You’ve got to see this 1968 BBC interview of author J.R.R. Tolkien talking about his invented languages and writing in Elvish!
How has J.R.R. Tolkien changed your life? - Quora
George Beahm - The Essential J. R. R. Tolkien Sourcebook - A Fan's Guide, PDF, The Hobbit
J.R.R. Tolkien - File 770
J.R.R. Tolkien - File 770
How has J.R.R. Tolkien changed your life? - Quora
Tolkien - First Edition - AbeBooks
J.R.R. Tolkien - File 770
What is the most surprising thing about Tolkien's personal life that you have discovered during your research? - Quora
Is the Lord of the Rings divinely inspired? - Quora
Did J.R.R. Tolkien's lifestyle change significantly after the success of The Lord of the Rings? - Quora