More recent longer video: https://www.youtube.com/watch?v=QXifjbxZDAM

I have to say—if he only wants 100% legal versions—the 2006 bonus DVDs (GOUT) are pretty much what was in cinemas in the early 80s. And even the 35mm and 70mm prints in 1977 differed at least in the sound mix. And the fanedit/despeacialized editions are hard to not find on the internet. I would not call that “Deep Web” :-/