- https://www.disclose.tv/news/phil_schneider_revealed_a_huge_secret_about_the_greys_before_he_was_murdered/133957
- Archivio Malanga 2.0 italiano
- http://www.anomalies-unlimited.com/Alien%20Writing/Badge.html
- UK
- Nick Pope pages
- US
- NASA: file:///C:/Users/ofale/Downloads/19960017577.pdf
- Hamilton's cigar-shaped UFO, http://www.temporaldoorway.com/ufo/catalog/hoaxanderror/hamilton.htm
- Stephenville Lights, https://www.dallasnews.com/sharedcontent/dws/news/texassouthwest/stories/DN-ufo_17tex.ART.State.Edition1.38097fb.html
- About.com, https://www.liveabout.com/wright-patterson-afb-and-alien-technology-3293937
- UFOs in 1953, http://thecid.com/search.php?uid=thecid604267df90c3e2.44533393&src
- Brazil: Varginha encounters
2002 June
- Campbell, Glenn. Area 51: Military Facility, Social Phenomenon and State of Mind (1994), Bob Lazar - True or False? (1999)