Descriptions of documents contained in the microfiche collection of the Declassified Documents Reference System [now online by subscription], which originated primarily in the Central Intelligence Agency, the State Department and various components of the Department of Defense. Other agencies, including the National Security Council, the White House, and the FBI among others, also contributed documents which range in size and scope from telegrams, correspondence, unevaluated field reports to lengthy background studies and detailed minutes of cabinet meetings.