Mythopoeia by J.R.R. Tolkien
Jonah translated by J.R.R. Tolkien for The Jerusalem Bible
Man and Myth, a brief Joseph Pearce interview
Tolkien's Take on the Truth, a Joseph Pearce interview
Sacramental Imagination by Thomas Howard
Why Tolkien Says The Lord of the Rings Is Catholic by Joseph Pearce
J.R.R. Tolkien's Trilogy Is a Catholic Story by Terry Mattingly
The Universe According to Tolkien by Sandra Miesel
Tolkien's Cosomogony by Ralph C. Wood
Tolkien's Lord of the Rings: A Christian Classic Revisited by Ralph C. Wood
Tolkien and the Fairy Story by J. Reilly - excellent
Proto-evangelion: the "Old Hope" of the Men of Arda by John Augustine
The Lord & Lady of the Rings: the Hidden Presence of Tolkien’s Catholicism in The Lord of the Rings by Stratford Caldecott (offsite)
Excerpts from Letter to Artists by Pope John Paul II, 4 April 1999