UFO-Alien Database

Clifford Stone had a UFO experience in Pennsylvania in 1969.[1] He was quoted saying "You have individuals that look very much like you and myself, that could walk among us and you wouldn't even notice the difference".[2] Stone published a catalogue of 57 alleged alien races to the Public Domain.[3]


  1. Bibliotecapleyades.net, About Clifford Stone
  2. Burlington UFO Center, Burlington News
  3. Clifford Stone's Alien Races