From

In the aftermath of the Watergate burglary arrests, Richard Nixon became convinced that he should guard his White House papers more carefully than ever. As a result, he created a “Special File” to hide from view any memoranda which might be sensitive—either politically or personally. After fourteen years of exhausting every legal means available to keep these documents concealed,, he finally agreed to the release of more than three million Special File pages through the National Archives. From: The President is the first collection of these hidden pages—and a revealing look at the workings of the Oval Office during the Nixon years.