You should dig up his newsletters from the 80s and 90s. Full of conspiracy, antisemitic, and racialist crap. Of course, he later denied writing it, saying it was all a 'ghost writer', but that then adds to the question of why he was being dishonest to his followers for two decades that it was his writing.
Is there a link ? There are a bunch of forgeries out there and I want to make sure I am reading the correct ones.