Declassification in Reverse: The Pentagon and the U.S. Intelligence Community’s Secret Historical Document Reclassification Program is a page edited by Matthew M. Aid that discusses the extraordinary reclassification program by the U.S. intelligence community. Previously declassified (public) documents are being withdrawn from public view in addition to the exploding amount of information that is not being reviewed and declassified in the first place.
The National Security Archive is a non governmental non-profit institution that documents and advocates for freedom of information.