there's tons of online resources, here's a few: just google the phrase...

  • National Security Archives
  • Archive.org
  • PBS
  • any presidential library-- including JFK's which you can easily visit
  • CQ Researcher
  • any government agency website, e.g., Veterans' Administration, CIA, US Senate
  • national archives
  • Foreign Relations of the U.S.
  • UMB's Joiner Center
  • Healey Library's Vietnam Archive Collection