The author provides a literary history of the concept of allegory going back to Homer, describing “allegorism” and “typology” as the two divisions of allegory, distinguishing allegory from symbolism and conceit, exploring modern attitudes toward allegory, and briefly examining the use of allegory and symbol in Tolkien, Lewis, and Williams.
"The Two-Headed Beast: Notes toward the Definition of Allegory,"
Mythcon Proceedings: Vol. 1:
2, Article 12.
Available at: https://dc.swosu.edu/mythpro/vol1/iss2/12