***The works of Tacitus and Dio are in the public domain. If a book, song, movie, or artwork is in the public domain, then it is not protected by intellectual property laws (copyright, trademark, or patent laws)- which means it's free for you to use without permission. Finally, in the case of Tolkien, I used the world's best grammar checker and plagiarism detector, Grammarly, to check my text. No matches were found in over 8 Billion web pages. That...