Proposes an intriguing solution to the question of Tolkien and Lewis’s estrangement in 1949: that it was Tolkien’s objections to anti-Catholic sentiments expressed in Lewis’s Letters to Malcolm and some beliefs deeply incompatible with Tolkien’s Catholicism expressed in the depiction of Aslan in the Chronicles of Narnia that initially estranged them.
"Letters to Malcolm and the Trouble with Narnia: C.S. Lewis, J.R.R. Tolkien, and Their 1949 Crisis,"
Mythlore: A Journal of J.R.R. Tolkien, C.S. Lewis, Charles Williams, and Mythopoeic Literature: Vol. 26
, Article 5.
Available at: http://dc.swosu.edu/mythlore/vol26/iss1/5