>>507916195
I remembered the book: https://archive.org/details/unternehmen-aldebaran-en-fixed?
Theres even drawings of supposed Antarctic base

Ive never read it because its german but i believe some chatgpt place could translate the whole thing

Also:

Heres youtube channels about this topic:

>Earthfiles
Hosted by long time ufo and alien specialist Linda Mouktpn Howe
>Dark Journalist
Has many interesting interviews with people whove worked in the government.
Heres a link to a Nixon assistans interview:

https://youtu.be/xpItY5t4EuY
Nixon told him the Us government has an alien guest from another planet in Nevada/new mexico (somewhere there).

>Steven Greer interviews playlist in youtube
A lot of former military and other people talking about what they saw or worked with. The playlist has disappeared (i checked) but the videos are still here. Heres one:

https://m.youtube.com/watch?v=9OiZRr9V7Z4
Theres more if you check the channel and list all videos and start from oldest. This William dude worked in underground bases and saw scratch marks of Ufos in the base hangars that visited. According to people in the base, some were man made some were alien ufos visiting.
>Richard Dolan
Very proof based studying with a lot of interviews
>Coast to Coast am youtube channel and UAMN tv channel
A bit more wilder stuff but many of their videos have real former military and other eyewitnesses giving interviews
>Eyes on cinema
Hundreds of interviews of Ufo witnesses
>cosmic road channel
Daily ufo updates

Stuff in reddit: "Ufos", "Aliens", subreddits.

Interesting books:
Jenny Randles - Truth behind men in black
https://archive.org/details/jenny-randles-the-truth-behind-men-in-black_202012
Morris K Jessup - Case for Ufo (annotated version)
This book has in blue and green and purple text stuff thats possibly written in the 1950s by real aliens who were studying the book (as hard as it is to believe)
https://archive.org/details/THECASEFORTHEUFOVaroEditionM.K.Jessup/page/n7/mode/1up