http://venusconcisehistory.com/content/about-raymond-keller
The Venus Conspiracy Documents - Part 1
The Venus Conspiracy Documents - Part 2
The Venus Conspiracy Documents - Part 3
http://www.rense.com/general96/alien-messages-file.html
Are Dr. Ray Keller's theories any more wild than some of the theories from RCH?
http://www.enterprisemission.com/VenusExpress.htm
It actually can be interesting, if not enlightening to ponder various theories from different researchers.
http://midnightinthedesert.com/919-hoagland-images
https://www.bibliotecapleyades.net/esp_autor_hoagland.htm
Of course, keeping up on the official accounts of things constantly lets you see where the limit is.
https://www.popularmechanics.com/space/solar-system/news/a28229/scientists-reveal-mysteries-on-the-night-side-of-venus/
https://www.space.com/35349-giant-wave-spotted-venus-atmosphere.html
http://www.businessinsider.com/scientists-might-have-finally-solved-the-mystery-of-venus-disappearing-water-2016-6
https://www.livescience.com/14676-greatest-mysteries-venus-cosmos-universe.html
http://www.esa.int/Our_Activities/Space_Science/Venus_Express/No_shortage_of_mysteries_on_Venus
https://mvextra.blogspot.ca/search?q=RCH