3. J.R.R.Tolkien The Two Towers, Harper Collins 1993

4. J.R.R.Tolkien The Return of the King, Harper Collins 1993

5. A Tolkien Compass by Jared Lobdell, Open Court La Salle, Illinois 1975

6. Tolkien and the Critics, Essays On The Lord of the Rings, Notre-Dame London 1968

7. Tolkien: New Critical Perspectives Edited by Neil D.Issacs and Rose A. Zimbardo, The United Press Kentucky 1981

8. Understanding Tolkien and The Lord of the Rings by William Ready, Paperback Library New-York 1969

9. Master of Middle-earth. The Fiction of J.R.R.Tolkien by Paul H. Kocher, Houghton Mifflin Company Boston 1972

10. The Tolkien Reader: Stories, Poems and an Essay by the author of The Hobbit and The Lord of the Rings, Ballantine Books Neny-York 1966

11. Tolkien’s World by Randell Helms, Houghton Mifflin Company Boston 1977

12. J.R.R.Tolkien: Essays in Memoriam, Scholar and Storyteller, Ithaca London: Cornell University Press 1979

13. The Mythology of Middle-earth by Ruth S.Noel, Houghton Mifflin Company Boston 1977

14. “I would rather have written in Elvish : Language, Fiction and The Lord of the Rings” by Elizabeth Kirk in Towards Poetics of Fiction Bloomington 1977

15. Reference Guide to English Literature, Second Edition St.James Press Chicago and London 1991