Im not really sure where I shouldve posted this.

I have a site that I use to store all of my study notes and its behind passwords and all of the security stuff. I somehow just want to get rid of that and let it be a normal site but what Im really concerned of is the copyright issue.

Theres a lot of content on it that I just got from other websites, books and tutorials and theyre all mixed up already and I cant remember where I got them. Yes, theyre pasted content or just styled differently. I have no intention of claiming to have composed all of the sites contents or make money out of it, I mean I will state this fact if I have to but is that enough? Can people sue me or shut my site down if they find their work there?

I want to remove the user authentication so that anyone can just go there without the hassle.

Thanks in advance.