Here is a list of the works of J. R. R. Tolkien:

  The Lord of the Rings
  The Hobbit (There and Back Again)
  The Book of Lost Tales (I and II)
  The Lays of Beleriand
  The Shaping of Middle Earth
  The Lost Road and Other Writings
  The Return of the Shadow
  The Treason of Isengard
  The War of the Ring
  Sauron's Defeat
  Unfinished Tales
  The Children of Hurin
* Farmer Giles of Ham
* Roverandom
  The Adventures of Tom Bombadil
* Tree and Leaf
* The Father Christmas Letters
* Smith of Wooton Major

* stories Tolkien wrote that have nothing to do with Middle Earth