Editors. "Frst installment of the Pentagon Papers published by The New York Times". The Literary Encyclopedia. First published 01 March 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=11074, accessed 21 May 2013.]
The Pwentagon papers were a classified history of U.S. involvement in the Vietnam War. The U.S. Justice Department sued to suppress publication of the documents.