: intelligence studies, policy papers, diplomatic correspondence, cabinet meeting minutes, briefing materials, and domestic surveillance and military reports. Full-text searchable, includes filters by document type, issue date, source institution, classification level, and date declassified as well as other document characteristics.