This paper, delivered at the Tolkien Seminar (Kalamazoo, MI) on May 9, 2018, traces the potential influence of popular late 19th-century Biblical commentaries on the Book of Genesis on Tolkien's post Lord Of the Rings cosmologies, in particular the problem of the creation of the Sun and Moon.
"“The Cloud of Unseeing”: Myths Transformed and Pseudo-scientific Interpretations of the Book of Genesis,"
Journal of Tolkien Research: Vol. 6
, Article 4.
Available at: https://scholar.valpo.edu/journaloftolkienresearch/vol6/iss2/4