The History of Sadomasochism

I find it highly amazing that a lifestyle which we are trying to convince society is safe, sane and consensual, has so little on what the history of it actually is. I went thru many websites, and did a lot of research thru books and I think that this is the most complete that I have seen out there. It also includes a lot of great info on the lifestyle in laymen enough terms that anyone even a vanilla could understand, and some of the most informative websites for links for further reading.
The History of Sadomasochism