U.S. Declassified Documents Online

U.S. Declassified Documents Online provides immediate access to a broad range of previously classified federal records spanning the twentieth and twenty-first centuries. The collection brings together the most sensitive documents from all the presidential libraries and numerous executive agencies in a single, easily searchable database. The collection is the most comprehensive compilation of declassified documents from the executive branch. The types of materials include intelligence studies, policy papers, diplomatic correspondence, cabinet meeting minutes, briefing materials, and domestic surveillance and military reports.