Jabarkan . dari Charles Williams

King, Roma A., Jr. (1990), The Pattern in the Web: The Mythical Poetry of Charles Williams. Kent, O., and London: Kent State University Press.

Lewis, C. S. (1948), "Williams and the Arthuriad," in Arthurian Torso, ed. C. S. Lewis, London: Oxford University Press, pp. 93–200.

Moorman, Charles (1960), Arthurian Triptych: Mythic Materials in Charles Williams, C. S. Lewis, and T. S. Eliot, Berkeley and Los Angeles: University of California Press.

Moorman, Charles (1966), The Precincts of Felicity: The Augustinian City of the Oxford Christians. Gainesville: University of Florida Press.