If you are researching specific topics like Freemasonry or Jesuits, Satanic Rituals, Symbolism, ... whatever..
Or if you are just looking for an interesting read. Take a look at this online library some Anon put together. Great resource!
https://drive.google.com/drive/folders/1haFYnYaQ8PKLKwmR0Y4_kmhJVjnhf3bB
TY - valuable resource of info! 👍