Best (free) books/resources by Donner, Abelar, & Tigg?

/t/booklist/5256

In the future, please ask these simple questions in the public chat instead of making a post.

I sent you the links, in a chat message. But they are also in the sidebar, or in the about section of this subreddit on the mobile (click the “see more” link in the subreddit description at the top to access the about section.