Billy Meier (English Wikipedia)

figu.org: Kontaktberichte Archived 2022-05-22 at the Wayback Machine
"Portraits der Kontaktpersonen". FIGU Switzerland. Schmidrüti, Switzerland: FIGU. Archived from the original on January 15, 2021. Retrieved October 17, 2013.
"Strahlschiffe (UFOs)". FIGU Switzerland. Schmidrüti, Switzerland: FIGU. Archived from the original on January 19, 2021. Retrieved October 17, 2013.

iigwest.com

"Photo Comparison". Independent Investigations Group (IIG). Hollywood, California: Center for Inquiry-Los Angeles. Archived from the original on January 26, 2021. Retrieved October 17, 2013.

Zanotti, Bob (Interviewer) (June 1982). Billy Meier – UFO Contactee. Switzerland in Sound (Audio recording). Biglen, Switzerland: Bob Zanotti. Event occurs at 0:17:35. Archived from the original (MP3) on February 2, 2016. Retrieved October 12, 2013.

Hans Georg Lanzendorfer. "Clarification of a Defamatory Claim". TheyFly.com. Archived from the original on 27 October 2016. Retrieved 12 February 2018.

figu.org: Kontaktberichte Archived 2022-05-22 at the Wayback Machine
Hans Georg Lanzendorfer. "Clarification of a Defamatory Claim". TheyFly.com. Archived from the original on 27 October 2016. Retrieved 12 February 2018.
Zanotti, Bob (Interviewer) (June 1982). Billy Meier – UFO Contactee. Switzerland in Sound (Audio recording). Biglen, Switzerland: Bob Zanotti. Event occurs at 0:17:35. Archived from the original (MP3) on February 2, 2016. Retrieved October 12, 2013.
"Portraits der Kontaktpersonen". FIGU Switzerland. Schmidrüti, Switzerland: FIGU. Archived from the original on January 15, 2021. Retrieved October 17, 2013.
"Strahlschiffe (UFOs)". FIGU Switzerland. Schmidrüti, Switzerland: FIGU. Archived from the original on January 19, 2021. Retrieved October 17, 2013.
"Photo Comparison". Independent Investigations Group (IIG). Hollywood, California: Center for Inquiry-Los Angeles. Archived from the original on January 26, 2021. Retrieved October 17, 2013.
Sooke, Alastair. "The strange photographs used to 'prove' conspiracy theories". www.bbc.com. Archived from the original on 2022-09-21. Retrieved 2022-09-21.
Outer Space Pictures – Asket-Nera-Semjase – Summary Archived 2017-06-10 at the Wayback Machine billymeieruforesearch.com, retrieved March 20, 2017.

Nickell, Joe (March–April 1996). "Spaceships of the Pleiades: The Billy Meier Story". Skeptical Inquirer (Book review). 20 (2). Amherst, New York: Committee for the Scientific Investigation of Claims of the Paranormal: 48–49. ISSN 0194-6730.