- Dwight Hilliard Purdy. Biblical Echo and Allusion in the Poetry of W.B. Yeats: Poetics and the Art of God. Cranbury: Bucknell University Press, 1994.
- Michael Golston. Rhythm and Race in Modernist Poetry and Science. New York: Columbia University Press, 2008.
- David Holdeman. The Cambridge Introduction to W.B. Yeats. Cambridge : Cambridge University Press, 2006.
- Nicholas Allen. Ireland, Literature, and the Coast: Seatangled. Oxford: Oxford University Press, 2020.
- Nicholas Grene. Yeats's Poetic Codes. Oxford: Oxford University Press, 2008.