From the New York Times:
Why do bureaucrats insist on spending the taxpayers’ money to keep aging government paperwork from the taxpayers?
The question has arisen anew because of the discovery that military and intelligence agencies have pulled some 55,000 pages of decades-old documents from public access at the National Archives. Some documents were photocopied long ago by researchers. In the case of the redacted 1946 memorandum, the State Department had already published it in the multivolume history “Foreign Relations of the United States.”
Here.