Βιβλία του Τζ. Ρ. Ρ. Τόλκιν

• 1936 Songs for the Philologists
• 1937 The Hobbit (Χόμπιτ)
• 1945 Leaf by Niggle
• 1945 The Lay of Aotrou and Itroun
• 1949 Farmer Giles of Ham
• 1953 The Homecoming of Beorhtnoth Beorhthelm's Son published with the essay Ofermod
• The Lord of the Rings (Ο Άρχοντας των Δακτυλιδιών)
• 1954 The Fellowship of the Ring
• 1954 The Two Towers
• 1955 The Return of the King
• 1962 The Adventures of Tom Bombadil and Other Verses from the Red Book
• 1967 The Road Goes Ever On, with Donald Swann
• 1964 Tree and Leaf (On Fairy-Stories and Leaf by Niggle in book form)
• 1966 The Tolkien Reader (The Homecoming of Beorhtnoth Beorthelm's Son, On Fairy-Stories, Leaf by Niggle, Farmer Giles of Ham' and The Adventures of Tom Bombadil)
• 1967 Smith of Wootton Major

• 1922 A Middle English Vocabulary
• 1924 Sir Gawain and the Green Knight
• 1925 Some Contributions to Middle-English Lexicography
• 1925 The Devil's Coach-Horses
• 1929 Ancrene Wisse and Hali Meiðhad
• 1932 The Name 'Nodens' (in: Report on the Excavation of the Prehistoric, Roman, and Post-Roman Site in Lydney Park, Gloucestershire.)
• 1932/1935 Sigelwara Land parts I and II
• 1934 The Reeve's Tale (rediscovery of dialect humour, introducing the Hengwrt manuscript into textual criticism of Chaucer's The Canterbury Tales)
• 1936 Beowulf: The Monsters and the Critics (lecture on Beowulf criticism)
• 1939 On Fairy-Stories (Tolkien's philosophy on fantasy, given as the 1939 Andrew Lang lecture)
• 1944 Sir Orfeo (an edition of the medieval poem)
• 1947 On Fairy-Stories (essay, very central for understanding Tolkien's views on fastasy)
• 1953 Ofermod, published with the poem The Homecoming of Beorhtnoth, Beorhthelm's Son
• 1953 Middle English "Losenger"
• 1962 Ancrene Wisse: The English Text of the Ancrene Riwle
• 1963 English and Welsh
• 1966 The Jerusalem Bible (contributing translator and lexicographer)

• 1975 Translations of Sir Gawain and the Green Knight, Pearl and Sir Orfeo
• 1976 The Father Christmas Letters
• 1977 The Silmarillion (Το Σιλμαρίλλιον)
• 1979 Pictures by J.R.R. Tolkien
• 1980 Unfinished Tales (Ατέλειωτες Ιστορίες)
• 1980 Poems and Stories (a compilation of The Adventures of Tom Bombadil, The Homecoming of Beorhtnoth Beorhthelm's Son, On Fairy-Stories, Leaf by Niggle, Farmer Giles of Ham and Smith of Wootton Major)
• 1981 The Letters of J.R.R. Tolkien (Οι Επιστολές του Τ.Ρ.Ρ. Τόλκιν) - Christopher Tolkien and Humphrey Carpenter
• 1981 (1982) The Old English Exodus Text
• 1982 Finn and Hengest: The Fragment and the Episode
• 1982 Mr. Bliss
• 1983 The Monsters and the Critics (an essay collection)
• Beowulf: the Monsters and the Critics (1936)
• On Translating Beowulf (1940)
• On Fairy-Stories (1947)
• A Secret Vice (1930)
• Sir Gawain and the Green Knight
• English and Welsh (1955)
• 1983–1996 The History of Middle-earth (Ιστορίες της Μέσης-Γης):

1. The Book of Lost Tales Part 1 (1983)
2. The Book of Lost Tales Part 2 (1984)
3. The Lays of Beleriand (1985)
4. The Shaping of Middle-earth (1986)
5. The Lost Road and Other Writings (1987)
6. The Return of the Shadow (The History of The Lord of the Rings vol. 1) (1988)
7. The Treason of Isengard (The History of The Lord of the Rings vol. 2) (1989)
8. The War of the Ring (The History of The Lord of the Rings vol. 3) (1990)
9. Sauron Defeated (The History of The Lord of the Rings vol. 4, including The Notion Club Papers) (1992)
10. Morgoth's Ring (The Later Silmarillion vol. 1) (1993)
11. The War of the Jewels (The Later Silmarillion vol. 2) (1994)
12. The Peoples of Middle-earth (1996)

• 1995 J.R.R. Tolkien: Artist and Illustrator (a compilation of Tolkien's art)
• 1998 Roverandom
• 2002 Beowulf and the Critics ed. Michael D.C. Drout ("Beowulf: the monsters and the critics" together with editions of two drafts of the longer essay from which it was condensed.
• 2007 The Children of Húrin (Τα Παιδιά του Χούριν) - Christopher Tolkien
• 2009 The Legend of Sigurd and Gudrún - Christopher Tolkien

Έργα του μεταφρασμένα στην Ελληνική γλώσσα

• 2000: Ροβεράντομ
• 2000: Το φύλλο και το δέντρο - Ιστορίες για νεράιδες... και άλλα
• 2000: Γράμματα από τον Αι-Βασίλη
• 2001: Χόμπιτ
  
• 2002: Ο σιδεράς του Μεγάλου Δασοχωρίου
• 2002: Ποιήματα του Τζ. Ρ. Ρ. Τόλκιν
• 2002: Ο Γεωργός ο Γίλης απ' το Χαμ
  
• 2002: Ο άρχοντας των δακτυλιδιών - Η συντροφιά του δαχτυλιδιού
  
• 2002: Ο άρχοντας των δακτυλιδιών - Οι δύο πύργοι
• 2002: Ο άρχοντας των δακτυλιδιών - Η επιστροφή του βασιλιά
• 2002: Ο αγρότης ο Τζάιλς απ' το χωριό
• 2002: Ο Χόμπιτ - Ή μέχρι εκεί και πάλι πίσω
• 2006: Οι επιστολές του Τζ. Ρ. Ρ. Τόλκιν
  
• 2007: Τα παιδιά του Χούριν
• 2007: Ατέλειωτες ιστορίες
• 2007: Το Σιλμαρίλλιον
• 2010: Ο θρύλος του Ζίγκουρντ και της Γκούντρουν