http://www.tolkiensociety.org/tolkien/biography.html
_ Middle-Earth's Secrets: Tolkien's Lord of the Rings
https://youtu.be/6SXDWEEZguI
_ The Lord Of The Rings Beyond The Movie
https://youtu.be/uB10j8H92Ig
_ Ralph Wood - On Tolkien―The Lord of the Rings
https://youtu.be/0QAnfJloJec